Investors / Operator Stack / Co-investors
Operator Stack co-investors
Who invests alongside Operator Stack · Venture capital
Operator Stack shares at least one checked portfolio company with 176 other investors. It backs companies most often with Y Combinator (4), Overton Venture Capital (3) and Soma Capital (3), and 97% of its 35 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 Operator Stack; a line joins two co-investors that back at least two companies together.
All co-investors
top 60 of 176, ranked by shared portfolio companiesA co-investor is a firm whose own portfolio page lists a company that Operator Stack'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 Operator Stack's co-investors as data
Pull this ranked list, Operator Stack's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when Operator Stack adds a company.
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$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/operator-stack.com/coinvestors
# also
GET /v1/firms/operator-stack.com
GET /v1/firms/operator-stack.com/portfolio