Investors / Fourth Realm / Co-investors
Fourth Realm co-investors
Who invests alongside Fourth Realm · Venture capital
Fourth Realm shares at least one checked portfolio company with 342 other investors. It backs companies most often with Y Combinator (6), General Catalyst (4) and Interplay (4), and 93% of its 28 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 Fourth Realm; a line joins two co-investors that back at least two companies together.
All co-investors
top 60 of 342, ranked by shared portfolio companiesA co-investor is a firm whose own portfolio page lists a company that Fourth Realm'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 Fourth Realm's co-investors as data
Pull this ranked list, Fourth Realm's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when Fourth Realm adds a company.
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$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/fourthrealm.vc/coinvestors
# also
GET /v1/firms/fourthrealm.vc
GET /v1/firms/fourthrealm.vc/portfolio