Y Combinator
Y Combinator funds startups and supports founders through its accelerator program, with advice, a founder community and introductions to investors.
Mountain View, United States · 4303+ investments · 5493 portfolio companies
- Headquarters
- Mountain View, United States
- Founded
- 2005
- Website
- ycombinator.com
- Portfolio Companies
- 5,493
- Total Investments
- 4,303
- Last Investment
- Sep 2026
- Geographic Focus
- United States, Global
Indexed holds 5,493 portfolio companies and 4,303 funding rounds for this investor. The full record is or through the API.
Investment Thesis
Y Combinator is an Accelerator based in Mountain View, United States. It has made 4303 investments, including HeronAI, Apollo and RoboDock. Focus areas include E-Commerce and Fintech.
Portfolio5493
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Co-investors24
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24 co-investors across 3330 shared portfolio companies — who they back alongside, and how often they lead.
Venture Capital ×21 · Angel Group ×1 · Accelerator ×1 · 1650 shared rounds
Investment History
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