Third Rock Ventures

Third Rock Ventures, established in 2007, is a Boston-based venture capital firm focused on investing in early-stage life science and healthcare companies. It specializes in biotechnology, medical technology, and information technology sectors, with a particular interest in transformational companies positioned to make a significant market impact. The firm prefers to lead investment rounds and actively engages with portfolio companies, often serving in key management roles. Third Rock Ventures typically invests up to $35 million initially, with a target of 10 to 12 investments per fund.

Brian Albrecht

Principal

Hugo Arellano-Santoyo

Senior Associate

Alison Connors

CFO

Andrea van Elsas

Partner

Neil Exter

Partner

Reid Huber

Partner

Anastasiia Kamenska

Senior Associate

Maria Kousi Ph.D

Senior Associate

Mark Levin

Co-Founder and Partner

Lauren Maslin

Associate

Steven Paul

Venture Partner

Cary Pfeffer

Partner

Richard Ransohoff

Venture Partner

Jigar Raythatha

Partner

Philip Reilly

Venture Partner

Noreen Rizvi

Principal

Adrienne Rothschilds

Senior Associate

Kevin Starr

Co-Founder and Partner

Robert Tepper

Co-Founder and Partner

Jeff Tong

Partner

Jeffrey Tong

Partner

Linda Vo

Senior Associate

Courtney Wallace

Venture Partner

Andrew Warren

Associate

Maomao Zhang

Senior Associate

Dodzie Sogah Ph.D

Venture Partner

141 past transactions

Merida Biosciences

Series A in 2025
Merida Biosciences is a biotechnology company specializing in the development of precision therapies for autoimmune diseases. It employs a protein engineering platform to create novel Fc therapeutics, which selectively target and neutralize specific antibodies, aiming to treat the root cause of antibody-driven diseases with high precision and durability.

Trace Neuroscience

Series A in 2024
Trace Neuroscience is a biopharmaceutical company dedicated to advancing genetic medicine for patients with neurodegenerative diseases. It specializes in developing targeted antisense oligonucleotide therapies, with its lead product aimed at restoring UNC13A protein function in individuals with Amyotrophic Lateral Sclerosis (ALS) caused by TDP-43 mislocalization. This therapy corrects UNC13A mRNA splicing, potentially improving muscle function and extending survival for these patients.

Seaport Therapeutics

Series B in 2024
Seaport Therapeutics is a clinical-stage biopharmaceutical company focused on developing innovative neuropsychiatric medicines for conditions with significant unmet needs. The company's approach emphasizes the creation of therapies that offer oral bioavailability, which allows for effective drug delivery while minimizing first-pass metabolism and reducing the risk of hepatotoxicity and other side effects. By addressing these critical challenges, Seaport Therapeutics aims to improve the quality of life for patients living with neuropsychiatric disorders.

Candid Therapeutics

Series A in 2024
Candid Therapeutics is a biotechnology company specializing in the development of innovative therapies for immunological disorders. The company's primary focus is on creating novel, user-friendly treatments for autoimmune diseases. Their core technology involves advanced T-cell engager antibodies, which precisely redirect T-cells to selectively eliminate autoreactive B-cells, aiming to deliver transformative efficacy and improved therapeutic outcomes for patients.

Cargo Therapeutics

Post in 2024
Cargo Therapeutics is a clinical-stage biotechnology company focused on developing innovative CAR T-cell therapies to improve outcomes for cancer patients. The company aims to address the challenges faced by existing autologous CAR therapies, which are only curative for less than half of cancer patients and hindered by issues such as manufacturing limitations, supply challenges, and reimbursement barriers. Cargo Therapeutics is advancing next-generation cell therapies designed to enhance effectiveness, safety, and supply reliability. One of its key products, CRG-022, is a novel CAR T-cell candidate targeting CD22, an antigen present in a majority of B-cell malignancies, specifically designed to overcome treatment resistance. By pursuing these novel solutions, Cargo Therapeutics seeks to facilitate broader access to curative therapies and significantly improve the treatment experience for cancer patients.

Asher Bio

Series C in 2024
Asher Biotherapeutics, Inc. is a biotechnology company based in South San Francisco, California, founded in 2019. The company specializes in the development of immunotherapy drugs aimed at effectively treating cancer. Its innovative therapies are designed to enhance the immune system's ability to target and eliminate cancer cells while minimizing side effects. This focus allows healthcare providers to deliver effective treatments to patients in a shorter timeframe, aiming to improve overall outcomes in cancer care.

Seaport Therapeutics

Series A in 2024
Seaport Therapeutics is a clinical-stage biopharmaceutical company focused on developing innovative neuropsychiatric medicines for conditions with significant unmet needs. The company's approach emphasizes the creation of therapies that offer oral bioavailability, which allows for effective drug delivery while minimizing first-pass metabolism and reducing the risk of hepatotoxicity and other side effects. By addressing these critical challenges, Seaport Therapeutics aims to improve the quality of life for patients living with neuropsychiatric disorders.

Clasp Therapeutics

Series A in 2024
Clasp Therapeutics is a biotechnology company focused on developing innovative cancer immunotherapeutics. The company has created a platform that aims to enhance the ability of the immune system to recognize and eliminate challenging tumors associated with common driver mutations, irrespective of tumor type. By leveraging precision medicine, Clasp Therapeutics seeks to identify cancer-specific markers that allow for the targeted destruction of tumor cells, thereby improving treatment outcomes for patients with difficult-to-treat cancers.

Synnovation Therapeutics

Series A in 2023
Synnovation Therapeutics is a precision oncology company that specializes in the development of small molecule therapies aimed at addressing key driver mechanisms in cancer. The company is committed to discovering and advancing therapeutics that enhance the quality of life for cancer patients. By leveraging its expertise in medicinal chemistry, cancer biology, and patient-focused precision medicine, Synnovation Therapeutics cultivates a diverse pipeline of innovative targeted therapies. Its objective is to efficiently progress these agents into clinical trials, ultimately transforming the standard of care in cancer treatment and improving patient outcomes.

ARTBIO

Series A in 2023
ARTBIO is a clinical-stage biotechnology company focused on developing innovative radiopharmaceuticals for cancer treatment. The company specializes in radioligand therapy, which utilizes alpha and beta emitters to target and disrupt the DNA of cancer cells. By creating a new class of alpha radioligand therapeutics, ARTBIO aims to enhance the effectiveness of cancer care and provide medical practitioners with novel therapeutic options. In addition to its drug development efforts, ARTBIO is dedicated to building a supportive ecosystem that maximizes the potential of its therapies, ultimately advancing the field of oncology.

Terremoto Biosciences

Series B in 2023
Terremoto Biosciences is a biotechnology company focused on the development and discovery of small-molecule medicines through innovative drug delivery systems. By utilizing lysine-based covalency, the company aims to optimize clinical profiles and enhance therapeutic benefits for various diseases. Terremoto's platform is designed to improve existing medications while also facilitating the creation of new therapies aimed at addressing critical healthcare challenges. Through its research and technology, Terremoto Biosciences strives to provide effective solutions for the treatment of devastating diseases, contributing to advancements in the healthcare sector.

Rapport Therapeutics

Series B in 2023
Rapport Therapeutics is a clinical-stage biotechnology company dedicated to discovering and developing precision medicines for neurological disorders. The company focuses on creating transformational small-molecule therapies aimed at patients with central nervous system conditions. Leveraging foundational research in neuronal receptor biology, Rapport Therapeutics maps and targets specific neuronal receptor complexes, which are complex assemblies of proteins that include principal receptor subunits and receptor-associated proteins. These receptor-associated proteins are essential for regulating receptor expression and functionality, allowing the company to innovate in the treatment of neurological diseases.

Septerna

Series B in 2023
Septerna is a biotechnology company focused on the discovery and development of novel small-molecule medicines that target G protein-coupled receptors (GPCRs). The company aims to improve patient outcomes by leveraging advanced drug discovery technologies, including innovative screening methods and structure-based drug design. Septerna utilizes its proprietary Native Complex platform to facilitate industrial-scale drug discovery, enabling researchers to identify effective treatments for a diverse array of diseases. Through its commitment to combining cutting-edge technology with a focus on GPCR targets, Septerna seeks to advance the field of medicine and enhance the quality of life for patients.

Flare Therapeutics

Series B in 2023
Flare Therapeutics is a biotechnology company dedicated to developing small molecule medicines through a novel approach to understanding transcription factors. By identifying 'switch sites,' which are druggable regions crucial for regulating transcription factors, Flare aims to target mutations that lead to various diseases. The company has rapidly advanced its drug discovery efforts, creating an emerging pipeline of programs initially focused on precision oncology. Additionally, Flare's innovative platform holds promise for addressing conditions in neurology, rare genetic disorders, immunology, and inflammation, ultimately enabling medical professionals to transform treatment strategies for patients.

