/

Investors / United States / Room40 Ventures / Co-investors

Room40 Ventures co-investors

Who invests alongside Room40 Ventures · Venture capital · New York, NY, United States

Room40 Ventures shares at least one checked portfolio company with 71 other investors. It backs companies most often with Marin Ventures (3), a16z Frontier (2) and Andreessen Horowitz (2), and 90% of its 10 checked companies have another investor VCinfo tracks.

71co-investors
9companies backed with another investorof 10 checked
90%of its portfolio is co-backed
Marin Venturesmost frequent co-investor3 shared companies

Co-investor network

the 14 firms it shares most with, and the companies they back together
98 shared companies36 shared companies16 shared companies14 shared companies13 shared companies12 shared companies12 shared companies8 shared companies7 shared companies6 shared companies6 shared companies6 shared companies5 shared companies4 shared companies4 shared companies4 shared companies4 shared companies3 shared companies3 shared companies3 shared companies3 shared companies3 shared companies3 shared companies3 shared companiesMarin Ventures: 3 shared companiesMarin Ventures3Andreessen Horowitz: 2 shared companiesAndreessen Horowitz2DCG: 2 shared companiesDCG2Escape Velocity: 2 shared companiesEscape Velocity2FutureMoney Group: 2 shared companiesFutureMoney Group2Multicoin Capital: 2 shared companiesMulticoin Capital2a16z Frontier: 2 shared companiesa16z Frontier21kx: 1 shared companies1kx1Abstract: 1 shared companiesAbstract1Aegis Ventures: 1 shared companiesAegis Ventures1Big Brain Holdings: 1 shared companiesBig Brain Holdings1Bitscale Capital: 1 shared companiesBitscale Capital1Bloccelerate VC: 1 shared companiesBloccelerate VC1Blockchange Ventures: 1 shared companiesBlockchange Ventures1
Shared portfolio companies with Room40 VenturesFirms that also back companies together

Circle size is the number of companies shared with Room40 Ventures; a line joins two co-investors that back at least two companies together.

All co-investors

top 60 of 71, ranked by shared portfolio companies
#InvestorSharedCompanies both back
1Marin VenturesVenture capital3Compare · Its co-investors
2a16z FrontierVenture capital · United States2Compare · Its co-investors
3Andreessen HorowitzVenture capital · United States2Compare · Its co-investors
4DCGVenture capital · United States2Compare · Its co-investors
5Escape VelocityVenture capital2Compare · Its co-investors
6FutureMoney GroupVenture capital2Compare · Its co-investors
7Multicoin CapitalVenture capital · United States2Compare · Its co-investors
81kxVenture capital · Germany1Compare · Its co-investors
9AbstractVenture capital · United States1Compare · Its co-investors
10Aegis VenturesVenture capital · South Korea1Compare · Its co-investors
11Big Brain HoldingsVenture capital · United States1Compare · Its co-investors
12Bitscale CapitalVenture capital · Switzerland1Compare · Its co-investors
13Bloccelerate VCVenture capital · United States1Compare · Its co-investors
14Blockchange VenturesVenture capital1Compare · Its co-investors
15BlockwallVenture capital · Germany1Compare · Its co-investors
16Borderless CapitalVenture capital · United States1Compare · Its co-investors
17Ceras VenturesVenture capital · United States1Compare · Its co-investors
18CoinFundVenture capital · United States1Compare · Its co-investors
19coinIXGermany1Compare · Its co-investors
20Collab+CurrencyVenture capital1Compare · Its co-investors
21Compa CapitalVenture capital1Compare · Its co-investors
22Creative Destruction LabAccelerator · Canada1Compare · Its co-investors
23Crucible CapitalVenture capital1Compare · Its co-investors
24Cryptonite CapitalVenture capital1Compare · Its co-investors
25DCMVenture capital · United States1Compare · Its co-investors
26DeepTech VenturesVenture capital · Switzerland1Compare · Its co-investors
27Electric CapitalVenture capital · United States1Compare · Its co-investors
28FBG CapitalVenture capital · Singapore1Compare · Its co-investors
29Forbole VenturesVenture capital1Compare · Its co-investors
30Foundation CapitalVenture capital · United States1Compare · Its co-investors
31Founder CollectiveVenture capital · United States1Compare · Its co-investors
32Framework VenturesVenture capital · United States1Compare · Its co-investors
33GateCap VenturesVenture capital · Germany1Compare · Its co-investors
34Gravity FundVenture capital1Compare · Its co-investors
35GSRUnited Kingdom1Compare · Its co-investors
36Hemisphere VenturesVenture capital1Compare · Its co-investors
37Hivemind CapitalVenture capital1Compare · Its co-investors
38HomebrewVenture capital · United States1Compare · Its co-investors
39Hypersphere CapitalVenture capital · United States1Compare · Its co-investors
40Inception CapitalVenture capital1Compare · Its co-investors
41LatticeVenture capital1Compare · Its co-investors
42Lerer HippeauVenture capital · United States1Compare · Its co-investors
43Lightspeed Venture PartnersVenture capital · United States1Compare · Its co-investors
44M13Venture capital · United States1Compare · Its co-investors
45Mentha PartnersVenture capital1Compare · Its co-investors
46Metazero CapitalVenture capital1Compare · Its co-investors
47Mulana CapitalVenture capital1Compare · Its co-investors
48Necto LabsVenture capital1Compare · Its co-investors
49NetZero CapitalVenture capital · United Kingdom1Compare · Its co-investors
50New Form CapitalVenture capital · United States1Compare · Its co-investors
51NGC VenturesVenture capital · Singapore1Compare · Its co-investors
52Notation CapitalVenture capital · United States1Compare · Its co-investors
53Outlier VenturesVenture capital1Compare · Its co-investors
54P2P CapitalVenture capital1Compare · Its co-investors
55ParaFi CapitalVenture capital · United States1Compare · Its co-investors
56PsalionVenture capital1Compare · Its co-investors
57RareBreed VenturesVenture capital · United States1Compare · Its co-investors
58Reciprocal VenturesVenture capital · United States1Compare · Its co-investors
59RockawayXVenture capital · Switzerland1Compare · Its co-investors
60SeaX VenturesVenture capital · United States1Compare · Its co-investors
Showing the top 60 of 71. GET /v1/firms/room40.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 Room40 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 Room40 Ventures' co-investors as data

Pull this ranked list, Room40 Ventures' portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when Room40 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/room40.xyz/coinvestors

# also
GET /v1/firms/room40.xyz
GET /v1/firms/room40.xyz/portfolio
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing