# Who Invests With Rethink Impact: 16 Co-Investors (2026) > The 16 investors that have backed two or more of the same startups as Rethink Impact, by kind: vc firms and accelerators. Most often Reach. Source: https://millionrounds.com/portfolio-maps/rethink-impact-co-investors (Millionrounds; every figure on the page links to its filing or article) ## VC firms 13 - [Reach](https://millionrounds.com/fund/reach) - [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) - [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) - [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) - [Ulu Ventures](https://millionrounds.com/fund/ulu-ventures) - [Social Capital](https://millionrounds.com/fund/social-capital) - [Forerunner Ventures](https://millionrounds.com/fund/forerunner-ventures) - [Main Sequence Ventures](https://millionrounds.com/fund/main-sequence) - [Amboy Street Ventures](https://millionrounds.com/fund/amboy-street-ventures) - [Precursor Ventures](https://millionrounds.com/fund/precursor-ventures) - [BBG Ventures](https://millionrounds.com/fund/bbg-ventures) - [General Catalyst](https://millionrounds.com/fund/general-catalyst) - [Better Ventures](https://millionrounds.com/fund/better-ventures) ## Accelerators 3 - [Plug and Play](https://millionrounds.com/fund/plug-and-play) - [Y Combinator](https://millionrounds.com/fund/y-combinator) - [Startmate](https://millionrounds.com/fund/startmate) ## Segment by segment ### VC firms 13 investors - [**Reach**](https://millionrounds.com/fund/reach) VC firm Canada 4 backed - [**Tiger Global Management**](https://millionrounds.com/fund/tiger-global-management) VC firm United States 4 backed - [**Khosla Ventures**](https://millionrounds.com/fund/khosla-ventures) VC firm United States 4 backed - [**Alumni Ventures**](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm United States 4 backed - [**Ulu Ventures**](https://millionrounds.com/fund/ulu-ventures) VC firm United States 3 backed - [**Social Capital**](https://millionrounds.com/fund/social-capital) VC firm United States 2 backed - [**Forerunner Ventures**](https://millionrounds.com/fund/forerunner-ventures) VC firm United States 2 backed - [**Main Sequence Ventures**](https://millionrounds.com/fund/main-sequence) VC firm Australia 2 backed ### Accelerators 3 investors - [**Plug and Play**](https://millionrounds.com/fund/plug-and-play) Accelerator United States 3 backed - [**Y Combinator**](https://millionrounds.com/fund/y-combinator) Accelerator United States 2 backed - [**Startmate**](https://millionrounds.com/fund/startmate) Accelerator Australia 2 backed **How this map is made.** Every investor here has backed two or more of the same startups as Rethink Impact, in rounds we track. Grouped by kind, each ranked by how many startups it shares with Rethink Impact. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Portfolio map **Rethink Impact portfolio map** 24 startups ยท $908M](https://millionrounds.com/portfolio-maps/rethink-impact-portfolio-map)[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)[Co-investors **Who invests with Sequoia Capital** 827 co-investors](https://millionrounds.com/portfolio-maps/sequoia-capital-co-investors) ## Raising from investors like Rethink Impact? 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)