Imbria Pharmaceuticals
Series B in 2025
Imbria Pharmaceuticals, founded in 2018 and headquartered in Boston, Massachusetts, is a clinical-stage biopharmaceutical company dedicated to developing innovative therapies targeting cardiometabolic disorders. The company focuses on understanding the underlying mechanisms of these diseases, particularly energetic impairment at the cellular level, to inform its therapeutic candidates. Imbria's pipeline aims to improve the lives of patients suffering from conditions such as non-obstructive hypertrophic cardiomyopathy, stable angina, and heart failure with preserved ejection fraction by restoring or enhancing cellular energy production.
Vaxess Technologies
Venture Round in 2025
Vaxess Technologies is a biotechnology company focused on silk biomaterial platforms for vaccine and therapeutic delivery. It develops the MIMIX microneedle patch for transdermal, sustained-release delivery of vaccines and therapies, designed to improve stability and ease of use, including formulations that do not require cold chain storage. The MATRIX formulation and drying platform supports thermostable vaccine, therapeutic, and diagnostic products. The company aims to enable long-term immune responses and easier distribution, including in low-resource settings. Its technology supports oncology and infectious disease applications, including therapies that promote durable anti-tumor immunity and improved treatment outcomes. Founded in 2011 and based in Boston, the company positions its platforms to enable stable, targeted delivery and potentially reduce treatment burden for patients.
Solid Biosciences
Post in 2025
Solid Biosciences Inc. is a life science company focused on developing therapies for Duchenne muscular dystrophy (DMD), a genetic muscle-wasting disease primarily affecting boys. The company's lead product candidate, SGT-001, is a gene transfer therapy currently undergoing a Phase I/II clinical trial aimed at restoring functional dystrophin protein expression in patients' muscles. In addition to SGT-001, Solid Biosciences is advancing the Anti-LTBP4 program, which involves a monoclonal antibody designed to reduce fibrosis and inflammation by targeting the LTBP4 protein. The company also develops biomarkers and sensors, as well as the Solid Suit program, which focuses on creating wearable assistive devices with functional and therapeutic benefits. Founded in 2013 and headquartered in Cambridge, Massachusetts, Solid Biosciences has established a strategic collaboration with Ultragenyx to enhance gene therapy development for DMD. With no current cure for DMD, the company aims to provide innovative solutions for a condition that affects an estimated 10,000 to 15,000 cases in the United States.
Abcuro develops immunotherapies targeting autoimmunity and cancer. Founded in 2015, the company uses bioinformatics and ex-vivo validation to uncover novel immune system targets.
Be Biopharma
Series C in 2025
Founded in 2020, Be Biopharma specializes in developing innovative therapeutics using engineered B-cells to treat diseases such as cancer, autoimmune disorders, and infectious diseases. Its approach aims to overcome limitations of current cell and gene therapies.
Vor Biopharma
Post in 2024
Vor Biopharma develops innovative cancer therapies focused on engineered hematopoietic stem cells (eHSCs). Its lead product candidate, VOR33, is designed to treat acute myeloid leukemia by generating healthy cells resistant to targeted immunotherapies. Incorporated in 2015, the company is based in Cambridge, Massachusetts.
Be Biopharma
Venture Round in 2024
Founded in 2020, Be Biopharma specializes in developing innovative therapeutics using engineered B-cells to treat diseases such as cancer, autoimmune disorders, and infectious diseases. Its approach aims to overcome limitations of current cell and gene therapies.
Elektrofi
Series C in 2024
Founded in Boston in 2016, Elektrofi is a preclinical-stage company focused on revolutionizing drug delivery. Its proprietary formulation system can efficiently process a wide range of therapeutic molecules, including large and complex proteins like monoclonal antibodies.
Eliem Therapeutics
Post in 2024
Eliem Therapeutics is a clinical-stage biotechnology company focused on developing treatments for nervous system disorders driven by neuronal hyperexcitability. It leverages neuroscience and translational medicine to advance analgesics and other therapies for conditions such as chronic pain, aiming to deliver best-in-class drug candidates that alleviate suffering and improve function. Founded in 2018 and based in Boston, Eliem concentrates on translating scientific insights into clinical solutions to address unmet medical needs in hyperexcitability disorders.
Vaxess Technologies
Venture Round in 2024
Vaxess Technologies is a biotechnology company focused on silk biomaterial platforms for vaccine and therapeutic delivery. It develops the MIMIX microneedle patch for transdermal, sustained-release delivery of vaccines and therapies, designed to improve stability and ease of use, including formulations that do not require cold chain storage. The MATRIX formulation and drying platform supports thermostable vaccine, therapeutic, and diagnostic products. The company aims to enable long-term immune responses and easier distribution, including in low-resource settings. Its technology supports oncology and infectious disease applications, including therapies that promote durable anti-tumor immunity and improved treatment outcomes. Founded in 2011 and based in Boston, the company positions its platforms to enable stable, targeted delivery and potentially reduce treatment burden for patients.
Eliem Therapeutics
Post in 2024
Eliem Therapeutics is a clinical-stage biotechnology company focused on developing treatments for nervous system disorders driven by neuronal hyperexcitability. It leverages neuroscience and translational medicine to advance analgesics and other therapies for conditions such as chronic pain, aiming to deliver best-in-class drug candidates that alleviate suffering and improve function. Founded in 2018 and based in Boston, Eliem concentrates on translating scientific insights into clinical solutions to address unmet medical needs in hyperexcitability disorders.
SeLux Diagnostics
Venture Round in 2024
SeLux Diagnostics, Inc. is a biotechnology company based in Charlestown, Massachusetts, focused on developing a next-generation phenotyping platform for antibiotic susceptibility testing and diagnostics of infectious diseases. Established in 2014, the company utilizes synthetic amplifier technology to enhance the speed and complexity of antibiotic susceptibility testing, thereby significantly improving patient care. By facilitating the rapid selection of personalized antimicrobial therapies, SeLux aims to transform the management of infectious diseases, ultimately saving lives, reducing hospital stays, and combating the growing issue of antibiotic resistance through more targeted treatments.
Astria Therapeutics
Post in 2024
Astria Therapeutics is a biopharmaceutical company focused on developing therapies for rare and niche allergic and immunological diseases. It is advancing monoclonal antibody programs such as STAR-0215, a plasma kallikrein inhibitor being developed for hereditary angioedema, and STAR-0310, an OX40 antagonist for atopic dermatitis, both in preclinical development to address immune-mediated inflammatory conditions.
Solid Biosciences
Post in 2024
Solid Biosciences Inc. is a life science company focused on developing therapies for Duchenne muscular dystrophy (DMD), a genetic muscle-wasting disease primarily affecting boys. The company's lead product candidate, SGT-001, is a gene transfer therapy currently undergoing a Phase I/II clinical trial aimed at restoring functional dystrophin protein expression in patients' muscles. In addition to SGT-001, Solid Biosciences is advancing the Anti-LTBP4 program, which involves a monoclonal antibody designed to reduce fibrosis and inflammation by targeting the LTBP4 protein. The company also develops biomarkers and sensors, as well as the Solid Suit program, which focuses on creating wearable assistive devices with functional and therapeutic benefits. Founded in 2013 and headquartered in Cambridge, Massachusetts, Solid Biosciences has established a strategic collaboration with Ultragenyx to enhance gene therapy development for DMD. With no current cure for DMD, the company aims to provide innovative solutions for a condition that affects an estimated 10,000 to 15,000 cases in the United States.
