Investors / United States / 645 Ventures / Co-investors
645 Ventures co-investors
Who invests alongside 645 Ventures · Venture capital · New York, NY, United States
645 Ventures shares at least one checked portfolio company with 370 other investors. It backs companies most often with Y Combinator (11), Andreessen Horowitz (4) and Capital Factory (4), and 91% of its 81 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 645 Ventures; a line joins two co-investors that back at least two companies together.
All co-investors
top 60 of 370, ranked by shared portfolio companiesA co-investor is a firm whose own portfolio page lists a company that 645 Ventures' 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 645 Ventures' co-investors as data
Pull this ranked list, 645 Ventures' portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when 645 Ventures adds a company.
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$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/645ventures.com/coinvestors
# also
GET /v1/firms/645ventures.com
GET /v1/firms/645ventures.com/portfolio