Polaris Partners

Polaris Partners is a multibillion-dollar investment firm founded in 1996 and headquartered in Boston, Massachusetts, with an additional office in San Francisco. The firm specializes in investing in healthcare and biotechnology companies, focusing on various aspects of the sector. Its healthcare portfolio includes companies that develop innovative care delivery models, such as digital health solutions, consumer-centric services, patient-provider interactions, as well as data science and analytics. In the biotechnology realm, Polaris targets life sciences firms engaged in research and development of therapeutics, genomic technologies, and molecular platforms. With over 20 years of experience, Polaris Partners collaborates with repeat entrepreneurs and innovators, supporting ventures from their inception through to profitable growth.

David Barrett

General Partner

Bertorelli, Marissa

Principal

Mary Blair

Controller

Alexandra Cantley

Partner

Darren Carroll

Partner

Brian Chee

Managing Partner

Harold Friedman

CFO

Eileen McGuire

Partner

Patrick Mulach

Associate

Past deals in Life Science

Scholar Rock

Post in 2022
Scholar Rock is a biopharmaceutical company focused on the discovery and development of innovative medicines for the treatment of serious diseases in which signaling by protein growth factors plays a fundamental role. The company's newly elucidated understanding of the molecular mechanisms of growth factor activation enabled us to develop a proprietary platform for the discovery and development of monoclonal antibodies that locally and selectively target these signaling proteins at the cellular level. They believe this approach, acting in the disease microenvironment, avoids the historical challenges associated with inhibiting growth factors for therapeutic effect. We believe our focus on biologically validated growth factors may facilitate a more efficient development path. The company is advancing its lead product candidate, SRK-015, a selective first-in-class inhibitor of the activation of the growth factor myostatin in skeletal muscle, into clinical development for the treatment of spinal muscular atrophy, or SMA. They expect to initiate a Phase 1 clinical trial in the second quarter of 2018. Utilizing its proprietary platform, they are also creating a pipeline of novel product candidates with the potential to transform the lives of patients suffering from a wide range of serious diseases, including other neuromuscular disorders, cancer, fibrosis, and anemia.

Satellite Bio

Series A in 2022
Satellite Bio specializes in cell therapy, regenerative medicine, synthetic biology, cell biology, and tissue engineering. It focuses on the development and implementation of proprietary, off-the-shelf, implantable satellite organs as living therapeutic solutions that can transform the lives of millions of patients who suffer from serious diseases.
Cyclerion Therapeutics is a clinical-stage biopharmaceutical company harnessing the power of soluble guanylate cyclase (sGC) pharmacology to discover, develop, and commercialize breakthrough treatments for serious and orphan diseases. Its focus is on enabling the full therapeutic potential of next-generation sGC stimulators. Its pipeline products include Olinciguat, Praliciguat, and others.

Hummingbird Bioscience

Series C in 2021
Hummingbird Bioscience uses systems biology to develop insights into disease biology and applies computationally guided platforms to discover and engineer breakthrough biotherapeutics. The company is pursuing a broad pipeline of first drug candidates across multiple challenging targets with strong biological validation and disease association, including lead assets: HMBD-001, an anti-HER3 antibody, and HMBD-002, an anti-VISTA antibody, for the treatment of cancer. Hummingbird has established strategic collaborations with Cancer Research UK and Amgen, and has been awarded a product development grant from the Cancer Prevention and Research Institute of Texas.

IconOVir Bio

Series A in 2021
IconOVir Bio is a preclinical-stage biotechnology company developing oncolytic virus therapy for the treatment of patients with cancer. Its oncolytic virus platform is designed to address key limitations of first- and second-generation oncolytic viruses to help healthcare professionals provide personalized therapy for cancer patients.

Satellite Bio

Seed Round in 2020
Satellite Bio specializes in cell therapy, regenerative medicine, synthetic biology, cell biology, and tissue engineering. It focuses on the development and implementation of proprietary, off-the-shelf, implantable satellite organs as living therapeutic solutions that can transform the lives of millions of patients who suffer from serious diseases.

Kronos Bio

Private Equity Round in 2020
Kronos Bio, Inc. is a clinical-stage biopharmaceutical company dedicated to discovering and developing innovative cancer therapeutics. Founded in 2017 and headquartered in San Mateo, California, the company focuses on targeting dysregulated transcription factors and oncogenic signaling pathways. Its lead candidate, entospletinib, is a selective inhibitor of spleen tyrosine kinase aimed at treating acute myeloid leukemia. Additionally, Kronos Bio is developing KB-0742, an orally bioavailable inhibitor of cyclin-dependent kinase 9, intended for MYC-amplified solid tumors. By leveraging advanced technologies such as high-throughput small-molecule microarrays and targeted protein degradation, Kronos Bio aims to identify effective compounds that can modulate historically undruggable cancer targets, ultimately striving to improve patient outcomes through precision medicine.

SQZ Biotech

Series D in 2020
SQZ Biotech is a developer of a cell engineering technology designed to deliver a diverse set of materials into patient cells. It is a privately held company that develops cellular therapies for multiple indications using the proprietary CellSqueeze technology. Through internal research programs and external partnerships, SQZ’s unique cell engineering capabilities are being used to develop a new generation of cell therapies by engineering the immune system both through immune activation and immune suppression for a wide range of clinical challenges.