Arvinas, Inc. is a clinical-stage biopharmaceutical company based in New Haven, Connecticut, that specializes in the discovery, development, and commercialization of innovative therapies aimed at degrading disease-causing proteins. The company's lead product candidates include ARV-110, a proteolysis targeting chimera (PROTAC) currently in phase I clinical trials for metastatic castration-resistant prostate cancer, and ARV-471, which targets the estrogen receptor for patients with metastatic ER-positive/HER2-negative breast cancer. In addition to these, Arvinas is developing various other PROTACs aimed at degrading clinically relevant androgen receptor mutations and treatments for neurodegenerative diseases, including tauopathies. The company has established collaborations with prominent pharmaceutical firms such as Pfizer Inc., Genentech, and Bayer AG, enhancing its research capabilities and reach within the biopharmaceutical landscape. Founded in 2015, Arvinas aims to improve patient outcomes by eliminating harmful proteins from the body through its proprietary technology.
AM Batteries
Series B in 2023
Founded in 2016, AM Batteries specializes in the manufacture of Li-ion batteries using solvent-free electrode technology. This innovative approach aims to enhance energy efficiency, enable faster charging, and reduce production costs.
SAb Biotherapeutics
Post in 2023
SAB Biotherapeutics is a clinical-stage biopharmaceutical company established in 2014, headquartered in Sioux Falls, South Dakota with additional offices in Cambridge, Massachusetts. The company specializes in developing immunotherapies using its proprietary DiversitAb platform, which employs transchromosomic cattle to produce large quantities of targeted human polyclonal antibodies without relying on human plasma or serum. SAB's pipeline includes therapies for conditions such as Type 1 diabetes (SAB-142), seasonal influenza (SAB-176), and Middle East Respiratory Syndrome Coronavirus (MERS-CoV, SAB-301).
Vaxess Technologies
Venture Round in 2023
Vaxess Technologies is a biotechnology company focused on silk biomaterial platforms for vaccine and therapeutic delivery. It develops the MIMIX microneedle patch for transdermal, sustained-release delivery of vaccines and therapies, designed to improve stability and ease of use, including formulations that do not require cold chain storage. The MATRIX formulation and drying platform supports thermostable vaccine, therapeutic, and diagnostic products. The company aims to enable long-term immune responses and easier distribution, including in low-resource settings. Its technology supports oncology and infectious disease applications, including therapies that promote durable anti-tumor immunity and improved treatment outcomes. Founded in 2011 and based in Boston, the company positions its platforms to enable stable, targeted delivery and potentially reduce treatment burden for patients.
Nimbus Therapeutics
Private Equity Round in 2023
Nimbus Therapeutics, LLC is a biotechnology company based in Cambridge, Massachusetts, focused on discovering and developing innovative medicines for serious diseases, including metabolic disorders, cancer, and immune-inflammatory conditions. Founded in 2009, the company utilizes a computational technology-driven approach to advance a pipeline of novel small-molecule therapeutics. Nimbus Therapeutics specializes in designing allosteric inhibitors, notably targeting Acetyl-CoA Carboxylase for conditions such as non-alcoholic steatohepatitis and hepatocellular carcinoma. The company has established strategic partnerships with organizations like Charles River Laboratories and Celgene Corporation to enhance its drug development efforts. In March 2015, Nimbus Discovery rebranded itself as Nimbus Therapeutics to better reflect its transition into a clinical-stage enterprise.
Abcuro develops immunotherapies targeting autoimmunity and cancer. Founded in 2015, the company uses bioinformatics and ex-vivo validation to uncover novel immune system targets.
Vaxess Technologies
Series B in 2023
Vaxess Technologies is a biotechnology company focused on silk biomaterial platforms for vaccine and therapeutic delivery. It develops the MIMIX microneedle patch for transdermal, sustained-release delivery of vaccines and therapies, designed to improve stability and ease of use, including formulations that do not require cold chain storage. The MATRIX formulation and drying platform supports thermostable vaccine, therapeutic, and diagnostic products. The company aims to enable long-term immune responses and easier distribution, including in low-resource settings. Its technology supports oncology and infectious disease applications, including therapies that promote durable anti-tumor immunity and improved treatment outcomes. Founded in 2011 and based in Boston, the company positions its platforms to enable stable, targeted delivery and potentially reduce treatment burden for patients.
Vor Biopharma
Post in 2022
Vor Biopharma develops innovative cancer therapies focused on engineered hematopoietic stem cells (eHSCs). Its lead product candidate, VOR33, is designed to treat acute myeloid leukemia by generating healthy cells resistant to targeted immunotherapies. Incorporated in 2015, the company is based in Cambridge, Massachusetts.
Jnana Therapeutics
Series C in 2022
Jnana Therapeutics Inc. is a biotechnology company based in Boston, Massachusetts, founded in 2016. It specializes in drug discovery, particularly focusing on solute carrier (SLC) transporters, which are vital for understanding various disease pathways. The company’s efforts are directed towards immunometabolism, lysosomal function, and mucosal defense, with applications in immuno-oncology, inflammatory disorders, and neurological diseases. Utilizing its proprietary RAPID platform, Jnana accelerates the identification of therapeutic targets and the development of small molecule therapies. By leveraging advanced chemoproteomics techniques, the company aims to enhance the efficiency of drug discovery and address significant unmet medical needs in patient care.
Vaxess Technologies
Series B in 2022
Vaxess Technologies is a biotechnology company focused on silk biomaterial platforms for vaccine and therapeutic delivery. It develops the MIMIX microneedle patch for transdermal, sustained-release delivery of vaccines and therapies, designed to improve stability and ease of use, including formulations that do not require cold chain storage. The MATRIX formulation and drying platform supports thermostable vaccine, therapeutic, and diagnostic products. The company aims to enable long-term immune responses and easier distribution, including in low-resource settings. Its technology supports oncology and infectious disease applications, including therapies that promote durable anti-tumor immunity and improved treatment outcomes. Founded in 2011 and based in Boston, the company positions its platforms to enable stable, targeted delivery and potentially reduce treatment burden for patients.
Solid Biosciences
Post in 2022
Solid Biosciences Inc. is a life science company focused on developing therapies for Duchenne muscular dystrophy (DMD), a genetic muscle-wasting disease primarily affecting boys. The company's lead product candidate, SGT-001, is a gene transfer therapy currently undergoing a Phase I/II clinical trial aimed at restoring functional dystrophin protein expression in patients' muscles. In addition to SGT-001, Solid Biosciences is advancing the Anti-LTBP4 program, which involves a monoclonal antibody designed to reduce fibrosis and inflammation by targeting the LTBP4 protein. The company also develops biomarkers and sensors, as well as the Solid Suit program, which focuses on creating wearable assistive devices with functional and therapeutic benefits. Founded in 2013 and headquartered in Cambridge, Massachusetts, Solid Biosciences has established a strategic collaboration with Ultragenyx to enhance gene therapy development for DMD. With no current cure for DMD, the company aims to provide innovative solutions for a condition that affects an estimated 10,000 to 15,000 cases in the United States.
Nimbus Therapeutics
Venture Round in 2022
Nimbus Therapeutics, LLC is a biotechnology company based in Cambridge, Massachusetts, focused on discovering and developing innovative medicines for serious diseases, including metabolic disorders, cancer, and immune-inflammatory conditions. Founded in 2009, the company utilizes a computational technology-driven approach to advance a pipeline of novel small-molecule therapeutics. Nimbus Therapeutics specializes in designing allosteric inhibitors, notably targeting Acetyl-CoA Carboxylase for conditions such as non-alcoholic steatohepatitis and hepatocellular carcinoma. The company has established strategic partnerships with organizations like Charles River Laboratories and Celgene Corporation to enhance its drug development efforts. In March 2015, Nimbus Discovery rebranded itself as Nimbus Therapeutics to better reflect its transition into a clinical-stage enterprise.
