Skip to content

RA CAPITAL MANAGEMENT, LP

RA CAPITAL MANAGEMENT, LP is a Seed, Series A, Series B, Series C+, debt and other fund in the US and Global writing $500K–$75M checks into Climate, Healthcare and biotechnology.

Stages
Seed, Series A, Series B, Series C+, debt, other
Sectors
Climate, Healthcare, biotechnology
Check size
$500K–$75M
Invests in
US-wide, Global
Actively investing
Yes
Founded
2004
Assets under management
$12.6B
Website
racap.com

Thesis

RA Capital Management, founded in 2004, is an investment firm based in Boston that focuses on the healthcare, biotechnology, and planetary health industries. The firm employs an evidence-based investing approach, targeting healthcare and life sciences sectors, including drug discovery, oncology, infectious diseases, autoimmune conditions, gene therapies, medical devices, and diagnostics. They also invest in planetary health, focusing on resource availability, energy innovation, and industrial productivity. RA Capital invests across all stages of development, from seed funding to public follow-on financings, with a global scope and a particular emphasis on North America. The firm's AUM is approximately $12.6 billion as of March 2025. RA Capital has several funds, including the Planetary Health Fund ($120 million), Nexus Fund II ($461 million), and Nexus Fund III ($880 million).

Common questions

Does RA CAPITAL MANAGEMENT, LP invest at the Seed stage?

Yes. RA CAPITAL MANAGEMENT, LP lists Seed, Series A, Series B, Series C+, debt and other among the stages it invests in.

What check size does RA CAPITAL MANAGEMENT, LP write?

RA CAPITAL MANAGEMENT, LP writes $500K–$75M checks.

Where does RA CAPITAL MANAGEMENT, LP invest?

RA CAPITAL MANAGEMENT, LP invests in the US and Global.

Related lists