Third Rock Ventures

Third Rock Ventures is a Boston-based venture capital firm that specializes in start-up and early-stage investments in life sciences companies, including biotechnology, pharmaceuticals, medical devices, diagnostics, therapeutics, and related information technology and data applications. Founded in 2007, the firm focuses on transformational ventures in the United States and commonly makes substantial initial investments, often leading rounds and pursuing strategic collaborations with larger pharmaceutical and biotechnology companies. It emphasizes active involvement in its portfolio, sometimes taking key management roles to accelerate development, and seeks to support companies through strategic partnerships, milestones, and scale-up efforts. While headquartered in Boston, it maintains a presence in San Francisco to engage with the broader life sciences ecosystem.

Mark Angelino

Venture Partner

Hugo Arellano-Santoyo

Senior Associate

Abbie Celniker Ph.D

Partner

Alison Connors

CFO

Beryl Cummings

Senior Associate

Past deals in Pharmaceuticals

Merida Biosciences

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

Trace Neuroscience

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

Seaport Therapeutics

Series B in 2024
Seaport Therapeutics is a clinical-stage biopharmaceutical company focused on developing novel neuropsychiatric medicines in areas of high patient need. Its innovative approach aims to improve oral bioavailability, thereby reducing side effects such as hepatotoxicity and enhancing patients' quality of life with neuropsychiatric disorders.

CARGO Therapeutics

Post in 2024
CARGO Therapeutics is a clinical-stage biotechnology company developing next-generation CAR T-cell therapies to overcome cancer treatment resistance and access barriers. The company focuses on addressing limitations of approved autologous CAR T therapies, including manufacturing constraints, long turnaround times, and reimbursement challenges, to broaden patient access to potentially curative treatments. Its programs aim to deliver novel solutions that improve cancer treatment outcomes and patient experience. One of its product candidates, CRG-023, is a tri-specific CAR T designed to overcome relapse by targeting multiple B-cell antigens (CD19, CD20, CD22) and addressing mechanisms such as antigen loss, insufficient co-stimulation, and T cell exhaustion.

Asher Bio

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

Seaport Therapeutics

Series A in 2024
Seaport Therapeutics is a clinical-stage biopharmaceutical company focused on developing novel neuropsychiatric medicines in areas of high patient need. Its innovative approach aims to improve oral bioavailability, thereby reducing side effects such as hepatotoxicity and enhancing patients' quality of life with neuropsychiatric disorders.

Clasp Therapeutics

Series A in 2024
Clasp Therapeutics develops precision oncology platforms to identify neoantigens from driver mutations in hard-to-treat cancers. Its technology enables the creation of targeted therapies that selectively bind to HLA-presented peptides, allowing for precise destruction of cancer cells across various tumor types.

Synnovation Therapeutics

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

Terremoto Biosciences

Series B in 2023
Terremoto Biosciences is a biotechnology company that develops innovative drug delivery systems. Its platform enables the creation of optimized small-molecule medicines, aiming to enhance therapeutic benefits and potentially cure diseases.

Rapport Therapeutics

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

Septerna

Series B in 2023
Septerna is a biotechnology company focused on discovering and developing oral small-molecule medicines that target G protein-coupled receptors (GPCRs). It operates a proprietary Native Complex Platform to accelerate GPCR drug discovery and aims to deliver therapies across endocrinology, immunology and inflammation, and metabolic diseases. The company is advancing a GPCR-focused pipeline with candidates such as SEP-786 (PTH1R) and SEP-631 (MRGPRX2), along with programs targeting TSHR, GLP-1R, GIPR, and GCGR, with the goal of translating GPCR biology into orally available medicines that address unmet patient needs.

Flare Therapeutics

Series B in 2023
Flare Therapeutics is a biotechnology company that develops small-molecule medicines by targeting transcription factors. It focuses on identifying switch sites—druggable regions that regulate transcription factor activity—to address disease-causing mutations. Leveraging insights into transcription factor biology, Flare aims to translate this understanding into precision medicines, building an early pipeline that is initially focused on precision oncology with potential expansions into neurology, rare genetic disorders, immunology, and inflammation. The company combines a drug-discovery platform with a biology-led approach to discover therapies that alter the trajectory of diseases driven by transcription factor dysregulation.