Empatica
Venture Round in 2022
Empatica Inc. is a Cambridge, Massachusetts-based company that specializes in the development of wearable medical sensor devices aimed at health monitoring, forecasting, treatment, and research. Founded in 2013, Empatica creates AI-enabled wearables, including the E3 wristband, which monitors physiological signals in real time, along with accompanying software applications and web dashboards for stress and sleep analysis. The company's technology employs a combination of biosensors to capture and analyze unique aspects of human physiology, offering valuable insights to patients, clinicians, and researchers. Notable clients include Microsoft Research, Sony, University of Trento, and Intel, highlighting the company's impact in the field of health technology.
Concert Pharmaceuticals
Post in 2022
Concert Pharmaceuticals is a clinical‑stage biopharmaceutical company headquartered in Lexington, Massachusetts, founded in 2006. The company develops small‑molecule therapies for autoimmune and central nervous system disorders using a precision deuterium chemistry platform that modifies drug molecules to improve efficacy, safety, and reduce development risk. Its pipeline includes CTP‑543, a Phase III candidate for alopecia areata; CTP‑692, a Phase II candidate for schizophrenia; and AVP‑786, a Phase III combination therapy for neurologic and psychiatric conditions such as agitation in Alzheimer’s disease. Concert collaborates with Avanir, Cipla Technologies, Processa, and Jazz Pharmaceuticals to advance its candidates. The firm focuses on orally administered agents and repurposed drugs for conditions including cystic fibrosis, inflammation, narcolepsy, residual schizophrenia, major depressive disorder, and Alzheimer’s agitation.
Be Biopharma
Series B in 2022
Founded in 2020, Be Biopharma specializes in developing innovative therapeutics using engineered B-cells to treat diseases such as cancer, autoimmune disorders, and infectious diseases. Its approach aims to overcome limitations of current cell and gene therapies.
SeLux Diagnostics
Series C in 2022
SeLux Diagnostics, Inc. is a biotechnology company based in Charlestown, Massachusetts, focused on developing a next-generation phenotyping platform for antibiotic susceptibility testing and diagnostics of infectious diseases. Established in 2014, the company utilizes synthetic amplifier technology to enhance the speed and complexity of antibiotic susceptibility testing, thereby significantly improving patient care. By facilitating the rapid selection of personalized antimicrobial therapies, SeLux aims to transform the management of infectious diseases, ultimately saving lives, reducing hospital stays, and combating the growing issue of antibiotic resistance through more targeted treatments.
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.
Delix Therapeutics
Series A in 2021
Delix Therapeutics is a neuroscience company focused on harnessing the power of psychoplastogens—novel neuroplasticity-promoting therapeutics—to better treat mental health disorders at scale.
The company was founded in 2019 and is headquartered in Boston, Massachusetts.
HilleVax
Venture Round in 2021
HilleVax is a clinical-stage biopharmaceutical company headquartered in Boston, Massachusetts, founded in 2021. The company specializes in the development and commercialization of innovative vaccines. Its primary focus is on HIL-214, a virus-like particle (VLP) based vaccine candidate aimed at preventing moderate-to-severe acute gastroenteritis (AGE) caused by norovirus infection. HilleVax is dedicated to addressing significant public health challenges through its vaccine initiatives.
Jnana Therapeutics
Series B in 2021
Jnana Therapeutics Inc. is a biotechnology company based in Boston, Massachusetts, founded in 2016. It specializes in drug discovery, particularly focusing on solute carrier (SLC) transporters, which are vital for understanding various disease pathways. The company’s efforts are directed towards immunometabolism, lysosomal function, and mucosal defense, with applications in immuno-oncology, inflammatory disorders, and neurological diseases. Utilizing its proprietary RAPID platform, Jnana accelerates the identification of therapeutic targets and the development of small molecule therapies. By leveraging advanced chemoproteomics techniques, the company aims to enhance the efficiency of drug discovery and address significant unmet medical needs in patient care.
GentiBio, Inc. is a biotherapeutics company that specializes in developing engineered regulatory T cells, known as EngTregs, aimed at treating autoimmune, alloimmune, autoinflammatory, and allergic diseases. Founded in 2020 and headquartered in Boston, Massachusetts, with additional locations in Israel and Seattle, Washington, GentiBio employs a proprietary platform that combines autologous and allogeneic technologies. This platform enhances the ability to restore immune tolerance and addresses significant limitations found in existing regulatory T-cell therapeutics. By focusing on the underlying mechanisms of immune system disorders, GentiBio aims to provide innovative therapeutic solutions that tackle the root causes of diseases caused by dysregulated immune responses. The company is co-founded by experts in Treg biology and synthetic immunology, positioning it at the forefront of advanced immunotherapy development.
Tango Therapeutics
Post in 2021
Tango Therapeutics is a biotechnology company focused on developing cancer therapies based on the genetic principle of synthetic lethality. It aims to counteract tumor suppressor gene loss, reverse immune evasion in cancer cells, and identify effective drug combinations.
Nimbus Therapeutics
Venture Round in 2021
Nimbus Therapeutics, LLC is a biotechnology company based in Cambridge, Massachusetts, focused on discovering and developing innovative medicines for serious diseases, including metabolic disorders, cancer, and immune-inflammatory conditions. Founded in 2009, the company utilizes a computational technology-driven approach to advance a pipeline of novel small-molecule therapeutics. Nimbus Therapeutics specializes in designing allosteric inhibitors, notably targeting Acetyl-CoA Carboxylase for conditions such as non-alcoholic steatohepatitis and hepatocellular carcinoma. The company has established strategic partnerships with organizations like Charles River Laboratories and Celgene Corporation to enhance its drug development efforts. In March 2015, Nimbus Discovery rebranded itself as Nimbus Therapeutics to better reflect its transition into a clinical-stage enterprise.
Eliem Therapeutics
Series B in 2021
Eliem Therapeutics is a clinical-stage biotechnology company focused on developing treatments for nervous system disorders driven by neuronal hyperexcitability. It leverages neuroscience and translational medicine to advance analgesics and other therapies for conditions such as chronic pain, aiming to deliver best-in-class drug candidates that alleviate suffering and improve function. Founded in 2018 and based in Boston, Eliem concentrates on translating scientific insights into clinical solutions to address unmet medical needs in hyperexcitability disorders.
Affinia Therapeutics
Series B in 2021
Affinia Therapeutics develops adeno-associated virus (AAV) gene therapies for muscular and central nervous system diseases. The company uses an AAV vector design platform built on synthetic and systems biology, high-throughput screening, and tissue- and single-cell-resolution analyses to create vectors with improved properties. It leverages sequencing, artificial intelligence, and structural modeling to enable rational design of therapies. Headquartered in Waltham, Massachusetts, Affinia Therapeutics was founded in 2019 and targets diseases with significant unmet needs in muscle and CNS.
Pyxis Oncology
Series B in 2021
Pyxis Oncology, established in 2019 in Boston, Massachusetts, is a biotechnology company specializing in the development of antibody therapeutics for cancer treatment. The company focuses on promoting the body's immune response to cancer by analyzing tumor antigen-specific tumor-infiltrating lymphocytes (TILs) within hot tumors and tumor cell signaling pathways within cold tumors. Pyxis aims to create novel antibody-based immunotherapies to directly kill tumor cells and address underlying pathologies that enable cancer proliferation and immune evasion, with the goal of improving patient outcomes for difficult-to-treat cancers.
