Investors / StartX / Co-investors
StartX co-investors
Who invests alongside StartX · Accelerator
StartX shares at least one checked portfolio company with 1,194 other investors. It backs companies most often with Y Combinator (68), Ulu Ventures (23) and The MBA Fund (17), and 64% of its 771 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 StartX; a line joins two co-investors that back at least two companies together.
All co-investors
top 60 of 1,194, ranked by shared portfolio companiesA co-investor is a firm whose own portfolio page lists a company that StartX'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 StartX's co-investors as data
Pull this ranked list, StartX's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when StartX adds a company.
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$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/startx.com/coinvestors
# also
GET /v1/firms/startx.com
GET /v1/firms/startx.com/portfolio