Rapport Therapeutics

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

CARGO Therapeutics

Series A in 2023
CARGO Therapeutics is a clinical-stage biotechnology company developing next-generation CAR T-cell therapies to overcome cancer treatment resistance and access barriers. The company focuses on addressing limitations of approved autologous CAR T therapies, including manufacturing constraints, long turnaround times, and reimbursement challenges, to broaden patient access to potentially curative treatments. Its programs aim to deliver novel solutions that improve cancer treatment outcomes and patient experience. One of its product candidates, CRG-023, is a tri-specific CAR T designed to overcome relapse by targeting multiple B-cell antigens (CD19, CD20, CD22) and addressing mechanisms such as antigen loss, insufficient co-stimulation, and T cell exhaustion.

Casma Therapeutics

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

Terremoto Biosciences

Series A in 2022
Terremoto Biosciences is a biotechnology company that develops innovative drug delivery systems. Its platform enables the creation of optimized small-molecule medicines, aiming to enhance therapeutic benefits and potentially cure diseases.

MoMa Therapeutics

Series B in 2022
Founded in 2019 and based in Cambridge, Massachusetts, MoMa Therapeutics discovers precision medicines by targeting molecular machines underlying human diseases. The company's platform enables drug development from previously intractable enzyme classes.

Septerna

Series A in 2022
Septerna is a biotechnology company focused on discovering and developing oral small-molecule medicines that target G protein-coupled receptors (GPCRs). It operates a proprietary Native Complex Platform to accelerate GPCR drug discovery and aims to deliver therapies across endocrinology, immunology and inflammation, and metabolic diseases. The company is advancing a GPCR-focused pipeline with candidates such as SEP-786 (PTH1R) and SEP-631 (MRGPRX2), along with programs targeting TSHR, GLP-1R, GIPR, and GCGR, with the goal of translating GPCR biology into orally available medicines that address unmet patient needs.

Merida Biosciences

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

Cedilla Therapeutics

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

Asher Bio

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

Flare Therapeutics

Series A in 2021
Flare Therapeutics is a biotechnology company that develops small-molecule medicines by targeting transcription factors. It focuses on identifying switch sites—druggable regions that regulate transcription factor activity—to address disease-causing mutations. Leveraging insights into transcription factor biology, Flare aims to translate this understanding into precision medicines, building an early pipeline that is initially focused on precision oncology with potential expansions into neurology, rare genetic disorders, immunology, and inflammation. The company combines a drug-discovery platform with a biology-led approach to discover therapies that alter the trajectory of diseases driven by transcription factor dysregulation.

Asher Bio

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

insitro

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

Decibel Therapeutics

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

Cedilla Therapeutics

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

Casma Therapeutics

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

insitro

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

MoMa Therapeutics

Series A in 2020
Founded in 2019 and based in Cambridge, Massachusetts, MoMa Therapeutics discovers precision medicines by targeting molecular machines underlying human diseases. The company's platform enables drug development from previously intractable enzyme classes.

Nurix Therapeutics

Venture Round in 2020
Nurix Therapeutics is a biopharmaceutical company focused on discovering, developing, and commercializing oral small-molecule therapies that modulate cellular protein levels to treat cancer and immune disorders. It operates DELigase, an integrated discovery platform that targets E3 ligases to alter protein abundance within cells. The company's product pipeline includes targeted protein degraders such as NX-2127, an oral Bruton's tyrosine kinase degrader for relapsed or refractory B-cell malignancies, and NX-1607, an oral Casitas B-lineage lymphoma proto-oncogene-B inhibitor for immuno-oncology indications; these are in preclinical stages. Nurix also explores inhibitors of CBL-B, an E3 ligase that regulates T cell activation. The company collaborates with major industry partners, including Gilead Sciences and Sanofi, and was founded in 2009 and is headquartered in San Francisco.

Decibel Therapeutics

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

Casma Therapeutics

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

insitro

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

Cedilla Therapeutics

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

Constellation Pharmaceuticals

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

PanOptica

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

Constellation Pharmaceuticals

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

Tango Therapeutics

Series A in 2017
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.

Rhythm Pharmaceuticals

Venture Round in 2017
Rhythm Pharmaceuticals is a biopharmaceutical company dedicated to developing and commercializing peptide therapeutics for treating rare genetic disorders that cause life-threatening metabolic issues. Its lead product candidate, setmelanotide, is a potent melanocortin-4 receptor agonist designed for precision medicine to treat hyperphagia and severe obesity resulting from rare MC4R pathway diseases.

