Third Rock Ventures

Third Rock Ventures, LLC is a Boston-based venture capital firm established in 2007, specializing in startup and early-stage investments primarily in the life sciences sector. The firm focuses on companies involved in biotechnology, medical technology, therapeutics, oncology research, and cardiovascular medical devices, among others. It aims to invest in transformational life science companies with significant growth potential and the capacity to impact the market positively. Third Rock Ventures typically leads investment rounds, making initial investments of up to $35 million, and seeks active involvement in its portfolio companies, sometimes taking on key management roles. The firm is also open to collaborations with larger pharmaceutical and biotechnology companies and has additional offices in San Francisco, California.

Mark D. Angelino

Venture Partner

Hugo Arellano-Santoyo

Senior Associate

Abbie Celniker

Partner

Alison Connors

VP of Finance

Beryl Cummings

Senior Associate

Jeffrey Finer

Venture Partner

Reid Huber

Partner

Josephine Kahn

Senior Associate

Anastasiia Kamenska

Senior Associate

Maria Kousi

Senior Associate

Mark Levin

Co-Founder and Partner

Daniel Lynch

Venture Partner

Lauren Maslin

Associate

Cary Pfeffer

Partner

Jigar Raythatha

Partner

Jigar Raythatha

Partner

Philip Reilly

Venture Partner

Noreen Rizvi

Principal

Adrienne Rothschilds

Senior Associate

Robert Tepper

Partner

Linda Vo

Senior Associate

Courtney Wallace

Venture Partner

Andrew Warren

Senior Associate

George Xu

Senior Associate

Maomao Zhang

Senior Associate

Past deals in Life Science

Terremoto Biosciences

Series A in 2022
Terremoto Biosciences is a biotechnology company focused on drug delivery and discovery, specializing in small-molecule medicines. The company utilizes lysine-based covalency to develop optimized therapies with enhanced clinical profiles and superior therapeutic benefits. Terremoto's innovative platform aims to improve existing medicines and create new treatments for serious diseases, contributing to advancements in the healthcare sector.

Ambys Medicines

Series A in 2021
Ambys Medicines, Inc. is a biotechnology company based in Redwood City, California, founded in 2016. The company focuses on discovering and developing innovative therapies for severe liver diseases. Its approach includes gene therapy, drug therapy, and cell therapy, aiming to restore liver function, halt the progression of liver disease, and address the serious complications associated with liver failure. Through its research and development efforts, Ambys Medicines seeks to significantly improve the quality of life for individuals affected by liver-related health issues.

AsherBio

Series B in 2021
Asher Biotherapeutics, Inc. is a biotechnology company focused on developing immunotherapy drugs for cancer treatment. Founded in 2019 and headquartered in South San Francisco, California, the company aims to create innovative therapeutic solutions to improve patient outcomes in oncology. Asher Bio leverages advanced technologies and research to enhance the effectiveness of immune-based therapies, positioning itself as a key player in the evolving field of cancer treatment.

AsherBio

Series A in 2021
Asher Biotherapeutics, Inc. is a biotechnology company focused on developing immunotherapy drugs for cancer treatment. Founded in 2019 and headquartered in South San Francisco, California, the company aims to create innovative therapeutic solutions to improve patient outcomes in oncology. Asher Bio leverages advanced technologies and research to enhance the effectiveness of immune-based therapies, positioning itself as a key player in the evolving field of cancer treatment.

Thrive Earlier Detection

Series B in 2020
Thrive Earlier Detection Corp. is a healthcare company dedicated to improving cancer detection through innovative technology. It focuses on the development of CancerSEEK, a liquid biopsy test that analyzes genomic mutations in tumor DNA and protein markers in plasma to identify multiple types of cancer at their earliest stages, often before symptoms become apparent. Founded in 2018 and headquartered in Cambridge, Massachusetts, with an additional office in Baltimore, Maryland, Thrive aims to integrate early cancer detection into routine medical care. The company was previously known as Thrive Sciences Inc. and has been a subsidiary of Exact Sciences Corporation since early 2021. Thrive was launched with support from various investors, including Third Rock Ventures and Section 32, reflecting a strong commitment to advancing cancer diagnostics.

Element Science

Series C in 2020
Element Science, Inc. is a medical device and digital health company focused on developing solutions for high-risk cardiovascular patients. The company's flagship product is a patch-based wearable cardioverter defibrillator that continuously monitors heart activity to protect against sudden cardiac death. This device integrates advanced data science and machine learning algorithms with strict electromechanical medical device standards, creating a proprietary digital platform that enhances patient care as individuals transition from hospital to home. Founded in 2011 and headquartered in San Francisco, California, Element Science aims to address critical health needs and reduce hospitalization rates associated with heart disease. The company was previously known as Revive Defibrillation Systems, Inc. before adopting its current name in 2014.