Rapport Therapeutics

Series A in 2023
Rapport Therapeutics is a clinical-stage biotechnology company dedicated to discovering and developing precision medicines for neurological disorders. The company focuses on creating transformational small-molecule therapies aimed at patients with central nervous system conditions. Leveraging foundational research in neuronal receptor biology, Rapport Therapeutics maps and targets specific neuronal receptor complexes, which are complex assemblies of proteins that include principal receptor subunits and receptor-associated proteins. These receptor-associated proteins are essential for regulating receptor expression and functionality, allowing the company to innovate in the treatment of neurological diseases.

Cargo Therapeutics

Series A in 2023
Cargo Therapeutics is a clinical-stage biotechnology company focused on developing innovative CAR T-cell therapies to improve outcomes for cancer patients. The company aims to address the challenges faced by existing autologous CAR therapies, which are only curative for less than half of cancer patients and hindered by issues such as manufacturing limitations, supply challenges, and reimbursement barriers. Cargo Therapeutics is advancing next-generation cell therapies designed to enhance effectiveness, safety, and supply reliability. One of its key products, CRG-022, is a novel CAR T-cell candidate targeting CD22, an antigen present in a majority of B-cell malignancies, specifically designed to overcome treatment resistance. By pursuing these novel solutions, Cargo Therapeutics seeks to facilitate broader access to curative therapies and significantly improve the treatment experience for cancer patients.

Casma Therapeutics

Series C in 2022
Casma Therapeutics, Inc. is a biotechnology company based in Cambridge, Massachusetts, that specializes in developing innovative therapeutic strategies centered on the natural cellular process of autophagy. Founded in 2017, the company aims to enhance autophagy to improve the clearance of unwanted proteins, organelles, and pathogens, thereby addressing significant medical challenges. Casma Therapeutics is advancing preclinical programs targeting various conditions, including muscle disorders, liver disease, inflammatory disorders, and neurodegenerative diseases. By harnessing and manipulating the autophagy system, the company seeks to arrest or reverse disease progression, ultimately enabling physicians to meet unmet medical needs and provide effective treatments for patients with serious health issues.

Terremoto Biosciences

Series A in 2022
Terremoto Biosciences is a biotechnology company focused on the development and discovery of small-molecule medicines through innovative drug delivery systems. By utilizing lysine-based covalency, the company aims to optimize clinical profiles and enhance therapeutic benefits for various diseases. Terremoto's platform is designed to improve existing medications while also facilitating the creation of new therapies aimed at addressing critical healthcare challenges. Through its research and technology, Terremoto Biosciences strives to provide effective solutions for the treatment of devastating diseases, contributing to advancements in the healthcare sector.

MoMa Therapeutics

Series B in 2022
MoMa Therapeutics, Inc. is a biotechnology company based in Cambridge, Massachusetts, founded in 2019. The company specializes in discovering precision medicines by targeting the molecular machines that are fundamental to human disease. Formerly known as ATPases NewCo, Inc., MoMa Therapeutics utilizes a unique platform that leverages the shared characteristics of ATPase enzymes, including their large-scale conformational changes and energy-driven mechanics. By integrating advances in structural biology and small-molecule drug discovery, MoMa Therapeutics aims to develop therapies targeting this previously challenging class of enzymes, thereby advancing the field of precision medicine.

Celsius Therapeutics

Series B in 2022
Celsius Therapeutics, Inc. is a biotechnology company focused on developing precision medicines for patients suffering from cancer and autoimmune diseases. Founded in 2018 and based in Cambridge, Massachusetts, the company employs a multidisciplinary approach, integrating the expertise of scientists, computational biologists, and clinicians. Celsius Therapeutics utilizes advanced techniques such as single-cell genomic analysis and machine learning to identify and develop innovative therapeutic solutions. By leveraging these cutting-edge technologies, the company aims to create life-changing medicines that address unmet medical needs.

Septerna

Series A in 2022
Septerna is a biotechnology company focused on the discovery and development of novel small-molecule medicines that target G protein-coupled receptors (GPCRs). The company aims to improve patient outcomes by leveraging advanced drug discovery technologies, including innovative screening methods and structure-based drug design. Septerna utilizes its proprietary Native Complex platform to facilitate industrial-scale drug discovery, enabling researchers to identify effective treatments for a diverse array of diseases. Through its commitment to combining cutting-edge technology with a focus on GPCR targets, Septerna seeks to advance the field of medicine and enhance the quality of life for patients.

Merida Biosciences

Seed Round in 2022
Merida Biosciences is a biotechnology company specializing in the development of precision therapies for autoimmune diseases. It employs a protein engineering platform to create novel Fc therapeutics, which selectively target and neutralize specific antibodies, aiming to treat the root cause of antibody-driven diseases with high precision and durability.

Ambys Medicines

Series A in 2021
Ambys Medicines, Inc. is a biotechnology company based in Redwood City, California, focused on discovering and developing innovative therapies for severe liver diseases. Founded in 2016, Ambys aims to transform the lives of individuals suffering from liver conditions by creating advanced gene, drug, and cell therapies. The company is dedicated to restoring liver function, halting the progression of liver disease, and addressing the serious complications associated with liver failure. Through its regenerative medical therapies, Ambys seeks to provide relief to patients with chronic liver diseases, ultimately improving their quality of life.

Cedilla Therapeutics

Series B in 2021
Cedilla Therapeutics, Inc. is a biotechnology company focused on developing targeted small-molecule therapeutics for cancer and diseases linked to protein dysregulation. The company employs innovative strategies to destabilize oncoprotein targets, utilizing methods such as direct ligand-induced degradation, disruption of stabilizing protein-protein interactions, and the identification of upstream regulators that affect protein stability. Cedilla's comprehensive approach also includes large-scale proteomic analyses to map protein susceptibility, enhancing the potential for effective therapies. By concentrating on the transitions between stable and susceptible protein states, Cedilla aims to create novel treatments that broaden the applicability of small molecule therapeutics beyond oncology. Founded in 2017 and headquartered in Cambridge, Massachusetts, the company was formerly known as Protein Stability Newco, Inc. before rebranding in 2018.

Asher Bio

Series B in 2021
Asher Biotherapeutics, Inc. is a biotechnology company based in South San Francisco, California, founded in 2019. The company specializes in the development of immunotherapy drugs aimed at effectively treating cancer. Its innovative therapies are designed to enhance the immune system's ability to target and eliminate cancer cells while minimizing side effects. This focus allows healthcare providers to deliver effective treatments to patients in a shorter timeframe, aiming to improve overall outcomes in cancer care.

Abata Therapeutics

Series A in 2021
Abata Therapeutics is a biotechnology company dedicated to developing innovative cell therapies for patients suffering from progressive multiple sclerosis and other severe autoimmune and inflammatory diseases. The company specializes in the manipulation of regulatory T cells (Tregs) to address these conditions, aiming to restore balance within the immune system. By engineering Tregs to precisely target disease-related antigens, Abata Therapeutics creates therapies that can effectively treat diseases such as multiple sclerosis and type 1 diabetes without imposing systemic immune suppression. Founded by experts in immunology and cell therapy, Abata is committed to translating advanced scientific research into meaningful therapies that improve the lives of individuals facing chronic autoimmune challenges.

Flare Therapeutics

Series A in 2021
Flare Therapeutics is a biotechnology company dedicated to developing small molecule medicines through a novel approach to understanding transcription factors. By identifying 'switch sites,' which are druggable regions crucial for regulating transcription factors, Flare aims to target mutations that lead to various diseases. The company has rapidly advanced its drug discovery efforts, creating an emerging pipeline of programs initially focused on precision oncology. Additionally, Flare's innovative platform holds promise for addressing conditions in neurology, rare genetic disorders, immunology, and inflammation, ultimately enabling medical professionals to transform treatment strategies for patients.

Asher Bio

Series A in 2021
Asher Biotherapeutics, Inc. is a biotechnology company based in South San Francisco, California, founded in 2019. The company specializes in the development of immunotherapy drugs aimed at effectively treating cancer. Its innovative therapies are designed to enhance the immune system's ability to target and eliminate cancer cells while minimizing side effects. This focus allows healthcare providers to deliver effective treatments to patients in a shorter timeframe, aiming to improve overall outcomes in cancer care.

insitro

Series C in 2021
Insitro, Inc. is a data-driven company focused on drug discovery and development, particularly targeting nonalcoholic steatohepatitis (NASH). Founded in 2018 by Daphne Koller and based in South San Francisco, California, Insitro harnesses machine learning and high-throughput biology to revolutionize the process of drug discovery. The company creates extensive functional genomic data sets and integrates them with patient data through innovative machine learning techniques. This approach allows Insitro to build predictive models that enhance target selection, streamline the design of therapeutics, and optimize drug development strategies. By addressing critical challenges in pharmaceutical research and development, Insitro aims to accelerate the delivery of new and effective treatments to patients.

