# Who Invests With InterWest Partners: 96 Co-Investors (2026) > The 96 investors that have backed two or more of the same startups as InterWest Partners, by kind: vc firms, private equity and asset managers and corporate... Source: https://millionrounds.com/portfolio-maps/interwest-partners-co-investors (Millionrounds; every figure on the page links to its filing or article) ## VC firms 70 - [Canaan](https://millionrounds.com/fund/canaan-partners) - [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) - [Johnson & Johnson Development Corporation (JJDC)](https://millionrounds.com/fund/johnson-and-johnson-development-corporation) - [Correlation Ventures](https://millionrounds.com/fund/correlation-ventures) - [Felicis](https://millionrounds.com/fund/felicis-ventures) - [Versant Ventures](https://millionrounds.com/fund/versant-ventures) - [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) - [DFJ](https://millionrounds.com/fund/dfj) - [Domain Associates](https://millionrounds.com/fund/domain-associates) - [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) - [Sierra Ventures](https://millionrounds.com/fund/sierra-ventures) - [SV Angel](https://millionrounds.com/fund/sv-angel) - [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) - [*DF* Draper Fisher Jurvetson (DFJ)](https://millionrounds.com/fund/draper-fisher-jurvetson-dfj) - [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) - [Bain Capital Ventures](https://millionrounds.com/fund/bain-capital-ventures) - [*JS* Joshua Schachter](https://millionrounds.com/fund/joshua-schachter) - [Index Ventures](https://millionrounds.com/fund/index-ventures) - [Founders Fund](https://millionrounds.com/fund/founders-fund) - [Accelerator Ventures](https://millionrounds.com/fund/accelerator-ventures) - [Accel](https://millionrounds.com/fund/accel) - [TDF Ventures](https://millionrounds.com/fund/tdf-ventures) - [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) - [Sofinnova Investments](https://millionrounds.com/fund/sofinnova-investments) +46 more ## Private equity and asset managers 10 - [Frazier Healthcare Partners](https://millionrounds.com/fund/frazier-healthcare-partners) - [OrbiMed](https://millionrounds.com/fund/orbimed) - [MPM Capital](https://millionrounds.com/fund/mpm-bioimpact) - [Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) - [Oak Investment Partners](https://millionrounds.com/fund/oak-investment-partners) - [*SC* Sabby Capital](https://millionrounds.com/fund/sabby-capital) - [Vivo Capital](https://millionrounds.com/fund/vivo-capital) - [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) - [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) - [Mesirow Financial](https://millionrounds.com/fund/mesirow-financial) ## Corporate investors 7 - [Google Ventures](https://millionrounds.com/fund/gv) - [Intel Capital](https://millionrounds.com/fund/intel-capital) - [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) - [*CV* Citi Ventures](https://millionrounds.com/fund/citi-ventures) - [Qualcomm](https://millionrounds.com/fund/qualcomm) - [Pfizer](https://millionrounds.com/fund/pfizer) - [Qualcomm Ventures](https://millionrounds.com/fund/qualcomm-ventures) ## Angels and networks 5 - [*PB* Paul Buchheit](https://millionrounds.com/fund/paul-buchheit) - [*5G* 500 Global](https://millionrounds.com/fund/500-startups) - [*TK* Thomas Korte](https://millionrounds.com/fund/thomas-korte) - [*RC* Ron Conway](https://millionrounds.com/fund/ron-conway) - [*SA* Sam Altman](https://millionrounds.com/fund/sam-altman) ## Growth funds 4 - [*TA* Three Arch Partners](https://millionrounds.com/fund/three-arch-partners) - [Sprout Group](https://millionrounds.com/fund/sprout-group) - [Investor Growth Capital Limited](https://millionrounds.com/fund/investor-growth-capital-limited) - [St. Paul Venture Capital](https://millionrounds.com/fund/st-paul-venture-capital) ## Segment by segment ### VC firms 70 investors - [**Canaan**](https://millionrounds.com/fund/canaan-partners) VC firm United States 6 backed - [**New Enterprise Associates**](https://millionrounds.com/fund/new-enterprise-associates) VC firm United States 5 backed - [**Johnson & Johnson Development Corporation (JJDC)**](https://millionrounds.com/fund/johnson-and-johnson-development-corporation) VC firm United States 5 backed - [**Correlation Ventures**](https://millionrounds.com/fund/correlation-ventures) VC firm United States 5 