Neon Therapeutics

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

Fulcrum Therapeutics

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

PanOptica

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

Pliant Therapeutics

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

Constellation Pharmaceuticals

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

Decibel Therapeutics

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

Neon Therapeutics

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

Rhythm Metabolic

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

CytomX Therapeutics

Series C in 2015
CytomX Therapeutics is a clinical-stage oncology-focused biopharmaceutical company that develops proteolytically-activated antibodies based on its Probody technology platform. Probody therapeutics are designed to be activated by the tumor microenvironment, enabling targeted cancer immunotherapies with reduced activity in healthy tissues. The company advances antibody and antibody-drug conjugate programs such as CX-072 (PD-L1), CX-2009 (CD166-targeted PDC), BMS-986249 (CTLA-4 Probody), CX-2029 (CD71-targeted PDC), and BMS-986288 (CTLA-4 Probody) in clinical research, and maintains collaborations with AbbVie, Amgen, Bristol-Myers Squibb, ImmunoGen, Pfizer, and Astellas to develop Probody therapeutics. Founded in 2008 and headquartered in South San Francisco, the company aims to improve the precision and safety of antibody-based therapies for cancer and inflammatory diseases.

Allena Pharmaceuticals

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

Blueprint Medicines

Series C in 2014
Blueprint Medicines 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.

MyoKardia

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

Nurix Therapeutics

Series B in 2014
Nurix Therapeutics is a biopharmaceutical company focused on discovering, developing, and commercializing oral small-molecule therapies that modulate cellular protein levels to treat cancer and immune disorders. It operates DELigase, an integrated discovery platform that targets E3 ligases to alter protein abundance within cells. The company's product pipeline includes targeted protein degraders such as NX-2127, an oral Bruton's tyrosine kinase degrader for relapsed or refractory B-cell malignancies, and NX-1607, an oral Casitas B-lineage lymphoma proto-oncogene-B inhibitor for immuno-oncology indications; these are in preclinical stages. Nurix also explores inhibitors of CBL-B, an E3 ligase that regulates T cell activation. The company collaborates with major industry partners, including Gilead Sciences and Sanofi, and was founded in 2009 and is headquartered in San Francisco.

Kala Pharmaceuticals

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

PanOptica

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

SAGE Therapeutics

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

Igenica

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

Blueprint Medicines

Series B in 2014
Blueprint Medicines 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.

SAGE Therapeutics

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

Edimer Pharmaceuticals

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

Afferent Pharmaceuticals

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

Nurix Therapeutics

Venture Round in 2013
Nurix Therapeutics is a biopharmaceutical company focused on discovering, developing, and commercializing oral small-molecule therapies that modulate cellular protein levels to treat cancer and immune disorders. It operates DELigase, an integrated discovery platform that targets E3 ligases to alter protein abundance within cells. The company's product pipeline includes targeted protein degraders such as NX-2127, an oral Bruton's tyrosine kinase degrader for relapsed or refractory B-cell malignancies, and NX-1607, an oral Casitas B-lineage lymphoma proto-oncogene-B inhibitor for immuno-oncology indications; these are in preclinical stages. Nurix also explores inhibitors of CBL-B, an E3 ligase that regulates T cell activation. The company collaborates with major industry partners, including Gilead Sciences and Sanofi, and was founded in 2009 and is headquartered in San Francisco.

Kala Pharmaceuticals

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

Motus Therapeutics

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

Rhythm Pharmaceuticals

Series B in 2012
Rhythm Pharmaceuticals is a biopharmaceutical company dedicated to developing and commercializing peptide therapeutics for treating rare genetic disorders that cause life-threatening metabolic issues. Its lead product candidate, setmelanotide, is a potent melanocortin-4 receptor agonist designed for precision medicine to treat hyperphagia and severe obesity resulting from rare MC4R pathway diseases.

