Investors / United States / EcoR1 Capital / Co-investors
EcoR1 Capital co-investors
Who invests alongside EcoR1 Capital · Venture capital · San Francisco, CA, United States
EcoR1 Capital shares at least one checked portfolio company with 67 other investors. It backs companies most often with RA Capital (4), Droia Ventures (3) and Foresite Capital (3), and 89% of its 19 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 EcoR1 Capital; a line joins two co-investors that back at least two companies together.
All co-investors
top 60 of 67, ranked by shared portfolio companiesA co-investor is a firm whose own portfolio page lists a company that EcoR1 Capital'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 EcoR1 Capital's co-investors as data
Pull this ranked list, EcoR1 Capital's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when EcoR1 Capital adds a company.
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$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/ecor1cap.com/coinvestors
# also
GET /v1/firms/ecor1cap.com
GET /v1/firms/ecor1cap.com/portfolio