backed - [**Felicis**](https://millionrounds.com/fund/felicis-ventures) VC firm United States 5 backed - [**Versant Ventures**](https://millionrounds.com/fund/versant-ventures) VC firm United States 5 backed - [**Bessemer Venture Partners**](https://millionrounds.com/fund/bessemer-venture-partners) VC firm United States 4 backed - [**DFJ**](https://millionrounds.com/fund/dfj) VC firm United States 4 backed ### Private equity and asset managers 10 investors - [**Frazier Healthcare Partners**](https://millionrounds.com/fund/frazier-healthcare-partners) Private equity United States 4 backed - [**OrbiMed**](https://millionrounds.com/fund/orbimed) Private equity United States 3 backed - [**MPM Capital**](https://millionrounds.com/fund/mpm-bioimpact) Private equity United States 3 backed - [**Goldman Sachs**](https://millionrounds.com/fund/goldman-sachs) Private equity United States 2 backed - [**Oak Investment Partners**](https://millionrounds.com/fund/oak-investment-partners) Private equity United States 2 backed - [*SC* **Sabby Capital**](https://millionrounds.com/fund/sabby-capital) Private equity United States 2 backed - [**Vivo Capital**](https://millionrounds.com/fund/vivo-capital) Private equity United States 2 backed - [**Perceptive Advisors**](https://millionrounds.com/fund/perceptive-advisors) Asset manager United States 2 backed ### Corporate investors 7 investors - [**Google Ventures**](https://millionrounds.com/fund/gv) Corporate investor United States 5 backed - [**Intel Capital**](https://millionrounds.com/fund/intel-capital) Corporate investor United States 3 backed - [**Salesforce Ventures**](https://millionrounds.com/fund/salesforce-ventures) Corporate investor United States 2 backed - [*CV* **Citi Ventures**](https://millionrounds.com/fund/citi-ventures) Corporate investor United States 2 backed - [**Qualcomm**](https://millionrounds.com/fund/qualcomm) Corporate investor United States 2 backed - [**Pfizer**](https://millionrounds.com/fund/pfizer) Corporate investor United States 2 backed - [**Qualcomm Ventures**](https://millionrounds.com/fund/qualcomm-ventures) Corporate investor United States 2 backed ### Angels and networks 5 investors - [*PB* **Paul Buchheit**](https://millionrounds.com/fund/paul-buchheit) Angel investor United States 3 backed - [*5G* **500 Global**](https://millionrounds.com/fund/500-startups) Angel investor United States 3 backed - [*TK* **Thomas Korte**](https://millionrounds.com/fund/thomas-korte) Angel investor - 3 backed - [*RC* **Ron Conway**](https://millionrounds.com/fund/ron-conway) Angel investor - 2 backed - [*SA* **Sam Altman**](https://millionrounds.com/fund/sam-altman) Angel investor United States 2 backed ### Growth funds 4 investors - [*TA* **Three Arch Partners**](https://millionrounds.com/fund/three-arch-partners) Growth fund United States 4 backed - [**Sprout Group**](https://millionrounds.com/fund/sprout-group) Growth fund United States 2 backed - [**Investor Growth Capital Limited**](https://millionrounds.com/fund/investor-growth-capital-limited) Growth fund Sweden 2 backed - [**St. Paul Venture Capital**](https://millionrounds.com/fund/st-paul-venture-capital) Growth fund United States 2 backed **How this map is made.** Every investor here has backed two or more of the same startups as InterWest Partners, in rounds we track. Grouped by kind, each ranked by how many startups it shares with InterWest Partners. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Portfolio map **InterWest Partners portfolio map** 61 startups · $5.4B](https://millionrounds.com/portfolio-maps/interwest-partners-portfolio-map)[Sector portfolio **InterWest Partners' Biotech portfolio** 21 startups · $3.0B](https://millionrounds.com/portfolio-maps/interwest-partners-biotech-portfolio)[Co-investors **Who invests with Techstars** 991 co-investors](https://millionrounds.com/portfolio-maps/techstars-co-investors)[Co-investors **Who invests with SV Angel** 988 co-investors](https://millionrounds.com/portfolio-maps/sv-angel-co-investors)[Co-investors **Who invests with Andreessen Horowitz** 977 co-investors](https://millionrounds.com/portfolio-maps/andreessen-horowitz-co-investors)[Co-investors **Who invests with Alumni Ventures** 911 co-investors](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-co-investors) ## Raising from investors like InterWest Partners? 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