Foundation Medicine

Series B in 2012
Foundation Medicine, Inc. is a biotechnology company based in Cambridge, Massachusetts, that specializes in providing molecular information products for cancer diagnosis and treatment. The company utilizes advanced genomic profiling technologies to analyze tumor specimens, enabling healthcare providers to gain insights into individual patients' cancer profiles. This information assists in optimizing treatment strategies, particularly for targeted therapies and immunotherapies. Foundation Medicine’s product offerings include FoundationOne for solid tumors, FoundationOne Heme for blood-based cancers, and various diagnostic assays to support clinical decision-making in oncology. The company also maintains a knowledgebase, FoundationCORE, to disseminate scientific advancements and strengthen collaborations within the oncology community. Foundation Medicine has established strategic partnerships with major pharmaceutical companies and research organizations to enhance precision medicine initiatives and develop companion diagnostics for specific therapies. Founded in 2009, Foundation Medicine operates as a subsidiary of Roche Holdings, Inc.

MyoKardia

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

CytomX Therapeutics

Series B in 2012
CytomX Therapeutics is a clinical-stage oncology-focused biopharmaceutical company that develops proteolytically-activated antibodies based on its Probody technology platform. Probody therapeutics are designed to be activated by the tumor microenvironment, enabling targeted cancer immunotherapies with reduced activity in healthy tissues. The company advances antibody and antibody-drug conjugate programs such as CX-072 (PD-L1), CX-2009 (CD166-targeted PDC), BMS-986249 (CTLA-4 Probody), CX-2029 (CD71-targeted PDC), and BMS-986288 (CTLA-4 Probody) in clinical research, and maintains collaborations with AbbVie, Amgen, Bristol-Myers Squibb, ImmunoGen, Pfizer, and Astellas to develop Probody therapeutics. Founded in 2008 and headquartered in South San Francisco, the company aims to improve the precision and safety of antibody-based therapies for cancer and inflammatory diseases.

Global Blood Therapeutics

Series A in 2012
Global Blood Therapeutics, Inc. is a clinical-stage biopharmaceutical company based in South San Francisco, California, focused on developing innovative therapies for underserved patient communities, particularly those affected by blood disorders. The company is advancing its lead product candidate, Oxbryta (voxelotor), which is an oral, once-daily therapy designed for the treatment of sickle cell disease (SCD). Oxbryta has completed Phase III clinical trials in adult and adolescent patients and is currently being evaluated for safety and pharmacokinetics in a Phase IIa trial involving pediatric patients. In addition to its efforts in SCD, Global Blood Therapeutics is engaged in research and development for other blood-related conditions, including hereditary angioedema, and holds licensed rights to its product candidates in multiple regions, including the United States and Europe.

Motus Therapeutics

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

Igenica

Series C in 2012
Igenica, Inc. is a biotherapeutic company based in Burlingame, California, that specializes in the discovery and development of antibodies and antibody-drug conjugates (ADCs) for cancer treatment. Founded in 2008, the company focuses on creating innovative immunotherapies and functional antibodies targeting tumors. Its product pipeline includes IGN523, a humanized monoclonal antibody for various hematologic and solid tumors; IGN786, an antibody-drug conjugate; and IGN381, an immune checkpoint target that enhances the tumor microenvironment. Igenica operates with a strategic oncology research agreement with MedImmune and is supported by a leadership team experienced in antibody drug discovery and clinical development. As of 2017, Igenica operates as a subsidiary of Pierre Fabre Medicament SA, positioning it to leverage additional resources and expertise in the biotherapeutics field.

Nurix Therapeutics

Seed Round in 2012
Nurix Therapeutics is a biopharmaceutical company focused on discovering, developing, and commercializing oral small-molecule therapies that modulate cellular protein levels to treat cancer and immune disorders. It operates DELigase, an integrated discovery platform that targets E3 ligases to alter protein abundance within cells. The company's product pipeline includes targeted protein degraders such as NX-2127, an oral Bruton's tyrosine kinase degrader for relapsed or refractory B-cell malignancies, and NX-1607, an oral Casitas B-lineage lymphoma proto-oncogene-B inhibitor for immuno-oncology indications; these are in preclinical stages. Nurix also explores inhibitors of CBL-B, an E3 ligase that regulates T cell activation. The company collaborates with major industry partners, including Gilead Sciences and Sanofi, and was founded in 2009 and is headquartered in San Francisco.