QurAlis

Series A in 2020
QurAlis is a clinical-stage biotechnology company that is developing precision medicines with genetically validated targets for amyotrophic lateral sclerosis (ALS) and other neurodegenerative diseases. Its proprietary platforms and biomarkers allow for the design and development of drugs that target disease-causing genetic alterations directly.

Montis Biosciences

Seed Round in 2020
Montis Biosciences is develops novel immune-oncology therapeutics targeting the intersection between vascular dysfunction and immune suppression to treat solid tumours.

SQZ Biotech

Series D in 2019
SQZ Biotech is a developer of a cell engineering technology designed to deliver a diverse set of materials into patient cells. It is a privately held company that develops cellular therapies for multiple indications using the proprietary CellSqueeze technology. Through internal research programs and external partnerships, SQZ’s unique cell engineering capabilities are being used to develop a new generation of cell therapies by engineering the immune system both through immune activation and immune suppression for a wide range of clinical challenges.

Kronos Bio

Series A in 2019
Kronos Bio, Inc. is a clinical-stage biopharmaceutical company dedicated to discovering and developing innovative cancer therapeutics. Founded in 2017 and headquartered in San Mateo, California, the company focuses on targeting dysregulated transcription factors and oncogenic signaling pathways. Its lead candidate, entospletinib, is a selective inhibitor of spleen tyrosine kinase aimed at treating acute myeloid leukemia. Additionally, Kronos Bio is developing KB-0742, an orally bioavailable inhibitor of cyclin-dependent kinase 9, intended for MYC-amplified solid tumors. By leveraging advanced technologies such as high-throughput small-molecule microarrays and targeted protein degradation, Kronos Bio aims to identify effective compounds that can modulate historically undruggable cancer targets, ultimately striving to improve patient outcomes through precision medicine.
Cyclerion Therapeutics is a clinical-stage biopharmaceutical company harnessing the power of soluble guanylate cyclase (sGC) pharmacology to discover, develop, and commercialize breakthrough treatments for serious and orphan diseases. Its focus is on enabling the full therapeutic potential of next-generation sGC stimulators. Its pipeline products include Olinciguat, Praliciguat, and others.

KSQ Therapeutics

Series C in 2018
KSQ Therapeutics is pioneering High-Confidence Drug Development: a fundamentally new approach to R&D where the majority of the de-risking work is done prior to the generation of therapeutic drug candidates. Powered by our proprietary CRISPRomics™ drug discovery engine, their team has elucidated the function that each human gene plays in multiple diseases, providing a unique and more comprehensive understanding of disease biology. The quality of these insights enables their scientists to rapidly identify and validate high-confidence, patient-tailored, novel drug targets and then focus their collective efforts on the development of medicines with the greatest potential to impact the lives of patients. KSQ has initiated a pipeline of preclinical discovery programs and was founded in 2015.

SQZ Biotech

Series C in 2018
SQZ Biotech is a developer of a cell engineering technology designed to deliver a diverse set of materials into patient cells. It is a privately held company that develops cellular therapies for multiple indications using the proprietary CellSqueeze technology. Through internal research programs and external partnerships, SQZ’s unique cell engineering capabilities are being used to develop a new generation of cell therapies by engineering the immune system both through immune activation and immune suppression for a wide range of clinical challenges.

Alector

Series E in 2018
Alector is combining state-of-the-art antibody technology and recent discoveries in neuroimmunology and human genetics to develop novel therapeutics for Alzheimer’s disease, other forms of dementia, and mechanistically related neurodegenerative disorders. Alector’s strategy is to efficiently generate and validate antibody drugs with unique functional properties that engage key disease-altering targets. This approach is enabled by a strategic alliance with Adimab, the industry leader in discovery and optimization of antibody therapeutics. Alector is currently developing leads for 4 major targets and anticipates taking 2 of these through pre-clinical development and IND enabling studies within 24 months. Alector has incorporated a highly integrated and lean biotechnology structure with extensive outsourcing that supports core scientific and management teams.

Gossamer Bio

Series B in 2018
Gossamer Bio is a clinical-stage biopharmaceutical company based in San Diego that focuses on the discovery and development of innovative therapeutic products for unmet medical needs. Founded by former executives from Receptos, the company aims to leverage a strong in-licensing strategy and a team with extensive experience in immunology, inflammation, fibrosis, and oncology. Gossamer Bio's pipeline includes several promising candidates: Seralutinib, which targets pulmonary arterial hypertension; GB004, aimed at treating inflammatory bowel diseases such as ulcerative colitis and Crohn's disease; GB1275, designed for various oncology indications; and GB001, intended for moderate-to-severe eosinophilic asthma. Through these efforts, Gossamer Bio seeks to improve patient outcomes in critical therapeutic areas.

AgBiome

Series C in 2018
AgBiome, LLC, a biotechnology company, engages in delivering research and discovery to the agriculture industry. The company develops biological product that controls the predominant soil-borne diseases of greenhouse and major row crops. It identifies plant-associated microbes that enhance plant health, pest resistance, and yield applying based on genomics and screening technologies. AgBiome, LLC has strategic partnerships with Genective and ElevateBio. The company was incorporated in 2012 and is based in Durham, North Carolina.

