RA Capital

RA Capital Management, L.P. is a Boston-based venture capital firm focused on growth capital and early-stage investments in the healthcare and life sciences sectors. Established in 2001, the firm specializes in funding companies involved in drug development, medical devices, diagnostics, and biotechnology. It engages in a range of investment stages, from seed funding to later rounds and public offerings, often preferring to co-invest and take board positions. RA Capital targets companies that are innovating in areas such as prevention, cost-effective diagnostics, genetic testing, and personalized medicine. The firm is staffed by professionals with backgrounds in biology, chemistry, and medicine, providing them with a deep understanding of the scientific and regulatory landscape. This expertise allows RA Capital to identify promising technologies and offer strategic guidance, including potential partnerships and insights into public market demands.

Ryan Berry

Analyst

Michael Calore

Director of Investor Relations

Tess Cameron

Principal

Parker Cassidy

Principal

Amanda Daniels

Operations Team

Derek DiRocco

Partner

Matthew Hammond

Principal

Nathaniel B. Horwitz

Principal

Peter Kolchinsky Ph.D

Managing Partner

Andrew Levin Ph.D

Managing Partner

Daniel Marks Ph.D

Principal

Josh Resnick

Managing Director

Zach Scheiner

Principal

Rajeev Shah

Managing Partner

Jake Simson

Partner

Laura Tadvalkar

Principal

Jack Vailas

Senior Associate

Past deals in Healthcare and Biotech

Boundless Bio

Series C in 2023
Boundless Bio, Inc., biopharma company, develops therapies and medicines for the treatment of cancers. It offers therapeutics based on extrachromosomal DNA (ecDNA) one of the drivers of the aggressive cancers, such as cancers characterized by high copy number amplification of oncogenes. The company was formerly known as Pretzel Therapeutics, Inc. Boundless Bio, Inc. was founded in 2018 and is based in LA Jolla, California.

Be Biopharma

Series B in 2022
Be Biopharma, Inc. is focused on developing innovative therapeutics derived from engineered B-cells within the immune system. The company aims to address significant limitations associated with existing cell and gene therapies, such as the challenges of administering multiple doses, unpredictable patient reactions, and the necessity of potentially harmful chemotherapy regimens prior to treatment. Be Biopharma's approach allows for the creation of durable therapies that can be re-administered without toxic conditioning, making these treatments suitable for a range of diseases, including cancer, autoimmune disorders, and infectious diseases. Founded in 2020, Be Biopharma is headquartered in Cambridge, Massachusetts.

Acrivon Therapeutics

Series B in 2021
Acrivon Therapeutics is a biotech company specializing in drug development through early clinical treatment success.

Interius BioTherapeutics

Series A in 2021
Interius BioTherapeutics is a biopharmaceutical company that targets cancer. The company spun out the University of Pennsylvania and is targeting cancer.

Forge Biologics

Series B in 2021
Forge Biologics is a gene therapy development engine founded in 2020 and headquartered in Grove City, Ohio. The company specializes in the development and manufacturing of gene therapies, focusing on transforming innovative concepts into accessible treatments for rare genetic diseases. With end-to-end capabilities, Forge Biologics helps accelerate gene therapy programs from preclinical stages through to clinical and commercial-scale production. The company collaborates with various stakeholders in the gene therapy community, including scientists, healthcare professionals, biotech and pharmaceutical companies, and patient advocacy groups. Among its notable initiatives is a unique approach combining adeno-associated virus (AAV) vectors and umbilical cord transplants to treat infantile Krabbe disease, a severe neurodegenerative disorder. Through its comprehensive services, Forge Biologics aims to provide transformative medicines that improve patient outcomes.

Boundless Bio

Series B in 2021
Boundless Bio, Inc., biopharma company, develops therapies and medicines for the treatment of cancers. It offers therapeutics based on extrachromosomal DNA (ecDNA) one of the drivers of the aggressive cancers, such as cancers characterized by high copy number amplification of oncogenes. The company was formerly known as Pretzel Therapeutics, Inc. Boundless Bio, Inc. was founded in 2018 and is based in LA Jolla, California.

Graphite Bio

Series B in 2021
At Graphite Bio, they are rapidly building a next-generation gene editing company that is driven to apply their breakthrough technology with urgency to advance gene replacement therapies and cures for people living with serious diseases. They stand apart through our ability to harness natural and highly precise cellular DNA repair machinery to achieve high efficiency, targeted gene integration to correct the underlying causes of diseases.
Day One Biopharmaceuticals is a biotechnology company focused on developing new cancer therapies for patients of all ages. The company understands that advances in cancer research now enable drug developers to identify children and adults who may benefit from the same medicine. They develop new therapies that meet the critical needs of people of all ages living with cancer starting from the biology of childhood cancer. Day One Biopharmaceuticals also focuses its efforts to bring the best medicines to families receiving the life-altering news of a new cancer diagnosis and the need for a treatment plan. It prioritizes programs that can be rapidly brought to market for both younger and older patients. The company's goal is to license and acquire the most promising products from research institutions as well as for biotechnology and pharmaceutical companies. Day One Biopharmaceuticals was founded in 2018 and is headquartered in South San Francisco, CA, USA.

