RA Capital Management is a Boston-based investment firm specializing in life sciences and drug development. The firm engages in multi-stage investments, including Series A, B, C, and beyond, focusing on companies developing drugs, medical devices, diagnostics, services, and research tools. RA Capital leverages its team's deep expertise in biology, chemistry, and medicine to identify and support promising technologies and products.
Notable portfolio companies include Moderna, Arvinas, and Nimbus Therapeutics. Key partners at RA Capital bring significant industry experience and have held executive and board-level positions. The firm's investment philosophy centers on evidence-based decision-making. RA Capital offers unique value-add services such as strategic guidance, operational support, and access to a broad network of industry experts to help portfolio companies navigate from lab to market.
Ra Capital Management - Portfolio Snapshot
Portfolio activity breakdown across disclosed investments and stages
Total Investments210
Current Portfolio Count147
Total Portfolio Exits9
Top Investment Stages
Series B62 (36.0%)
Series A42 (24.4%)
Series C35 (20.3%)
Post Ipo Equity19 (11.0%)
Seed14 (8.1%)
Stage Mix
Series B 36%Series A 24%Series C 20%Post Ipo Equity 11%Seed 8%
Concentration shown as share of disclosed investments by stage.
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Ra Capital Management - Classification
- Also Known As
- RA Capital Management, L.P.
- NAICS
- 520000Finance and Insurance
- 523000Securities, Commodity Contracts, and Other Financial Investments and Related Activities
- 523900Other Financial Investment Activities
- 523990All Other Financial Investment Activities
- 523999Miscellaneous Financial Investment Activities
- SIC
- 6700Holding And Other Investment Offices
- 6720Investment Offices
- 6722Management Investment Offices, Open-end
- ISIC
- 6430Trusts, funds and similar financial entities
Show 5 more industry codes
- NAICS
- 525900Other Investment Pools and Funds
- 525990Other Financial Vehicles
- 525000Funds, Trusts, and Other Financial Vehicles
- SIC
- 6726Unit Investment Trusts, Face-amount Certificate Offices
- 6000Depository Institutions