Sesen Bio

Series A in 2012
Sesen Bio, Inc. is a late-stage clinical company based in Cambridge, Massachusetts, that focuses on the design, development, and commercialization of targeted fusion protein therapeutics for cancer treatment. The company's lead product candidate, Vicinium, is a locally-administered therapy currently in phase 3 clinical trials aimed at treating high-risk non-muscle invasive bladder cancer. Additionally, Sesen Bio is developing VB6-845d, a systemically-administered product for various EpCAM-positive solid tumors. The company is also exploring combination therapies, including Vicinium with Durvalumab for high-risk non-muscle invasive bladder cancer and another combination for squamous cell carcinoma of the head and neck. Sesen Bio has partnered with Leiden University Medical Center to co-develop an imaging agent. Established in 2008 and previously known as Eleven Biotherapeutics, Sesen Bio has developed a proprietary platform that combines antibody fragments with cytotoxic proteins to create innovative therapies.

Kala Pharmaceuticals

Private Equity Round in 2012
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.

Warp Drive Bio

Private Equity Round in 2012
Warp Drive Bio, LLC is a biotechnology company based in Cambridge, Massachusetts, that specializes in the development of genomic technology to discover drugs derived from natural sources. Founded in 2010, the company has created a proprietary genomic search engine that utilizes customized search queries to identify hidden natural products based on their unique genomic signatures. This innovative approach enables researchers to uncover novel drug candidates and analyze their mechanisms of action, facilitating the conversion of genomes into therapeutic drugs. As of October 2018, Warp Drive Bio operates as a subsidiary of REVOLUTION Medicines, Inc.

Ember Therapeutics

Series A in 2011
Ember Therapeutics, Inc. is a clinical-stage biopharmaceutical company headquartered in New York, specializing in the development of regenerative medicines through the application of bone morphogenetic protein-7 (BMP-7). The company aims to address various health conditions, including osteoarthritis, insulin resistance, and organ fibrosis associated with chronic kidney disease and Alport syndrome, as well as metabolic diseases such as obesity and type 2 diabetes. Ember's lead product candidates include MT-006, which has completed a Phase 2a clinical trial for osteoarthritis, and several preclinical candidates targeting chronic kidney disease and metabolic disorders. The company holds approximately 450 patents related to BMP-7 and its derivatives, focusing on innovative formulations and delivery technologies. Ember Therapeutics was founded in 2010 and has positioned itself at the forefront of addressing the rising epidemic of metabolic diseases through its proprietary research in brown fat biology and insulin sensitization.

Agios Pharmaceuticals

Series C in 2011
Agios Pharmaceuticals is a biopharmaceutical company focused on developing targeted therapies in the field of cellular metabolism. It discovers and develops medicines for various indications, including hematologic malignancies, solid tumors, and rare genetic diseases.

Allena Pharmaceuticals

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

SAGE Therapeutics

Series A in 2011
SAGE Therapeutics, Inc. is a clinical-stage biopharmaceutical company headquartered in Cambridge, Massachusetts, dedicated to developing innovative treatments for central nervous system (CNS) disorders. The company's lead product, ZULRESSO, is an intravenous formulation of brexanolone specifically designed for the treatment of postpartum depression. SAGE Therapeutics is advancing a diverse product pipeline, including SAGE-217, a novel neuroactive steroid in Phase III trials for various depressive disorders and anxiety, and SAGE-324, currently in Phase II trials for essential tremors and other neurological conditions. Additionally, SAGE-718, an oxysterol-based positive allosteric modulator, has completed Phase I trials targeting multiple CNS-related disorders. The company also explores other compounds, such as SAGE-904 and SAGE-689. SAGE Therapeutics has established strategic collaborations with Shionogi & Co., Ltd. and Biogen Inc. for the development and commercialization of its key product candidates, emphasizing its commitment to addressing the challenges of brain health.

Topica Pharmaceuticals

Series B in 2011
Topica Pharmaceuticals, Inc. is a privately held clinical research stage pharmaceutical company dedicated to developing luliconazole for the treatment of onychomycosis, a fungal infection affecting the nails. With over 35 million Americans suffering from this condition and limited treatment options available, Topica focuses on luliconazole due to its potent antifungal properties and favorable safety profile. The drug can rapidly penetrate the nail plate, effectively reaching the infection site in the nail bed. Following a successful Phase 1/2a clinical trial in 2011 that demonstrated the drug's ability to cross the nail plate and its tolerability among patients, Topica is now concentrating on a comprehensive dose-finding study to prove the efficacy of luliconazole. The ultimate objective is to establish luliconazole as a highly effective and safe topical treatment for onychomycosis, addressing a significant unmet medical need.