Faze Medicines

Series A in 2020
Faze Medicines is a biotechnology company based in Cambridge, Massachusetts, founded in 2020. It focuses on developing small molecule drugs targeting key drivers of disease pathology, with initial therapeutic areas including amyotrophic lateral sclerosis (ALS) and myotonic dystrophy type 1 (DM1). The company employs advanced screening and proteomics techniques to define condensate interaction networks, aiming to pioneer innovative therapeutics based on biomolecular condensates. Through its research, Faze Medicines seeks to provide effective treatments for complex diseases such as ALS and frontotemporal dementia (FTD).

Decibel Therapeutics

Series D in 2020
Decibel Therapeutics, Inc. is a clinical-stage biotechnology company focused on discovering and developing innovative therapies aimed at protecting, repairing, and restoring hearing. The company addresses various hearing disorders, including those related to pediatric cancers, cystic fibrosis, noise exposure, age-related and genetic hearing loss, as well as conditions characterized by persistent tinnitus. Decibel Therapeutics employs a multifaceted approach that includes drug delivery to the inner ear, advanced imaging techniques, and pharmacokinetic and pharmacodynamic modeling. The company leverages its expertise in inner ear biology, single-cell genomics, and bioinformatics to develop effective treatments for hearing loss and related disorders. Established in 2013 and headquartered in Boston, Massachusetts, Decibel Therapeutics was originally known as Hearing, Inc. before rebranding in 2014.

Cedilla Therapeutics

Series B in 2020
Cedilla Therapeutics, Inc. is a biotechnology company focused on developing targeted small-molecule therapeutics for cancer and diseases linked to protein dysregulation. The company employs innovative strategies to destabilize oncoprotein targets, utilizing methods such as direct ligand-induced degradation, disruption of stabilizing protein-protein interactions, and the identification of upstream regulators that affect protein stability. Cedilla's comprehensive approach also includes large-scale proteomic analyses to map protein susceptibility, enhancing the potential for effective therapies. By concentrating on the transitions between stable and susceptible protein states, Cedilla aims to create novel treatments that broaden the applicability of small molecule therapeutics beyond oncology. Founded in 2017 and headquartered in Cambridge, Massachusetts, the company was formerly known as Protein Stability Newco, Inc. before rebranding in 2018.

Casma Therapeutics

Series B in 2020
Casma Therapeutics, Inc. is a biotechnology company based in Cambridge, Massachusetts, that specializes in developing innovative therapeutic strategies centered on the natural cellular process of autophagy. Founded in 2017, the company aims to enhance autophagy to improve the clearance of unwanted proteins, organelles, and pathogens, thereby addressing significant medical challenges. Casma Therapeutics is advancing preclinical programs targeting various conditions, including muscle disorders, liver disease, inflammatory disorders, and neurodegenerative diseases. By harnessing and manipulating the autophagy system, the company seeks to arrest or reverse disease progression, ultimately enabling physicians to meet unmet medical needs and provide effective treatments for patients with serious health issues.

Thrive Earlier Detection

Series B in 2020
Thrive Earlier Detection Corp. is a healthcare company focused on revolutionizing cancer diagnosis through its innovative blood testing platform. The company specializes in CancerSEEK, a liquid biopsy test that analyzes genomic mutations in tumor DNA and protein markers in plasma to detect various types of cancer at their earliest stages, even before symptoms arise. Founded in 2018 and headquartered in Cambridge, Massachusetts, with an additional office in Baltimore, Maryland, Thrive aims to integrate earlier cancer detection into routine medical care. The company's approach combines targeted DNA and protein analysis with real-world data and machine learning to provide comprehensive result interpretation and facilitate follow-up testing and oncology care. Thrive Earlier Detection Corp. operates as a subsidiary of Exact Sciences Corporation, reflecting its commitment to enhancing cancer detection and improving patient outcomes.

insitro

Series B in 2020
Insitro, Inc. is a data-driven company focused on drug discovery and development, particularly targeting nonalcoholic steatohepatitis (NASH). Founded in 2018 by Daphne Koller and based in South San Francisco, California, Insitro harnesses machine learning and high-throughput biology to revolutionize the process of drug discovery. The company creates extensive functional genomic data sets and integrates them with patient data through innovative machine learning techniques. This approach allows Insitro to build predictive models that enhance target selection, streamline the design of therapeutics, and optimize drug development strategies. By addressing critical challenges in pharmaceutical research and development, Insitro aims to accelerate the delivery of new and effective treatments to patients.

MoMa Therapeutics

Series A in 2020
MoMa Therapeutics, Inc. is a biotechnology company based in Cambridge, Massachusetts, founded in 2019. The company specializes in discovering precision medicines by targeting the molecular machines that are fundamental to human disease. Formerly known as ATPases NewCo, Inc., MoMa Therapeutics utilizes a unique platform that leverages the shared characteristics of ATPase enzymes, including their large-scale conformational changes and energy-driven mechanics. By integrating advances in structural biology and small-molecule drug discovery, MoMa Therapeutics aims to develop therapies targeting this previously challenging class of enzymes, thereby advancing the field of precision medicine.

Nurix Therapeutics

Venture Round in 2020
Nurix Therapeutics is a biopharmaceutical company dedicated to the discovery, development, and commercialization of small molecule therapies aimed at modulating cellular protein levels for the treatment of cancer and immune disorders. The company has developed an integrated discovery platform known as DELigase, which leverages its expertise in E3 ligases—enzymes capable of modulating proteins within cells. Nurix's pipeline includes promising candidates such as NX-2127, an orally available Bruton’s tyrosine kinase degrader targeting relapsed or refractory B-cell malignancies, and NX-1607, an orally available inhibitor of Casitas B-lineage lymphoma proto-oncogene B, intended for immuno-oncology applications. Founded in 2009 and headquartered in San Francisco, California, Nurix Therapeutics was formerly known as Nurix Inc. and rebranded in October 2018. The company has established strategic collaborations with major industry players, enhancing its research and development capabilities.

Element Science

Series C in 2020
Element Science, Inc. is a medical device and digital health company focused on developing innovative solutions for high-risk cardiovascular patients. Founded in 2011 and headquartered in San Francisco, California, the company specializes in a patch-based wearable cardioverter defibrillator (WCD) designed to monitor patients' heart activity and mitigate the risks associated with sudden cardiac death. Element Science integrates advanced machine learning algorithms with human-centered design principles and stringent electromechanical medical device standards to create a proprietary wearable digital platform. This platform aims to provide continuous protection for patients with heart disease, addressing critical health needs as they transition from hospital care to daily life.

Revolution Medicines

Series C in 2019
Revolution Medicines is a clinical-stage precision oncology company dedicated to developing novel targeted therapies for cancer treatment. Founded by Martin D. Burke, the company leverages an innovative approach to synthesize complex natural products into optimized drug candidates. This method involves rapidly assembling simple chemical building blocks into refined structures with significant therapeutic potential. Revolution Medicines focuses on inhibiting elusive targets within key growth and survival pathways, particularly RAS and mTOR signaling pathways. The company's portfolio includes therapies like RMC-4630, a SHP2 inhibitor, as well as programs targeting SOS1 and 4EBP1/mTORC1.

Thrive Earlier Detection

Series A in 2019
Thrive Earlier Detection Corp. is a healthcare company focused on revolutionizing cancer diagnosis through its innovative blood testing platform. The company specializes in CancerSEEK, a liquid biopsy test that analyzes genomic mutations in tumor DNA and protein markers in plasma to detect various types of cancer at their earliest stages, even before symptoms arise. Founded in 2018 and headquartered in Cambridge, Massachusetts, with an additional office in Baltimore, Maryland, Thrive aims to integrate earlier cancer detection into routine medical care. The company's approach combines targeted DNA and protein analysis with real-world data and machine learning to provide comprehensive result interpretation and facilitate follow-up testing and oncology care. Thrive Earlier Detection Corp. operates as a subsidiary of Exact Sciences Corporation, reflecting its commitment to enhancing cancer detection and improving patient outcomes.

Maze Therapeutics

Series A in 2019
Maze Therapeutics, Inc. is a biotechnology company based in South San Francisco, California, established in 2017. The company specializes in developing genetic modifier therapeutics aimed at addressing unmet medical needs. Utilizing its innovative Compass platform, Maze Therapeutics focuses on identifying rare genetic variants that offer protective effects against diseases. By analyzing large-scale human genetic data and employing functional genomics, the company maps these variants to the biological pathways that contribute to specific conditions in patient populations. This approach enables a deeper understanding of target biology and facilitates the development of novel therapies, positioning Maze Therapeutics as a key player in translating genetic insights into effective medicines.

Ambys Medicines

Series A in 2018
Ambys Medicines, Inc. is a biotechnology company based in Redwood City, California, focused on discovering and developing innovative therapies for severe liver diseases. Founded in 2016, Ambys aims to transform the lives of individuals suffering from liver conditions by creating advanced gene, drug, and cell therapies. The company is dedicated to restoring liver function, halting the progression of liver disease, and addressing the serious complications associated with liver failure. Through its regenerative medical therapies, Ambys seeks to provide relief to patients with chronic liver diseases, ultimately improving their quality of life.

