Investors / United States / Chapter One / Co-investors
Chapter One co-investors
Who invests alongside Chapter One · Venture capital · Los Angeles, CA, United States
Chapter One shares at least one checked portfolio company with 496 other investors. It backs companies most often with Y Combinator (12), Andreessen Horowitz (8) and Abstract (7), and 93% of its 76 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 Chapter One; a line joins two co-investors that back at least two companies together.
All co-investors
top 60 of 496, ranked by shared portfolio companiesA co-investor is a firm whose own portfolio page lists a company that Chapter One'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 Chapter One's co-investors as data
Pull this ranked list, Chapter One's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when Chapter One adds a company.
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$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/chapterone.com/coinvestors
# also
GET /v1/firms/chapterone.com
GET /v1/firms/chapterone.com/portfolio