Scholar Rock

Series C in 2018
Scholar Rock is a biopharmaceutical company focused on the discovery and development of innovative medicines for the treatment of serious diseases in which signaling by protein growth factors plays a fundamental role. The company's newly elucidated understanding of the molecular mechanisms of growth factor activation enabled us to develop a proprietary platform for the discovery and development of monoclonal antibodies that locally and selectively target these signaling proteins at the cellular level. They believe this approach, acting in the disease microenvironment, avoids the historical challenges associated with inhibiting growth factors for therapeutic effect. We believe our focus on biologically validated growth factors may facilitate a more efficient development path. The company is advancing its lead product candidate, SRK-015, a selective first-in-class inhibitor of the activation of the growth factor myostatin in skeletal muscle, into clinical development for the treatment of spinal muscular atrophy, or SMA. They expect to initiate a Phase 1 clinical trial in the second quarter of 2018. Utilizing its proprietary platform, they are also creating a pipeline of novel product candidates with the potential to transform the lives of patients suffering from a wide range of serious diseases, including other neuromuscular disorders, cancer, fibrosis, and anemia.

Visterra

Series C in 2017
Visterra, Inc. engages in pharmaceutical drug research and development of therapeutic and diagnostic products for infectious diseases. It also provides structure-based design of therapeutics and diagnostic platforms, based on an understanding of glycobiology and glycochemistry. The company was formerly known as Parasol Therapeutics, Inc. and changed its name in May 2010. Visterra, Inc. was founded in 2007 and is based in Cambridge, Massachusetts.

KSQ Therapeutics

Series B in 2017
KSQ Therapeutics is pioneering High-Confidence Drug Development: a fundamentally new approach to R&D where the majority of the de-risking work is done prior to the generation of therapeutic drug candidates. Powered by our proprietary CRISPRomics™ drug discovery engine, their team has elucidated the function that each human gene plays in multiple diseases, providing a unique and more comprehensive understanding of disease biology. The quality of these insights enables their scientists to rapidly identify and validate high-confidence, patient-tailored, novel drug targets and then focus their collective efforts on the development of medicines with the greatest potential to impact the lives of patients. KSQ has initiated a pipeline of preclinical discovery programs and was founded in 2015.

Suono Bio

Seed Round in 2017
Suono Bio is a biotechnology company enabling ultra-rapid delivery of novel therapeutics to the gastrointestinal tract. The company's mission is to harness its proprietary therapeutic platform to transform the treatment of difficult-to-treat diseases by enabling localized delivery of small molecules, biologics, nucleic acids, and gene therapies without the need for encapsulation.

Genomics Medicine Ireland

Series A in 2016
Genomics Medicine Ireland is an Irish life sciences company leading a large-scale research study across Ireland looking at the human genome to examine the relationship between genetics, health and disease.

SQZ Biotech

Series B in 2016
SQZ Biotech is a developer of a cell engineering technology designed to deliver a diverse set of materials into patient cells. It is a privately held company that develops cellular therapies for multiple indications using the proprietary CellSqueeze technology. Through internal research programs and external partnerships, SQZ’s unique cell engineering capabilities are being used to develop a new generation of cell therapies by engineering the immune system both through immune activation and immune suppression for a wide range of clinical challenges.

Visterra

Series C in 2016
Visterra, Inc. engages in pharmaceutical drug research and development of therapeutic and diagnostic products for infectious diseases. It also provides structure-based design of therapeutics and diagnostic platforms, based on an understanding of glycobiology and glycochemistry. The company was formerly known as Parasol Therapeutics, Inc. and changed its name in May 2010. Visterra, Inc. was founded in 2007 and is based in Cambridge, Massachusetts.

Syros Pharmaceuticals

Series C in 2016
Syros Pharmaceuticals is a life sciences company that is focused on treating disease by mapping gene regulatory circuits and modulating the factors that regulate gene expression. Syros has pioneered world-leading gene control research and drug discovery capabilities with a proven ability to integrate disease biology and genomic data--a proficiency that is not well represented in pharmaceutical R&D. Central to the Syros approach is a proprietary platform of carefully integrated assay technologies, bioinformatics, and biologic insights developed by members of Syros' senior leadership. While this scientific approach has applications in many therapeutic areas, Syros has demonstrated success initially in oncology, where it may help address numerous unmet medical needs.

Alector

Series D in 2016
Alector is combining state-of-the-art antibody technology and recent discoveries in neuroimmunology and human genetics to develop novel therapeutics for Alzheimer’s disease, other forms of dementia, and mechanistically related neurodegenerative disorders. Alector’s strategy is to efficiently generate and validate antibody drugs with unique functional properties that engage key disease-altering targets. This approach is enabled by a strategic alliance with Adimab, the industry leader in discovery and optimization of antibody therapeutics. Alector is currently developing leads for 4 major targets and anticipates taking 2 of these through pre-clinical development and IND enabling studies within 24 months. Alector has incorporated a highly integrated and lean biotechnology structure with extensive outsourcing that supports core scientific and management teams.

