# Who Invests With Keiretsu Forum: 23 Co-Investors (2026) > The 23 investors that have backed two or more of the same startups as Keiretsu Forum, by kind: vc firms, angels and networks and government funds. Source: https://millionrounds.com/portfolio-maps/keiretsu-forum-co-investors (Millionrounds; every figure on the page links to its filing or article) ## VC firms 10 - [Keiretsu Capital](https://millionrounds.com/fund/keiretsu-capital) - [Techstars](https://millionrounds.com/fund/techstars) - [*TC* Tech Coast Angels](https://millionrounds.com/fund/tech-coast-angels) - [Angel Invest](https://millionrounds.com/fund/angel-invest) - [*E* EISMEA](https://millionrounds.com/fund/eismea) - [Blume Ventures](https://millionrounds.com/fund/blume-ventures) - [IAN Group](https://millionrounds.com/fund/ian-group) - [*H* Hackquarters](https://millionrounds.com/fund/hackquarters) - [Portland Seed Fund](https://millionrounds.com/fund/portland-seed-fund) - [TechOne Ventures](https://millionrounds.com/fund/techone-venture-capital) ## Angels and networks 7 - [Keiretsu Forum Turkey](https://millionrounds.com/fund/keiretsu-forum-turkey) - [Sand Hill Angels](https://millionrounds.com/fund/sand-hill-angels) - [Alliance of Angels](https://millionrounds.com/fund/alliance-of-angels) - [Band of Angels](https://millionrounds.com/fund/band-of-angels) - [Sierra Angels](https://millionrounds.com/fund/sierra-angels) - [TiE Angels](https://millionrounds.com/fund/tie-angels) - [HealthTech Capital](https://millionrounds.com/fund/healthtech-capital) ## Government funds 6 - [National Institutes of Health](https://millionrounds.com/fund/national-institutes-of-health) - [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) - [Innovation Works](https://millionrounds.com/fund/innovation-works) - [Ben Franklin Technology Partners](https://millionrounds.com/fund/ben-franklin-technology-partners) - [Ben Franklin Technology Partners of Southeastern Pennsylvania](https://millionrounds.com/fund/ben-franklin-techn) - [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) ## Segment by segment ### VC firms 10 investors - [**Keiretsu Capital**](https://millionrounds.com/fund/keiretsu-capital) VC firm United States 18 backed - [**Techstars**](https://millionrounds.com/fund/techstars) VC firm United States 4 backed - [*TC* **Tech Coast Angels**](https://millionrounds.com/fund/tech-coast-angels) VC firm United States 4 backed - [**Angel Invest**](https://millionrounds.com/fund/angel-invest) VC firm Germany 3 backed - [*E* **EISMEA**](https://millionrounds.com/fund/eismea) Investment firm - 3 backed - [**Blume Ventures**](https://millionrounds.com/fund/blume-ventures) VC firm India 2 backed - [**IAN Group**](https://millionrounds.com/fund/ian-group) VC firm India 2 backed - [*H* **Hackquarters**](https://millionrounds.com/fund/hackquarters) Investment firm - 2 backed ### Angels and networks 7 investors - [**Keiretsu Forum Turkey**](https://millionrounds.com/fund/keiretsu-forum-turkey) Angel network Türkiye 21 backed - [**Sand Hill Angels**](https://millionrounds.com/fund/sand-hill-angels) Angel network United States 5 backed - [**Alliance of Angels**](https://millionrounds.com/fund/alliance-of-angels) Angel network United States 4 backed - [**Band of Angels**](https://millionrounds.com/fund/band-of-angels) Angel network United States 3 backed - [**Sierra Angels**](https://millionrounds.com/fund/sierra-angels) Angel network United States 3 backed - [**TiE Angels**](https://millionrounds.com/fund/tie-angels) Angel network United States 2 backed - [**HealthTech Capital**](https://millionrounds.com/fund/healthtech-capital) Angel network United States 2 backed ### Government funds 6 investors - [**National Institutes of Health**](https://millionrounds.com/fund/national-institutes-of-health) Government fund United States 3 backed - [**National Science Foundation**](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government fund United States 3 backed - [**Innovation Works**](https://millionrounds.com/fund/innovation-works) Government fund United States 2 backed - [**Ben Franklin Technology Partners**](https://millionrounds.com/fund/ben-franklin-technology-partners) Government fund United States 2 backed - [**Ben Franklin Technology Partners of Southeastern Pennsylvania**](https://millionrounds.com/fund/ben-franklin-techn) Government fund United States 2 backed - [**US Department of Energy**](https://millionrounds.com/fund/u-s-department-of-energy) Government fund United States 2 backed **How this map is made.** Every investor here has backed two or more of the same startups as Keiretsu Forum, in rounds we track. Grouped by kind, each ranked by how many startups it shares with Keiretsu Forum. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Portfolio map **Keiretsu Forum portfolio map** 68 startups · $649M](https://millionrounds.com/portfolio-maps/keiretsu-forum-portfolio-map)[Sector portfolio **Keiretsu Forum's Biotech portfolio** 14 startups · $130M](https://millionrounds.com/portfolio-maps/keiretsu-forum-biotech-portfolio)[Co-investors **Who invests with AngelList** 58 co-investors](https://millionrounds.com/portfolio-maps/angellist-co-investors)[Co-investors **Who invests with Techammer** 34 co-investors](https://millionrounds.com/portfolio-maps/techammer-co-investors)[Co-investors **Who invests with Timothy Ferriss** 31 co-investors](https://millionrounds.com/portfolio-maps/timothy-ferriss-co-investors)[Co-investors **Who invests with Sand Hill Angels** 28 co-investors](https://millionrounds.com/portfolio-maps/sand-hill-angels-co-investors) ## Raising from investors like Keiretsu Forum? 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)