Investors / GreyMatter / Co-investors
GreyMatter co-investors
Who invests alongside GreyMatter · Venture capital
GreyMatter shares at least one checked portfolio company with 94 other investors. It backs companies most often with Hopelab (5), Y Combinator (3) and Actions Capital (2), and 86% of its 29 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 GreyMatter; a line joins two co-investors that back at least two companies together.
All co-investors
top 60 of 94, ranked by shared portfolio companiesA co-investor is a firm whose own portfolio page lists a company that GreyMatter'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 GreyMatter's co-investors as data
Pull this ranked list, GreyMatter's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when GreyMatter adds a company.
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$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/greymattercapital.com/coinvestors
# also
GET /v1/firms/greymattercapital.com
GET /v1/firms/greymattercapital.com/portfolio