Scholar Rock

Series B in 2016
Scholar Rock is a biopharmaceutical company focused on the discovery and development of innovative medicines for the treatment of serious diseases in which signaling by protein growth factors plays a fundamental role. The company's newly elucidated understanding of the molecular mechanisms of growth factor activation enabled us to develop a proprietary platform for the discovery and development of monoclonal antibodies that locally and selectively target these signaling proteins at the cellular level. They believe this approach, acting in the disease microenvironment, avoids the historical challenges associated with inhibiting growth factors for therapeutic effect. We believe our focus on biologically validated growth factors may facilitate a more efficient development path. The company is advancing its lead product candidate, SRK-015, a selective first-in-class inhibitor of the activation of the growth factor myostatin in skeletal muscle, into clinical development for the treatment of spinal muscular atrophy, or SMA. They expect to initiate a Phase 1 clinical trial in the second quarter of 2018. Utilizing its proprietary platform, they are also creating a pipeline of novel product candidates with the potential to transform the lives of patients suffering from a wide range of serious diseases, including other neuromuscular disorders, cancer, fibrosis, and anemia.

Alector

Series C in 2015
Alector is combining state-of-the-art antibody technology and recent discoveries in neuroimmunology and human genetics to develop novel therapeutics for Alzheimer’s disease, other forms of dementia, and mechanistically related neurodegenerative disorders. Alector’s strategy is to efficiently generate and validate antibody drugs with unique functional properties that engage key disease-altering targets. This approach is enabled by a strategic alliance with Adimab, the industry leader in discovery and optimization of antibody therapeutics. Alector is currently developing leads for 4 major targets and anticipates taking 2 of these through pre-clinical development and IND enabling studies within 24 months. Alector has incorporated a highly integrated and lean biotechnology structure with extensive outsourcing that supports core scientific and management teams.

Selecta Biosciences

Series E in 2015
Selecta Biosciences is a clinical-stage biopharmaceutical company focused on developing nanoparticle immunomodulatory drugs aimed at treating and preventing human diseases. The company’s proprietary platform integrates advancements in immunobiology and nanotechnology to create targeted immunomodulatory nanoparticles. Its lead product, SEL-212, has completed Phase II clinical trials for chronic refractory gout. Additionally, Selecta is advancing gene therapy candidates, including SEL-302 and SEL-313, which are in preclinical development for rare metabolic disorders. The company has established collaborations and licensing agreements with various organizations, including Spark Therapeutics and the Massachusetts Institute of Technology. Founded in 2007 and headquartered in Watertown, Massachusetts, Selecta Biosciences continues to innovate in the biopharmaceutical field.

AgBiome

Series B in 2015
AgBiome, LLC, a biotechnology company, engages in delivering research and discovery to the agriculture industry. The company develops biological product that controls the predominant soil-borne diseases of greenhouse and major row crops. It identifies plant-associated microbes that enhance plant health, pest resistance, and yield applying based on genomics and screening technologies. AgBiome, LLC has strategic partnerships with Genective and ElevateBio. The company was incorporated in 2012 and is based in Durham, North Carolina.

SQZ Biotech

Series A in 2015
SQZ Biotech is a developer of a cell engineering technology designed to deliver a diverse set of materials into patient cells. It is a privately held company that develops cellular therapies for multiple indications using the proprietary CellSqueeze technology. Through internal research programs and external partnerships, SQZ’s unique cell engineering capabilities are being used to develop a new generation of cell therapies by engineering the immune system both through immune activation and immune suppression for a wide range of clinical challenges.

AgBiome

Venture Round in 2014
AgBiome is a biotechnology company using new knowledge of the plant-associated microbiome to create innovative products for agriculture. Partnerships with leading agricultural companies to accelerate our discovery process and allow us to deliver solutions for global markets. We employ 85 full-time and 2 part-time employees and occupy a state-of-the-art 30,000 square foot laboratory and greenhouse facility in the Research Triangle Park in Durham, North Carolina. AgBiome’s products will help farmers combat many of the most important unsolved problems in agriculture, including insects, nematodes, and diseases.

Syros Pharmaceuticals

Series B in 2014
Syros Pharmaceuticals is a life sciences company that is focused on treating disease by mapping gene regulatory circuits and modulating the factors that regulate gene expression. Syros has pioneered world-leading gene control research and drug discovery capabilities with a proven ability to integrate disease biology and genomic data--a proficiency that is not well represented in pharmaceutical R&D. Central to the Syros approach is a proprietary platform of carefully integrated assay technologies, bioinformatics, and biologic insights developed by members of Syros' senior leadership. While this scientific approach has applications in many therapeutic areas, Syros has demonstrated success initially in oncology, where it may help address numerous unmet medical needs.

Selecta Biosciences

Private Equity Round in 2014
Selecta Biosciences is a biopharmaceutical company developing the first generation of nanoparticle immunomodulatory drugs for the treatment and prevention of human diseases. Their proprietary product platform technology combines recent advances in immunobiology with cutting-edge nanotechnology to develop targeted immunomodulatory nanoparticles. It was founded in 2008 and is headquartered in Watertown, Massachusetts.

Visterra

Series B in 2014
Visterra, Inc. engages in pharmaceutical drug research and development of therapeutic and diagnostic products for infectious diseases. It also provides structure-based design of therapeutics and diagnostic platforms, based on an understanding of glycobiology and glycochemistry. The company was formerly known as Parasol Therapeutics, Inc. and changed its name in May 2010. Visterra, Inc. was founded in 2007 and is based in Cambridge, Massachusetts.

