/

Investors / United States / ex/ante / Co-investors

ex/ante co-investors

Who invests alongside ex/ante · Venture capital · Brooklyn, NY, United States

ex/ante shares at least one checked portfolio company with 80 other investors. It backs companies most often with Y Combinator (3), Andreessen Horowitz (2) and Encoded Ventures (2), and 77% of its 22 checked companies have another investor VCinfo tracks.

80co-investors
17companies backed with another investorof 22 checked
77%of its portfolio is co-backed
Y Combinatormost frequent co-investor3 shared companies

Co-investor network

the 14 firms it shares most with, and the companies they back together
373 shared companies103 shared companies36 shared companies24 shared companies23 shared companies22 shared companies20 shared companies19 shared companies17 shared companies11 shared companies11 shared companies9 shared companies8 shared companies8 shared companies7 shared companies7 shared companies7 shared companies6 shared companies6 shared companies6 shared companies5 shared companies5 shared companies5 shared companies3 shared companiesY Combinator: 3 shared companiesY Combinator3Andreessen Horowitz: 2 shared companiesAndreessen Horowitz2Encoded Ventures: 2 shared companiesEncoded Ventures2Mozilla Ventures: 2 shared companiesMozilla Ventures2Soma Capital: 2 shared companiesSoma Capital2Vermilion Cliffs Ventures: 2 shared companiesVermilion Cliffs Vent…201A: 1 shared companies01A1137 Ventures: 1 shared companies137 Ventures1A-Star Partners: 1 shared companiesA-Star Partners1AI Grant: 1 shared companiesAI Grant1Abstract: 1 shared companiesAbstract1Abstraction Capital: 1 shared companiesAbstraction Capital1Access Venture Partners: 1 shared companiesAccess Venture Partne…1Alliance DAO: 1 shared companiesAlliance DAO1
Shared portfolio companies with ex/anteFirms that also back companies together

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

All co-investors

top 60 of 80, ranked by shared portfolio companies
#InvestorSharedCompanies both back
1Y CombinatorAccelerator · United States3Compare · Its co-investors
2Andreessen HorowitzVenture capital · United States2Compare · Its co-investors
3Encoded VenturesVenture capital2Compare · Its co-investors
4Mozilla VenturesVenture capital2Compare · Its co-investors
5Soma CapitalVenture capital · United States2Compare · Its co-investors
6Vermilion Cliffs VenturesVenture capital · United States2Compare · Its co-investors
701AVenture capital · United States1Compare · Its co-investors
8137 VenturesVenture capital · United States1Compare · Its co-investors
9A-Star PartnersVenture capital · United States1Compare · Its co-investors
10AbstractVenture capital · United States1Compare · Its co-investors
11Abstraction CapitalVenture capital · United States1Compare · Its co-investors
12Access Venture PartnersVenture capital · United States1Compare · Its co-investors
13AI GrantAccelerator1Compare · Its co-investors
14Alliance DAOAccelerator1Compare · Its co-investors
15Amino CapitalVenture capital · United States1Compare · Its co-investors
16Angel Collective Opportunity FundVenture capital1Compare · Its co-investors
17Audacious VenturesVenture capital · United States1Compare · Its co-investors
18Bain Capital VenturesVenture capital · United States1Compare · Its co-investors
19BetaworksAccelerator · United States1Compare · Its co-investors
20BlueYard CapitalVenture capital · Germany1Compare · Its co-investors
21CervinVenture capital · United States1Compare · Its co-investors
22Chalfen VenturesVenture capital · United Kingdom1Compare · Its co-investors
23Contour Venture PartnersVenture capital · United States1Compare · Its co-investors
24Costanoa VenturesVenture capital · United States1Compare · Its co-investors
25CRVVenture capital · United States1Compare · Its co-investors
26DCGVenture capital · United States1Compare · Its co-investors
27DCVCVenture capital · United States1Compare · Its co-investors
28DecibelVenture capital1Compare · Its co-investors
29DG Daiwa VenturesVenture capital · Japan1Compare · Its co-investors
30DRIVE CatalystCorporate VC · Taiwan1Compare · Its co-investors
31E14 FundVenture capital · United States1Compare · Its co-investors
32Earthrise VenturesVenture capital1Compare · Its co-investors
33Everywhere VenturesVenture capital · United States1Compare · Its co-investors
34Evolution VC PartnersVenture capital · United States1Compare · Its co-investors
35Exceptional CapitalVenture capital · United States1Compare · Its co-investors
36FDVCVenture capital1Compare · Its co-investors
37Fifth Down CapitalVenture capital1Compare · Its co-investors
38First InVenture capital · United States1Compare · Its co-investors
39Forward Venture CapitalVenture capital · Netherlands1Compare · Its co-investors
40FundersClubVenture capital · United States1Compare · Its co-investors
41Harlem CapitalVenture capital · United States1Compare · Its co-investors
42Illuminate FinancialVenture capital · United Kingdom1Compare · Its co-investors
43Impatient VenturesVenture capital1Compare · Its co-investors
44Index VenturesVenture capital · United States1Compare · Its co-investors
45InvestibleVenture capital · Australia1Compare · Its co-investors
46IVPVenture capital · United States1Compare · Its co-investors
47Karman VenturesVenture capital · United States1Compare · Its co-investors
48Level Up VenturesVenture capital · United States1Compare · Its co-investors
49LOI VentureVenture capital · Canada1Compare · Its co-investors
50MetaplanetVenture capital · Estonia1Compare · Its co-investors
51Motivate Venture CapitalVenture capital · United States1Compare · Its co-investors
52Mu VenturesVenture capital1Compare · Its co-investors
53Multimodal VenturesVenture capital · United States1Compare · Its co-investors
54Mythos VenturesVenture capital1Compare · Its co-investors
55New North VenturesVenture capital · United States1Compare · Its co-investors
56nVenturesVenture capital · Singapore1Compare · Its co-investors
57Page One VenturesVenture capital · United States1Compare · Its co-investors
58PaxVenture capital1Compare · Its co-investors
59Pioneer FundVenture capital · Canada1Compare · Its co-investors
60Plow VenturesVenture capital1Compare · Its co-investors
Showing the top 60 of 80. GET /v1/firms/buildexante.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 ex/ante'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 ex/ante's co-investors as data

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

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