Investors / United States / Act One Ventures / Co-investors
Act One Ventures co-investors
Who invests alongside Act One Ventures · Venture capital · San Francisco, CA, United States
Act One Ventures shares at least one checked portfolio company with 138 other investors. It backs companies most often with Y Combinator (6), Techstars (3) and Transpose Platform (3), and 74% of its 47 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 Act One Ventures; a line joins two co-investors that back at least two companies together.
All co-investors
top 60 of 138, ranked by shared portfolio companiesA co-investor is a firm whose own portfolio page lists a company that Act One Ventures' 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 Act One Ventures' co-investors as data
Pull this ranked list, Act One Ventures' portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when Act One Ventures adds a company.
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$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/actoneventures.com/coinvestors
# also
GET /v1/firms/actoneventures.com
GET /v1/firms/actoneventures.com/portfolio