Investors / Mayfield / Compare with Socium Ventures
Mayfield vs Socium Ventures
Mayfield lists 134 portfolio companies and has joined 38 funding rounds; Socium Ventures lists 32 companies and has joined 7 rounds. Mayfield comes in most often at Series A (39% of its entries), Socium Ventures comes in most often at Series B (43% of its entries). 2 companies are on both portfolios, among them Scale AI and Sema4.
Show as a table
| Mayfield | Socium Ventures | |
|---|---|---|
| Portfolio companies | 134 | 32 |
| Funding rounds joined | 38 | 7 |
| Rounds led | 13 | 4 |
| Rounds, last 12 months | 21 | 4 |
| Typical round it comes in at | $20M to $100M | $20M to $100M |
| Sites no longer answering | 0% | 0% |
Where they come in
share of entries by stageMayfieldSocium Ventures
Show as a table
| Mayfield | Socium Ventures | |
|---|---|---|
| Pre-seed | 3% | 0% |
| Seed | 36% | 0% |
| Series A | 39% | 14% |
| Series B | 10% | 43% |
| Growth | 13% | 43% |
Themes
share of checked companiesMayfieldSocium Ventures
Show as a table
| Mayfield | Socium Ventures | |
|---|---|---|
| AI & Machine Learning | 34% | 24% |
| Healthcare & Biotech | 9% | 24% |
| Enterprise Software | 9% | 13% |
| Cybersecurity | 11% | 4% |
| Industrial & Manufacturing | 0% | 9% |
| Fintech | 7% | 6% |
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 Mayfield and Socium Ventures 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/mayfield.com/portfolio
# also
GET /v1/firms/sociumventures.com/portfolio
GET /v1/firms/mayfield.com/coinvestors