IO Biotech

Series B in 2021
IO Biotech ApS is a clinical stage biotech company developing disruptive immune therapies i.e. checkpoint/cancer vaccines. Checkpoint/cancer vaccines suppress the function of regulatory immune cells and induce inflammation in the microenvironment in addition to direct targeting of cancer cells.

CANbridge Pharma

Series E in 2020
CANbridge Pharma is a biopharmaceutical company focused on the development and commercialization of healthcare products in China and North Asia, particularly for oncology and rare diseases. Established in 2012 and headquartered in Beijing, with additional offices in Shanghai, Cambridge, Taipei, and Hong Kong, the company partners with Western biopharmaceutical firms to bring clinical-stage pharmaceutical, medical device, and diagnostic products to the region. CANbridge specializes in therapies for serious medical conditions that are either unavailable or inadequately addressed in North Asia. Its key product, CAN008, is a glycosylated CD95-Fc fusion protein aimed at treating glioblastoma multiforme, while the company also has a diverse pipeline of biologics and small molecules targeting conditions such as Hunter Syndrome, hemophilia A, and various rare metabolic disorders. Through licensing and exclusive commercialization agreements, CANbridge seeks to enhance healthcare solutions for underserved patient populations in the region.

Be Biopharma

Series A in 2020
Be Biopharma, Inc. is focused on developing innovative therapeutics derived from engineered B-cells within the immune system. The company aims to address significant limitations associated with existing cell and gene therapies, such as the challenges of administering multiple doses, unpredictable patient reactions, and the necessity of potentially harmful chemotherapy regimens prior to treatment. Be Biopharma's approach allows for the creation of durable therapies that can be re-administered without toxic conditioning, making these treatments suitable for a range of diseases, including cancer, autoimmune disorders, and infectious diseases. Founded in 2020, Be Biopharma is headquartered in Cambridge, Massachusetts.
Suzhou Connect Biopharmaceuticals, Ltd., a clinical-stage company, discovers and develops novel medicines for the treatment of autoimmune diseases and inflammation. Its products in pipeline includes CBP-307, an orally-active, second-generation S1P1 agonist for the treatment of a range of autoimmune diseases, including inflammatory bowel disease, graft-versus-host disease, psoriasis, and multiple sclerosis; CBP-174 for allergic rhinitis and atopic dermatitis; and CBP-201, a novel monoclonal antibody for the treatment of atopic dermatitis, asthma, and other types of allergic inflammation. The company is headquartered in Taicang, China with operations in Melbourne and San Diego.

Legend Biotech

Series A in 2020
Legend Biotech is a biopharmaceutical company bringing impactful innovations in cell therapy, and accelerating the science. They are committed to improving the lives of patients worldwide. They are also steadfast in their goal to develop innovative cellular therapies that bring us closer to a cure. It develops cell therapies from discovery through commercialization.

CANbridge Pharma

Series D in 2020
CANbridge Pharma is a biopharmaceutical company focused on the development and commercialization of healthcare products in China and North Asia, particularly for oncology and rare diseases. Established in 2012 and headquartered in Beijing, with additional offices in Shanghai, Cambridge, Taipei, and Hong Kong, the company partners with Western biopharmaceutical firms to bring clinical-stage pharmaceutical, medical device, and diagnostic products to the region. CANbridge specializes in therapies for serious medical conditions that are either unavailable or inadequately addressed in North Asia. Its key product, CAN008, is a glycosylated CD95-Fc fusion protein aimed at treating glioblastoma multiforme, while the company also has a diverse pipeline of biologics and small molecules targeting conditions such as Hunter Syndrome, hemophilia A, and various rare metabolic disorders. Through licensing and exclusive commercialization agreements, CANbridge seeks to enhance healthcare solutions for underserved patient populations in the region.

CiVi Biopharma

Venture Round in 2018
CiVi Biopharma is a clinical stage research and development biotechnology company whose mission is to create novel cardiovascular and metabolic therapies that have meaningful value to patients. The company has multiple assets in various stages of development including Intravenous Iloprost in Phase 3 trials for treatment of Systemic Sclerosis.

Realm Therapeutics

Post in 2017
Realm Therapeutics is a biopharmaceutical company passionately committed to leveraging its proprietary technologies to protect and improve the health of adults and children. The Company's drug development focus, utilizing its immunomodulatory formulations, is targeted initially on developing small molecule therapies in inflammatory diseases with potential application in dermatology and ophthalmology, and the potential for broad applicability across a number of other diseases.

