Co-investors · Growth fund · United States

Who invests with RTW Investments LLC

47 investors have backed two or more of the 72 startups RTW Investments LLC has backed in rounds we track. Grouped by kind, each ranked by how many of these startups it shares; RA Capital Management shares the most, 22.

47co-investors
3kinds
RA Capital Managementmost shared (22)
VC firmsmost common kind

RTW Investments LLC's whole portfolioRTW Investments LLC's profile

VC firms

28

+4 more

Private equity and asset managers

16

Corporate investors

3

Segment by segment

VC firms

28 investors

  1. Samsara BioCapitalVC firmUnited States8 backed
  2. TCG CrossoverVC firmUnited States8 backed
  3. Wellington ManagementVC firmUnited States6 backed
  4. Redmile GroupVC firmUnited States5 backed
  5. FidelityVC firmUnited States5 backed
  6. Qiming Venture PartnersVC firmHong Kong SAR China5 backed
  7. NovartisVC firmSwitzerland4 backed
  8. Novo HoldingsVC firmDenmark4 backed

Private equity and asset managers

16 investors

  1. RA Capital ManagementPrivate equityUnited States22 backed
  2. Janus Henderson InvestorsPrivate equityUnited Kingdom21 backed
  3. Perceptive AdvisorsAsset managerUnited States15 backed
  4. OrbiMedPrivate equityUnited States13 backed
  5. Cormorant Asset ManagementPrivate equityUnited States13 backed
  6. TCGPrivate equityUnited States7 backed
  7. Vivo CapitalPrivate equityUnited States7 backed
  8. Blue OwlAsset managerUnited States6 backed

Corporate investors

3 investors

  1. Eli LillyCorporate investorUnited States3 backed
  2. SR OneCorporate investorUnited States2 backed
  3. Google VenturesCorporate investorUnited States2 backed

How this map is made. Every investor here has backed two or more of the same startups as RTW Investments LLC, in rounds we track. Grouped by kind, each ranked by how many startups it shares with RTW Investments LLC. Rebuilt nightly; updated 15 November 2026.

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Portfolio mapRTW Investments LLC portfolio map69 startups · $14BSector portfolioRTW Investments LLC's Biotech portfolio52 startups · $11BSector portfolioRTW Investments LLC's Pharma portfolio13 startups · $3.2BCo-investorsWho invests with Citibank247 co-investorsCo-investorsWho invests with Bond101 co-investorsCo-investorsWho invests with S2G Investments42 co-investors

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