Co-investors · Private equity · United Kingdom

Who invests with Janus Henderson Investors

80 investors have backed two or more of the 143 startups Janus Henderson Investors 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, 62.

80co-investors
3kinds
RA Capital Managementmost shared (62)
VC firmsmost common kind

Janus Henderson Investors's whole portfolioJanus Henderson Investors's profile

VC firms

51

+27 more

Private equity and asset managers

22

Corporate investors

7

Segment by segment

VC firms

51 investors

  1. Wellington ManagementVC firmUnited States26 backed
  2. Samsara BioCapitalVC firmUnited States17 backed
  3. TCG CrossoverVC firmUnited States13 backed
  4. Redmile GroupVC firmUnited States13 backed
  5. FidelityVC firmUnited States12 backed
  6. ARCH Venture PartnersVC firmUnited States8 backed
  7. Novo HoldingsVC firmDenmark8 backed
  8. VenrockVC firmUnited States6 backed

Private equity and asset managers

22 investors

  1. RA Capital ManagementPrivate equityUnited States62 backed
  2. Cormorant Asset ManagementPrivate equityUnited States33 backed
  3. Perceptive AdvisorsAsset managerUnited States18 backed
  4. OrbiMedPrivate equityUnited States17 backed
  5. Vivo CapitalPrivate equityUnited States14 backed
  6. TCGPrivate equityUnited States13 backed
  7. Foresite CapitalPrivate equityUnited States11 backed
  8. BlackRockAsset managerUnited States9 backed

Corporate investors

7 investors

  1. Eli LillyCorporate investorUnited States6 backed
  2. SR OneCorporate investorUnited States4 backed
  3. Google VenturesCorporate investorUnited States3 backed
  4. British Business BankCorporate investorUnited Kingdom3 backed
  5. Sanofi VenturesCorporate investorUnited States3 backed
  6. AmgenCorporate investorUnited States2 backed
  7. AbbVieCorporate investorUnited States2 backed

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

More portfolio maps

All portfolios
Portfolio mapJanus Henderson Investors portfolio map128 startups · $28BInvestments abroadJanus Henderson Investors' investments in the United States111 startups · $23BSector portfolioJanus Henderson Investors' Biotech portfolio89 startups · $21BSector portfolioJanus Henderson Investors' Pharma portfolio35 startups · $6.2BCo-investorsWho invests with DST Global194 co-investorsCo-investorsWho invests with Business Growth Fund30 co-investors

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