Decibel Therapeutics

Series C in 2018
Decibel Therapeutics, Inc. is a clinical-stage biotechnology company focused on discovering and developing innovative therapies aimed at protecting, repairing, and restoring hearing. The company addresses various hearing disorders, including those related to pediatric cancers, cystic fibrosis, noise exposure, age-related and genetic hearing loss, as well as conditions characterized by persistent tinnitus. Decibel Therapeutics employs a multifaceted approach that includes drug delivery to the inner ear, advanced imaging techniques, and pharmacokinetic and pharmacodynamic modeling. The company leverages its expertise in inner ear biology, single-cell genomics, and bioinformatics to develop effective treatments for hearing loss and related disorders. Established in 2013 and headquartered in Boston, Massachusetts, Decibel Therapeutics was originally known as Hearing, Inc. before rebranding in 2014.

Celsius Therapeutics

Series A in 2018
Celsius Therapeutics, Inc. is a biotechnology company focused on developing precision medicines for patients suffering from cancer and autoimmune diseases. Founded in 2018 and based in Cambridge, Massachusetts, the company employs a multidisciplinary approach, integrating the expertise of scientists, computational biologists, and clinicians. Celsius Therapeutics utilizes advanced techniques such as single-cell genomic analysis and machine learning to identify and develop innovative therapeutic solutions. By leveraging these cutting-edge technologies, the company aims to create life-changing medicines that address unmet medical needs.

Casma Therapeutics

Series A in 2018
Casma Therapeutics, Inc. is a biotechnology company based in Cambridge, Massachusetts, that specializes in developing innovative therapeutic strategies centered on the natural cellular process of autophagy. Founded in 2017, the company aims to enhance autophagy to improve the clearance of unwanted proteins, organelles, and pathogens, thereby addressing significant medical challenges. Casma Therapeutics is advancing preclinical programs targeting various conditions, including muscle disorders, liver disease, inflammatory disorders, and neurodegenerative diseases. By harnessing and manipulating the autophagy system, the company seeks to arrest or reverse disease progression, ultimately enabling physicians to meet unmet medical needs and provide effective treatments for patients with serious health issues.

insitro

Series A in 2018
Insitro, Inc. is a data-driven company focused on drug discovery and development, particularly targeting nonalcoholic steatohepatitis (NASH). Founded in 2018 by Daphne Koller and based in South San Francisco, California, Insitro harnesses machine learning and high-throughput biology to revolutionize the process of drug discovery. The company creates extensive functional genomic data sets and integrates them with patient data through innovative machine learning techniques. This approach allows Insitro to build predictive models that enhance target selection, streamline the design of therapeutics, and optimize drug development strategies. By addressing critical challenges in pharmaceutical research and development, Insitro aims to accelerate the delivery of new and effective treatments to patients.

Cedilla Therapeutics

Series A in 2018
Cedilla Therapeutics, Inc. is a biotechnology company focused on developing targeted small-molecule therapeutics for cancer and diseases linked to protein dysregulation. The company employs innovative strategies to destabilize oncoprotein targets, utilizing methods such as direct ligand-induced degradation, disruption of stabilizing protein-protein interactions, and the identification of upstream regulators that affect protein stability. Cedilla's comprehensive approach also includes large-scale proteomic analyses to map protein susceptibility, enhancing the potential for effective therapies. By concentrating on the transitions between stable and susceptible protein states, Cedilla aims to create novel treatments that broaden the applicability of small molecule therapeutics beyond oncology. Founded in 2017 and headquartered in Cambridge, Massachusetts, the company was formerly known as Protein Stability Newco, Inc. before rebranding in 2018.

Revolution Medicines

Series B in 2018
Revolution Medicines is a clinical-stage precision oncology company dedicated to developing novel targeted therapies for cancer treatment. Founded by Martin D. Burke, the company leverages an innovative approach to synthesize complex natural products into optimized drug candidates. This method involves rapidly assembling simple chemical building blocks into refined structures with significant therapeutic potential. Revolution Medicines focuses on inhibiting elusive targets within key growth and survival pathways, particularly RAS and mTOR signaling pathways. The company's portfolio includes therapies like RMC-4630, a SHP2 inhibitor, as well as programs targeting SOS1 and 4EBP1/mTORC1.

Constellation Pharmaceuticals

Series F in 2018
Constellation Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company based in Cambridge, Massachusetts, focused on developing innovative therapeutics for unmet medical needs in cancer treatment. The company specializes in the field of epigenetics, aiming to address cancers associated with abnormal gene expression and drug resistance. Its lead product candidates include CPI-0610, which is undergoing Phase II clinical trials for myelofibrosis in combination with ruxolitinib, and CPI-1205, currently in Phase Ib/II trials for metastatic castration-resistant prostate cancer in conjunction with androgen receptor signaling inhibitors. Additionally, Constellation is developing CPI-0209, which is in the Phase I dose escalation stage of a Phase I/II trial aimed at treating solid tumors. Founded in 2008, the company was previously known as Epigenetix, Inc. before rebranding to its current name in March 2008.

Rheos Medicines

Series A in 2018
Rheos Medicines, Inc. is a biopharmaceutical company focused on developing innovative therapeutics that modulate metabolic pathways in immune cells to address immune-mediated diseases such as inflammatory bowel disease, rheumatoid arthritis, and lupus. Founded in 2017 and based in Cambridge, Massachusetts, Rheos Medicines employs a unique approach that targets the cellular metabolism of immune cells, allowing for the redirection of specific cell types to enhance treatment efficacy. The company aims to bring precision to the management of these diseases by identifying new drug targets and characterizing relevant biomarkers. Rheos Medicines has assembled a team of leading scientists and clinicians with expertise in immunometabolism and immune-mediated disorders, supported by an experienced biotech leadership team.

Relay Therapeutics

Series B in 2017
Relay Therapeutics, Inc. is a clinical-stage precision medicine company based in Cambridge, Massachusetts, focused on transforming the drug discovery process. The company employs a novel allosteric drug-discovery platform, known as Dynamo, which integrates advanced computational techniques with experimental methods to study protein motion and interactions. This innovative approach enables the identification and development of therapies targeting complex diseases, particularly in oncology. Relay Therapeutics is advancing a pipeline of product candidates, including RLY-1971, a small molecule inhibitor targeting SHP2, RLY-4008, a selective inhibitor of FGFR2 for advanced solid tumors, and RLY-PI3K1047, aimed at mutant variants of phosphoinositide 3-kinase alpha. Founded in 2015, the company aims to deliver life-changing therapies to patients by addressing previously intractable targets in precision oncology and genetic diseases.

PanOptica

Series B in 2017
PanOptica, Inc. is a biotechnology company focused on developing innovative topical eye drops for the treatment of sight-threatening eye diseases caused by abnormal or leaky blood vessels. Founded in 2009 and headquartered in Mount Arlington, New Jersey, PanOptica is advancing its lead compound, PAN-90806, a small-molecule selective VEGF receptor antagonist, which shows potential as a topical treatment for conditions such as wet age-related macular degeneration and diabetic retinopathy. The company aims to address significant unmet needs in ophthalmology by offering new therapeutic options that can improve vision and enhance the quality of life for patients suffering from debilitating eye diseases. By collaborating with pharmaceutical companies, PanOptica seeks to license and develop innovative treatments that may include enhancements to existing therapies or novel solutions for previously untreatable conditions.

Constellation Pharmaceuticals

Series E in 2017
Constellation Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company based in Cambridge, Massachusetts, focused on developing innovative therapeutics for unmet medical needs in cancer treatment. The company specializes in the field of epigenetics, aiming to address cancers associated with abnormal gene expression and drug resistance. Its lead product candidates include CPI-0610, which is undergoing Phase II clinical trials for myelofibrosis in combination with ruxolitinib, and CPI-1205, currently in Phase Ib/II trials for metastatic castration-resistant prostate cancer in conjunction with androgen receptor signaling inhibitors. Additionally, Constellation is developing CPI-0209, which is in the Phase I dose escalation stage of a Phase I/II trial aimed at treating solid tumors. Founded in 2008, the company was previously known as Epigenetix, Inc. before rebranding to its current name in March 2008.

Magenta Therapeutics

Series B in 2017
Magenta Therapeutics, Inc. is a clinical-stage biotechnology company based in Cambridge, Massachusetts, focused on advancing stem cell transplantation and related therapies. Founded in 2015, the company aims to enhance the patient experience in transplant medicine by developing innovative treatments that make stem cell transplants safer and more accessible. Its pipeline includes several key candidates, such as C100, C200, and C300 targeted antibody-drug conjugates designed for transplant conditioning; MGTA-145, a stem cell mobilization product; and MGTA-456, an allogeneic stem cell therapy. Additionally, Magenta is exploring E478, a small molecule aimed at expanding gene-modified stem cells, and G100, an antibody-drug conjugate to mitigate acute graft-versus-host disease. The company has established research collaborations with other biotechnology firms to further investigate the potential of its therapies in treating blood cancers, genetic disorders, and autoimmune diseases, ultimately striving to transform stem cell transplantation from a last-resort option into a more viable and effective treatment for patients.