Scholar Rock

Series A in 2014
Scholar Rock is a biopharmaceutical company focused on the discovery and development of innovative medicines for the treatment of serious diseases in which signaling by protein growth factors plays a fundamental role. The company's newly elucidated understanding of the molecular mechanisms of growth factor activation enabled us to develop a proprietary platform for the discovery and development of monoclonal antibodies that locally and selectively target these signaling proteins at the cellular level. They believe this approach, acting in the disease microenvironment, avoids the historical challenges associated with inhibiting growth factors for therapeutic effect. We believe our focus on biologically validated growth factors may facilitate a more efficient development path. The company is advancing its lead product candidate, SRK-015, a selective first-in-class inhibitor of the activation of the growth factor myostatin in skeletal muscle, into clinical development for the treatment of spinal muscular atrophy, or SMA. They expect to initiate a Phase 1 clinical trial in the second quarter of 2018. Utilizing its proprietary platform, they are also creating a pipeline of novel product candidates with the potential to transform the lives of patients suffering from a wide range of serious diseases, including other neuromuscular disorders, cancer, fibrosis, and anemia.

Visterra

Series A in 2013
Visterra, Inc. engages in pharmaceutical drug research and development of therapeutic and diagnostic products for infectious diseases. It also provides structure-based design of therapeutics and diagnostic platforms, based on an understanding of glycobiology and glycochemistry. The company was formerly known as Parasol Therapeutics, Inc. and changed its name in May 2010. Visterra, Inc. was founded in 2007 and is based in Cambridge, Massachusetts.

NextCODE Health

Series A in 2013
NextCODE Health is a sequence-based clinical diagnostics company delivering a powerful solution to genome interpretation and big data challenges. Using technology developed over more than 16 years at deCODE genetics, we are enabling the widespread incorporation of genome sequence data into patient diagnosis and care. NextCODE was acquired by WuXi AppTec in 2015 and was renamed WuXi NextCODE before rebranding to [Genuity Science](/organization/genuity-science) in 2020.

NextCODE Health

Series A in 2013
NextCODE Health is a sequence-based clinical diagnostics company delivering a powerful solution to genome interpretation and big data challenges. Using technology developed over more than 16 years at deCODE genetics, we are enabling the widespread incorporation of genome sequence data into patient diagnosis and care. NextCODE was acquired by WuXi AppTec in 2015 and was renamed WuXi NextCODE before rebranding to [Genuity Science](/organization/genuity-science) in 2020.

aTyr Pharma

Series D in 2013
aTyr Pharma is a biotherapeutics company based in San Diego, California, specializing in the discovery and development of innovative medicines utilizing novel immunological pathways. The company focuses primarily on ATYR1923, a clinical-stage fusion protein designed to down-regulate immune engagement in interstitial lung diseases by binding to the neuropilin-2 receptor. This candidate is currently undergoing Phase 1b/2a clinical trials. aTyr Pharma has established a strong intellectual property portfolio centered around Physiocrine-based compositions and therapeutic applications, particularly in immunomodulation disorders related to inflammation and immunity. Additionally, the company has formed collaborations with several institutions, including the University of Nebraska Medical Center, CSL Behring, Boston Children’s Hospital, and the Medical University of South Carolina, to advance its research and development efforts. Founded in 2005 by a prominent scientist from The Scripps Research Institute, aTyr is supported by leading life sciences investors.

T2 Biosystems

Series E in 2013
T2 Biosystems is a private company developing a next-generation medical diagnostic platform that enables rapid and accurate diagnostic tests of all types on a single, easy-to-use instrument. The company's proprietary technology combines nanotechnology and miniaturized magnetic resonance (MR) technology and eliminates the need for costly and time-consuming sample preparation.

Living Proof

Series C in 2013
Living Proof was created for the purpose of applying advanced technology to solve the toughest beauty challenges from a completely fresh perspective. They are a team of scientists from outside beauty, led by MIT Institute Professor Dr. Bob Langer, and beauty authorities with a shared vision: to invent efficient formulas based on entirely new molecules and breakthrough technologies for results you can see from across the room.

Visterra

Series A in 2012
Visterra, Inc. engages in pharmaceutical drug research and development of therapeutic and diagnostic products for infectious diseases. It also provides structure-based design of therapeutics and diagnostic platforms, based on an understanding of glycobiology and glycochemistry. The company was formerly known as Parasol Therapeutics, Inc. and changed its name in May 2010. Visterra, Inc. was founded in 2007 and is based in Cambridge, Massachusetts.

T2 Biosystems

Series D in 2011
T2 Biosystems is a private company developing a next-generation medical diagnostic platform that enables rapid and accurate diagnostic tests of all types on a single, easy-to-use instrument. The company's proprietary technology combines nanotechnology and miniaturized magnetic resonance (MR) technology and eliminates the need for costly and time-consuming sample preparation.

Living Proof

Series B in 2011
Living Proof was created for the purpose of applying advanced technology to solve the toughest beauty challenges from a completely fresh perspective. They are a team of scientists from outside beauty, led by MIT Institute Professor Dr. Bob Langer, and beauty authorities with a shared vision: to invent efficient formulas based on entirely new molecules and breakthrough technologies for results you can see from across the room.

aTyr Pharma

Series C in 2010
aTyr Pharma is a biotherapeutics company based in San Diego, California, specializing in the discovery and development of innovative medicines utilizing novel immunological pathways. The company focuses primarily on ATYR1923, a clinical-stage fusion protein designed to down-regulate immune engagement in interstitial lung diseases by binding to the neuropilin-2 receptor. This candidate is currently undergoing Phase 1b/2a clinical trials. aTyr Pharma has established a strong intellectual property portfolio centered around Physiocrine-based compositions and therapeutic applications, particularly in immunomodulation disorders related to inflammation and immunity. Additionally, the company has formed collaborations with several institutions, including the University of Nebraska Medical Center, CSL Behring, Boston Children’s Hospital, and the Medical University of South Carolina, to advance its research and development efforts. Founded in 2005 by a prominent scientist from The Scripps Research Institute, aTyr is supported by leading life sciences investors.

