Investors / Fine Structure Ventures / Compare with Marunouchi Innovation Partners
Fine Structure Ventures vs Marunouchi Innovation Partners
Fine Structure Ventures lists 26 portfolio companies and has joined 8 funding rounds; Marunouchi Innovation Partners lists 12 companies and has joined 6 rounds. Fine Structure Ventures comes in most often at Series B (50% of its entries), Marunouchi Innovation Partners comes in most often at Growth (50% of its entries). 2 companies are on both portfolios, among them Boston Metal and Mainspring Energy Inc..
Show as a table
| Fine Structure Ventures | Marunouchi Innovation Partners | |
|---|---|---|
| Portfolio companies | 26 | 12 |
| Funding rounds joined | 8 | 6 |
| Rounds led | 4 | 0 |
| Rounds, last 12 months | 5 | 3 |
| Typical round it comes in at | $20M to $100M | $100M or more |
| Sites no longer answering | 0% | 0% |
Where they come in
share of entries by stageFine Structure VenturesMarunouchi Innovation Partners
Show as a table
| Fine Structure Ventures | Marunouchi Innovation Partners | |
|---|---|---|
| Pre-seed | 0% | 0% |
| Seed | 17% | 0% |
| Series A | 33% | 17% |
| Series B | 50% | 33% |
| Growth | 0% | 50% |
Themes
share of checked companiesFine Structure VenturesMarunouchi Innovation Partners
Show as a table
| Fine Structure Ventures | Marunouchi Innovation Partners | |
|---|---|---|
| Education | 11% | 38% |
| AI & Machine Learning | 28% | 14% |
| Industrial & Manufacturing | 28% | 19% |
| E-commerce & Marketplaces | 4% | 10% |
| Space & Defense | 2% | 10% |
| Healthcare & Biotech | 9% | 0% |
Companies both back
2Shared 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
Compare Fine Structure Ventures and Marunouchi Innovation Partners 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
$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/finestructure.vc/portfolio
# also
GET /v1/firms/marunouchi-innovation.com/portfolio
GET /v1/firms/finestructure.vc/coinvestors