/

Investors / Headwater Ventures / Co-investors

Headwater Ventures co-investors

Who invests alongside Headwater Ventures · Venture capital

Headwater Ventures shares at least one checked portfolio company with 118 other investors. It backs companies most often with Y Combinator (5), Matchstick Ventures (4) and Flare Capital Partners (3), and 88% of its 40 checked companies have another investor VCinfo tracks.

118co-investors
35companies backed with another investorof 40 checked
88%of its portfolio is co-backed
Y Combinatormost frequent co-investor5 shared companies

Co-investor network

the 14 firms it shares most with, and the companies they back together
270 shared companies46 shared companies13 shared companies12 shared companies9 shared companies6 shared companies5 shared companies4 shared companies3 shared companies3 shared companies3 shared companies3 shared companies3 shared companies3 shared companies3 shared companies2 shared companies2 shared companies2 shared companiesY Combinator: 5 shared companiesY Combinator5Matchstick Ventures: 4 shared companiesMatchstick Ventures4Flare Capital Partners: 3 shared companiesFlare Capital Partners3Groove Capital: 3 shared companiesGroove Capital3SemperVirens Venture Capital: 3 shared companiesSemperVirens Venture …3City Light: 2 shared companiesCity Light2Ensemble Innovation Ventures: 2 shared companiesEnsemble Innovation V…2Floating Point: 2 shared companiesFloating Point2Hannah Grey: 2 shared companiesHannah Grey2Informed Ventures: 2 shared companiesInformed Ventures2Techstars: 2 shared companiesTechstars2Transpose Platform: 2 shared companiesTranspose Platform2Waterline Ventures: 2 shared companiesWaterline Ventures2.406 Ventures: 1 shared companies.406 Ventures1
Shared portfolio companies with Headwater VenturesFirms that also back companies together

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

All co-investors

top 60 of 118, ranked by shared portfolio companies
#InvestorSharedCompanies both back
1Y CombinatorAccelerator · United States5Compare · Its co-investors
2Matchstick VenturesVenture capital · United States4Compare · Its co-investors
3Flare Capital PartnersVenture capital · United States3Compare · Its co-investors
4Groove CapitalVenture capital · United States3Compare · Its co-investors
5SemperVirens Venture CapitalVenture capital · United States3Compare · Its co-investors
6City LightVenture capital · United States2Compare · Its co-investors
7Ensemble Innovation VenturesVenture capital · United States2Compare · Its co-investors
8Floating PointVenture capital · United States2Compare · Its co-investors
9Hannah GreyVenture capital · United States2Compare · Its co-investors
10Informed VenturesVenture capital · United States2Compare · Its co-investors
11TechstarsAccelerator · United States2Compare · Its co-investors
12Transpose PlatformVenture capital2Compare · Its co-investors
13Waterline VenturesVenture capital · United States2Compare · Its co-investors
14.406 VenturesVenture capital · United States1Compare · Its co-investors
15A1 Health VenturesVenture capital · United States1Compare · Its co-investors
16Acorn Pacific VenturesVenture capital · United States1Compare · Its co-investors
17Acumen AmericaVenture capital · United States1Compare · Its co-investors
18AICONIC VenturesVenture capital · United States1Compare · Its co-investors
19Alder VCaldervc.com1Compare · Its co-investors
20Alix VenturesVenture capital · United States1Compare · Its co-investors
21AlleyCorpVenture capital · United States1Compare · Its co-investors
22Alumni VenturesVenture capital · United States1Compare · Its co-investors
23Amboy Street VenturesVenture capital · United States1Compare · Its co-investors
24Amplifyher VenturesVenture capital1Compare · Its co-investors
25AQAL CapitalVenture capital · Germany1Compare · Its co-investors
26Argon VenturesVenture capital · United States1Compare · Its co-investors
27Augment VenturesVenture capital · United States1Compare · Its co-investors
28BLH Venture PartnersVenture capital · United States1Compare · Its co-investors
29Blumberg CapitalVenture capital · United States1Compare · Its co-investors
30Breyer CapitalVenture capital · United States1Compare · Its co-investors
31Capital ElevenVenture capital · United States1Compare · Its co-investors
32Capital FVenture capital1Compare · Its co-investors
33Charge VenturesVenture capital · United States1Compare · Its co-investors
34Conductive VenturesVenture capital · United States1Compare · Its co-investors
35Craft VenturesVenture capital · United States1Compare · Its co-investors
36CU Healthcare Innovation FundVenture capital · United States1Compare · Its co-investors
37Delphi VenturesVenture capital1Compare · Its co-investors
38Diaspora VenturesMicro VC1Compare · Its co-investors
39Dorm Room FundVenture capital · United States1Compare · Its co-investors
40Emmeline VenturesVenture capital · United States1Compare · Its co-investors
41Empactful CapitalVenture capital · United States1Compare · Its co-investors
42Entrepreneurs Roundtable AcceleratorAccelerator · United States1Compare · Its co-investors
43Factorial CapitalVenture capital1Compare · Its co-investors
44First Trust Capital PartnersCorporate VC · United States1Compare · Its co-investors
45FirstMile VenturesVenture capital · United States1Compare · Its co-investors
46Florida Opportunity FundVenture capital · United States1Compare · Its co-investors
47Galion.exeVenture capital1Compare · Its co-investors
48Good Growth CapitalVenture capital · United States1Compare · Its co-investors
49GOVO Venture PartnersVenture capital · United States1Compare · Its co-investors
50Gutbrain VenturesVenture capital · United States1Compare · Its co-investors
51Halogen VenturesVenture capital · United States1Compare · Its co-investors
52HC9 VenturesVenture capital1Compare · Its co-investors
53Head and Heart CapitalMicro VC1Compare · Its co-investors
54HealthworxCorporate VC · United States1Compare · Its co-investors
55Hi2 Global Venture FundVenture capital1Compare · Its co-investors
56High AlphaVenture capital · United States1Compare · Its co-investors
57Hilltop Venture PartnersVenture capital · United States1Compare · Its co-investors
58HopelabUnited States1Compare · Its co-investors
59InitializedVenture capital · United States1Compare · Its co-investors
60Innospark VenturesVenture capital1Compare · Its co-investors
Showing the top 60 of 118. GET /v1/firms/headwater.vc/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 Headwater Ventures' 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 Headwater Ventures' co-investors as data

Pull this ranked list, Headwater Ventures' portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when Headwater Ventures 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/headwater.vc/coinvestors

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