Tango Therapeutics

Series A in 2017
Tango Therapeutics, Inc., established in 2014 and headquartered in Cambridge, Massachusetts, is a biotechnology company focused on developing innovative cancer therapies. The company employs the genetic principle of synthetic lethality to identify and target driver genes in cancer cells. Tango Therapeutics concentrates its efforts on three key areas: counteracting tumor suppressor gene loss, reversing immune evasion by cancer cells, and discovering novel drug combinations for enhanced efficacy. Its pipeline includes TNG908, a precision therapy targeting MTAP-deleted cancers, and several other discovery programs aimed at various cancer types with limited treatment options.

Rhythm Pharmaceuticals

Venture Round in 2017
Rhythm Pharmaceuticals, Inc. is a biopharmaceutical company dedicated to the development and commercialization of therapeutics for rare genetic disorders, particularly those that lead to life-threatening metabolic conditions. The company’s primary product candidate, setmelanotide, is a first-in-class melanocortin-4 receptor agonist currently undergoing Phase III clinical trials for the treatment of obesity related to pro-opiomelanocortin (POMC) and leptin receptor deficiencies, as well as Bardet-Biedl and Alström syndromes. Additionally, it is in Phase II trials for various other genetic obesity disorders. Rhythm Pharmaceuticals is also advancing RM-853, an orally available ghrelin o-acyltransferase inhibitor in preclinical development aimed at addressing Prader-Willi syndrome. Founded in 2008 and based in Boston, Massachusetts, the company previously operated under the name Rhythm Metabolic, Inc. and rebranded in October 2015.

Neon Therapeutics

Series B in 2017
Neon Therapeutics is a clinical-stage biopharmaceutical company specializing in neoantigen-targeted therapies aimed at revolutionizing cancer treatment. By harnessing the immune system's ability to recognize and attack neoantigens, the company seeks to develop innovative therapies that improve patient outcomes. Its product pipeline includes NEO-PV-01, NEO-PTC-01, and NEO-SV-01, which are designed to enhance the immune response against tumors. Through its focused research and development efforts, Neon Therapeutics is committed to advancing the field of immuno-oncology and providing new options for cancer patients.

Revolution Medicines

Series A in 2016
Revolution Medicines is a clinical-stage precision oncology company dedicated to developing novel targeted therapies for cancer treatment. Founded by Martin D. Burke, the company leverages an innovative approach to synthesize complex natural products into optimized drug candidates. This method involves rapidly assembling simple chemical building blocks into refined structures with significant therapeutic potential. Revolution Medicines focuses on inhibiting elusive targets within key growth and survival pathways, particularly RAS and mTOR signaling pathways. The company's portfolio includes therapies like RMC-4630, a SHP2 inhibitor, as well as programs targeting SOS1 and 4EBP1/mTORC1.

Goldfinch Biopharma

Series A in 2016
Goldfinch Bio, Inc. is a clinical-stage biotechnology company based in Cambridge, Massachusetts, dedicated to discovering and developing precision therapies for patients with kidney diseases. The company focuses on conditions such as focal segmental glomerulosclerosis, diabetic nephropathy, and polycystic kidney disease. Key product candidates include GFB-887, a selective inhibitor of the TRPC5 channel, and GFB-024, a cannabinoid receptor 1 inverse agonist. Goldfinch Bio integrates advancements in kidney genetics and biology through its Kidney Genome Atlas, a genomic registry that aids in identifying new disease targets and biomarkers. Additionally, the company employs stem cell science to create human organoid models, which facilitate the validation of novel therapeutic targets. Goldfinch Bio has established a strategic collaboration with Gilead Sciences to further enhance its research and development efforts. Founded in 2016, Goldfinch Bio aims to transform the treatment landscape for progressive kidney disease.

Magenta Therapeutics

Series A in 2016
Magenta Therapeutics, Inc. is a clinical-stage biotechnology company based in Cambridge, Massachusetts, focused on advancing stem cell transplantation and related therapies. Founded in 2015, the company aims to enhance the patient experience in transplant medicine by developing innovative treatments that make stem cell transplants safer and more accessible. Its pipeline includes several key candidates, such as C100, C200, and C300 targeted antibody-drug conjugates designed for transplant conditioning; MGTA-145, a stem cell mobilization product; and MGTA-456, an allogeneic stem cell therapy. Additionally, Magenta is exploring E478, a small molecule aimed at expanding gene-modified stem cells, and G100, an antibody-drug conjugate to mitigate acute graft-versus-host disease. The company has established research collaborations with other biotechnology firms to further investigate the potential of its therapies in treating blood cancers, genetic disorders, and autoimmune diseases, ultimately striving to transform stem cell transplantation from a last-resort option into a more viable and effective treatment for patients.

Relay Therapeutics

Series A in 2016
Relay Therapeutics, Inc. is a clinical-stage precision medicine company based in Cambridge, Massachusetts, focused on transforming the drug discovery process. The company employs a novel allosteric drug-discovery platform, known as Dynamo, which integrates advanced computational techniques with experimental methods to study protein motion and interactions. This innovative approach enables the identification and development of therapies targeting complex diseases, particularly in oncology. Relay Therapeutics is advancing a pipeline of product candidates, including RLY-1971, a small molecule inhibitor targeting SHP2, RLY-4008, a selective inhibitor of FGFR2 for advanced solid tumors, and RLY-PI3K1047, aimed at mutant variants of phosphoinositide 3-kinase alpha. Founded in 2015, the company aims to deliver life-changing therapies to patients by addressing previously intractable targets in precision oncology and genetic diseases.

Element Science

Series B in 2016
Element Science, Inc. is a medical device and digital health company focused on developing innovative solutions for high-risk cardiovascular patients. Founded in 2011 and headquartered in San Francisco, California, the company specializes in a patch-based wearable cardioverter defibrillator (WCD) designed to monitor patients' heart activity and mitigate the risks associated with sudden cardiac death. Element Science integrates advanced machine learning algorithms with human-centered design principles and stringent electromechanical medical device standards to create a proprietary wearable digital platform. This platform aims to provide continuous protection for patients with heart disease, addressing critical health needs as they transition from hospital care to daily life.

Fulcrum Therapeutics

Series A in 2016
Fulcrum Therapeutics, Inc. is a clinical-stage biopharmaceutical company based in Cambridge, Massachusetts, dedicated to developing novel therapies for patients with genetically defined diseases that have significant unmet medical needs. The company's lead product candidate, losmapimod, is a small molecule currently undergoing Phase 2b clinical trials for the treatment of facioscapulohumeral muscular dystrophy, a rare condition characterized by progressive muscle wasting and disability. Another key candidate, FTX-6058, aims to upregulate fetal hemoglobin to treat sickle cell disease and beta-thalassemia. Fulcrum is also actively researching drug targets for other genetic disorders, including Duchenne muscular dystrophy and Friedreich ataxia, as well as neurological and pulmonary diseases. The company has established collaborations with Acceleron Pharma to explore biological targets in pulmonary disease and with MyoKardia to develop therapies for genetic cardiomyopathies. Founded in 2015, Fulcrum Therapeutics continues to focus on improving patient outcomes in rare disease contexts.

PanOptica

Series B in 2016
PanOptica, Inc. is a biotechnology company focused on developing innovative topical eye drops for the treatment of sight-threatening eye diseases caused by abnormal or leaky blood vessels. Founded in 2009 and headquartered in Mount Arlington, New Jersey, PanOptica is advancing its lead compound, PAN-90806, a small-molecule selective VEGF receptor antagonist, which shows potential as a topical treatment for conditions such as wet age-related macular degeneration and diabetic retinopathy. The company aims to address significant unmet needs in ophthalmology by offering new therapeutic options that can improve vision and enhance the quality of life for patients suffering from debilitating eye diseases. By collaborating with pharmaceutical companies, PanOptica seeks to license and develop innovative treatments that may include enhancements to existing therapies or novel solutions for previously untreatable conditions.

Pliant Therapeutics

Series A in 2016
Pliant Therapeutics, Inc. is a clinical-stage biopharmaceutical company based in South San Francisco, California, dedicated to discovering and developing innovative therapies for fibrotic diseases. Its lead product candidate, PLN-74809, is an oral small-molecule dual selective inhibitor of avß6 and avß1 integrins, targeting idiopathic pulmonary fibrosis and primary sclerosing cholangitis. PLN-74809 has received Orphan Drug Designation from the U.S. Food and Drug Administration for both indications and is currently undergoing Phase 2a clinical trials. The company is also developing PLN-1474, a small-molecule selective inhibitor of avß1, for the treatment of liver fibrosis associated with nonalcoholic steatohepatitis, which is in Phase 1 trials. Founded in 2015, Pliant Therapeutics is also advancing preclinical programs aimed at addressing oncology and muscular dystrophies.