Visterra

Debt Financing in 2010
Visterra, Inc. engages in pharmaceutical drug research and development of therapeutic and diagnostic products for infectious diseases. It also provides structure-based design of therapeutics and diagnostic platforms, based on an understanding of glycobiology and glycochemistry. The company was formerly known as Parasol Therapeutics, Inc. and changed its name in May 2010. Visterra, Inc. was founded in 2007 and is based in Cambridge, Massachusetts.

T2 Biosystems

Series C in 2010
T2 Biosystems is a private company developing a next-generation medical diagnostic platform that enables rapid and accurate diagnostic tests of all types on a single, easy-to-use instrument. The company's proprietary technology combines nanotechnology and miniaturized magnetic resonance (MR) technology and eliminates the need for costly and time-consuming sample preparation.

Selecta Biosciences

Series C in 2010
Selecta Biosciences is a clinical-stage biopharmaceutical company focused on developing nanoparticle immunomodulatory drugs aimed at treating and preventing human diseases. The company’s proprietary platform integrates advancements in immunobiology and nanotechnology to create targeted immunomodulatory nanoparticles. Its lead product, SEL-212, has completed Phase II clinical trials for chronic refractory gout. Additionally, Selecta is advancing gene therapy candidates, including SEL-302 and SEL-313, which are in preclinical development for rare metabolic disorders. The company has established collaborations and licensing agreements with various organizations, including Spark Therapeutics and the Massachusetts Institute of Technology. Founded in 2007 and headquartered in Watertown, Massachusetts, Selecta Biosciences continues to innovate in the biopharmaceutical field.

Alimera Sciences

Series C in 2009
Alimera Sciences is a pharmaceutical company whose mission is to be invaluable to patients, physicians, and partners concerned with retinal health and maintaining better vision longer. The company is passionate about protecting the retina and developing innovative treatments to preserve vision.

aTyr Pharma

Series C in 2009
aTyr Pharma is a biotherapeutics company based in San Diego, California, specializing in the discovery and development of innovative medicines utilizing novel immunological pathways. The company focuses primarily on ATYR1923, a clinical-stage fusion protein designed to down-regulate immune engagement in interstitial lung diseases by binding to the neuropilin-2 receptor. This candidate is currently undergoing Phase 1b/2a clinical trials. aTyr Pharma has established a strong intellectual property portfolio centered around Physiocrine-based compositions and therapeutic applications, particularly in immunomodulation disorders related to inflammation and immunity. Additionally, the company has formed collaborations with several institutions, including the University of Nebraska Medical Center, CSL Behring, Boston Children’s Hospital, and the Medical University of South Carolina, to advance its research and development efforts. Founded in 2005 by a prominent scientist from The Scripps Research Institute, aTyr is supported by leading life sciences investors.

Visterra

Seed Round in 2009
Visterra, Inc. engages in pharmaceutical drug research and development of therapeutic and diagnostic products for infectious diseases. It also provides structure-based design of therapeutics and diagnostic platforms, based on an understanding of glycobiology and glycochemistry. The company was formerly known as Parasol Therapeutics, Inc. and changed its name in May 2010. Visterra, Inc. was founded in 2007 and is based in Cambridge, Massachusetts.

Selecta Biosciences

Series B in 2009
Selecta Biosciences is a biopharmaceutical company developing the first generation of nanoparticle immunomodulatory drugs for the treatment and prevention of human diseases. Their proprietary product platform technology combines recent advances in immunobiology with cutting-edge nanotechnology to develop targeted immunomodulatory nanoparticles. It was founded in 2008 and is headquartered in Watertown, Massachusetts.

Hydra Biosciences

Series D in 2009
Hydra Biosciences is a biopharmaceutical company based in Cambridge, Massachusetts, develops novel drugs to treat pain, inflammation, cardiovascular and other diseases using its expertise in novel ion channels. Hydra's proprietary high throughput screening platforms enable the company to identify and develop drug candidates that address significant unmet medical needs. Hydra's ion channel drug discovery program is currently focused on channels implicated in pain, inflammation, and cardiovascular disease. Hydra's intellectual property portfolio, significant ion channel expertise, and flexible screening systems set it apart from other biopharmaceutical companies. Unlike classical sodium, calcium, or potassium voltage-gated channels Hydra's novel ion channels provide the potential to develop selective and safer ion channel drugs. Hydra has raised significant financing from blue-chip investors since its inception. This prominent group of investors includes Abingworth Ventures, Advanced Technology Ventures, Polaris Ventures, Lilly Bio Ventures, New Enterprise Associates, BioVentures Investors, Biogen Idec, Boston Medical Investors, and MedImmune Ventures.

