D3 co-investors
Who invests alongside D3 · Venture capital
D3 shares at least one checked portfolio company with 90 other investors. It backs companies most often with Lakestar (5), IQT (4) and Lux Capital (4), and 89% of its 18 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 D3; a line joins two co-investors that back at least two companies together.
All co-investors
top 60 of 90, ranked by shared portfolio companiesA co-investor is a firm whose own portfolio page lists a company that D3'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 D3's co-investors as data
Pull this ranked list, D3's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when D3 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
- AlertsFollow 5 investors for portfolio and fund changes
$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/d3.vc/coinvestors
# also
GET /v1/firms/d3.vc
GET /v1/firms/d3.vc/portfolio