Investors / CapitalX / Co-investors
CapitalX co-investors
Who invests alongside CapitalX · Venture capital
CapitalX shares at least one checked portfolio company with 354 other investors. It backs companies most often with Y Combinator (19), FundersClub (6) and Soma Capital (6), and 94% of its 34 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 CapitalX; a line joins two co-investors that back at least two companies together.
All co-investors
top 60 of 354, ranked by shared portfolio companiesA co-investor is a firm whose own portfolio page lists a company that CapitalX'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 CapitalX's co-investors as data
Pull this ranked list, CapitalX's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when CapitalX adds a company.
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- Full listsEvery portfolio row and two-firm overlap
- API and MCP100 REST or MCP calls a month, one key
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$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/capitalx.company/coinvestors
# also
GET /v1/firms/capitalx.company
GET /v1/firms/capitalx.company/portfolio