Eliem Therapeutics
Series A in 2021
Eliem Therapeutics is a clinical-stage biotechnology company focused on developing treatments for nervous system disorders driven by neuronal hyperexcitability. It leverages neuroscience and translational medicine to advance analgesics and other therapies for conditions such as chronic pain, aiming to deliver best-in-class drug candidates that alleviate suffering and improve function. Founded in 2018 and based in Boston, Eliem concentrates on translating scientific insights into clinical solutions to address unmet medical needs in hyperexcitability disorders.
Xilio Therapeutics
Series C in 2021
Xilio Therapeutics is a clinical-stage biotechnology company focused on developing innovative immunotherapies to enhance the immune system's ability to combat cancer. The company specializes in tumor-selective immunotherapies, utilizing its proprietary technology to maximize the effectiveness of immuno-oncology treatments while minimizing side effects outside the tumor. Among its key products is XTX201, which aims to induce immune activity directly within tumors, demonstrating improved antitumor effects. Founded in 2015 and based in Waltham, Massachusetts, Xilio Therapeutics was previously known as Akrevia Therapeutics until its rebranding in March 2020. The company is dedicated to advancing a pipeline of novel immuno-oncology molecules, including tumor-activated cytokines and antibodies, with the goal of significantly improving patient outcomes in cancer treatment.
Cyteir Therapeutics
Series C in 2021
Cyteir Therapeutics, Inc. is a clinical-stage biotechnology company dedicated to developing innovative therapies based on DNA repair biology for cancer treatment and synthetic lethality in autoimmune diseases. Founded in 2012 and headquartered in Lexington, Massachusetts, the company focuses on precision targeting of critical DNA repair factors to induce self-destruction in diseased cells through an overload of DNA damage. Cyteir employs an integrated drug development platform that addresses the imbalance between DNA damage and repair, resulting in a pipeline of small molecule therapeutics aimed at various disease states, including hematological malignancies, solid tumors, and chronic autoimmune disorders. Its lead compound, CYT-0851, is an oral investigational drug designed to inhibit RAD51-mediated homologous recombination, targeting specific vulnerabilities in cancer cells.
TScan Therapeutics
Series C in 2021
TScan Therapeutics, Inc. is a biopharmaceutical company dedicated to discovering and developing T cell receptor (TCR) engineered T cell therapies for cancer treatment. Its primary focus is on liquid tumors, with lead therapy candidates TSC-100 and TSC-101 aimed at addressing hematologic malignancies by targeting residual leukemia and preventing relapse following hematopoietic stem cell transplantation. In addition to its liquid tumor programs, TScan is advancing multiplexed TCR-T therapy candidates to tackle various solid tumors. The company employs a unique platform that identifies previously uncharacterized shared T cell antigens and assesses off-target TCR interactions, which supports the creation of TCR-T therapies with reduced off-target effects. Founded in 2018 and headquartered in Waltham, Massachusetts, TScan Therapeutics aims to transform cancer treatment through innovative T cell therapies.
Verve Therapeutics
Series B in 2021
Verve Therapeutics is a biotechnology company developing genetic medicines for cardiovascular disease, aiming to transform treatment from chronic management to single-course gene editing therapies. It leverages human genetics analysis and gene-editing technology, with expertise in cardiovascular medicine, human genetics, gene editing, delivery technologies, drug development, and commercialization.
Werewolf Therapeutics
Series B in 2021
Werewolf Therapeutics, Inc. is a biotechnology company based in Cambridge, Massachusetts, focused on developing innovative receptor agonists for cancer immunotherapy. Founded in 2017, the company is dedicated to creating therapeutics that stimulate the body’s immune system to combat cancer. Utilizing its proprietary PREDATOR platform, Werewolf designs conditionally activated molecules known as INDUKINE, which are engineered to remain inactive in peripheral tissues while selectively activating within the tumor microenvironment. This approach aims to overcome the limitations of traditional proinflammatory immune therapies, enhancing both adaptive and innate immunity to improve cancer treatment outcomes.
Abcuro develops immunotherapies targeting autoimmunity and cancer. Founded in 2015, the company uses bioinformatics and ex-vivo validation to uncover novel immune system targets.
Solid Biosciences
Post in 2020
Solid Biosciences Inc. is a life science company focused on developing therapies for Duchenne muscular dystrophy (DMD), a genetic muscle-wasting disease primarily affecting boys. The company's lead product candidate, SGT-001, is a gene transfer therapy currently undergoing a Phase I/II clinical trial aimed at restoring functional dystrophin protein expression in patients' muscles. In addition to SGT-001, Solid Biosciences is advancing the Anti-LTBP4 program, which involves a monoclonal antibody designed to reduce fibrosis and inflammation by targeting the LTBP4 protein. The company also develops biomarkers and sensors, as well as the Solid Suit program, which focuses on creating wearable assistive devices with functional and therapeutic benefits. Founded in 2013 and headquartered in Cambridge, Massachusetts, Solid Biosciences has established a strategic collaboration with Ultragenyx to enhance gene therapy development for DMD. With no current cure for DMD, the company aims to provide innovative solutions for a condition that affects an estimated 10,000 to 15,000 cases in the United States.
Be Biopharma
Series A in 2020
Founded in 2020, Be Biopharma specializes in developing innovative therapeutics using engineered B-cells to treat diseases such as cancer, autoimmune disorders, and infectious diseases. Its approach aims to overcome limitations of current cell and gene therapies.
Nimbus Therapeutics
Venture Round in 2020
Nimbus Therapeutics, LLC is a biotechnology company based in Cambridge, Massachusetts, focused on discovering and developing innovative medicines for serious diseases, including metabolic disorders, cancer, and immune-inflammatory conditions. Founded in 2009, the company utilizes a computational technology-driven approach to advance a pipeline of novel small-molecule therapeutics. Nimbus Therapeutics specializes in designing allosteric inhibitors, notably targeting Acetyl-CoA Carboxylase for conditions such as non-alcoholic steatohepatitis and hepatocellular carcinoma. The company has established strategic partnerships with organizations like Charles River Laboratories and Celgene Corporation to enhance its drug development efforts. In March 2015, Nimbus Discovery rebranded itself as Nimbus Therapeutics to better reflect its transition into a clinical-stage enterprise.
GentiBio
Seed Round in 2020
GentiBio, Inc. is a biotherapeutics company that specializes in developing engineered regulatory T cells, known as EngTregs, aimed at treating autoimmune, alloimmune, autoinflammatory, and allergic diseases. Founded in 2020 and headquartered in Boston, Massachusetts, with additional locations in Israel and Seattle, Washington, GentiBio employs a proprietary platform that combines autologous and allogeneic technologies. This platform enhances the ability to restore immune tolerance and addresses significant limitations found in existing regulatory T-cell therapeutics. By focusing on the underlying mechanisms of immune system disorders, GentiBio aims to provide innovative therapeutic solutions that tackle the root causes of diseases caused by dysregulated immune responses. The company is co-founded by experts in Treg biology and synthetic immunology, positioning it at the forefront of advanced immunotherapy development.
Cerevel Therapeutics
Post in 2020
Cerevel Therapeutics is a clinical-stage biopharmaceutical company focused on developing innovative therapies for neuroscience diseases. Founded in 2018 and headquartered in Cambridge, Massachusetts, the company is advancing a diverse pipeline that includes five clinical-stage investigational therapies and several preclinical compounds targeting conditions such as schizophrenia, epilepsy, Parkinson's disease, and substance use disorder. Key products under development include CVL-231, a positive allosteric modulator for schizophrenia; CVL-865, which is being tested for drug-resistant focal onset epilepsy and acute anxiety; and Tavapadon, a selective dopamine D1/D5 partial agonist for Parkinson's disease. Cerevel Therapeutics employs a unique approach that leverages expertise in neurocircuitry and receptor selectivity to address unmet medical needs in the field of neuroscience.
