# Who Invests With 645 Ventures: 55 Co-Investors (2026) > The 55 investors that have backed two or more of the same startups as 645 Ventures, by kind: vc firms and private equity and asset managers. Most often FJ Labs. Source: https://millionrounds.com/portfolio-maps/645-ventures-co-investors (Millionrounds; every figure on the page links to its filing or article) ## VC firms 52 - [FJ Labs](https://millionrounds.com/fund/fj-labs) - [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) - [General Catalyst](https://millionrounds.com/fund/general-catalyst) - [Flybridge](https://millionrounds.com/fund/flybridge) - [Correlation Ventures](https://millionrounds.com/fund/correlation-ventures) - [Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) - [Eniac Ventures](https://millionrounds.com/fund/eniac-ventures) - [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) - [QED Investors](https://millionrounds.com/fund/qed-investors) - [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) - [Village Global](https://millionrounds.com/fund/village-global) - [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) - [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) - [Costanoa Ventures](https://millionrounds.com/fund/costanoa-ventures) - [Comma Capital](https://millionrounds.com/fund/comma-capital) - [Unusual Ventures](https://millionrounds.com/fund/unusual-ventures) - [Bossa Invest](https://millionrounds.com/fund/bossa-invest) - [Bling Capital](https://millionrounds.com/fund/bling-capital) - [NFX](https://millionrounds.com/fund/nfx) - [Urban Innovation Fund](https://millionrounds.com/fund/urban-innovation-fund) - [Rally Ventures](https://millionrounds.com/fund/rally-ventures) - [Coatue](https://millionrounds.com/fund/coatue-management) - [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) - [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) +28 more ## Private equity and asset managers 3 - [Gaingels](https://millionrounds.com/fund/gaingels) - [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) - [Washington Harbour Partners Lp](https://millionrounds.com/fund/washington-harbour-partners-lp) ## Segment by segment ### VC firms 52 investors - [**FJ Labs**](https://millionrounds.com/fund/fj-labs) VC firm United States 6 backed - [**Alumni Ventures**](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm United States 5 backed - [**General Catalyst**](https://millionrounds.com/fund/general-catalyst) VC firm United States 4 backed - [**Flybridge**](https://millionrounds.com/fund/flybridge) VC firm United States 4 backed - [**Correlation Ventures**](https://millionrounds.com/fund/correlation-ventures) VC firm United States 4 backed - [**Liquid 2 Ventures**](https://millionrounds.com/fund/liquid-2-ventures) VC firm United States 4 backed - [**Eniac Ventures**](https://millionrounds.com/fund/eniac-ventures) VC firm United States 4 backed - [**Andreessen Horowitz**](https://millionrounds.com/fund/andreessen-horowitz) VC firm United States 4 backed ### Private equity and asset managers 3 investors - [**Gaingels**](https://millionrounds.com/fund/gaingels) Private equity United States 6 backed - [**Pioneer Fund**](https://millionrounds.com/fund/pioneer-fund-2) Private equity United States 3 backed - [**Washington Harbour Partners Lp**](https://millionrounds.com/fund/washington-harbour-partners-lp) Private equity United States 2 backed **How this map is made.** Every investor here has backed two or more of the same startups as 645 Ventures, in rounds we track. Grouped by kind, each ranked by how many startups it shares with 645 Ventures. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Portfolio map **645 Ventures portfolio map** 51 startups · $2.1B](https://millionrounds.com/portfolio-maps/645-ventures-portfolio-map)[Sector portfolio **645 Ventures' AI portfolio** 21 startups · $1.2B](https://millionrounds.com/portfolio-maps/645-ventures-ai-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 645 Ventures? 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