RTW Investments is a life sciences-focused venture capital firm that invests in innovative therapies and technologies across private and public companies. Their strategy often involves a long-term, active approach, including incubating or founding new ventures.
88% of their portfolio is in Biotech & Life Sciences. Deal activity decreased year-over-year (4 deals in the last 12 months vs 9 prior). Average disclosed round size is $149.7M (across 24 rounds with reported amounts).
Portfolio
24
Fund Size
$6B
Top Stage
Series C
Last 12 Mo
4
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
24 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Prolium Bioscience, Inc. | Series A | $50M | Mar 2026 |
| Prolium Bioscience, Inc. | Series A | $50M | Mar 2026 |
 Corxel Pharmaceuticals | Series D | $287M | Jan 2026 |
 Crescent Biopharma | Growth | $200M | Jun 2025 |
 Umoja Biopharma | Series C | $100M | Jan 2025 |
| WWindward Bio | Series A | $200M | Jan 2025 |
 Numab Therapeutics AG | Series C | $55M | Jan 2025 |
| RRAPT Therapeutics, Inc. | Series D | $150M | Dec 2024 |
 Ottimo Pharma | Series A | $140M | Dec 2024 |
 Evommune, Inc. | Series C | $115M | Oct 2024 |
 Kailera Therapeutics | Series A | $400M | Oct 2024 |
 Aktis Oncology | Series B | $175M | Sep 2024 |
 Lycia Therapeutics, Inc. | Series C | $106.6M | May 2024 |
| Kailera Therapeutics | Unknown | $400M | Oct 2023 |
 Mineralys Therapeutics, Inc. | Series B | $118M | Jun 2022 |
 Artios Pharma Limited | Series C | $153M | Jul 2021 |
 NiKang Therapeutics | Series B | $50M | Sep 2020 |
 Athira Pharma, Inc. | Series B | $85M | Jun 2020 |
 Encoded Therapeutics, Inc. | Series C | $104M | Jun 2019 |
 Magnolia Medical Technologies | Series C | $20M | Jan 2019 |
 Beta Bionics, Inc. | Series B | $63M | Jan 2019 |
 Roivant Sciences | Growth | $200M | Nov 2018 |
 Jade Biosciences | Unknown | $95M | — |
| OOruka Therapeutics | Growth | $275M | — |
Top Co-Investors
Deep Track Capital5 shared
Perceptive Advisors4 shared
Avidity Partners4 shared
OrbiMed3 shared
Invus3 shared
RA Capital Management3 shared
Andera Partners3 shared
Franklin Templeton3 shared
Braidwell LP3 shared
Alexandria Venture Investments3 shared
Janus Henderson Investors3 shared
Redmile Group3 shared
Rock Springs Capital2 shared
SR One2 shared
Sectoral Asset Management2 shared
Atlas Venture2 shared
Frazier Life Sciences2 shared
Cormorant Asset Management2 shared
Novo Holdings2 shared
Last updated: 15 April 2026