Vor Biopharma
Series B in 2020
Vor Biopharma develops innovative cancer therapies focused on engineered hematopoietic stem cells (eHSCs). Its lead product candidate, VOR33, is designed to treat acute myeloid leukemia by generating healthy cells resistant to targeted immunotherapies. Incorporated in 2015, the company is based in Cambridge, Massachusetts.
C4 Therapeutics
Series B in 2020
C4 Therapeutics is a biopharmaceutical company developing targeted protein degradation therapies using its proprietary Degronimid platform. This platform enables the selective destruction of disease-causing proteins, expanding the scope of treatable conditions and potentially reducing drug resistance. The company focuses on oncology indications and has strategic collaborations with industry leaders.
Atea Pharmaceuticals
Series D in 2020
Atea Pharmaceuticals is a clinical-stage biopharmaceutical company based in Boston, Massachusetts, focused on discovering and developing next-generation antiviral therapeutics for severe viral diseases. The company's lead candidate, AT-527, is an antiviral agent currently undergoing phase 3 clinical trials for the treatment of COVID-19, caused by the SARS-CoV-2 virus. Additionally, Atea is advancing several candidates in clinical trials, including AT-787 for hepatitis C and AT-752 for dengue, both in phase 2 trials. The company aims to provide innovative treatments for infections caused by RNA and DNA viruses, improving outcomes for patients suffering from serious viral infections. Atea Pharmaceuticals was incorporated in 2012.
Pandion Therapeutics
Series B in 2020
Pandion Therapeutics, Inc. is a clinical-stage biopharmaceutical company based in Watertown, Massachusetts, focused on developing innovative therapeutics for patients with autoimmune diseases. The company’s lead product candidate, PT101, is an engineered interleukin-2 variant currently undergoing Phase 1a clinical trials for various autoimmune and inflammatory conditions, including moderate-to-severe ulcerative colitis and systemic lupus erythematosus. In addition to PT101, Pandion's pipeline includes PT627, a systemic PD-1 agonist in preclinical studies, and two bifunctional molecules, PT001 and PT002, designed to provide tissue-selective immunomodulation by targeting specific adhesion molecules in the gastrointestinal tract. Pandion employs a network-based approach to immune system conceptualization through its TALON drug design platform and collaborates with Astellas Pharma to develop locally acting immunomodulators for pancreatic autoimmune diseases. The company aims to create a new generation of therapeutics that offer enhanced efficacy and safety for the treatment of autoimmune and inflammatory diseases.
Akouos is a biotechnology company focused on precision genetic medicine to restore and preserve hearing. Based in Boston, it develops gene therapies using a proprietary adeno-associated viral vector platform and delivery approaches to treat sensorineural hearing loss in genetically defined populations. The company's lead program, AK-OTOF, targets hearing loss caused by mutations in the OTOF gene. Akouos pursues research and development across gene-based interventions aimed at improving auditory function and long-term sensory outcomes. It has collaborations with academic and industry partners, including Massachusetts Eye and Ear and Lonza, to advance discovery and manufacturing capabilities. Founded in 2016, Akouos addresses unmet clinical needs in auditory health by seeking to restore physiologic hearing through targeted genetic therapies.
Quench Bio
Series A in 2020
Quench Bio, Inc. is a biotechnology company based in Cambridge, Massachusetts, focused on developing therapies for inflammatory diseases by targeting gasdermin proteins. The company specializes in gasdermin biology and innate immunity to create innovative medicines. Its lead compounds specifically target and inhibit Gasdermin D, a key protein involved in pyroptosis and NETosis pathways, which play significant roles in the release of inflammatory cytokines, alarmins, DNA, and neutrophil extracellular traps (NETs). Established in 2018 and previously known as Project Pyro, Quench Bio aims to provide effective treatments that alleviate the symptoms of severe inflammatory conditions.
Aerovate Therapeutics
Seed Round in 2020
Aerovate Therapeutics, founded in 2018 and headquartered in Boston, Massachusetts, is a biotechnology company dedicated to improving the lives of patients with rare cardiopulmonary diseases. Its primary focus is AV-101, an inhaled dry powder formulation of imatinib, designed to deliver medication directly to affected lung tissues while minimizing systemic side effects. This innovative approach aims to treat pulmonary arterial hypertension (PAH), a severe and progressive disease.
Covid Apollo
Seed Round in 2020
Covid Apollo is a venture capital firm founded in 2020 and headquartered in Boston, Massachusetts. The firm focuses on investments in biotechnology and life science companies, with a particular emphasis on diagnostics. It partners with life‑science investment funds to identify, scale, and commercialize COVID‑19 testing solutions.
Forma Therapeutics
Series D in 2019
Forma Therapeutics, headquartered in Watertown, Massachusetts, is a clinical-stage biopharmaceutical company focused on developing and commercializing innovative therapeutics for rare hematologic diseases and various cancers. The company is advancing several key product candidates, including FT-4202, currently in Phase 1 trials for sickle cell disease and other hemoglobinopathies, and FT-7051, targeting metastatic castration-resistant prostate cancer. Additionally, Forma is developing FT-2102, a selective small molecule designed to inhibit mutated IDH1 enzymes, which is being evaluated in Phase 2 trials for relapsed/refractory acute myeloid leukemia and in exploratory trials for glioma. Other candidates include FT-4101 and FT-8225, selective inhibitors of fatty acid synthase. The firm integrates advanced drug discovery technologies with deep oncology expertise to address challenging targets, contributing to a robust pipeline aimed at transforming patient outcomes in oncology.
Black Diamond Therapeutics
Series C in 2019
Black Diamond Therapeutics discovers and develops small molecule therapies for precision oncology. It focuses on allosteric mutations in kinases related to cancer, with a lead product candidate targeting non-canonical ErbB kinase mutations.
Solid Biosciences
Post in 2019
Solid Biosciences Inc. is a life science company focused on developing therapies for Duchenne muscular dystrophy (DMD), a genetic muscle-wasting disease primarily affecting boys. The company's lead product candidate, SGT-001, is a gene transfer therapy currently undergoing a Phase I/II clinical trial aimed at restoring functional dystrophin protein expression in patients' muscles. In addition to SGT-001, Solid Biosciences is advancing the Anti-LTBP4 program, which involves a monoclonal antibody designed to reduce fibrosis and inflammation by targeting the LTBP4 protein. The company also develops biomarkers and sensors, as well as the Solid Suit program, which focuses on creating wearable assistive devices with functional and therapeutic benefits. Founded in 2013 and headquartered in Cambridge, Massachusetts, Solid Biosciences has established a strategic collaboration with Ultragenyx to enhance gene therapy development for DMD. With no current cure for DMD, the company aims to provide innovative solutions for a condition that affects an estimated 10,000 to 15,000 cases in the United States.
Imara, Inc. is a clinical-stage biopharmaceutical company based in Boston, Massachusetts, that specializes in developing and commercializing therapeutics for patients with rare genetic disorders of hemoglobin. Founded in 2016, the company is advancing IMR-687, an oral, once-daily therapeutic designed to treat sickle cell disease and beta-thalassemia. IMR-687 is a highly selective small molecule inhibitor of PDE9, engineered to have a multimodal mechanism of action that impacts various cell types, including red blood cells and white blood cells, as well as adhesion mediators. Through its innovative approach, Imara aims to provide disease-modifying treatments for individuals affected by hemoglobinopathies.
