Investors / 25madison / Compare with StartX
25madison vs StartX
25madison lists 12 portfolio companies and has joined 4 funding rounds; StartX lists 771 companies and has joined 2 rounds. 25madison comes in most often at Seed (100% of its entries), StartX comes in most often at Series A (100% of its entries). 1 company is on both portfolios, among them Miravoice.
Show as a table
| 25madison | StartX | |
|---|---|---|
| Portfolio companies | 12 | 771 |
| Funding rounds joined | 4 | 2 |
| Rounds led | 0 | 0 |
| Rounds, last 12 months | 3 | 1 |
| Typical round it comes in at | $5M to $20M | $20M to $100M |
| Sites no longer answering | 0% | 0% |
Where they come in
share of entries by stage25madisonStartX
Show as a table
| 25madison | StartX | |
|---|---|---|
| Pre-seed | 0% | 0% |
| Seed | 100% | 0% |
| Series A | 0% | 100% |
| Series B | 0% | 0% |
| Growth | 0% | 0% |
Themes
share of checked companies25madisonStartX
Show as a table
| 25madison | StartX | |
|---|---|---|
| Healthcare & Biotech | 39% | 25% |
| AI & Machine Learning | 11% | 19% |
| Fintech | 11% | 8% |
| Education | 6% | 9% |
| Enterprise Software | 0% | 7% |
| Industrial & Manufacturing | 6% | 6% |
Companies both back
1Shared 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 25madison and StartX 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/25madison.com/portfolio
# also
GET /v1/firms/startx.com/portfolio
GET /v1/firms/25madison.com/coinvestors