/
Log inGet free API keyAccount
Menu
InvestorsCompaniesFit CheckerDocsPricingGet free API key

Investors / United States / Nonagon Capital / Co-investors

Nonagon Capital co-investors

Who invests alongside Nonagon Capital · Venture capital · San Francisco, United States

Nonagon Capital shares at least one checked portfolio company with 22 other investors. It backs companies most often with Sfermion (2), Atinum Investment (1) and Baboon VC (1), and 75% of its 8 checked companies have another investor VCinfo tracks.

Nonagon Capital's full profileCompare with SfermionGET /v1/firms/nonagon.xyz/coinvestors
22co-investors
6companies backed with another investorof 8 checked
75%of its portfolio is co-backed
Sfermionmost frequent co-investor2 shared companies

Co-investor network

the 14 firms it shares most with, and the companies they back together
30 shared companies17 shared companies12 shared companies11 shared companies9 shared companies7 shared companies7 shared companies7 shared companies7 shared companies6 shared companies5 shared companies4 shared companies4 shared companies4 shared companies4 shared companies4 shared companies3 shared companies3 shared companies3 shared companies3 shared companies2 shared companiesSfermion: 2 shared companiesSfermion2Atinum Investment: 1 shared companiesAtinum Investment1Baboon VC: 1 shared companiesBaboon VC1Burda Principal Investments: 1 shared companiesBurda Principal Inves…1Ceras Ventures: 1 shared companiesCeras Ventures1Consensys Mesh: 1 shared companiesConsensys Mesh1Crypto.com Capital: 1 shared companiesCrypto.com Capital1D1 Ventures: 1 shared companiesD1 Ventures1Fenbushi Capital: 1 shared companiesFenbushi Capital1FuturePlay: 1 shared companiesFuturePlay1Global Brain: 1 shared companiesGlobal Brain1IMM Investment: 1 shared companiesIMM Investment1InterVest: 1 shared companiesInterVest1LB Investment: 1 shared companiesLB Investment1
Shared portfolio companies with Nonagon CapitalFirms that also back companies together

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

All co-investors

ranked by shared portfolio companies
#InvestorSharedCompanies both back
1SfermionVenture capital · United States2
MODHAUSKasagi Labo
Compare · Its co-investors
2Atinum InvestmentVenture capital · South Korea1
MODHAUS
Compare · Its co-investors
3Baboon VCVenture capital1
SONEX
Compare · Its co-investors
4Burda Principal InvestmentsCorporate VC · Germany1
Kasagi Labo
Compare · Its co-investors
5Ceras VenturesVenture capital · United States1
Oasys
Compare · Its co-investors
6Consensys MeshVenture capital · Switzerland1
Hydra Venture DAO
Compare · Its co-investors
7Crypto.com CapitalCorporate VC · Singapore1
Oasys
Compare · Its co-investors
8D1 VenturesVenture capital1
Hydra Venture DAO
Compare · Its co-investors
9Fenbushi CapitalVenture capital1
Oasys
Compare · Its co-investors
10FuturePlayVenture capital · South Korea1
MODHAUS
Compare · Its co-investors
11Global BrainVenture capital · Japan1
MODHAUS
Compare · Its co-investors
12IMM InvestmentVenture capital · South Korea1
MODHAUS
Compare · Its co-investors
13InterVestVenture capital · South Korea1
MODHAUS
Compare · Its co-investors
14Laguna InvestmentVenture capital · South Korea1
MODHAUS
Compare · Its co-investors
15LB InvestmentVenture capital · South Korea1
MODHAUS
Compare · Its co-investors
16NGC VenturesVenture capital · Singapore1
Oasys
Compare · Its co-investors
17ParadigmVenture capital · United States1
D3
Compare · Its co-investors
18Possibilian VenturesVenture capital1
Hydra Venture DAO
Compare · Its co-investors
19Reflexive CapitalVenture capital1
MODHAUS
Compare · Its co-investors
20SilverCircleVenture capital1
D3
Compare · Its co-investors
21SM Culture PartnersCorporate VC · South Korea1
MODHAUS
Compare · Its co-investors
22Taisu VenturesVenture capital1
SONEX
Compare · Its co-investors
Take this list with you. GET /v1/firms/nonagon.xyz/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 Nonagon 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 Nonagon Capital's co-investors as data

Pull this ranked list, Nonagon Capital's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when Nonagon Capital adds a company.

Work email, sign-in link by email. Already have an account? Log in
Your API keyRead the docs
  • 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/nonagon.xyz/coinvestors

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