/

Investors / United States / B Capital / Co-investors

B Capital co-investors

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

B Capital shares at least one checked portfolio company with 637 other investors. It backs companies most often with QB Capital (11), Lightspeed Venture Partners (8) and Y Combinator (8), and 94% of its 118 checked companies have another investor VCinfo tracks.

637co-investors
111companies backed with another investorof 118 checked
94%of its portfolio is co-backed
QB Capitalmost frequent co-investor11 shared companies

Co-investor network

the 14 firms it shares most with, and the companies they back together
51 shared companies47 shared companies42 shared companies41 shared companies39 shared companies36 shared companies35 shared companies33 shared companies30 shared companies28 shared companies25 shared companies25 shared companies22 shared companies21 shared companies18 shared companies17 shared companies16 shared companies15 shared companies14 shared companies14 shared companies13 shared companies13 shared companies13 shared companies10 shared companiesQB Capital: 11 shared companiesQB Capital11Lightspeed Venture Partners: 8 shared companiesLightspeed Venture Pa…8Y Combinator: 8 shared companiesY Combinator8Accel: 7 shared companiesAccel7SoftBank Vision Fund: 7 shared companiesSoftBank Vision Fund7F-Prime Capital: 6 shared companiesF-Prime Capital6Salesforce Ventures: 6 shared companiesSalesforce Ventures6Alumni Ventures: 5 shared companiesAlumni Ventures5Bessemer Venture Partners: 5 shared companiesBessemer Venture Part…5Felicis: 5 shared companiesFelicis5Bain Capital Ventures: 4 shared companiesBain Capital Ventures4Bonfire Ventures: 4 shared companiesBonfire Ventures4Crane Venture Partners: 4 shared companiesCrane Venture Partners4Cross Creek: 4 shared companiesCross Creek4
Shared portfolio companies with B CapitalFirms that also back companies together

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

All co-investors

top 60 of 637, ranked by shared portfolio companies
#InvestorSharedCompanies both back
1QB CapitalVenture capital · Japan11Compare · Its co-investors
2Lightspeed Venture PartnersVenture capital · United States8Compare · Its co-investors
3Y CombinatorAccelerator · United States8Compare · Its co-investors
4AccelVenture capital · United States7Compare · Its co-investors
5SoftBank Vision FundVenture capital · United Kingdom7Compare · Its co-investors
6F-Prime CapitalVenture capital · United States6Compare · Its co-investors
7Salesforce VenturesCorporate VC · United States6Compare · Its co-investors
8Alumni VenturesVenture capital · United States5Compare · Its co-investors
9Bessemer Venture PartnersVenture capital · United States5Compare · Its co-investors
10FelicisVenture capital · United States5Compare · Its co-investors
11Bain Capital VenturesVenture capital · United States4Compare · Its co-investors
12Bonfire VenturesVenture capital · United States4Compare · Its co-investors
13Crane Venture PartnersVenture capital · United Kingdom4Compare · Its co-investors
14Cross CreekUnited States4Compare · Its co-investors
15General CatalystVenture capital · United States4Compare · Its co-investors
16Insight PartnersVenture capital · United States4Compare · Its co-investors
17Juniper VenturesVenture capital4Compare · Its co-investors
18Kindred VenturesVenture capital · United States4Compare · Its co-investors
19Operator PartnersVenture capital · United States4Compare · Its co-investors
20Premji InvestVenture capital4Compare · Its co-investors
21Samsung NEXTCorporate VC · United States4Compare · Its co-investors
22StartXAccelerator4Compare · Its co-investors
23Thirdbase CapitalVenture capital · United States4Compare · Its co-investors
24Angel Collective Opportunity FundVenture capital3Compare · Its co-investors
25ARK Venture Fundark-funds.com3Compare · Its co-investors
26Battery VenturesVenture capital · United States3Compare · Its co-investors
27Citi VenturesCorporate VC · United States3Compare · Its co-investors
28DCVCVenture capital · United States3Compare · Its co-investors
29Evolution-VCVenture capital · United States3Compare · Its co-investors
30Geodesic CapitalVenture capital · United States3Compare · Its co-investors
31IQTVenture capital · United States3Compare · Its co-investors
32Notable CapitalVenture capital · United States3Compare · Its co-investors
33Peak XV PartnersVenture capital · India3Compare · Its co-investors
34Quain InvestmentsVenture capital · United States3Compare · Its co-investors
35RA CapitalVenture capital3Compare · Its co-investors
36Sapphire VenturesVenture capital · United States3Compare · Its co-investors
37Scribble VenturesVenture capital · United States3Compare · Its co-investors
38SemperVirens Venture CapitalVenture capital · United States3Compare · Its co-investors
39Steadview Capitalsteadview.com3Compare · Its co-investors
40TTV CapitalVenture capital · United States3Compare · Its co-investors
41Uncorrelated VenturesVenture capital · United Kingdom3Compare · Its co-investors
42Witz VenturesVenture capital3Compare · Its co-investors
43WNDRVenture capital · United States3Compare · Its co-investors
4401AVenture capital · United States2Compare · Its co-investors
45137 VenturesVenture capital · United States2Compare · Its co-investors
46Activate CapitalVenture capital · United States2Compare · Its co-investors
47AI GrantAccelerator2Compare · Its co-investors
48AIX VenturesVenture capital · United States2Compare · Its co-investors
49Alpha PartnersVenture capital · United States2Compare · Its co-investors
50Andreessen HorowitzVenture capital · United States2Compare · Its co-investors
51Arctic VenturesVenture capital · United States2Compare · Its co-investors
52Beiersdorf Venture CapitalCorporate VC · Germany2Compare · Its co-investors
53BroadLight CapitalVenture capital2Compare · Its co-investors
54CadenzaVenture capital · United States2Compare · Its co-investors
55City LightVenture capital · United States2Compare · Its co-investors
56Cobalt CapitalVenture capital · United States2Compare · Its co-investors
57Congruent VenturesVenture capital · United States2Compare · Its co-investors
58CrosscutVenture capital · United States2Compare · Its co-investors
59Databricks VenturesCorporate VC · United States2Compare · Its co-investors
60DataPower VenturesVenture capital2Compare · Its co-investors
Showing the top 60 of 637. GET /v1/firms/b.capital/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 B 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 B Capital's co-investors as data

Pull this ranked list, B Capital's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when B Capital 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/b.capital/coinvestors

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