Constellation Pharmaceuticals

Series E in 2015
Constellation Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company based in Cambridge, Massachusetts, focused on developing innovative therapeutics for unmet medical needs in cancer treatment. The company specializes in the field of epigenetics, aiming to address cancers associated with abnormal gene expression and drug resistance. Its lead product candidates include CPI-0610, which is undergoing Phase II clinical trials for myelofibrosis in combination with ruxolitinib, and CPI-1205, currently in Phase Ib/II trials for metastatic castration-resistant prostate cancer in conjunction with androgen receptor signaling inhibitors. Additionally, Constellation is developing CPI-0209, which is in the Phase I dose escalation stage of a Phase I/II trial aimed at treating solid tumors. Founded in 2008, the company was previously known as Epigenetix, Inc. before rebranding to its current name in March 2008.

Decibel Therapeutics

Series A in 2015
Decibel Therapeutics, Inc. is a clinical-stage biotechnology company focused on discovering and developing innovative therapies aimed at protecting, repairing, and restoring hearing. The company addresses various hearing disorders, including those related to pediatric cancers, cystic fibrosis, noise exposure, age-related and genetic hearing loss, as well as conditions characterized by persistent tinnitus. Decibel Therapeutics employs a multifaceted approach that includes drug delivery to the inner ear, advanced imaging techniques, and pharmacokinetic and pharmacodynamic modeling. The company leverages its expertise in inner ear biology, single-cell genomics, and bioinformatics to develop effective treatments for hearing loss and related disorders. Established in 2013 and headquartered in Boston, Massachusetts, Decibel Therapeutics was originally known as Hearing, Inc. before rebranding in 2014.

Neon Therapeutics

Series A in 2015
Neon Therapeutics is a clinical-stage biopharmaceutical company specializing in neoantigen-targeted therapies aimed at revolutionizing cancer treatment. By harnessing the immune system's ability to recognize and attack neoantigens, the company seeks to develop innovative therapies that improve patient outcomes. Its product pipeline includes NEO-PV-01, NEO-PTC-01, and NEO-SV-01, which are designed to enhance the immune response against tumors. Through its focused research and development efforts, Neon Therapeutics is committed to advancing the field of immuno-oncology and providing new options for cancer patients.

Rhythm Metabolic

Series A in 2015
Rhythm Metabolic is the subsidiary of Rhythm Pharmaceuticals that develops setmelanotide (RM-493), a novel peptide MC4 agonist for the treatment of obesity caused by genetic deficiencies in the MC4 pathway. It was established in 2013 and is headquartered in Boston, Massachusetts.

Editas Medicine

Series B in 2015
Editas Medicine is a clinical-stage biotechnology company based in Cambridge, Massachusetts, with an additional site in Boulder, Colorado. Founded in 2013, the company focuses on the discovery and development of genome editing therapeutics, primarily utilizing its proprietary CRISPR/Cas9 technology. This innovative platform enables precise molecular modifications at the genetic level, with the aim of treating a wide array of serious diseases by addressing their underlying causes. Editas Medicine has established a strong intellectual property portfolio, which includes numerous patents related to foundational genome editing technologies and advancements that facilitate the translation of research into viable human therapeutics. The company's mission is to pioneer transformative genomic medicines that can significantly improve patient outcomes across various genetic disorders.

Revolution Medicines

Series A in 2015
Revolution Medicines is a clinical-stage precision oncology company dedicated to developing novel targeted therapies for cancer treatment. Founded by Martin D. Burke, the company leverages an innovative approach to synthesize complex natural products into optimized drug candidates. This method involves rapidly assembling simple chemical building blocks into refined structures with significant therapeutic potential. Revolution Medicines focuses on inhibiting elusive targets within key growth and survival pathways, particularly RAS and mTOR signaling pathways. The company's portfolio includes therapies like RMC-4630, a SHP2 inhibitor, as well as programs targeting SOS1 and 4EBP1/mTORC1.

CytomX Therapeutics

Series C in 2015
CytomX Therapeutics, Inc. is an oncology-focused biopharmaceutical company based in South San Francisco, California. It specializes in developing a novel class of antibody therapeutics utilizing its Probody technology platform, which aims to enhance the targeting of tumors while minimizing drug activity in healthy tissues. The company's clinical-stage product candidates include CX-072, a therapeutic targeting programmed cell death ligand 1; CX-2009, a drug conjugate targeting CD166; BMS-986249 and BMS-986288, both targeting CTLA-4 for metastatic melanoma and solid tumors; and CX-2029, a drug conjugate for CD71 in solid tumors. CytomX collaborates strategically with several industry leaders, including AbbVie, Amgen, and Bristol-Myers Squibb, to advance its Probody therapeutics. Founded in 2008, CytomX Therapeutics is committed to providing innovative and less toxic treatment options for patients with severe illnesses such as cancer.

Allena Pharmaceuticals

Series B in 2014
Allena Pharmaceuticals, Inc. is a late-stage clinical biopharmaceutical company based in Newton, Massachusetts, focused on the development and commercialization of innovative oral enzyme therapeutics for rare and severe metabolic and kidney disorders. Founded in 2011, the company’s lead product candidate, reloxaliase, is currently undergoing a pivotal Phase 3 clinical program aimed at treating enteric hyperoxaluria, a condition characterized by elevated urinary oxalate levels that can lead to kidney stones and chronic kidney disease. Additionally, Allena is developing ALLN-346, a novel enzyme intended to address hyperuricemia in patients with moderate to severe chronic kidney diseases. By targeting metabolic disorders associated with the accumulation of harmful metabolites, Allena Pharmaceuticals aims to provide effective treatments for patients facing serious health challenges.

Blueprint Medicines

Series C in 2014
Blueprint Medicines Corporation is a biopharmaceutical company that specializes in developing small molecule kinase inhibitors aimed at treating genomically defined cancers and rare diseases. Founded in 2008 and headquartered in Cambridge, Massachusetts, the company focuses on personalized cancer therapies by leveraging its proprietary chemical library and advanced research capabilities. Its key drug candidates include avapritinib for systemic mastocytosis and gastrointestinal stromal tumors, and pralsetinib for RET-altered non-small cell lung cancer and medullary thyroid carcinoma. Additionally, Blueprint Medicines is advancing BLU-263, a KIT inhibitor for mast cell disorders, and fisogatinib for advanced hepatocellular carcinoma, both currently in clinical trials. The company’s innovative approach seeks to address the molecular drivers of cancer and resistance mechanisms, aiming to enhance treatment effectiveness and patient outcomes. Blueprint Medicines has established collaborations with several pharmaceutical companies to further its research and development efforts.

MyoKardia

Venture Round in 2014
MyoKardia, Inc. is a clinical-stage biopharmaceutical company based in Brisbane, California, specializing in the discovery, development, and commercialization of targeted therapies for rare cardiovascular diseases. Founded in 2012, the company focuses on heritable cardiomyopathies and genetically-driven heart failure stemming from biomechanical defects in cardiac muscle contraction. Its lead product candidate, Mavacamten, is an orally administered allosteric modulator of cardiac myosin currently undergoing Phase III clinical trials for hypertrophic cardiomyopathy (HCM). Additionally, MyoKardia is developing Danicamtiv, which has completed Phase I and IIa trials for dilated cardiomyopathy, alongside several preclinical programs targeting related cardiovascular conditions. As of November 2020, MyoKardia operates as a subsidiary of Bristol-Myers Squibb Company.

Corvia

Series D in 2014
Corvia Medical, Inc., established in 2009 and based in Andover, Massachusetts, is a medical device company specializing in structural heart devices for heart failure treatment. Its primary product is the InterAtrial Shunt Device (IASD), a transcatheter device designed to alleviate symptoms and slow the progression of diastolic heart failure, also known as heart failure with preserved ejection fraction (HFpEF). The IASD system reduces elevated left atrial pressure, the primary cause of DHF symptoms, by creating a small opening between the left and right atria, enabling patients to lead healthier lives with reduced heart failure risk.

Nurix Therapeutics

Series B in 2014
Nurix Therapeutics is a biopharmaceutical company dedicated to the discovery, development, and commercialization of small molecule therapies aimed at modulating cellular protein levels for the treatment of cancer and immune disorders. The company has developed an integrated discovery platform known as DELigase, which leverages its expertise in E3 ligases—enzymes capable of modulating proteins within cells. Nurix's pipeline includes promising candidates such as NX-2127, an orally available Bruton’s tyrosine kinase degrader targeting relapsed or refractory B-cell malignancies, and NX-1607, an orally available inhibitor of Casitas B-lineage lymphoma proto-oncogene B, intended for immuno-oncology applications. Founded in 2009 and headquartered in San Francisco, California, Nurix Therapeutics was formerly known as Nurix Inc. and rebranded in October 2018. The company has established strategic collaborations with major industry players, enhancing its research and development capabilities.

