Investors / United States / M12 / Co-investors
M12 co-investors
Who invests alongside M12 · Corporate VC · San Francisco, CA, United States
M12 shares at least one checked portfolio company with 311 other investors. It backs companies most often with Y Combinator (6), Felicis (5) and Lightspeed Venture Partners (5), and 97% of its 62 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 M12; a line joins two co-investors that back at least two companies together.
All co-investors
top 60 of 311, ranked by shared portfolio companiesA co-investor is a firm whose own portfolio page lists a company that M12'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 M12's co-investors as data
Pull this ranked list, M12's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when M12 adds a company.
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$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/m12.vc/coinvestors
# also
GET /v1/firms/m12.vc
GET /v1/firms/m12.vc/portfolio