Eliem Therapeutics
Venture Round in 2019
Eliem Therapeutics is a clinical-stage biotechnology company focused on developing treatments for nervous system disorders driven by neuronal hyperexcitability. It leverages neuroscience and translational medicine to advance analgesics and other therapies for conditions such as chronic pain, aiming to deliver best-in-class drug candidates that alleviate suffering and improve function. Founded in 2018 and based in Boston, Eliem concentrates on translating scientific insights into clinical solutions to address unmet medical needs in hyperexcitability disorders.
Vor Biopharma
Series A in 2019
Vor Biopharma develops innovative cancer therapies focused on engineered hematopoietic stem cells (eHSCs). Its lead product candidate, VOR33, is designed to treat acute myeloid leukemia by generating healthy cells resistant to targeted immunotherapies. Incorporated in 2015, the company is based in Cambridge, Massachusetts.
Black Diamond Therapeutics
Series B in 2019
Black Diamond Therapeutics discovers and develops small molecule therapies for precision oncology. It focuses on allosteric mutations in kinases related to cancer, with a lead product candidate targeting non-canonical ErbB kinase mutations.
Sojournix
Series C in 2019
Sojournix Inc., established in 2016 and headquartered in Waltham, Massachusetts, is a clinical-stage biopharmaceutical company dedicated to developing novel therapies for women's health and neuroendocrine disorders. Its primary focus is SJX-653, a selective neurokinin-3 (NK3) antagonist, designed as a non-hormonal treatment option for moderate to severe vasomotor symptoms associated with menopause.
SeLux Diagnostics
Series B in 2018
SeLux Diagnostics, Inc. is a biotechnology company based in Charlestown, Massachusetts, focused on developing a next-generation phenotyping platform for antibiotic susceptibility testing and diagnostics of infectious diseases. Established in 2014, the company utilizes synthetic amplifier technology to enhance the speed and complexity of antibiotic susceptibility testing, thereby significantly improving patient care. By facilitating the rapid selection of personalized antimicrobial therapies, SeLux aims to transform the management of infectious diseases, ultimately saving lives, reducing hospital stays, and combating the growing issue of antibiotic resistance through more targeted treatments.
Stoke Therapeutics
Series B in 2018
Stoke Therapeutics is a biopharmaceutical company developing novel antisense oligonucleotide medicines. These target RNA splicing to increase gene expression, aiming to treat severe genetic diseases. Its lead product candidate, STK-001, focuses on Dravet syndrome, a progressive genetic epilepsy.
Akouos is a biotechnology company focused on precision genetic medicine to restore and preserve hearing. Based in Boston, it develops gene therapies using a proprietary adeno-associated viral vector platform and delivery approaches to treat sensorineural hearing loss in genetically defined populations. The company's lead program, AK-OTOF, targets hearing loss caused by mutations in the OTOF gene. Akouos pursues research and development across gene-based interventions aimed at improving auditory function and long-term sensory outcomes. It has collaborations with academic and industry partners, including Massachusetts Eye and Ear and Lonza, to advance discovery and manufacturing capabilities. Founded in 2016, Akouos addresses unmet clinical needs in auditory health by seeking to restore physiologic hearing through targeted genetic therapies.
Imbria Pharmaceuticals
Seed Round in 2018
Imbria Pharmaceuticals, founded in 2018 and headquartered in Boston, Massachusetts, is a clinical-stage biopharmaceutical company dedicated to developing innovative therapies targeting cardiometabolic disorders. The company focuses on understanding the underlying mechanisms of these diseases, particularly energetic impairment at the cellular level, to inform its therapeutic candidates. Imbria's pipeline aims to improve the lives of patients suffering from conditions such as non-obstructive hypertrophic cardiomyopathy, stable angina, and heart failure with preserved ejection fraction by restoring or enhancing cellular energy production.
Arvinas, Inc. is a clinical-stage biopharmaceutical company based in New Haven, Connecticut, that specializes in the discovery, development, and commercialization of innovative therapies aimed at degrading disease-causing proteins. The company's lead product candidates include ARV-110, a proteolysis targeting chimera (PROTAC) currently in phase I clinical trials for metastatic castration-resistant prostate cancer, and ARV-471, which targets the estrogen receptor for patients with metastatic ER-positive/HER2-negative breast cancer. In addition to these, Arvinas is developing various other PROTACs aimed at degrading clinically relevant androgen receptor mutations and treatments for neurodegenerative diseases, including tauopathies. The company has established collaborations with prominent pharmaceutical firms such as Pfizer Inc., Genentech, and Bayer AG, enhancing its research capabilities and reach within the biopharmaceutical landscape. Founded in 2015, Arvinas aims to improve patient outcomes by eliminating harmful proteins from the body through its proprietary technology.
Lantos
Venture Round in 2018
Lantos Technologies, Inc., established in 2009 and headquartered in Derry, New Hampshire, specializes in developing advanced 3D digital ear scanning technology. The company offers the FDA-cleared AURA system, which captures comprehensive data from the outer ear to deep within the ear canal, enabling designers to create personalized in-ear devices with superior comfort and sound quality. This includes custom in-ear headphones, musicians' monitors, hearing aids, and noise protection solutions. Lantos' technology enhances clinical efficiency for audiologists by providing precise measurements, improving patient outcomes, and streamlining the process for faster turnaround times on custom devices.
Dyne Therapeutics
Seed Round in 2018
Dyne Therapeutics is a clinical-stage biotechnology company developing therapies for genetically driven neuromuscular diseases. It aims to deliver disease-modifying therapeutics to skeletal, cardiac, and smooth muscle, addressing conditions such as muscular dystrophies and other muscle disorders. The company uses the FORCE platform to create targeted therapeutics with payloads designed to address the disease gene, connected via a linker to an antigen-binding fragment, enabling delivery to muscle tissue and the central nervous system. Its pipeline includes DYNE-101, DYNE-251, DYNE-302, and DYNE-401. Headquartered in Waltham, Massachusetts.
TARIS Biomedical
Series B in 2017
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.
Solid Biosciences
Series C in 2017
Solid Biosciences Inc. is a life science company focused on developing therapies for Duchenne muscular dystrophy (DMD), a genetic muscle-wasting disease primarily affecting boys. The company's lead product candidate, SGT-001, is a gene transfer therapy currently undergoing a Phase I/II clinical trial aimed at restoring functional dystrophin protein expression in patients' muscles. In addition to SGT-001, Solid Biosciences is advancing the Anti-LTBP4 program, which involves a monoclonal antibody designed to reduce fibrosis and inflammation by targeting the LTBP4 protein. The company also develops biomarkers and sensors, as well as the Solid Suit program, which focuses on creating wearable assistive devices with functional and therapeutic benefits. Founded in 2013 and headquartered in Cambridge, Massachusetts, Solid Biosciences has established a strategic collaboration with Ultragenyx to enhance gene therapy development for DMD. With no current cure for DMD, the company aims to provide innovative solutions for a condition that affects an estimated 10,000 to 15,000 cases in the United States.
Dicerna Pharmaceuticals
Post in 2017
Dicerna Pharmaceuticals is a biopharmaceutical company that specializes in the discovery and development of RNA interference (RNAi)-based therapeutics. The company focuses on innovative treatments for rare inherited liver diseases, viral infections, chronic liver diseases, and cardiometabolic conditions. Utilizing its proprietary GalXC RNAi technology platform, Dicerna is advancing several key product candidates, including nedosiran for primary hyperoxaluria, RG6346 for chronic hepatitis B, and programs targeting genetic liver diseases and cardiovascular conditions. Founded in 2007 and headquartered in Lexington, Massachusetts, Dicerna has established strategic collaborations with major pharmaceutical firms to enhance its research and development efforts.