Kala Pharmaceuticals

Series B in 2014
Kala Pharmaceuticals, Inc. is a biopharmaceutical company dedicated to developing and commercializing innovative therapies for eye diseases using its proprietary Mucus Penetrating Particles (MPP) technology. This technology enhances drug distribution and pharmacokinetics by coating mucosal surfaces with biocompatible, drug-loaded particles, allowing for improved local drug concentrations while minimizing systemic exposure. Kala's lead product candidate, KPI-121 0.25%, has completed two Phase III clinical trials aimed at providing temporary relief for dry eye disease. Additionally, INVELTYS has also completed two Phase III trials for managing inflammation and pain after ocular surgery. The company is advancing KPI-285, a receptor tyrosine kinase inhibitor, in preclinical studies targeting retinal diseases. Established in 2009 and headquartered in Watertown, Massachusetts, Kala Pharmaceuticals continues to explore diverse product opportunities while focusing on internal development and research collaborations to address significant clinical needs.

PanOptica

Series B in 2014
PanOptica, Inc. is a biotechnology company focused on developing innovative topical eye drops for the treatment of sight-threatening eye diseases caused by abnormal or leaky blood vessels. Founded in 2009 and headquartered in Mount Arlington, New Jersey, PanOptica is advancing its lead compound, PAN-90806, a small-molecule selective VEGF receptor antagonist, which shows potential as a topical treatment for conditions such as wet age-related macular degeneration and diabetic retinopathy. The company aims to address significant unmet needs in ophthalmology by offering new therapeutic options that can improve vision and enhance the quality of life for patients suffering from debilitating eye diseases. By collaborating with pharmaceutical companies, PanOptica seeks to license and develop innovative treatments that may include enhancements to existing therapies or novel solutions for previously untreatable conditions.

Element Science

Series A in 2014
Element Science, Inc. is a medical device and digital health company focused on developing innovative solutions for high-risk cardiovascular patients. Founded in 2011 and headquartered in San Francisco, California, the company specializes in a patch-based wearable cardioverter defibrillator (WCD) designed to monitor patients' heart activity and mitigate the risks associated with sudden cardiac death. Element Science integrates advanced machine learning algorithms with human-centered design principles and stringent electromechanical medical device standards to create a proprietary wearable digital platform. This platform aims to provide continuous protection for patients with heart disease, addressing critical health needs as they transition from hospital care to daily life.

NinePoint Medical

Series B in 2014
NinePoint Medical, Inc. is a medical device company based in Bedford, Massachusetts, that specializes in the development of innovative optical coherence tomography (OCT) imaging systems for assessing human tissue microstructure. The company's flagship product, the NvisionVLE Imaging System, enables real-time volumetric imaging of the esophagus and bile duct, allowing physicians across various specialties—including gastroenterology, pulmonology, urology, gynecology, and ENT—to perform advanced diagnostic procedures. By providing high-resolution cross-sectional images, NinePoint's system empowers physicians to make accurate diagnoses and implement effective therapies during the same procedure, enhancing patient care and outcomes. The company markets its imaging systems through a network of distributors in the United States and internationally. Originally founded as Convergence Devices, Inc. in 2008, NinePoint Medical underwent a name change in 2009 and has since focused on advancing telepathology capabilities to improve healthcare efficiency and patient experiences.

SAGE Therapeutics

Series C in 2014
SAGE Therapeutics, Inc. is a clinical-stage biopharmaceutical company headquartered in Cambridge, Massachusetts, dedicated to developing innovative treatments for central nervous system (CNS) disorders. The company's lead product, ZULRESSO, is an intravenous formulation of brexanolone specifically designed for the treatment of postpartum depression. SAGE Therapeutics is advancing a diverse product pipeline, including SAGE-217, a novel neuroactive steroid in Phase III trials for various depressive disorders and anxiety, and SAGE-324, currently in Phase II trials for essential tremors and other neurological conditions. Additionally, SAGE-718, an oxysterol-based positive allosteric modulator, has completed Phase I trials targeting multiple CNS-related disorders. The company also explores other compounds, such as SAGE-904 and SAGE-689. SAGE Therapeutics has established strategic collaborations with Shionogi & Co., Ltd. and Biogen Inc. for the development and commercialization of its key product candidates, emphasizing its commitment to addressing the challenges of brain health.

Voyager Therapeutics

Series A in 2014
Voyager Therapeutics, Inc. is a clinical-stage gene therapy company dedicated to developing innovative treatments for severe neurological diseases. The company’s lead clinical candidate, VY-AADC, is currently undergoing an open-label Phase 1b trial for Parkinson’s disease. Its diverse preclinical pipeline includes candidates for various conditions, such as VY-SOD102 for amyotrophic lateral sclerosis, VY-HTT01 for Huntington’s disease, VY-FXN01 for Friedreich’s ataxia, and programs targeting tauopathies and synucleinopathies, which encompass Alzheimer’s disease and related disorders. Voyager Therapeutics employs a gene therapy platform known as TRACER, which enables the engineering and optimization of adeno-associated virus (AAV) therapies aimed at producing lasting therapeutic effects from a single treatment. The company collaborates with several institutions, including the University of Massachusetts and ClearPoint Neuro, as well as industry partners like Brammer Bio and Fujifilm Diosynth Biotechnologies, to enhance its gene therapy initiatives. Founded in 2013 and headquartered in Cambridge, Massachusetts, Voyager Therapeutics is committed to addressing unmet medical needs in the central nervous system.

Igenica

Series C in 2014
Igenica, Inc. is a biotherapeutic company based in Burlingame, California, that specializes in the discovery and development of antibodies and antibody-drug conjugates (ADCs) for cancer treatment. Founded in 2008, the company focuses on creating innovative immunotherapies and functional antibodies targeting tumors. Its product pipeline includes IGN523, a humanized monoclonal antibody for various hematologic and solid tumors; IGN786, an antibody-drug conjugate; and IGN381, an immune checkpoint target that enhances the tumor microenvironment. Igenica operates with a strategic oncology research agreement with MedImmune and is supported by a leadership team experienced in antibody drug discovery and clinical development. As of 2017, Igenica operates as a subsidiary of Pierre Fabre Medicament SA, positioning it to leverage additional resources and expertise in the biotherapeutics field.

Blueprint Medicines

Series B in 2014
Blueprint Medicines Corporation is a biopharmaceutical company that specializes in developing small molecule kinase inhibitors aimed at treating genomically defined cancers and rare diseases. Founded in 2008 and headquartered in Cambridge, Massachusetts, the company focuses on personalized cancer therapies by leveraging its proprietary chemical library and advanced research capabilities. Its key drug candidates include avapritinib for systemic mastocytosis and gastrointestinal stromal tumors, and pralsetinib for RET-altered non-small cell lung cancer and medullary thyroid carcinoma. Additionally, Blueprint Medicines is advancing BLU-263, a KIT inhibitor for mast cell disorders, and fisogatinib for advanced hepatocellular carcinoma, both currently in clinical trials. The company’s innovative approach seeks to address the molecular drivers of cancer and resistance mechanisms, aiming to enhance treatment effectiveness and patient outcomes. Blueprint Medicines has established collaborations with several pharmaceutical companies to further its research and development efforts.

Soffio Medical

Seed Round in 2013
Soffio Medical, Inc. is a Boston-based company focused on developing innovative medical devices for respiratory diseases. The firm specializes in implantable technologies that aim to address chronic obstructive pulmonary disease (COPD) and similar conditions. Its devices are designed to implement an airway bypass concept, allowing for the venting of trapped air from areas distal to high-resistance airways. This approach helps reduce residual lung volume and alleviates symptoms associated with respiratory diseases, ultimately enhancing the quality of life for patients.

Editas Medicine

Series A in 2013
Editas Medicine is a clinical-stage biotechnology company based in Cambridge, Massachusetts, with an additional site in Boulder, Colorado. Founded in 2013, the company focuses on the discovery and development of genome editing therapeutics, primarily utilizing its proprietary CRISPR/Cas9 technology. This innovative platform enables precise molecular modifications at the genetic level, with the aim of treating a wide array of serious diseases by addressing their underlying causes. Editas Medicine has established a strong intellectual property portfolio, which includes numerous patents related to foundational genome editing technologies and advancements that facilitate the translation of research into viable human therapeutics. The company's mission is to pioneer transformative genomic medicines that can significantly improve patient outcomes across various genetic disorders.

SAGE Therapeutics

Series B in 2013
SAGE Therapeutics, Inc. is a clinical-stage biopharmaceutical company headquartered in Cambridge, Massachusetts, dedicated to developing innovative treatments for central nervous system (CNS) disorders. The company's lead product, ZULRESSO, is an intravenous formulation of brexanolone specifically designed for the treatment of postpartum depression. SAGE Therapeutics is advancing a diverse product pipeline, including SAGE-217, a novel neuroactive steroid in Phase III trials for various depressive disorders and anxiety, and SAGE-324, currently in Phase II trials for essential tremors and other neurological conditions. Additionally, SAGE-718, an oxysterol-based positive allosteric modulator, has completed Phase I trials targeting multiple CNS-related disorders. The company also explores other compounds, such as SAGE-904 and SAGE-689. SAGE Therapeutics has established strategic collaborations with Shionogi & Co., Ltd. and Biogen Inc. for the development and commercialization of its key product candidates, emphasizing its commitment to addressing the challenges of brain health.