Thrive Earlier Detection

Series A in 2019
Thrive Earlier Detection Corp. is a healthcare company dedicated to improving cancer detection through innovative technology. It focuses on the development of CancerSEEK, a liquid biopsy test that analyzes genomic mutations in tumor DNA and protein markers in plasma to identify multiple types of cancer at their earliest stages, often before symptoms become apparent. Founded in 2018 and headquartered in Cambridge, Massachusetts, with an additional office in Baltimore, Maryland, Thrive aims to integrate early cancer detection into routine medical care. The company was previously known as Thrive Sciences Inc. and has been a subsidiary of Exact Sciences Corporation since early 2021. Thrive was launched with support from various investors, including Third Rock Ventures and Section 32, reflecting a strong commitment to advancing cancer diagnostics.

Ambys Medicines

Series A in 2018
Ambys Medicines, Inc. is a biotechnology company based in Redwood City, California, founded in 2016. The company focuses on discovering and developing innovative therapies for severe liver diseases. Its approach includes gene therapy, drug therapy, and cell therapy, aiming to restore liver function, halt the progression of liver disease, and address the serious complications associated with liver failure. Through its research and development efforts, Ambys Medicines seeks to significantly improve the quality of life for individuals affected by liver-related health issues.

Element Science

Series B in 2016
Element Science, Inc. is a medical device and digital health company focused on developing solutions for high-risk cardiovascular patients. The company's flagship product is a patch-based wearable cardioverter defibrillator that continuously monitors heart activity to protect against sudden cardiac death. This device integrates advanced data science and machine learning algorithms with strict electromechanical medical device standards, creating a proprietary digital platform that enhances patient care as individuals transition from hospital to home. Founded in 2011 and headquartered in San Francisco, California, Element Science aims to address critical health needs and reduce hospitalization rates associated with heart disease. The company was previously known as Revive Defibrillation Systems, Inc. before adopting its current name in 2014.

Element Science

Series A in 2014
Element Science, Inc. is a medical device and digital health company focused on developing solutions for high-risk cardiovascular patients. The company's flagship product is a patch-based wearable cardioverter defibrillator that continuously monitors heart activity to protect against sudden cardiac death. This device integrates advanced data science and machine learning algorithms with strict electromechanical medical device standards, creating a proprietary digital platform that enhances patient care as individuals transition from hospital to home. Founded in 2011 and headquartered in San Francisco, California, Element Science aims to address critical health needs and reduce hospitalization rates associated with heart disease. The company was previously known as Revive Defibrillation Systems, Inc. before adopting its current name in 2014.

Voyager Therapeutics

Series A in 2014
Voyager Therapeutics is a clinical-stage gene therapy company based in Cambridge, Massachusetts, focused on developing innovative treatments for severe neurological diseases. The company's lead candidate, VY-AADC, is currently undergoing an open-label Phase 1b clinical trial for Parkinson's disease. In addition to this, Voyager's preclinical pipeline includes therapies targeting amyotrophic lateral sclerosis, Huntington's disease, Friedreich's ataxia, and various tauopathies and synucleinopathies, which encompass conditions like Alzheimer's disease and Lewy Body Dementia. Voyager Therapeutics emphasizes advancing adeno-associated virus (AAV) gene therapy through innovations in vector optimization, dosing techniques, and production processes. The company has established strategic collaborations with the University of Massachusetts and ClearPoint Neuro, along with partnerships with Brammer Bio and Fujifilm Diosynth Biotechnologies to enhance its gene therapy programs. Furthermore, Voyager has a collaboration agreement with Neurocrine Biosciences for the research, development, and commercialization of AAV-based gene therapies. Founded in 2013, Voyager Therapeutics is committed to addressing critical unmet medical needs in the field of central nervous system disorders.

Zafgen

Series D in 2012
Larimar Therapeutics, Inc. is a clinical-stage biotechnology company focused on developing treatments for complex rare diseases. The company’s lead compound, CTI-1601, is currently being evaluated in a Phase 1 clinical program as a potential treatment for Friedreich’s ataxia, a rare and progressive genetic disease. Larimar also plans to use its intracellular delivery platform to design other fusion proteins to target additional rare diseases characterized by deficiencies in intracellular bioactive compounds.

Bluebird Bio

Series D in 2012
Bluebird Bio is a clinical-stage biotechnology company focused on developing transformative gene therapies for severe genetic diseases and cancer. The company is engaged in researching and commercializing therapies that aim to genetically modify patients' cells to correct the underlying genetic causes of diseases. Key programs include LentiGlobin for β-thalassemia and sickle cell disease, and Lenti-D for cerebral adrenoleukodystrophy. In oncology, bluebird bio is developing CAR T cell therapies, such as bb2121 and bb21217, for multiple myeloma. The company has formed strategic collaborations with Bristol-Myers Squibb and Regeneron Pharmaceuticals to advance gene therapies in oncology, and works with various partners to develop innovative solutions in cancer treatment and in vivo genome editing for genetic disorders. Founded in 1992 and headquartered in Cambridge, Massachusetts, bluebird bio generates revenue through collaboration arrangements, research fees, license fees, and grants.