Spero Therapeutics
Series C in 2017
Spero Therapeutics is a clinical-stage biopharmaceutical company dedicated to developing novel treatments for multi-drug resistant bacterial infections and rare diseases. Its primary focus is on tebipenem pivoxil hydrobromide, an oral carbapenem-class antibiotic intended for adult use in treating MDR Gram-negative infections.
Intarcia Therapeutics
Series E in 2016
Intarcia Therapeutics, Inc. is a biopharmaceutical company focused on developing therapies for chronic conditions requiring long-term treatment. The company is known for its innovative drug delivery platform, DUROS, which stabilizes and administers therapeutic proteins and peptides effectively. Among its key products is ITCA 650, currently in phase 3 clinical trials for type 2 diabetes, designed to provide patients with continuous dosing of an incretin mimetic therapy. Intarcia also explores treatments for obesity and other chronic disorders. Established in 1995 and headquartered in Boston, Massachusetts, Intarcia operates a manufacturing facility in Hayward, California, and a research and development center in Durham, North Carolina. The company was previously known as BioMedicines, Inc. before adopting its current name in 2004.
Antera Therapeutics
Seed Round in 2016
Antera Therapeutics is a biotechnology company that specializes in creating therapies that will prevent allergy development in children. It helps families introduce peanuts into infants'​ diets in a structured and convenient way. It was founded in 2014 and headquartered in Boston, Massachusetts.
Kala Pharmaceuticals
Series C in 2016
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.
Adeo Health Science
Seed Round in 2016
Adeo Health Science, Inc. is a Boston-based company that specializes in developing and producing organic food products designed for special dietary needs. Its flagship product, Aralyte, is tailored for infants beginning solid foods and incorporates natural distilled peanut extract along with Vitamin D, facilitating parents in implementing the LEAP (Learning Early About Peanut Allergy) regimen. The company is dedicated to translating the latest research on food allergy prevention into practical, easy-to-use, and reliable organic products for families. Established in 2014, Adeo Health Science was previously known as Antera Therapeutics, Inc. before rebranding in September 2018. The company's offerings are available for purchase online.
TARIS Biomedical
Venture Round in 2015
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.
Arvinas, Inc. is a clinical-stage biopharmaceutical company based in New Haven, Connecticut, that specializes in the discovery, development, and commercialization of innovative therapies aimed at degrading disease-causing proteins. The company's lead product candidates include ARV-110, a proteolysis targeting chimera (PROTAC) currently in phase I clinical trials for metastatic castration-resistant prostate cancer, and ARV-471, which targets the estrogen receptor for patients with metastatic ER-positive/HER2-negative breast cancer. In addition to these, Arvinas is developing various other PROTACs aimed at degrading clinically relevant androgen receptor mutations and treatments for neurodegenerative diseases, including tauopathies. The company has established collaborations with prominent pharmaceutical firms such as Pfizer Inc., Genentech, and Bayer AG, enhancing its research capabilities and reach within the biopharmaceutical landscape. Founded in 2015, Arvinas aims to improve patient outcomes by eliminating harmful proteins from the body through its proprietary technology.
Ra Pharmaceuticals
Series B in 2015
Ra Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company based in Cambridge, Massachusetts, focused on developing therapeutics for diseases linked to the excessive activation of the complement system. Utilizing a peptide chemistry platform, the company produces synthetic macrocyclic peptides that offer the specificity and diversity of antibodies alongside the pharmacological advantages of small molecules. Its lead product candidate, Zilucoplan, is an injectable treatment that has completed Phase II clinical trials for generalized myasthenia gravis and paroxysmal nocturnal hemoglobinuria, as well as a Phase Ib trial for patients with renal impairment. In addition to Zilucoplan, Ra Pharmaceuticals is advancing pre-clinical programs targeting Factor D inhibition for C3 glomerulonephritis and dense deposit disease, among other conditions. The company has also established a collaboration with Merck & Co., Inc. to explore orally available cyclic peptides for cardiovascular targets. Founded in 2008, Ra Pharmaceuticals operates as a subsidiary of UCB SA.
KalVista Pharmaceuticals
Series B in 2015
KalVista Pharmaceuticals is a clinical-stage biopharmaceutical company focused on developing small molecule protease inhibitors for diseases with unmet needs. Its primary focus is on hereditary angioedema (HAE) and diabetic macular edema (DME). The company's product portfolio includes KVD001, KVD900, and KVD824, which are in various stages of clinical trials for treating these conditions.
Dimension Therapeutics
Series B in 2015
Dimension Therapeutics, Inc. is a gene therapy company based in Cambridge, Massachusetts, specializing in the development of innovative treatments for rare and metabolic diseases associated with the liver. Founded in 2013, the company has a robust pipeline of gene therapy programs, including DTX101 and DTX201 for hemophilia B and A, respectively. Additionally, its portfolio encompasses DTX301 for ornithine transcarbamylase deficiency, DTX401 for glycogen storage disease type Ia, DTX501 for phenylketonuria, DTX701 for Wilson disease, and DTX601 for citrullinemia type I. Dimension Therapeutics collaborates with REGENX Biosciences, gaining access to a significant portfolio of patents related to adeno-associated virus (AAV) therapeutics. This collaboration supports the company's aim to advance its gene therapy platform and enhance its product development capabilities in the treatment of rare diseases. Dimension Therapeutics operates as a subsidiary of Ultragenyx Pharmaceutical Inc. since November 2017.
Collegium Pharmaceutical
Venture Round in 2015
Collegium Pharmaceutical is a specialty pharmaceutical company focused on developing proprietary, late-stage products that address non-medical use and abuse of prescription drugs through tamper-resistant formulations and extended-release delivery using its patent-protected DETERx platform. The company markets Xtampza ER, an abuse-deterrent extended-release oxycodone, and Nucynta products, including extended-release and immediate-release formulations of tapentadol for long- and short-term pain management. Its portfolio also includes Jornay as part of its product lineup, reflecting a strategy to expand applications of the DETERx technology. Headquartered in Stoughton, Massachusetts.
Moderna is a biotechnology company focused on messenger RNA therapeutics and vaccines. It develops mRNA-based medicines that instruct cells to produce therapeutic proteins or antibodies in vivo, targeting infectious diseases, oncology, cardiovascular diseases, and rare genetic disorders. Founded in 2010 and headquartered in Cambridge, Massachusetts, the company has built a broad pipeline with multiple development candidates across several modalities and a track record highlighted by a COVID-19 vaccine authorized in the United States. Moderna collaborates with major pharmaceutical and research partners, including AstraZeneca, Merck, Vertex, and Alexion, as well as academic institutions such as Harvard University and Karolinska Institutet. It maintains manufacturing collaborations with Lonza for mRNA production and Catalent for fill-finish, and engages with public sector and philanthropic supporters such as BARDA, DARPA, and the Gates Foundation. As of 2025, the company continued expanding its mRNA development program across infectious disease, oncology, cardiovascular, and rare genetic diseases.
Blueprint Medicines
Series C in 2014
Blueprint Medicines is a Cambridge, Massachusetts-based biopharmaceutical company that develops targeted, small-molecule therapies to treat genomically defined cancers, rare diseases, and related conditions. The company focuses on precision medicines that address molecular drivers and resistance mechanisms, advancing a pipeline that includes avapritinib for systemic mastocytosis and certain gastrointestinal stromal tumors, BLU-263, a KIT inhibitor for indolent systemic mastocytosis and other mast cell disorders, fisogatinib for advanced hepatocellular carcinoma, and pralsetinib, a RET inhibitor for RET-altered cancers such as non-small cell lung cancer and medullary thyroid carcinoma. It is also pursuing BLU-782, an ALK2 inhibitor in early clinical trials for fibrodysplasia ossificans progressiva. Blueprint Medicines collaborates with partner companies such as Clementia Pharmaceuticals, CStone Pharmaceuticals, Genentech, and Hoffmann-La Roche. Founded in 2008, the company operates in the United States and Europe and combines its Insights-to-Validation platform with a proprietary chemical library to discover and develop new therapeutic compounds and combination therapies in oncology, hematology, and related areas.