Foundation Medicine

Series A in 2011
Foundation Medicine, Inc. is a biotechnology company based in Cambridge, Massachusetts, that specializes in providing molecular information products for cancer diagnosis and treatment. The company utilizes advanced genomic profiling technologies to analyze tumor specimens, enabling healthcare providers to gain insights into individual patients' cancer profiles. This information assists in optimizing treatment strategies, particularly for targeted therapies and immunotherapies. Foundation Medicine’s product offerings include FoundationOne for solid tumors, FoundationOne Heme for blood-based cancers, and various diagnostic assays to support clinical decision-making in oncology. The company also maintains a knowledgebase, FoundationCORE, to disseminate scientific advancements and strengthen collaborations within the oncology community. Foundation Medicine has established strategic partnerships with major pharmaceutical companies and research organizations to enhance precision medicine initiatives and develop companion diagnostics for specific therapies. Founded in 2009, Foundation Medicine operates as a subsidiary of Roche Holdings, Inc.

Constellation Pharmaceuticals

Series B in 2011
Constellation Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company based in Cambridge, Massachusetts, focused on developing innovative therapeutics for unmet medical needs in cancer treatment. The company specializes in the field of epigenetics, aiming to address cancers associated with abnormal gene expression and drug resistance. Its lead product candidates include CPI-0610, which is undergoing Phase II clinical trials for myelofibrosis in combination with ruxolitinib, and CPI-1205, currently in Phase Ib/II trials for metastatic castration-resistant prostate cancer in conjunction with androgen receptor signaling inhibitors. Additionally, Constellation is developing CPI-0209, which is in the Phase I dose escalation stage of a Phase I/II trial aimed at treating solid tumors. Founded in 2008, the company was previously known as Epigenetix, Inc. before rebranding to its current name in March 2008.

Blueprint Medicines

Series A in 2011
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.

PanOptica

Series A in 2011
PanOptica, Inc. is a biotechnology company focused on developing innovative topical eye drops for the treatment of sight-threatening eye diseases caused by abnormal or leaky blood vessels. Founded in 2009 and headquartered in Mount Arlington, New Jersey, PanOptica is advancing its lead compound, PAN-90806, a small-molecule selective VEGF receptor antagonist, which shows potential as a topical treatment for conditions such as wet age-related macular degeneration and diabetic retinopathy. The company aims to address significant unmet needs in ophthalmology by offering new therapeutic options that can improve vision and enhance the quality of life for patients suffering from debilitating eye diseases. By collaborating with pharmaceutical companies, PanOptica seeks to license and develop innovative treatments that may include enhancements to existing therapies or novel solutions for previously untreatable conditions.

CytomX Therapeutics

Series B in 2010
CytomX Therapeutics is a clinical-stage oncology-focused biopharmaceutical company that develops proteolytically-activated antibodies based on its Probody technology platform. Probody therapeutics are designed to be activated by the tumor microenvironment, enabling targeted cancer immunotherapies with reduced activity in healthy tissues. The company advances antibody and antibody-drug conjugate programs such as CX-072 (PD-L1), CX-2009 (CD166-targeted PDC), BMS-986249 (CTLA-4 Probody), CX-2029 (CD71-targeted PDC), and BMS-986288 (CTLA-4 Probody) in clinical research, and maintains collaborations with AbbVie, Amgen, Bristol-Myers Squibb, ImmunoGen, Pfizer, and Astellas to develop Probody therapeutics. Founded in 2008 and headquartered in South San Francisco, the company aims to improve the precision and safety of antibody-based therapies for cancer and inflammatory diseases.

Motus Therapeutics

Series A in 2010
Motus Therapeutics is a biotechnology company located in Boston, Massachusetts, focused on developing peptide therapeutics to address unmet needs in metabolic diseases. The company specializes in treatments for gastrointestinal disorders, with its lead product candidate, relamorelin, acting as a ghrelin agonist. Relamorelin is specifically designed for the treatment of diabetic gastroparesis, a gastrointestinal complication associated with diabetes, as well as other gastrointestinal functional disorders. Through its innovative approach, Motus Therapeutics aims to improve the quality of life for patients suffering from these conditions.

