Investors / United States / First Harmonic / Co-investors
First Harmonic co-investors
Who invests alongside First Harmonic · Venture capital · San Francisco, CA, United States
First Harmonic shares at least one checked portfolio company with 28 other investors. It backs companies most often with Conversion Capital (2), Kleiner Perkins (2) and Y Combinator (2), and 100% of its 5 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 First Harmonic; a line joins two co-investors that back at least two companies together.
All co-investors
ranked by shared portfolio companies
A co-investor is a firm whose own portfolio page lists a company that First Harmonic'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 First Harmonic's co-investors as data
Pull this ranked list, First Harmonic's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when First Harmonic adds a company.
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$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/firstharmonic.com/coinvestors
# also
GET /v1/firms/firstharmonic.com
GET /v1/firms/firstharmonic.com/portfolio