Intarcia Therapeutics
Series D in 2014
Intarcia Therapeutics, Inc. is a biopharmaceutical company focused on developing therapies for chronic conditions requiring long-term treatment. The company is known for its innovative drug delivery platform, DUROS, which stabilizes and administers therapeutic proteins and peptides effectively. Among its key products is ITCA 650, currently in phase 3 clinical trials for type 2 diabetes, designed to provide patients with continuous dosing of an incretin mimetic therapy. Intarcia also explores treatments for obesity and other chronic disorders. Established in 1995 and headquartered in Boston, Massachusetts, Intarcia operates a manufacturing facility in Hayward, California, and a research and development center in Durham, North Carolina. The company was previously known as BioMedicines, Inc. before adopting its current name in 2004.
EyePoint Pharmaceuticals
Post in 2014
EyePoint Pharmaceuticals, Inc. is a specialty biopharmaceutical company focused on developing and commercializing ophthalmic products for the treatment of eye diseases in the United States and Europe. The company offers several FDA-approved products, including ILUVIEN for diabetic macular edema, YUTIQ for chronic non-infectious uveitis, DEXYCU for post-operative ocular inflammation, and Retisert for posterior segment uveitis. Additionally, EyePoint is advancing its pipeline with innovative therapies such as EYP-1901, targeting wet age-related macular degeneration and diabetic retinopathy, and YUTIQ50 for uveitis. The company employs its proprietary Durasert and Verisome technology platforms to create sustained-release drug delivery systems that provide controlled drug delivery over extended periods. EyePoint has established strategic collaborations with various organizations to enhance its product offerings and has a commercial alliance for the joint promotion of DEXYCU. Founded in 1987 and headquartered in Watertown, Massachusetts, EyePoint was formerly known as pSivida Corp. and rebranded in March 2018.
Dicerna Pharmaceuticals
Series C in 2013
Dicerna Pharmaceuticals is a biopharmaceutical company that specializes in the discovery and development of RNA interference (RNAi)-based therapeutics. The company focuses on innovative treatments for rare inherited liver diseases, viral infections, chronic liver diseases, and cardiometabolic conditions. Utilizing its proprietary GalXC RNAi technology platform, Dicerna is advancing several key product candidates, including nedosiran for primary hyperoxaluria, RG6346 for chronic hepatitis B, and programs targeting genetic liver diseases and cardiovascular conditions. Founded in 2007 and headquartered in Lexington, Massachusetts, Dicerna has established strategic collaborations with major pharmaceutical firms to enhance its research and development efforts.
bluebird bio
Series D in 2012
Bluebird Bio is a clinical-stage biotechnology company focused on developing gene therapies to treat severe genetic and rare diseases. Its proprietary lentiviral vector platform enables the creation of potentially curative treatments by genetically modifying patients' cells to address the root cause of these conditions.
OvaScience
Series B in 2012
OvaScience, Inc. is a fertility company focused on discovering and commercializing innovative treatment options for women experiencing infertility. Founded in 2011 and headquartered in Waltham, Massachusetts, OvaScience developed proprietary technology based on the identification of egg precursor (EggPC) cells, enabling new approaches to fertility treatments. Its key offerings include OvaPrime, which aims to restore a woman's natural egg production by utilizing her own EggPC cells; OvaTure, which matures these cells into fertilizable eggs outside the body without hormone stimulation; and AUGMENT, which enhances fertilization and pregnancy rates using mitochondria from the woman’s EggPC cells. The company’s technology is exclusively licensed from Harvard Medical School and Massachusetts General Hospital, and it has been supported by a team of experts in reproductive science and embryology. OvaScience was initially known as Ovastem, Inc. before rebranding in 2011. In December 2018, OvaScience was acquired by Millendo Therapeutics, marking a significant shift in its operational focus.
Seres Therapeutics
Seed Round in 2012
Seres Therapeutics is a clinical-stage biotherapeutic company based in Cambridge, Massachusetts, specializing in the development of microbiome therapeutics aimed at restoring health by correcting dysbiotic microbiomes. The company's lead product candidate, SER-109, is currently in Phase III clinical trials for the prevention of recurrent Clostridium difficile infection (CDI). In addition to SER-109, Seres is advancing several other therapeutic candidates: SER-287, which is in a Phase IIb study for ulcerative colitis; SER-401, a microbiome therapeutic in a Phase Ib study for use with checkpoint inhibitors in metastatic melanoma; SER-301 for inflammatory bowel disease; SER-262 for initial CDI recurrence; and SER-155 to address dysbiosis post-allogeneic hematopoietic stem cell transplants. Seres Therapeutics collaborates with notable institutions such as Nestec Ltd. and Memorial Sloan Kettering Cancer Center, and has partnered with AstraZeneca to enhance its research and development efforts. Founded in 2010, Seres Therapeutics was previously known as Seres Health, Inc. until its name change in May 2015.
T2 Biosystems
Series D in 2011
T2 Biosystems, Inc. is an in vitro diagnostics company specializing in the rapid detection of pathogens and biomarkers to enhance patient care. The company employs its proprietary T2 Magnetic Resonance technology, which allows for the detection of various pathogens directly from unpurified patient samples, such as whole blood and urine, without the need for extensive sample preparation. T2 Biosystems offers several diagnostic products, including the T2Dx Instrument, which is designed to identify pathogens associated with sepsis and Lyme disease. Its product lineup includes the T2Candida Panel for detecting Candida species, the T2Bacteria Panel for identifying bacterial pathogens, the T2SARS-CoV-2 Panel for COVID-19 testing, and the T2Resistance Panel for detecting antibiotic resistance markers. Founded in 2006 and headquartered in Lexington, Massachusetts, T2 Biosystems aims to improve clinical outcomes and reduce healthcare costs by enabling faster and more accurate diagnostic testing.
T2 Biosystems
Series C in 2010
T2 Biosystems, Inc. is an in vitro diagnostics company specializing in the rapid detection of pathogens and biomarkers to enhance patient care. The company employs its proprietary T2 Magnetic Resonance technology, which allows for the detection of various pathogens directly from unpurified patient samples, such as whole blood and urine, without the need for extensive sample preparation. T2 Biosystems offers several diagnostic products, including the T2Dx Instrument, which is designed to identify pathogens associated with sepsis and Lyme disease. Its product lineup includes the T2Candida Panel for detecting Candida species, the T2Bacteria Panel for identifying bacterial pathogens, the T2SARS-CoV-2 Panel for COVID-19 testing, and the T2Resistance Panel for detecting antibiotic resistance markers. Founded in 2006 and headquartered in Lexington, Massachusetts, T2 Biosystems aims to improve clinical outcomes and reduce healthcare costs by enabling faster and more accurate diagnostic testing.
Allegiance Hospice Group
Seed Round in 2006
Allegiance Hospice Group specializes in providing hospice care to patients in the Merrimack Valley and Southeastern Massachusetts. The organization employs an interdisciplinary team that includes physicians, nurses, home healthcare aides, social workers, mental health workers, counselors, and volunteers. This team delivers comprehensive palliative care to individuals with terminal illnesses, ensuring that patients receive the necessary support and treatment to manage their conditions effectively. Allegiance Hospice is committed to enhancing the quality of life for its patients through compassionate care tailored to their specific needs.