# Who Invests With Altair Capital: 37 Co-Investors (2026) > The 37 investors that have backed two or more of the same startups as Altair Capital, by kind: vc firms, accelerators and angels and networks. Source: https://millionrounds.com/portfolio-maps/altair-capital-2-co-investors (Millionrounds; every figure on the page links to its filing or article) ## VC firms 30 - [Yellow Rocks](https://millionrounds.com/fund/yellow-rocks) - [Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) - [Soma Capital](https://millionrounds.com/fund/soma-capital) - [SGH CAPITAL](https://millionrounds.com/fund/sgh-capital) - [Runa Capital](https://millionrounds.com/fund/runa-capital) - [I2BF Global Ventures](https://millionrounds.com/fund/i2bf-global-ventures) - [TMT Investments](https://millionrounds.com/fund/tmt-investments) - [FJ Labs](https://millionrounds.com/fund/fj-labs) - [UpHonest Capital](https://millionrounds.com/fund/uphonest-capital) - [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) - [Partech Ventures](https://millionrounds.com/fund/partech) - [Bossa Invest](https://millionrounds.com/fund/bossa-invest) - [1984 Ventures](https://millionrounds.com/fund/1984-ventures) - [Race Capital](https://millionrounds.com/fund/race-capital) - [Antler](https://millionrounds.com/fund/antler) - [Goodwater Capital](https://millionrounds.com/fund/goodwater-capital) - [Flint Capital](https://millionrounds.com/fund/flint-capital) - [SVB Capital](https://millionrounds.com/fund/svb-capital) - [Recursive Ventures](https://millionrounds.com/fund/recursive-ventures) - [AltaIR Capital](https://millionrounds.com/fund/altair-capital) - [Quiet Capital](https://millionrounds.com/fund/quiet-capital) - [FundersClub](https://millionrounds.com/fund/fundersclub) - [Techstars](https://millionrounds.com/fund/techstars) - [Target Global](https://millionrounds.com/fund/target-global) +6 more ## Accelerators 4 - [Y Combinator](https://millionrounds.com/fund/y-combinator) - [Amino Capital](https://millionrounds.com/fund/amino-capital) - [VentureOut](https://millionrounds.com/fund/ventureout) - [LAUNCH](https://millionrounds.com/fund/launch) ## Angels and networks 3 - [*5G* 500 Global](https://millionrounds.com/fund/500-startups) - [S16vc](https://millionrounds.com/fund/s16vc-founders-for-founders-fund) - [*PB* Paul Buchheit](https://millionrounds.com/fund/paul-buchheit) ## Segment by segment ### VC firms 30 investors - [**Yellow Rocks**](https://millionrounds.com/fund/yellow-rocks) VC firm United States 8 backed - [**Liquid 2 Ventures**](https://millionrounds.com/fund/liquid-2-ventures) VC firm United States 7 backed - [**Soma Capital**](https://millionrounds.com/fund/soma-capital) VC firm United States 5 backed - [**SGH CAPITAL**](https://millionrounds.com/fund/sgh-capital) VC firm Luxembourg 4 backed - [**Runa Capital**](https://millionrounds.com/fund/runa-capital) VC firm Luxembourg 4 backed - [**I2BF Global Ventures**](https://millionrounds.com/fund/i2bf-global-ventures) VC firm United States 4 backed - [**TMT Investments**](https://millionrounds.com/fund/tmt-investments) VC firm Jersey 4 backed - [**FJ Labs**](https://millionrounds.com/fund/fj-labs) VC firm United States 4 backed ### Accelerators 4 investors - [**Y Combinator**](https://millionrounds.com/fund/y-combinator) Accelerator United States 31 backed - [**Amino Capital**](https://millionrounds.com/fund/amino-capital) Accelerator United States 3 backed - [**VentureOut**](https://millionrounds.com/fund/ventureout) Accelerator United States 2 backed - [**LAUNCH**](https://millionrounds.com/fund/launch) Accelerator United States 2 backed ### Angels and networks 3 investors - [*5G* **500 Global**](https://millionrounds.com/fund/500-startups) Angel investor United States 7 backed - [**S16vc**](https://millionrounds.com/fund/s16vc-founders-for-founders-fund) Angel network United States 2 backed - [*PB* **Paul Buchheit**](https://millionrounds.com/fund/paul-buchheit) Angel investor United States 2 backed **How this map is made.** Every investor here has backed two or more of the same startups as Altair Capital, in rounds we track. Grouped by kind, each ranked by how many startups it shares with Altair Capital. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Portfolio map **Altair Capital portfolio map** 81 startups · $781M](https://millionrounds.com/portfolio-maps/altair-capital-2-portfolio-map)[Investments abroad **Altair Capital's investments in the United States** 56 startups · $430M](https://millionrounds.com/portfolio-maps/altair-capital-2-investments-united-states)[Sector portfolio **Altair Capital's AI portfolio** 22 startups · $227M](https://millionrounds.com/portfolio-maps/altair-capital-2-ai-portfolio)[Sector portfolio **Altair Capital's IT Services portfolio** 10 startups · $56M](https://millionrounds.com/portfolio-maps/altair-capital-2-it-services-portfolio)[Co-investors **Who invests with GIC** 82 co-investors](https://millionrounds.com/portfolio-maps/gic-co-investors)[Co-investors **Who invests with Y Combinator** 1,812 co-investors](https://millionrounds.com/portfolio-maps/y-combinator-co-investors) ## Raising from investors like Altair Capital? 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