T2 Biosystems

Series B in 2008
T2 Biosystems is a private company developing a next-generation medical diagnostic platform that enables rapid and accurate diagnostic tests of all types on a single, easy-to-use instrument. The company's proprietary technology combines nanotechnology and miniaturized magnetic resonance (MR) technology and eliminates the need for costly and time-consuming sample preparation.

Living Proof

Series A in 2008
Living Proof was created for the purpose of applying advanced technology to solve the toughest beauty challenges from a completely fresh perspective. They are a team of scientists from outside beauty, led by MIT Institute Professor Dr. Bob Langer, and beauty authorities with a shared vision: to invent efficient formulas based on entirely new molecules and breakthrough technologies for results you can see from across the room.

Hydra Biosciences

Series C in 2008
Hydra Biosciences is a biopharmaceutical company based in Cambridge, Massachusetts, develops novel drugs to treat pain, inflammation, cardiovascular and other diseases using its expertise in novel ion channels. Hydra's proprietary high throughput screening platforms enable the company to identify and develop drug candidates that address significant unmet medical needs. Hydra's ion channel drug discovery program is currently focused on channels implicated in pain, inflammation, and cardiovascular disease. Hydra's intellectual property portfolio, significant ion channel expertise, and flexible screening systems set it apart from other biopharmaceutical companies. Unlike classical sodium, calcium, or potassium voltage-gated channels Hydra's novel ion channels provide the potential to develop selective and safer ion channel drugs. Hydra has raised significant financing from blue-chip investors since its inception. This prominent group of investors includes Abingworth Ventures, Advanced Technology Ventures, Polaris Ventures, Lilly Bio Ventures, New Enterprise Associates, BioVentures Investors, Biogen Idec, Boston Medical Investors, and MedImmune Ventures.

Alimera Sciences

Series C in 2008
Alimera Sciences is a pharmaceutical company whose mission is to be invaluable to patients, physicians, and partners concerned with retinal health and maintaining better vision longer. The company is passionate about protecting the retina and developing innovative treatments to preserve vision.

Visterra

Seed Round in 2008
Visterra, Inc. engages in pharmaceutical drug research and development of therapeutic and diagnostic products for infectious diseases. It also provides structure-based design of therapeutics and diagnostic platforms, based on an understanding of glycobiology and glycochemistry. The company was formerly known as Parasol Therapeutics, Inc. and changed its name in May 2010. Visterra, Inc. was founded in 2007 and is based in Cambridge, Massachusetts.

Biolex Therapeutics

Series C in 2007
Biolex is a clinical-stage biopharmaceutical company that uses their patented LEX SystemSM to develop hard-to-make therapeutic proteins and monoclonal antibodies that have been optimized to enhance their efficacy and potency. The LEX System is a technology that genetically transforms the aquatic plant Lemna to enable the production of biologic product candidates. Their main product aims at treating those afflicted with Hepatitis C.

aTyr Pharma

Series B in 2007
aTyr Pharma is a biotherapeutics company based in San Diego, California, specializing in the discovery and development of innovative medicines utilizing novel immunological pathways. The company focuses primarily on ATYR1923, a clinical-stage fusion protein designed to down-regulate immune engagement in interstitial lung diseases by binding to the neuropilin-2 receptor. This candidate is currently undergoing Phase 1b/2a clinical trials. aTyr Pharma has established a strong intellectual property portfolio centered around Physiocrine-based compositions and therapeutic applications, particularly in immunomodulation disorders related to inflammation and immunity. Additionally, the company has formed collaborations with several institutions, including the University of Nebraska Medical Center, CSL Behring, Boston Children’s Hospital, and the Medical University of South Carolina, to advance its research and development efforts. Founded in 2005 by a prominent scientist from The Scripps Research Institute, aTyr is supported by leading life sciences investors.

T2 Biosystems

Series A in 2006
T2 Biosystems is a private company developing a next-generation medical diagnostic platform that enables rapid and accurate diagnostic tests of all types on a single, easy-to-use instrument. The company's proprietary technology combines nanotechnology and miniaturized magnetic resonance (MR) technology and eliminates the need for costly and time-consuming sample preparation.

Alimera Sciences

Series B in 2005
Alimera Sciences is a pharmaceutical company whose mission is to be invaluable to patients, physicians, and partners concerned with retinal health and maintaining better vision longer. The company is passionate about protecting the retina and developing innovative treatments to preserve vision.

Biolex Therapeutics

Series B in 2005
Biolex is a clinical-stage biopharmaceutical company that uses their patented LEX SystemSM to develop hard-to-make therapeutic proteins and monoclonal antibodies that have been optimized to enhance their efficacy and potency. The LEX System is a technology that genetically transforms the aquatic plant Lemna to enable the production of biologic product candidates. Their main product aims at treating those afflicted with Hepatitis C.

Sirtris Pharmaceuticals

Series B in 2005
[Sirtris Pharmaceuticals](http://www.sirtrispharma.com) (NASDAQ: SIRT) is a biopharmaceutical company focused on discovering and developing proprietary, orally available, small molecule drugs with the potential to treat diseases associated with aging, including metabolic diseases such as Type 2 Diabetes. via: [Sirtris](http://www.sirtrispharma.com)

Sirtris Pharmaceuticals

Series A in 2004
[Sirtris Pharmaceuticals](http://www.sirtrispharma.com) (NASDAQ: SIRT) is a biopharmaceutical company focused on discovering and developing proprietary, orally available, small molecule drugs with the potential to treat diseases associated with aging, including metabolic diseases such as Type 2 Diabetes. via: [Sirtris](http://www.sirtrispharma.com)

Alimera Sciences

Series A in 2004
Alimera Sciences is a pharmaceutical company whose mission is to be invaluable to patients, physicians, and partners concerned with retinal health and maintaining better vision longer. The company is passionate about protecting the retina and developing innovative treatments to preserve vision.