Edimer Pharmaceuticals

Series B in 2013
Edimer Pharmaceuticals is a biotechnology company focused on developing innovative treatments for X-linked Hypohydrotic Ectodermal Dysplasia (XLHED), a rare genetic disorder characterized by symptoms such as the absence of sweat glands, impaired temperature regulation, respiratory issues, and malformations of hair and teeth. The company's lead product candidate, EDI200, aims to provide significant and lasting improvements in health and quality of life for individuals affected by this condition. Edimer is guided by a team of experienced professionals in the biotechnology sector, supported by a network of distinguished clinical and scientific advisors, all committed to addressing the needs of families impacted by XLHED.

Alcresta Therapeutics

Series B in 2013
Alcresta Therapeutics, Inc. is dedicated to developing and commercializing enzyme-based products aimed at treating gastrointestinal disorders and rare diseases. The company's flagship product, RELiZORB, is a digestive enzyme cartridge that mimics pancreatic lipase, facilitating fat digestion and absorption in adults who require enteral tube feeding. Founded in 2011 and headquartered in Warren, New Jersey, Alcresta's innovative approach focuses on addressing the nutritional needs of infants, aging adults, and individuals facing acute or chronic health challenges. With a strong emphasis on research and development, the company leverages its expertise in adult and pediatric nutrition, protein manufacturing, and regulatory affairs to advance its product offerings and improve patient outcomes. Alcresta Therapeutics is committed to supporting better health through effective nutritional solutions for those with compromised digestive function.

Afferent Pharmaceuticals

Venture Round in 2013
Afferent Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company based in San Mateo, California, focused on developing innovative medicines for chronic pain management and neurogenic disorders. The company specializes in targeting P2X3 receptors found in nerve fibers, creating small molecule compounds designed to address conditions such as osteoarthritis, back pain, visceral pain, and neuropathy. Afferent's lead compound, AF-219, has successfully completed two Phase 1 clinical studies, positioning the company to advance its portfolio of therapeutics aimed at improving the quality of life for patients suffering from various pain-related ailments. Founded in 2009, Afferent Pharmaceuticals is dedicated to advancing the understanding and treatment of chronic pain through scientific innovation.

Nurix Therapeutics

Venture Round in 2013
Nurix Therapeutics is a biopharmaceutical company dedicated to the discovery, development, and commercialization of small molecule therapies aimed at modulating cellular protein levels for the treatment of cancer and immune disorders. The company has developed an integrated discovery platform known as DELigase, which leverages its expertise in E3 ligases—enzymes capable of modulating proteins within cells. Nurix's pipeline includes promising candidates such as NX-2127, an orally available Bruton’s tyrosine kinase degrader targeting relapsed or refractory B-cell malignancies, and NX-1607, an orally available inhibitor of Casitas B-lineage lymphoma proto-oncogene B, intended for immuno-oncology applications. Founded in 2009 and headquartered in San Francisco, California, Nurix Therapeutics was formerly known as Nurix Inc. and rebranded in October 2018. The company has established strategic collaborations with major industry players, enhancing its research and development capabilities.

TARIS Biomedical

Venture Round in 2013
TARIS Biomedical, Inc. is a therapeutically focused urology company based in Lexington, Massachusetts, established in 2008. The company specializes in developing innovative treatments for challenging bladder diseases, including bladder cancer and overactive bladder. TARIS Biomedical's proprietary system is designed to continuously release medications directly into the bladder over extended periods, ranging from weeks to months. This technology is administered through minimally invasive, in-office procedures, allowing for customized drug delivery that aligns with the specific needs of various bladder conditions. As of December 2019, TARIS Biomedical operates as a subsidiary of Janssen Research & Development, LLC.

Corvia

Series C in 2013
Corvia Medical, Inc., established in 2009 and based in Andover, Massachusetts, is a medical device company specializing in structural heart devices for heart failure treatment. Its primary product is the InterAtrial Shunt Device (IASD), a transcatheter device designed to alleviate symptoms and slow the progression of diastolic heart failure, also known as heart failure with preserved ejection fraction (HFpEF). The IASD system reduces elevated left atrial pressure, the primary cause of DHF symptoms, by creating a small opening between the left and right atria, enabling patients to lead healthier lives with reduced heart failure risk.

Kala Pharmaceuticals

Series A in 2013
Kala Pharmaceuticals, Inc. is a biopharmaceutical company dedicated to developing and commercializing innovative therapies for eye diseases using its proprietary Mucus Penetrating Particles (MPP) technology. This technology enhances drug distribution and pharmacokinetics by coating mucosal surfaces with biocompatible, drug-loaded particles, allowing for improved local drug concentrations while minimizing systemic exposure. Kala's lead product candidate, KPI-121 0.25%, has completed two Phase III clinical trials aimed at providing temporary relief for dry eye disease. Additionally, INVELTYS has also completed two Phase III trials for managing inflammation and pain after ocular surgery. The company is advancing KPI-285, a receptor tyrosine kinase inhibitor, in preclinical studies targeting retinal diseases. Established in 2009 and headquartered in Watertown, Massachusetts, Kala Pharmaceuticals continues to explore diverse product opportunities while focusing on internal development and research collaborations to address significant clinical needs.

Jounce Therapeutics

Series A in 2013
Jounce Therapeutics, Inc. is a clinical-stage immunotherapy company based in Cambridge, Massachusetts, focused on developing innovative therapies for cancer treatment. The company aims to harness the immune system to target and eliminate cancerous cells, thereby enhancing patient outcomes and quality of life. Among its key product candidates is vopratelimab, a monoclonal antibody currently undergoing Phase II clinical trials for patients with non-small cell lung cancer and urothelial cancer. Jounce is also advancing JTX-4014, an anti-PD-1 antibody for combination therapy, and JTX-1811, which is designed to deplete T regulatory cells in the tumor microenvironment. Additionally, JTX-8064 targets a specific receptor on macrophages to modulate the immune response. Founded in 2013 by experts in immunobiology and cancer biology, Jounce utilizes a proprietary Translational Science Platform to analyze the cellular and molecular characteristics of tumors, driving its commitment to developing first-in-class cancer immunotherapies.

Larimar Therapeutics

Series D in 2012
Larimar Therapeutics, Inc. is a clinical-stage biotechnology company based in Bala Cynwyd, Pennsylvania, dedicated to developing treatments for complex rare diseases. Its primary focus is on Friedreich's ataxia, a rare and progressive genetic disorder, for which it is advancing its lead compound, CTI-1601, through a Phase 1 clinical program. CTI-1601 is designed as a recombinant fusion protein that delivers human frataxin, an essential protein, directly to the mitochondria using a novel cell-penetrating peptide technology. In addition to Friedreich's ataxia, Larimar aims to leverage its intracellular delivery platform to create additional fusion proteins targeting other rare diseases associated with deficiencies in bioactive compounds.

Motus Therapeutics

Series B in 2012
Motus Therapeutics is a biotechnology company located in Boston, Massachusetts, focused on developing peptide therapeutics to address unmet needs in metabolic diseases. The company specializes in treatments for gastrointestinal disorders, with its lead product candidate, relamorelin, acting as a ghrelin agonist. Relamorelin is specifically designed for the treatment of diabetic gastroparesis, a gastrointestinal complication associated with diabetes, as well as other gastrointestinal functional disorders. Through its innovative approach, Motus Therapeutics aims to improve the quality of life for patients suffering from these conditions.

Rhythm Pharmaceuticals

Series B in 2012
Rhythm Pharmaceuticals, Inc. is a biopharmaceutical company dedicated to the development and commercialization of therapeutics for rare genetic disorders, particularly those that lead to life-threatening metabolic conditions. The company’s primary product candidate, setmelanotide, is a first-in-class melanocortin-4 receptor agonist currently undergoing Phase III clinical trials for the treatment of obesity related to pro-opiomelanocortin (POMC) and leptin receptor deficiencies, as well as Bardet-Biedl and Alström syndromes. Additionally, it is in Phase II trials for various other genetic obesity disorders. Rhythm Pharmaceuticals is also advancing RM-853, an orally available ghrelin o-acyltransferase inhibitor in preclinical development aimed at addressing Prader-Willi syndrome. Founded in 2008 and based in Boston, Massachusetts, the company previously operated under the name Rhythm Metabolic, Inc. and rebranded in October 2015.

Cibiem

Series A in 2012
Cibiem Inc. is a medical device manufacturer specializing in Carotid Body Modulation (CBM), which targets sympathetic nervous system-mediated diseases such as hypertension, heart failure, diabetes, and renal failure. Founded in 2010 and based in Los Altos, California, with an additional office in Teaneck, New Jersey, Cibiem utilizes a proprietary, minimally invasive, catheter-based approach to deliver its treatments. The company was co-founded by Mark Gelfand and Howard R. Levin, M.D., who bring a wealth of experience in medical innovation and entrepreneurship. Cibiem aims to enhance the efficacy of medical interventions for serious health conditions, thereby improving patient outcomes in the treatment of these critical disorders.
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