/

Investors / United Kingdom / Isomer Capital / Co-investors

Isomer Capital co-investors

Who invests alongside Isomer Capital · Venture capital · London, United Kingdom

Isomer Capital shares at least one checked portfolio company with 16 other investors. It backs companies most often with Y Combinator (2), Backed (1) and BlueYard Capital (1), and 100% of its 3 checked companies have another investor VCinfo tracks.

16co-investors
3companies backed with another investorof 3 checked
100%of its portfolio is co-backed
Y Combinatormost frequent co-investor2 shared companies

Co-investor network

the 14 firms it shares most with, and the companies they back together
29 shared companies9 shared companies9 shared companies9 shared companies8 shared companies7 shared companies7 shared companies6 shared companies5 shared companies5 shared companies4 shared companies4 shared companies4 shared companies3 shared companies3 shared companies3 shared companies3 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companiesY Combinator: 2 shared companiesY Combinator2Backed: 1 shared companiesBacked1BlueYard Capital: 1 shared companiesBlueYard Capital1Bright Pixel Capital: 1 shared companiesBright Pixel Capital1CRV: 1 shared companiesCRV1Civilization Ventures: 1 shared companiesCivilization Ventures1Crane Venture Partners: 1 shared companiesCrane Venture Partners1Harpoon Ventures: 1 shared companiesHarpoon Ventures1IQT: 1 shared companiesIQT1Kaya VC: 1 shared companiesKaya VC1OTB Ventures: 1 shared companiesOTB Ventures1Oxford Science Enterprises: 1 shared companiesOxford Science Enterp…1Possible Ventures: 1 shared companiesPossible Ventures1Recode Ventures: 1 shared companiesRecode Ventures1
Shared portfolio companies with Isomer CapitalFirms that also back companies together

Circle size is the number of companies shared with Isomer Capital; 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/isomercapital.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 Isomer Capital'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 Isomer Capital's co-investors as data

Pull this ranked list, Isomer Capital's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when Isomer Capital 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/isomercapital.com/coinvestors

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