Audentes Therapeutics

Series C in 2015
Audentes Therapeutics is a clinical-stage biotechnology company dedicated to developing and commercializing gene therapy products for patients with serious, life-threatening rare diseases caused by single gene defects. The company is advancing several therapies, including AT132, currently in Phase I/II clinical trials for X-linked myotubular myopathy, and AT342, also in Phase I/II studies for Crigler-Najjar syndrome. Additionally, Audentes is exploring AT845 in preclinical studies for Pompe disease and AT307 for the CASQ2 subtype of catecholaminergic polymorphic ventricular tachycardia. The company is also working on vectorized antisense treatments for Duchenne muscular dystrophy and myotonic dystrophy type 1. Collaborations include a partnership with Genethon for XLMTM treatments and an agreement with the University of Pennsylvania for Crigler-Najjar syndrome products. Founded in 2012 and headquartered in San Francisco, California, Audentes Therapeutics operates as a subsidiary of Astellas US Holding, Inc.

Wave Life Sciences

Series B in 2015
Wave Life Sciences Ltd. is a clinical stage genetic medicine company that specializes in the design and production of novel stereopure oligonucleotides using its proprietary PRISM platform. Focused on addressing genetic defects, the company develops therapies aimed at reducing the expression of harmful proteins or converting dysfunctional proteins into functional ones. Its primary research areas include neurologic conditions affecting the central and neuromuscular systems. Wave Life Sciences has established research and collaboration agreements with major pharmaceutical companies, including Pfizer and Takeda, to advance its oligonucleotide therapeutics. Founded in 2012, the company is headquartered in Singapore and maintains research facilities in Boston and Japan. The founding scientists, Gregory Verdine and Takeshi Wada, are recognized leaders in the field, contributing their expertise to the development of innovative nucleic acid therapeutics.

Wave Life Sciences

Series A in 2015
Wave Life Sciences Ltd. is a clinical stage genetic medicine company that specializes in the design and production of novel stereopure oligonucleotides using its proprietary PRISM platform. Focused on addressing genetic defects, the company develops therapies aimed at reducing the expression of harmful proteins or converting dysfunctional proteins into functional ones. Its primary research areas include neurologic conditions affecting the central and neuromuscular systems. Wave Life Sciences has established research and collaboration agreements with major pharmaceutical companies, including Pfizer and Takeda, to advance its oligonucleotide therapeutics. Founded in 2012, the company is headquartered in Singapore and maintains research facilities in Boston and Japan. The founding scientists, Gregory Verdine and Takeshi Wada, are recognized leaders in the field, contributing their expertise to the development of innovative nucleic acid therapeutics.

Blueprint Medicines

Series C in 2014
Blueprint Medicines Corporation focuses on developing small molecule kinase inhibitors aimed at treating genomic drivers in cancers, rare diseases, and enhancing cancer immunotherapy. The company is advancing several key drug candidates, including avapritinib for systemic mastocytosis and gastrointestinal stromal tumors, BLU-263 for indolent systemic mastocytosis and other mast cell disorders, and fisogatinib for advanced hepatocellular carcinoma, currently in Phase I clinical trials. Additionally, pralsetinib targets RET-altered non-small cell lung cancer and other solid tumors, while BLU-782 is being investigated for fibrodysplasia ossificans progressive. Founded in 2008 and headquartered in Cambridge, Massachusetts, Blueprint Medicines emphasizes the development of personalized cancer therapies by leveraging insights into cancer genomics and utilizing a proprietary chemical library to identify new therapeutic compounds. The company collaborates with various partners, including Clementia Pharmaceuticals and Genentech, to enhance its research and development efforts.

OvaScience

Series B in 2012
OvaScience, Inc. was a fertility company dedicated to developing and commercializing innovative treatment options for women facing infertility challenges. The company focused on its patented technology involving the discovery of egg precursor (EggPC) cells, which aimed to transform fertility treatments. Key offerings included OvaPrime, which sought to restore egg production by utilizing a woman’s own EggPC cells; OvaTure, designed to mature these cells into fertilizable eggs outside the body; and AUGMENT, which enhanced fertilization and pregnancy rates by incorporating mitochondria from a woman’s EggPC cells. Founded in 2011 and headquartered in Waltham, Massachusetts, OvaScience was co-founded by notable figures from the life sciences field and was backed by prominent investors. In December 2018, OvaScience was acquired by Millendo Therapeutics in a reverse merger transaction.

Genelabs Technologies

Venture Round in 2006
As of January 6, 2009, Genelabs Technologies Inc. was acquired by SmithKline Beecham Corporation. Genelabs Technologies, Inc., a biopharmaceutical company, engages in the discovery and development of infectious disease therapies to improve human health. The company's product pipeline consists of infectious disease projects focusing on Hepatitis C virus infection; and late-stage clinical assets, including an investigational vaccine for hepatitis E virus that is being developed by GlaxoSmithKline; and Prestara, an investigational drug for systemic lupus erythematosus. It has license and collaboration agreement with the Novartis Institutes for BioMedical Research for HCV polymerase non-nucleoside discovery research. Genelabs Technologies also has a collaborative research agreement with the National Health Research Institutes and Genovate Biotechnology Co., Ltd. to discover and develop compounds that target the hepatitis C virus. The company was founded in 1983 and is headquartered in Redwood City, California.