# Who Invests With SixThirty: 23 Co-Investors (2026) > The 23 investors that have backed two or more of the same startups as SixThirty, by kind: vc firms, accelerators and corporate investors. Source: https://millionrounds.com/portfolio-maps/sixthirty-co-investors (Millionrounds; every figure on the page links to its filing or article) ## VC firms 13 - [Cultivation Capital](https://millionrounds.com/fund/cultivation-capital) - [Techstars](https://millionrounds.com/fund/techstars) - [Illuminate Financial Management](https://millionrounds.com/fund/illuminate-financial) - [Faction](https://millionrounds.com/fund/faction) - [Curql](https://millionrounds.com/fund/curql) - [Revolution](https://millionrounds.com/fund/revolution) - [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) - [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) - [M25](https://millionrounds.com/fund/m25) - [Reach](https://millionrounds.com/fund/reach) - [Forum Ventures](https://millionrounds.com/fund/forum-ventures) - [Amadeus Capital Partners](https://millionrounds.com/fund/amadeus-capital-partners) - [Right Side Capital Management](https://millionrounds.com/fund/right-side-capital-management) ## Accelerators 7 - [Y Combinator](https://millionrounds.com/fund/y-combinator) - [MassChallenge](https://millionrounds.com/fund/masschallenge) - [Plug and Play](https://millionrounds.com/fund/plug-and-play) - [Luminate](https://millionrounds.com/fund/luminate-accelerator) - [Creative Destruction Lab](https://millionrounds.com/fund/creative-destruction-lab) - [VentureOut](https://millionrounds.com/fund/ventureout) - [Google for Startups](https://millionrounds.com/fund/google-for-startups) ## Corporate investors 3 - [Stellar Development Foundation](https://millionrounds.com/fund/stellar-development-foundation) - [MasterCard](https://millionrounds.com/fund/mastercard) - [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) ## Segment by segment ### VC firms 13 investors - [**Cultivation Capital**](https://millionrounds.com/fund/cultivation-capital) VC firm United States 7 backed - [**Techstars**](https://millionrounds.com/fund/techstars) VC firm United States 6 backed - [**Illuminate Financial Management**](https://millionrounds.com/fund/illuminate-financial) VC firm United Kingdom 2 backed - [**Faction**](https://millionrounds.com/fund/faction) VC firm Jersey 2 backed - [**Curql**](https://millionrounds.com/fund/curql) VC firm United States 2 backed - [**Revolution**](https://millionrounds.com/fund/revolution) VC firm United States 2 backed - [**Bessemer Venture Partners**](https://millionrounds.com/fund/bessemer-venture-partners) VC firm United States 2 backed - [**Alumni Ventures**](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm United States 2 backed ### Accelerators 7 investors - [**Y Combinator**](https://millionrounds.com/fund/y-combinator) Accelerator United States 5 backed - [**MassChallenge**](https://millionrounds.com/fund/masschallenge) Accelerator United States 5 backed - [**Plug and Play**](https://millionrounds.com/fund/plug-and-play) Accelerator United States 4 backed - [**Luminate**](https://millionrounds.com/fund/luminate-accelerator) Accelerator United States 2 backed - [**Creative Destruction Lab**](https://millionrounds.com/fund/creative-destruction-lab) Accelerator Canada 2 backed - [**VentureOut**](https://millionrounds.com/fund/ventureout) Accelerator United States 2 backed - [**Google for Startups**](https://millionrounds.com/fund/google-for-startups) Accelerator United States 2 backed ### Corporate investors 3 investors - [**Stellar Development Foundation**](https://millionrounds.com/fund/stellar-development-foundation) Corporate investor United States 2 backed - [**MasterCard**](https://millionrounds.com/fund/mastercard) Corporate investor United States 2 backed - [**Salesforce Ventures**](https://millionrounds.com/fund/salesforce-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 SixThirty, in rounds we track. Grouped by kind, each ranked by how many startups it shares with SixThirty. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Portfolio map **SixThirty portfolio map** 58 startups · $742M](https://millionrounds.com/portfolio-maps/sixthirty-portfolio-map)[Sector portfolio **SixThirty's Fintech portfolio** 26 startups · $343M](https://millionrounds.com/portfolio-maps/sixthirty-fintech-portfolio)[Co-investors **Who invests with Y Combinator** 1,812 co-investors](https://millionrounds.com/portfolio-maps/y-combinator-co-investors)[Co-investors **Who invests with Plug and Play** 617 co-investors](https://millionrounds.com/portfolio-maps/plug-and-play-co-investors)[Co-investors **Who invests with Google for Startups** 216 co-investors](https://millionrounds.com/portfolio-maps/google-for-startups-co-investors)[Co-investors **Who invests with MassChallenge** 193 co-investors](https://millionrounds.com/portfolio-maps/masschallenge-co-investors) ## Raising from investors like SixThirty? 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