Co-investors · VC firm · United States

Who invests with Longwood Fund

27 investors have backed two or more of the 37 startups Longwood Fund 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, 6.

27co-investors
3kinds
RA Capital Managementmost shared (6)
VC firmsmost common kind

Longwood Fund's whole portfolioLongwood Fund's profile

VC firms

15

Private equity and asset managers

9

Corporate investors

3

Segment by segment

VC firms

15 investors

  1. Novo HoldingsVC firmDenmark5 backed
  2. AVAlexandria Venture InvestmentsVC firm-4 backed
  3. ARCH Venture PartnersVC firmUnited States3 backed
  4. DeerfieldVC firmUnited States3 backed
  5. DCVCVC firmUnited States3 backed
  6. Bessemer Venture PartnersVC firmUnited States2 backed
  7. EQT Life SciencesVC firmNetherlands2 backed
  8. Wellington ManagementVC firmUnited States2 backed

Private equity and asset managers

9 investors

  1. RA Capital ManagementPrivate equityUnited States6 backed
  2. Cormorant Asset ManagementPrivate equityUnited States4 backed
  3. Foresite CapitalPrivate equityUnited States3 backed
  4. Forbion Capital PartnersPrivate equityNetherlands3 backed
  5. OrbiMedPrivate equityUnited States3 backed
  6. MPM CapitalPrivate equityUnited States2 backed
  7. Perceptive AdvisorsAsset managerUnited States2 backed
  8. Sands Capital VenturesPrivate equityUnited States2 backed

Corporate investors

3 investors

  1. SR OneCorporate investorUnited States3 backed
  2. Google VenturesCorporate investorUnited States2 backed
  3. Novartis Venture FundCorporate investorSwitzerland2 backed

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

More portfolio maps

All portfolios
Sector portfolioLongwood Fund's Biotech portfolio27 startups · $2.4BCo-investorsWho invests with Techstars991 co-investorsCo-investorsWho invests with SV Angel988 co-investorsCo-investorsWho invests with Andreessen Horowitz977 co-investorsCo-investorsWho invests with Alumni Ventures911 co-investorsCo-investorsWho invests with Sequoia Capital827 co-investors

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