Investors / United States / Y Combinator / Co-investors
Y Combinator co-investors
Who invests alongside Y Combinator · Accelerator · San Francisco, CA, United States
Y Combinator shares at least one checked portfolio company with 3,130 other investors. It backs companies most often with Soma Capital (372), Transpose Platform (270) and Eight Capital (204), and 67% of its 5,153 checked companies have another investor VCinfo tracks.
Co-investor network
the 14 firms it shares most with, and the companies they back togetherCircle size is the number of companies shared with Y Combinator; a line joins two co-investors that back at least two companies together.
All co-investors
top 60 of 3,130, ranked by shared portfolio companiesA co-investor is a firm whose own portfolio page lists a company that Y Combinator's page lists too, both checked against the company's site. It shows who backs the same companies, not who joined the same round. How the data is graded
Get Y Combinator's co-investors as data
Pull this ranked list, Y Combinator's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when Y Combinator adds a company.
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$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/ycombinator.com/coinvestors
# also
GET /v1/firms/ycombinator.com
GET /v1/firms/ycombinator.com/portfolio