/

Investors / United States / AMR Action Fund / Co-investors

AMR Action Fund co-investors

Who invests alongside AMR Action Fund · Venture capital · Boston, MA, United States

AMR Action Fund shares at least one checked portfolio company with 30 other investors. It backs companies most often with AAF Management (1), Advent Life Sciences (1) and Aisling Capital (1), and 82% of its 11 checked companies have another investor VCinfo tracks.

30co-investors
9companies backed with another investorof 11 checked
82%of its portfolio is co-backed
AAF Managementmost frequent co-investor1 shared company

Co-investor network

the 14 firms it shares most with, and the companies they back together
2 shared companies2 shared companiesAAF Management: 1 shared companiesAAF Management1Advent Life Sciences: 1 shared companiesAdvent Life Sciences1Aisling Capital: 1 shared companiesAisling Capital1Astellas Venture Management: 1 shared companiesAstellas Venture Mana…1Brace Pharma Capital: 1 shared companiesBrace Pharma Capital1Clave: 1 shared companiesClave1Easton Capital: 1 shared companiesEaston Capital1Founders Fund: 1 shared companiesFounders Fund1Idea Foundry: 1 shared companiesIdea Foundry1Illinois Ventures: 1 shared companiesIllinois Ventures1Illumina Ventures: 1 shared companiesIllumina Ventures1Israel Innovation Authority: 1 shared companiesIsrael Innovation Aut…1K2 HealthVentures: 1 shared companiesK2 HealthVentures1Mountain State Capital: 1 shared companiesMountain State Capital1
Shared portfolio companies with AMR Action FundFirms that also back companies together

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

All co-investors

ranked by shared portfolio companies
#InvestorSharedCompanies both back
1AAF ManagementVenture capital · United States1Compare · Its co-investors
2Advent Life SciencesVenture capital · United Kingdom1Compare · Its co-investors
3Aisling CapitalVenture capital · United States1Compare · Its co-investors
4Astellas Venture ManagementCorporate VC · United States1Compare · Its co-investors
5Brace Pharma CapitalCorporate VC · United States1Compare · Its co-investors
6ClaveVenture capital · Spain1Compare · Its co-investors
7Easton CapitalVenture capital · United States1Compare · Its co-investors
8Founders FundVenture capital · United States1Compare · Its co-investors
9Idea FoundryAccelerator · United States1Compare · Its co-investors
10Illinois VenturesVenture capital · United States1Compare · Its co-investors
11Illumina VenturesVenture capital · United States1Compare · Its co-investors
12Israel Innovation AuthorityIsrael1Compare · Its co-investors
13K2 HealthVenturesUnited States1Compare · Its co-investors
14Mountain State CapitalVenture capital · United States1Compare · Its co-investors
15NaryaVenture capital · United States1Compare · Its co-investors
16NCLVenture capital · United Kingdom1Compare · Its co-investors
17New Science VenturesVenture capital · United States1Compare · Its co-investors
18Nodenza Venture PartnersVenture capital · United States1Compare · Its co-investors
19NSVVenture capital1Compare · Its co-investors
20OpennerVenture capital · United States1Compare · Its co-investors
21Presight CapitalVenture capital · Malta1Compare · Its co-investors
22Riverfront VenturesVenture capital · United States1Compare · Its co-investors
23Seventure PartnersVenture capital · France1Compare · Its co-investors
24SodenaSpain1Compare · Its co-investors
25Sofinnova PartnersVenture capital · France1Compare · Its co-investors
26Sunstone Life Science VenturesVenture capital · Denmark1Compare · Its co-investors
27SymBiosis Capital ManagementVenture capital · United States1Compare · Its co-investors
28Tachyon VenturesVenture capital · United States1Compare · Its co-investors
29UN I+D+I Tech TransferVenture capital1Compare · Its co-investors
30Western Technology Investmentwesterntech.com1Compare · Its co-investors
Take this list with you. GET /v1/firms/amractionfund.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 AMR Action Fund'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 AMR Action Fund's co-investors as data

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

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