Investors / Nineteen Twenty-One / Co-investors
Nineteen Twenty-One co-investors
Who invests alongside Nineteen Twenty-One · Venture capital
Nineteen Twenty-One shares at least one checked portfolio company with 10 other investors. It backs companies most often with Calm/Storm Ventures (1), Fin Capital (1) and Haymaker Ventures (1), and 50% of its 8 checked companies have another investor VCinfo tracks.
Co-investor network
the 10 firms it shares most with, and the companies they back togetherCircle size is the number of companies shared with Nineteen Twenty-One; a line joins two co-investors that back at least two companies together.
All co-investors
ranked by shared portfolio companiesA co-investor is a firm whose own portfolio page lists a company that Nineteen Twenty-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 Nineteen Twenty-One's co-investors as data
Pull this ranked list, Nineteen Twenty-One's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when Nineteen Twenty-One adds a company.
Work email, sign-in link by email. Already have an account? Log in- Ask AI5 plain-English investor searches a day
- 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/1921.vc/coinvestors
# also
GET /v1/firms/1921.vc
GET /v1/firms/1921.vc/portfolio