Momenta Pharmaceuticals

Series C in 2004
Momenta Pharmaceuticals, Inc. is a biotechnology company specializing in the characterization and process engineering of complex molecules. These complex molecules include proteins, polypeptides, and cell surface polysaccharides, such as heparan-sulfate proteoglycans. This results in a diversified product pipeline of complex generic, follow-on biologic and novel drugs. The Company's two most advanced complex generic product candidates target marketed products, which were originally approved by the United States Food and Drug Administration as New Drug Applications. M-Enoxaparin is designed to be a generic version of Lovenox (enoxaparin sodium injection), a low-molecular weight heparin used to prevent and treat deep vein thrombosis. Its second major generic product candidate is M356, a generic version of Copaxone (glatiramer acetate injection), a drug that is indicated for the reduction of the frequency of relapses in patients with relapsing-remitting multiple sclerosis.

Hydra Biosciences

Series B in 2004
Hydra Biosciences is a biopharmaceutical company based in Cambridge, Massachusetts, develops novel drugs to treat pain, inflammation, cardiovascular and other diseases using its expertise in novel ion channels. Hydra's proprietary high throughput screening platforms enable the company to identify and develop drug candidates that address significant unmet medical needs. Hydra's ion channel drug discovery program is currently focused on channels implicated in pain, inflammation, and cardiovascular disease. Hydra's intellectual property portfolio, significant ion channel expertise, and flexible screening systems set it apart from other biopharmaceutical companies. Unlike classical sodium, calcium, or potassium voltage-gated channels Hydra's novel ion channels provide the potential to develop selective and safer ion channel drugs. Hydra has raised significant financing from blue-chip investors since its inception. This prominent group of investors includes Abingworth Ventures, Advanced Technology Ventures, Polaris Ventures, Lilly Bio Ventures, New Enterprise Associates, BioVentures Investors, Biogen Idec, Boston Medical Investors, and MedImmune Ventures.

Momenta Pharmaceuticals

Series B in 2003
Momenta Pharmaceuticals, Inc. is a biotechnology company specializing in the characterization and process engineering of complex molecules. These complex molecules include proteins, polypeptides, and cell surface polysaccharides, such as heparan-sulfate proteoglycans. This results in a diversified product pipeline of complex generic, follow-on biologic and novel drugs. The Company's two most advanced complex generic product candidates target marketed products, which were originally approved by the United States Food and Drug Administration as New Drug Applications. M-Enoxaparin is designed to be a generic version of Lovenox (enoxaparin sodium injection), a low-molecular weight heparin used to prevent and treat deep vein thrombosis. Its second major generic product candidate is M356, a generic version of Copaxone (glatiramer acetate injection), a drug that is indicated for the reduction of the frequency of relapses in patients with relapsing-remitting multiple sclerosis.

Hydra Biosciences

Series A in 2002
Hydra Biosciences is a biopharmaceutical company based in Cambridge, Massachusetts, develops novel drugs to treat pain, inflammation, cardiovascular and other diseases using its expertise in novel ion channels. Hydra's proprietary high throughput screening platforms enable the company to identify and develop drug candidates that address significant unmet medical needs. Hydra's ion channel drug discovery program is currently focused on channels implicated in pain, inflammation, and cardiovascular disease. Hydra's intellectual property portfolio, significant ion channel expertise, and flexible screening systems set it apart from other biopharmaceutical companies. Unlike classical sodium, calcium, or potassium voltage-gated channels Hydra's novel ion channels provide the potential to develop selective and safer ion channel drugs. Hydra has raised significant financing from blue-chip investors since its inception. This prominent group of investors includes Abingworth Ventures, Advanced Technology Ventures, Polaris Ventures, Lilly Bio Ventures, New Enterprise Associates, BioVentures Investors, Biogen Idec, Boston Medical Investors, and MedImmune Ventures.

Circe Biomedical

Private Equity Round in 2000
Circe Biomedical, Inc. develops, produces, and commercializes bioartificial organ systems. It develops bioartificial organs from isolated mammalian cells and membranes for patients suffering from acute, end-stage liver failure. The company also develops PancreAssist System, an implantable, bioartificial pancreas for severe insulin-dependent diabetics. Circe Biomedical, Inc. was incorporated in 1999 and is based in Lexington, Massachusetts.

Advanced Inhalation Research

Venture Round in 1998
Advanced Inhalation Research is a Biotechnology company.

Data Sciences International

Venture Round in 1997
DSI is a pioneering biomedical research company focused on systems physiology and pharmacology. The recognized global leader in physiologic monitoring, DSI offers telemetry, instrumentation, and software and services that help advance science. DSI serves many industries including: Pharmaceuticals, Academia, Contract Research Organizations, Biological and Chemical Defense, the Medical Device Industry, Government, and Biotechnology companies. They offer solutions that are tailored specifically to meet the unique research needs of their customers. View their video below to learn more about DSI.
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