# Who Invests With Think +: 18 Co-Investors (2026) > The 18 investors that have backed two or more of the same startups as Think +, by kind: vc firms and accelerators. Most often Signatures Capital. Source: https://millionrounds.com/portfolio-maps/think-co-investors (Millionrounds; every figure on the page links to its filing or article) ## VC firms 15 - [Signatures Capital](https://millionrounds.com/fund/signatures-capital) - [Cota Capital](https://millionrounds.com/fund/cota-capital) - [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) - [SV Angel](https://millionrounds.com/fund/sv-angel) - [CrunchFund](https://millionrounds.com/fund/crunchfund-3) - [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) - [Streamlined Ventures](https://millionrounds.com/fund/streamlined-ventures) - [Lightbank](https://millionrounds.com/fund/lightbank) - [AME Cloud Ventures](https://millionrounds.com/fund/ame-cloud-ventures) - [Formation 8](https://millionrounds.com/fund/formation-8) - [Founders Fund](https://millionrounds.com/fund/founders-fund) - [*KR* Keith Rabois](https://millionrounds.com/fund/keith-rabois) - [Greylock](https://millionrounds.com/fund/greylock-partners) - [*AP* Amidzad Partners](https://millionrounds.com/fund/amidzad-partners) - [TEEC Angel Fund](https://millionrounds.com/fund/teec-angel-fund) ## Accelerators 3 - [Y Combinator](https://millionrounds.com/fund/y-combinator) - [Plug and Play](https://millionrounds.com/fund/plug-and-play) - [*AA* AITV (Accelerate IT Ventures)](https://millionrounds.com/fund/aitv-accelerate-it-ventures) ## Segment by segment ### VC firms 15 investors - [**Signatures Capital**](https://millionrounds.com/fund/signatures-capital) VC firm United States 4 backed - [**Cota Capital**](https://millionrounds.com/fund/cota-capital) VC firm United States 4 backed - [**Andreessen Horowitz**](https://millionrounds.com/fund/andreessen-horowitz) VC firm United States 4 backed - [**SV Angel**](https://millionrounds.com/fund/sv-angel) VC firm United States 3 backed - [**CrunchFund**](https://millionrounds.com/fund/crunchfund-3) VC firm United States 3 backed - [**Menlo Ventures**](https://millionrounds.com/fund/menlo-ventures) VC firm United States 3 backed - [**Streamlined Ventures**](https://millionrounds.com/fund/streamlined-ventures) VC firm United States 3 backed - [**Lightbank**](https://millionrounds.com/fund/lightbank) VC firm United States 2 backed ### Accelerators 3 investors - [**Y Combinator**](https://millionrounds.com/fund/y-combinator) Accelerator United States 2 backed - [**Plug and Play**](https://millionrounds.com/fund/plug-and-play) Accelerator United States 2 backed - [*AA* **AITV (Accelerate IT Ventures)**](https://millionrounds.com/fund/aitv-accelerate-it-ventures) Accelerator - 2 backed **How this map is made.** Every investor here has backed two or more of the same startups as Think +, in rounds we track. Grouped by kind, each ranked by how many startups it shares with Think +. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [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)[Co-investors **Who invests with Founders Fund** 747 co-investors](https://millionrounds.com/portfolio-maps/founders-fund-co-investors) ## Raising from investors like Think +? 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)