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Investors / Marunouchi Innovation Partners / Compare with Princeville Capital

Marunouchi Innovation Partners vs Princeville Capital

Marunouchi Innovation Partners lists 12 portfolio companies and has joined 6 funding rounds; Princeville Capital lists 27 companies and has joined 3 rounds. Marunouchi Innovation Partners comes in most often at Growth (50% of its entries), Princeville Capital comes in most often at Growth (100% of its entries). 1 company is on both portfolios, among them Mainspring Energy Inc..

12Portfolio companies27
6Funding rounds joined3
0Rounds led1
3Rounds, last 12 months2
$100M or moreTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
Marunouchi Innovation Partners and Princeville Capital, head to head
Marunouchi Innovation PartnersPrinceville Capital
Portfolio companies1227
Funding rounds joined63
Rounds led01
Rounds, last 12 months32
Typical round it comes in at$100M or more$100M or more
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%0%
Series A17%0%
Series B33%0%
Growth50%100%

Marunouchi Innovation PartnersPrinceville Capital

Show as a table
Entry stages of Marunouchi Innovation Partners and Princeville Capital, share of entries
Marunouchi Innovation PartnersPrinceville Capital
Pre-seed0%0%
Seed0%0%
Series A17%0%
Series B33%0%
Growth50%100%

Themes

share of checked companies
Education38%5%
Industrial & Manufacturing19%14%
E-commerce & Marketplaces10%17%
Enterprise Software0%17%
AI & Machine Learning14%14%
Space & Defense10%7%

Marunouchi Innovation PartnersPrinceville Capital

Show as a table
Themes of Marunouchi Innovation Partners and Princeville Capital, share of checked companies
Marunouchi Innovation PartnersPrinceville Capital
Education38%5%
Industrial & Manufacturing19%14%
E-commerce & Marketplaces10%17%
Enterprise Software0%17%
AI & Machine Learning14%14%
Space & Defense10%7%

Companies both back

1

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

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Compare Marunouchi Innovation Partners and Princeville Capital 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.

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  • 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/marunouchi-innovation.com/portfolio

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