Co-investors · Growth fund · United States

TA

Who invests with Three Arch Partners

20 investors have backed two or more of the 30 startups Three Arch Partners has backed in rounds we track. Grouped by kind, each ranked by how many of these startups it shares; Versant Ventures shares the most, 5.

20co-investors
2kinds
Versant Venturesmost shared (5)
VC firmsmost common kind

Three Arch Partners's whole portfolioThree Arch Partners's profile

VC firms

16

Growth funds

4

Segment by segment

VC firms

16 investors

  1. Versant VenturesVC firmUnited States5 backed
  2. Delphi VenturesVC firmUnited States4 backed
  3. Polaris PartnersVC firmUnited States4 backed
  4. InterWest PartnersVC firmUnited States4 backed
  5. AMAccuitive Medical VenturesVC firmUnited States3 backed
  6. ONSET VenturesVC firmUnited States3 backed
  7. Alta PartnersVC firmUnited States3 backed
  8. New Leaf Venture PartnersVC firmUnited States3 backed

Growth funds

4 investors

  1. Sprout GroupGrowth fundUnited States4 backed
  2. Investor Growth Capital LimitedGrowth fundSweden2 backed
  3. MedtronicGrowth fundUnited States2 backed
  4. CCCutlass CapitalGrowth fundUnited States2 backed

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

More portfolio maps

All portfolios
Portfolio mapThree Arch Partners portfolio map23 startups · $1.0BCo-investorsWho invests with Citibank247 co-investorsCo-investorsWho invests with Bond101 co-investorsCo-investorsWho invests with RTW Investments LLC47 co-investorsCo-investorsWho invests with S2G Investments42 co-investorsCo-investorsWho invests with Spark31 co-investors

Raising from investors like Three Arch Partners?

Find the investors who back startups like yours, with their cheques, rounds and partners, in the app with filters, lists and exports.

Find investorsMarket maps