/

Investors / Japan / Obunsha Ventures / Co-investors

Obunsha Ventures co-investors

Who invests alongside Obunsha Ventures · Corporate VC · Tokyo, Japan

Obunsha Ventures shares at least one checked portfolio company with 16 other investors. It backs companies most often with Kiraboshi Capital (2), W inc. (2) and Bisk Ventures (1), and 54% of its 13 checked companies have another investor VCinfo tracks.

16co-investors
7companies backed with another investorof 13 checked
54%of its portfolio is co-backed
Kiraboshi Capitalmost frequent co-investor2 shared companies

Co-investor network

the 14 firms it shares most with, and the companies they back together
16 shared companies15 shared companies10 shared companies9 shared companies9 shared companies9 shared companies8 shared companies7 shared companies6 shared companies5 shared companies4 shared companies4 shared companies4 shared companies4 shared companies4 shared companies4 shared companies3 shared companies3 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companiesKiraboshi Capital: 2 shared companiesKiraboshi Capital2W inc.: 2 shared companiesW inc.2Bisk Ventures: 1 shared companiesBisk Ventures1CyberAgent Capital: 1 shared companiesCyberAgent Capital1D4V: 1 shared companiesD4V1GMO VenturePartners: 1 shared companiesGMO VenturePartners1Global Brain: 1 shared companiesGlobal Brain1Gobi Partners: 1 shared companiesGobi Partners1Gobi-Core Philippine Fund: 1 shared companiesGobi-Core Philippine …1JAFCO: 1 shared companiesJAFCO1Keio Innovation Initiative: 1 shared companiesKeio Innovation Initi…1Mint: 1 shared companiesMint1PKSHA Algorithm Fund: 1 shared companiesPKSHA Algorithm Fund1Sony Innovation Fund: 1 shared companiesSony Innovation Fund1
Shared portfolio companies with Obunsha VenturesFirms that also back companies together

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

All co-investors

ranked by shared portfolio companies
Take this list with you. GET /v1/firms/obunsha-v.co.jp/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 Obunsha 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 Obunsha Ventures' co-investors as data

Pull this ranked list, Obunsha Ventures' portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when Obunsha 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/obunsha-v.co.jp/coinvestors

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