Constellation Pharmaceuticals

Series B in 2010
Constellation Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company based in Cambridge, Massachusetts, focused on developing innovative therapeutics for unmet medical needs in cancer treatment. The company specializes in the field of epigenetics, aiming to address cancers associated with abnormal gene expression and drug resistance. Its lead product candidates include CPI-0610, which is undergoing Phase II clinical trials for myelofibrosis in combination with ruxolitinib, and CPI-1205, currently in Phase Ib/II trials for metastatic castration-resistant prostate cancer in conjunction with androgen receptor signaling inhibitors. Additionally, Constellation is developing CPI-0209, which is in the Phase I dose escalation stage of a Phase I/II trial aimed at treating solid tumors. Founded in 2008, the company was previously known as Epigenetix, Inc. before rebranding to its current name in March 2008.

Ablexis

Series A in 2010
Founded in 2009, Ablexis is a biotechnology company specializing in human antibody drug discovery. It offers the AlivaMab Mouse platform for developing therapeutic antibodies to treat diseases. The company partners with biotech and pharma companies to commercialize its platform.

Sesen Bio

Series A in 2010
Sesen Bio, Inc. is a late-stage clinical company based in Cambridge, Massachusetts, that focuses on the design, development, and commercialization of targeted fusion protein therapeutics for cancer treatment. The company's lead product candidate, Vicinium, is a locally-administered therapy currently in phase 3 clinical trials aimed at treating high-risk non-muscle invasive bladder cancer. Additionally, Sesen Bio is developing VB6-845d, a systemically-administered product for various EpCAM-positive solid tumors. The company is also exploring combination therapies, including Vicinium with Durvalumab for high-risk non-muscle invasive bladder cancer and another combination for squamous cell carcinoma of the head and neck. Sesen Bio has partnered with Leiden University Medical Center to co-develop an imaging agent. Established in 2008 and previously known as Eleven Biotherapeutics, Sesen Bio has developed a proprietary platform that combines antibody fragments with cytotoxic proteins to create innovative therapies.

Afferent Pharmaceuticals

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

Constellation Pharmaceuticals

Series A in 2009
Constellation Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company based in Cambridge, Massachusetts, focused on developing innovative therapeutics for unmet medical needs in cancer treatment. The company specializes in the field of epigenetics, aiming to address cancers associated with abnormal gene expression and drug resistance. Its lead product candidates include CPI-0610, which is undergoing Phase II clinical trials for myelofibrosis in combination with ruxolitinib, and CPI-1205, currently in Phase Ib/II trials for metastatic castration-resistant prostate cancer in conjunction with androgen receptor signaling inhibitors. Additionally, Constellation is developing CPI-0209, which is in the Phase I dose escalation stage of a Phase I/II trial aimed at treating solid tumors. Founded in 2008, the company was previously known as Epigenetix, Inc. before rebranding to its current name in March 2008.

Edimer Pharmaceuticals

Series A in 2009
Edimer Pharmaceuticals is a biotechnology company focused on developing innovative treatments for X-linked Hypohydrotic Ectodermal Dysplasia (XLHED), a rare genetic disorder characterized by symptoms such as the absence of sweat glands, impaired temperature regulation, respiratory issues, and malformations of hair and teeth. The company's lead product candidate, EDI200, aims to provide significant and lasting improvements in health and quality of life for individuals affected by this condition. Edimer is guided by a team of experienced professionals in the biotechnology sector, supported by a network of distinguished clinical and scientific advisors, all committed to addressing the needs of families impacted by XLHED.

Alnara Pharmaceuticals

Series A in 2008
Alnara Pharmaceuticals, Inc. specializes in the development of novel protein therapeutics aimed at treating metabolic diseases. The company employs an innovative strategy that emphasizes the creation of effective protein therapies capable of being delivered orally to the gastrointestinal tract, ensuring they are not absorbed into the bloodstream. This unique approach positions Alnara at the forefront of therapeutic advancements for metabolic conditions, leveraging the potential of protein-based treatments to improve patient outcomes.

Agios Pharmaceuticals

Series A in 2008
Agios Pharmaceuticals is a biopharmaceutical company focused on developing targeted therapies in the field of cellular metabolism. It discovers and develops medicines for various indications, including hematologic malignancies, solid tumors, and rare genetic diseases.

Constellation Pharmaceuticals

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