# Who Invests With Oak Investment Partners: 44 Co-Investors (2026) > The 44 investors that have backed two or more of the same startups as Oak Investment Partners, by kind: vc firms, private equity and asset managers and... Source: https://millionrounds.com/portfolio-maps/oak-investment-partners-co-investors (Millionrounds; every figure on the page links to its filing or article) ## VC firms 36 - [Accel](https://millionrounds.com/fund/accel) - [Amadeus Capital Partners](https://millionrounds.com/fund/amadeus-capital-partners) - [Meritech Capital Partners](https://millionrounds.com/fund/meritech-capital-partners) - [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) - [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) - [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) - [*LV* Lerer Ventures](https://millionrounds.com/fund/lerer-ventures) - [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) - [IDG Ventures](https://millionrounds.com/fund/idg-ventures) - [Worldview Technology Partners](https://millionrounds.com/fund/worldview-technology-partners) - [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) - [Foundation Capital](https://millionrounds.com/fund/foundation-capital) - [Balderton Capital](https://millionrounds.com/fund/balderton-capital) - [Allegis Capital](https://millionrounds.com/fund/allegis-capital) - [InterWest Partners](https://millionrounds.com/fund/interwest-partners) - [Formative Ventures](https://millionrounds.com/fund/formative-ventures) - [Bay Partners](https://millionrounds.com/fund/bay-partners) - [General Catalyst](https://millionrounds.com/fund/general-catalyst) - [Founders Fund](https://millionrounds.com/fund/founders-fund) - [Index Ventures](https://millionrounds.com/fund/index-ventures) - [Gary Vaynerchuk](https://millionrounds.com/fund/gary-vaynerchuk) - [Rustic Canyon Partners](https://millionrounds.com/fund/rustic-canyon-partners) - [GGV Capital](https://millionrounds.com/fund/ggv-capital) - [BoxGroup](https://millionrounds.com/fund/boxgroup) +12 more ## Private equity and asset managers 5 - [Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) - [3i Group](https://millionrounds.com/fund/3i-group) - [Vision Capital](https://millionrounds.com/fund/vision-capital) - [Generation Partners](https://millionrounds.com/fund/generation-partners) - [Gaingels](https://millionrounds.com/fund/gaingels) ## Corporate investors 3 - [Intel Capital](https://millionrounds.com/fund/intel-capital) - [BASF Venture Capital](https://millionrounds.com/fund/basf-venture-capital) - [Steamboat Ventures](https://millionrounds.com/fund/steamboat-ventures) ## Segment by segment ### VC firms 36 investors - [**Accel**](https://millionrounds.com/fund/accel) VC firm United States 6 backed - [**Amadeus Capital Partners**](https://millionrounds.com/fund/amadeus-capital-partners) VC firm United Kingdom 6 backed - [**Meritech Capital Partners**](https://millionrounds.com/fund/meritech-capital-partners) VC firm United States 4 backed - [**Khosla Ventures**](https://millionrounds.com/fund/khosla-ventures) VC firm United States 4 backed - [**Kleiner Perkins Caufield & Byers**](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) VC firm United States 3 backed - [**Bessemer Venture Partners**](https://millionrounds.com/fund/bessemer-venture-partners) VC firm United States 3 backed - [*LV* **Lerer Ventures**](https://millionrounds.com/fund/lerer-ventures) VC firm United States 3 backed - [**New Enterprise Associates**](https://millionrounds.com/fund/new-enterprise-associates) VC firm United States 3 backed ### Private equity and asset managers 5 investors - [**Goldman Sachs**](https://millionrounds.com/fund/goldman-sachs) Private equity United States 4 backed - [**3i Group**](https://millionrounds.com/fund/3i-group) Private equity United Kingdom 4 backed - [**Vision Capital**](https://millionrounds.com/fund/vision-capital) Private equity United Kingdom 2 backed - [**Generation Partners**](https://millionrounds.com/fund/generation-partners) Private equity United States 2 backed - [**Gaingels**](https://millionrounds.com/fund/gaingels) Private equity United States 2 backed ### Corporate investors 3 investors - [**Intel Capital**](https://millionrounds.com/fund/intel-capital) Corporate investor United States 7 backed - [**BASF Venture Capital**](https://millionrounds.com/fund/basf-venture-capital) Corporate investor Germany 2 backed - [**Steamboat Ventures**](https://millionrounds.com/fund/steamboat-ventures) Corporate investor United States 2 backed **How this map is made.** Every investor here has backed two or more of the same startups as Oak Investment Partners, in rounds we track. Grouped by kind, each ranked by how many startups it shares with Oak Investment Partners. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Portfolio map **Oak Investment Partners portfolio map** 39 startups ยท $3.5B](https://millionrounds.com/portfolio-maps/oak-investment-partners-portfolio-map)[Co-investors **Who invests with Gaingels** 610 co-investors](https://millionrounds.com/portfolio-maps/gaingels-co-investors)[Co-investors **Who invests with Goldman Sachs** 398 co-investors](https://millionrounds.com/portfolio-maps/goldman-sachs-co-investors)[Co-investors **Who invests with General Atlantic** 207 co-investors](https://millionrounds.com/portfolio-maps/general-atlantic-co-investors)[Co-investors **Who invests with Pioneer Fund** 197 co-investors](https://millionrounds.com/portfolio-maps/pioneer-fund-2-co-investors)[Co-investors **Who invests with T. Rowe Price** 174 co-investors](https://millionrounds.com/portfolio-maps/t-rowe-price-co-investors) ## Raising from investors like Oak Investment Partners? Find the investors who back startups like yours, with their cheques, rounds and partners, in the app with filters, lists and exports. [Find investors](https://millionrounds.com/login?join=1&next=/app/investors)[Market maps](https://millionrounds.com/market-maps)