/

Investors / 15th Rock / Compare with Samurai Incubate Inc.

15th Rock vs Samurai Incubate Inc.

15th Rock lists 37 portfolio companies and has joined 3 funding rounds; Samurai Incubate Inc. lists 99 companies and has joined 4 rounds. 15th Rock comes in most often at Series A (100% of its entries), Samurai Incubate Inc. comes in most often at Series A (50% of its entries). 3 companies are on both portfolios, among them Gojo&Company, JIZAIE and Yamap.

37Portfolio companies99
3Funding rounds joined4
2Rounds led1
3Rounds, last 12 months4
$1M to $5MTypical round it comes in at$5M to $20M
0%Sites no longer answering0%
Show as a table
15th Rock and Samurai Incubate Inc., head to head
15th RockSamurai Incubate Inc.
Portfolio companies3799
Funding rounds joined34
Rounds led21
Rounds, last 12 months34
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%0%
Series A100%50%
Series B0%25%
Growth0%25%

15th RockSamurai Incubate Inc.

Show as a table
Entry stages of 15th Rock and Samurai Incubate Inc., share of entries
15th RockSamurai Incubate Inc.
Pre-seed0%0%
Seed0%0%
Series A100%50%
Series B0%25%
Growth0%25%

Themes

share of checked companies
Healthcare & Biotech23%12%
AI & Machine Learning20%12%
Enterprise Software4%14%
Fintech13%9%
E-commerce & Marketplaces5%11%
Education7%6%

15th RockSamurai Incubate Inc.

Show as a table
Themes of 15th Rock and Samurai Incubate Inc., share of checked companies
15th RockSamurai Incubate Inc.
Healthcare & Biotech23%12%
AI & Machine Learning20%12%
Enterprise Software4%14%
Fintech13%9%
E-commerce & Marketplaces5%11%
Education7%6%

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 Samurai Incubate Inc. 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/samurai-incubate.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