/

Investors / United States / Uncommon Denominator / Co-investors

Uncommon Denominator co-investors

Who invests alongside Uncommon Denominator · Venture capital · New York, NY, United States

Uncommon Denominator shares at least one checked portfolio company with 17 other investors. It backs companies most often with Alpaca VC (1), AltaIR Capital (1) and AngelFire Ventures (1), and 100% of its 3 checked companies have another investor VCinfo tracks.

17co-investors
3companies backed with another investorof 3 checked
100%of its portfolio is co-backed
Alpaca VCmost frequent co-investor1 shared company

Co-investor network

the 14 firms it shares most with, and the companies they back together
18 shared companies5 shared companies4 shared companies2 shared companies2 shared companies2 shared companies2 shared companiesAlpaca VC: 1 shared companiesAlpaca VC1AltaIR Capital: 1 shared companiesAltaIR Capital1AngelFire Ventures: 1 shared companiesAngelFire Ventures1Companyon Ventures: 1 shared companiesCompanyon Ventures1Expert Dojo: 1 shared companiesExpert Dojo1Gaingels: 1 shared companiesGaingels1Incisive Ventures: 1 shared companiesIncisive Ventures1Litquidity Ventures: 1 shared companiesLitquidity Ventures1Looking Glass Capital: 1 shared companiesLooking Glass Capital1Mana Ventures: 1 shared companiesMana Ventures1Mu Ventures: 1 shared companiesMu Ventures1PeakSpan Capital: 1 shared companiesPeakSpan Capital1Pre-Seed To Succeed: 1 shared companiesPre-Seed To Succeed1Recursive Ventures: 1 shared companiesRecursive Ventures1
Shared portfolio companies with Uncommon DenominatorFirms that also back companies together

Circle size is the number of companies shared with Uncommon Denominator; a line joins two co-investors that back at least two companies together.

All co-investors

ranked by shared portfolio companies
Take this list with you. GET /v1/firms/uncommonvc.com/coinvestors returns the ranked list as JSON for a CRM, a sheet or an AI agent: 25 firms a call on the free plan, 100 on Pro.
Get free API keyAPI docs

A co-investor is a firm whose own portfolio page lists a company that Uncommon Denominator'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

Free account · no card

Get Uncommon Denominator's co-investors as data

Pull this ranked list, Uncommon Denominator's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when Uncommon Denominator 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
VCinfo API
$ curl -H "X-API-Key: YOUR_KEY" \
  https://api.vcinfo.io/v1/firms/uncommonvc.com/coinvestors

# also
GET /v1/firms/uncommonvc.com
GET /v1/firms/uncommonvc.com/portfolio
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing