# Who Invests With MCJ: 29 Co-Investors (2026) > The 29 investors that have backed two or more of the same startups as MCJ, by kind: vc firms and accelerators. Most often Techstars. From the rounds we track. Source: https://millionrounds.com/portfolio-maps/mcj-co-investors (Millionrounds; every figure on the page links to its filing or article) ## VC firms 26 - [Techstars](https://millionrounds.com/fund/techstars) - [Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) - [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) - [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) - [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) - [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) - [Climate Capital](https://millionrounds.com/fund/climate-capital) - [Powerhouse Ventures](https://millionrounds.com/fund/powerhouse-ventures-limited) - [Coatue](https://millionrounds.com/fund/coatue-management) - [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) - [Precursor Ventures](https://millionrounds.com/fund/precursor-ventures) - [Soma Capital](https://millionrounds.com/fund/soma-capital) - [XYZ Venture Capital](https://millionrounds.com/fund/xyz-venture-capital) - [Gigascale Capital](https://millionrounds.com/fund/gigascale-capital) - [Atomico](https://millionrounds.com/fund/atomico) - [Congruent Ventures](https://millionrounds.com/fund/congruent-ventures) - [General Catalyst](https://millionrounds.com/fund/general-catalyst) - [Fine Structure Ventures](https://millionrounds.com/fund/fine-structure-ventures) - [Pale blue dot](https://millionrounds.com/fund/pale-blue-dot) - [Giant Ventures](https://millionrounds.com/fund/giant-ventures) - [Base10 Partners](https://millionrounds.com/fund/base10-partners) - [Everywhere Ventures](https://millionrounds.com/fund/everywhere-ventures) - [Founder Collective](https://millionrounds.com/fund/founder-collective) - [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) +2 more ## Accelerators 3 - [Y Combinator](https://millionrounds.com/fund/y-combinator) - [Norrsken VC](https://millionrounds.com/fund/norrsken-vc) - [In-Q-Tel](https://millionrounds.com/fund/iqt) ## Segment by segment ### VC firms 26 investors - [**Techstars**](https://millionrounds.com/fund/techstars) VC firm United States 7 backed - [**Liquid 2 Ventures**](https://millionrounds.com/fund/liquid-2-ventures) VC firm United States 5 backed - [**Alumni Ventures**](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm United States 5 backed - [**Lowercarbon Capital**](https://millionrounds.com/fund/lowercarbon-capital) VC firm United States 5 backed - [**Andreessen Horowitz**](https://millionrounds.com/fund/andreessen-horowitz) VC firm United States 4 backed - [**Collaborative Fund**](https://millionrounds.com/fund/collaborative-fund) VC firm United States 4 backed - [**Climate Capital**](https://millionrounds.com/fund/climate-capital) VC firm United States 4 backed - [**Powerhouse Ventures**](https://millionrounds.com/fund/powerhouse-ventures-limited) VC firm New Zealand 4 backed ### Accelerators 3 investors - [**Y Combinator**](https://millionrounds.com/fund/y-combinator) Accelerator United States 4 backed - [**Norrsken VC**](https://millionrounds.com/fund/norrsken-vc) Accelerator Sweden 2 backed - [**In-Q-Tel**](https://millionrounds.com/fund/iqt) Accelerator United States 2 backed **How this map is made.** Every investor here has backed two or more of the same startups as MCJ, in rounds we track. Grouped by kind, each ranked by how many startups it shares with MCJ. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Portfolio map **MCJ portfolio map** 24 startups ยท $1.0B](https://millionrounds.com/portfolio-maps/mcj-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 MCJ? 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)