What does RTW Investments LLC invest in?
RTW Investments LLC invests most often at Series B and Venture (54% of the rounds on record), in sectors such as Internet, Ride Sharing and Business Development.

United States · Investor
Last cheque observed Oct 2026; 87 cheques on record.
Deploying nowGrowth equity
33 cheques in the last 12 months
Mostly Series B and Venture: 54% of its rounds
Sole investor in 5 rounds, median $108M
Every round we can evidence, newest first87 appearances
22 rounds
28 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 18 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
3 private funds, $8.4B in gross assets · filed Mar 2024
Hedge 2Private equity 1
The investors most often in the same rounds as RTW Investments LLC. A count of rooms they were both in, not a relationship either has claimed.
The latest companies RTW Investments LLC put money into.
RTW Investments LLC invests most often at Series B and Venture (54% of the rounds on record), in sectors such as Internet, Ride Sharing and Business Development.
87 investments on record, 33 of them in the last 12 months, and it led 2. The most recent was in Oct 2026.
Its most recent investments on record: Zai Lab (Undisclosed round, Oct 2026), Pyxis Oncology (Undisclosed round, Sept 2026) and MoonLake Immunotherapeutics (Undisclosed round, Jun 2026).
The median round it joins is $125M.
Sometimes: it led 2 of its 87 investments on record (2%).
Most of the companies it backs are in the United States (84%) and Switzerland (8%).
Yes: it is actively investing, with 33 investments in the last 12 months.
Most often RA Capital Management (23 rounds together), Janus Henderson Investors (20 rounds together) and Cormorant Asset Management (18 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