/

Investors / 15th Rock / Compare with JAFCO

15th Rock vs JAFCO

15th Rock lists 37 portfolio companies and has joined 3 funding rounds; JAFCO lists 196 companies and has joined 28 rounds. 15th Rock comes in most often at Series A (100% of its entries), JAFCO comes in most often at Seed (26% of its entries). 3 companies are on both portfolios, among them Gojo&Company, Metagen Therapeutics and TENET.

37Portfolio companies196
3Funding rounds joined28
2Rounds led11
3Rounds, last 12 months23
$1M to $5MTypical round it comes in at$5M to $20M
0%Sites no longer answering0%
Show as a table
15th Rock and JAFCO, head to head
15th RockJAFCO
Portfolio companies37196
Funding rounds joined328
Rounds led211
Rounds, last 12 months323
Typical round it comes in at$1M to $5M$5M to $20M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%26%
Series A100%26%
Series B0%26%
Growth0%21%

15th RockJAFCO

Show as a table
Entry stages of 15th Rock and JAFCO, share of entries
15th RockJAFCO
Pre-seed0%0%
Seed0%26%
Series A100%26%
Series B0%26%
Growth0%21%

Themes

share of checked companies
Healthcare & Biotech23%11%
AI & Machine Learning20%18%
Enterprise Software4%14%
Fintech13%6%
Industrial & Manufacturing7%10%
Education7%4%

15th RockJAFCO

Show as a table
Themes of 15th Rock and JAFCO, share of checked companies
15th RockJAFCO
Healthcare & Biotech23%11%
AI & Machine Learning20%18%
Enterprise Software4%14%
Fintech13%6%
Industrial & Manufacturing7%10%
Education7%4%

Companies both back

3

Shared companies are those both firms' own portfolio pages list, each checked against the company's site. The same comparison through the API is POST /v1/overlap, for up to 20 firms. How the data is graded

Free account · no card

Compare 15th Rock and JAFCO as data

Pull both portfolios and every co-investor through one API key or MCP, and lay up to 20 firms side by side with POST /v1/overlap. A free account adds Ask AI searches and alerts when either firm 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/15th-rock.com/portfolio

# also
GET /v1/firms/jafco.co.jp/portfolio
GET /v1/firms/15th-rock.com/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing