What does RA Capital Management invest in?
RA Capital Management invests most often at Series B and Series C (54% of the rounds on record), in sectors such as Therapeutic, Cgt and Drugs.

United States · Investor
Last cheque observed Oct 2026; 394 cheques on record.
Deploying nowNew fund $122M, Jul 2025Private equity
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117 cheques in the last 12 months
Mostly Series B and Series C: 54% of its rounds
Sole investor in 17 rounds, median $21M
5 exits from the portfolio
RA Capital founds, funds, and scales companies across healthcare and planetary health to build a healthier future for all.From their own website
Every round we can evidence, newest first394 appearances
98 rounds
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
Named by the firm itself, on a filing, its Form ADV or its company registration9 named
We also hold 122 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
From the firm's own filings with the SEC, which it must file accurately by law
Funds on its Form ADV
5 private funds, $11B in gross assets · filed Mar 2024
Venture 4Hedge 1
From their own portfolio page (on their website)
Gateway ↗ Board toolsRacap
Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.
Companies it backed that were later bought or listed5 in all
An exit counts when it came after the firm's first round in the company. From historical deal records.
The investors most often in the same rounds as RA Capital Management. A count of rooms they were both in, not a relationship either has claimed.
The latest companies RA Capital Management put money into.
RA Capital Management invests most often at Series B and Series C (54% of the rounds on record), in sectors such as Therapeutic, Cgt and Drugs.
394 investments on record, 117 of them in the last 12 months, and it led 14. The most recent was in Oct 2026.
Its most recent investments on record: Star Therapeutics (Undisclosed round, Oct 2026), Zai Lab (Undisclosed round, Oct 2026) and Optivolt (Series A, Oct 2026).
The median round it joins is $93M.
Sometimes: it led 14 of its 394 investments on record (4%).
Most of the companies it backs are in the United States (84%), Canada (8%) and the United Kingdom (5%).
Yes: it is actively investing, with 117 investments in the last 12 months.
Most often Janus Henderson Investors (68 rounds together), OrbiMed (52 rounds together) and Cormorant Asset Management (45 rounds together).
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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it