Sesen Bio

Series A in 2012
Sesen Bio, Inc. is a late-stage clinical company focused on developing targeted fusion protein therapeutics for cancer treatment. Its lead product, Vicinium, is a locally-administered therapy currently undergoing phase 3 trials for high-risk non-muscle invasive bladder cancer (NMIBC). Vicinium is designed as a fusion protein that combines an anti-epithelial cell adhesion molecule antibody fragment with a cytotoxic protein to target cancer cells effectively. Additionally, Sesen Bio is exploring the use of Vicinium in combination with Durvalumab and other checkpoint inhibitors for various cancer indications, including squamous cell carcinoma of the head and neck. The company is also collaborating with Leiden University Medical Center on the co-development of an imaging agent. Founded in 2008 and headquartered in Cambridge, Massachusetts, Sesen Bio was previously known as Eleven Biotherapeutics before rebranding in May 2018.

Warp Drive Bio

Private Equity Round in 2012
Warp Drive Bio, LLC develops genomic technology to discover drugs of natural origin. The company also engages in the development of drugs. Warp Drive Bio, LLC was incorporated in 2010 and is based in Cambridge, Massachusetts. As of October 24, 2018, Warp Drive Bio, LLC operates as a subsidiary of REVOLUTION Medicines, Inc.

Zafgen

Series C in 2011
Larimar Therapeutics, Inc. is a clinical-stage biotechnology company focused on developing treatments for complex rare diseases. The company’s lead compound, CTI-1601, is currently being evaluated in a Phase 1 clinical program as a potential treatment for Friedreich’s ataxia, a rare and progressive genetic disease. Larimar also plans to use its intracellular delivery platform to design other fusion proteins to target additional rare diseases characterized by deficiencies in intracellular bioactive compounds.

Bluebird Bio

Series C in 2011
Bluebird Bio is a clinical-stage biotechnology company focused on developing transformative gene therapies for severe genetic diseases and cancer. The company is engaged in researching and commercializing therapies that aim to genetically modify patients' cells to correct the underlying genetic causes of diseases. Key programs include LentiGlobin for β-thalassemia and sickle cell disease, and Lenti-D for cerebral adrenoleukodystrophy. In oncology, bluebird bio is developing CAR T cell therapies, such as bb2121 and bb21217, for multiple myeloma. The company has formed strategic collaborations with Bristol-Myers Squibb and Regeneron Pharmaceuticals to advance gene therapies in oncology, and works with various partners to develop innovative solutions in cancer treatment and in vivo genome editing for genetic disorders. Founded in 1992 and headquartered in Cambridge, Massachusetts, bluebird bio generates revenue through collaboration arrangements, research fees, license fees, and grants.

Ablexis

Series A in 2010
Ablexis, LLC, a biotechnology company, provides a platform for human antibody drug discovery and development. The company offers AlivaMab Mouse, a transgenic mouse platform for the discovery and development of therapeutic antibodies to treat human diseases. It commercializes its platform through creative partnering strategies to biotechnology and pharmaceutical companies. The company was founded in 2009 and is based in San Francisco, California.

Zafgen

Series B in 2010
Larimar Therapeutics, Inc. is a clinical-stage biotechnology company focused on developing treatments for complex rare diseases. The company’s lead compound, CTI-1601, is currently being evaluated in a Phase 1 clinical program as a potential treatment for Friedreich’s ataxia, a rare and progressive genetic disease. Larimar also plans to use its intracellular delivery platform to design other fusion proteins to target additional rare diseases characterized by deficiencies in intracellular bioactive compounds.

Bluebird Bio

Series B in 2010
Bluebird Bio is a clinical-stage biotechnology company focused on developing transformative gene therapies for severe genetic diseases and cancer. The company is engaged in researching and commercializing therapies that aim to genetically modify patients' cells to correct the underlying genetic causes of diseases. Key programs include LentiGlobin for β-thalassemia and sickle cell disease, and Lenti-D for cerebral adrenoleukodystrophy. In oncology, bluebird bio is developing CAR T cell therapies, such as bb2121 and bb21217, for multiple myeloma. The company has formed strategic collaborations with Bristol-Myers Squibb and Regeneron Pharmaceuticals to advance gene therapies in oncology, and works with various partners to develop innovative solutions in cancer treatment and in vivo genome editing for genetic disorders. Founded in 1992 and headquartered in Cambridge, Massachusetts, bluebird bio generates revenue through collaboration arrangements, research fees, license fees, and grants.

Sesen Bio

Series A in 2010
Sesen Bio, Inc. is a late-stage clinical company focused on developing targeted fusion protein therapeutics for cancer treatment. Its lead product, Vicinium, is a locally-administered therapy currently undergoing phase 3 trials for high-risk non-muscle invasive bladder cancer (NMIBC). Vicinium is designed as a fusion protein that combines an anti-epithelial cell adhesion molecule antibody fragment with a cytotoxic protein to target cancer cells effectively. Additionally, Sesen Bio is exploring the use of Vicinium in combination with Durvalumab and other checkpoint inhibitors for various cancer indications, including squamous cell carcinoma of the head and neck. The company is also collaborating with Leiden University Medical Center on the co-development of an imaging agent. Founded in 2008 and headquartered in Cambridge, Massachusetts, Sesen Bio was previously known as Eleven Biotherapeutics before rebranding in May 2018.
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