Investors / C4 Ventures / Compare with Valor Siren Ventures
C4 Ventures vs Valor Siren Ventures
C4 Ventures lists 13 portfolio companies and has joined 5 funding rounds; Valor Siren Ventures lists 198 companies and has joined 69 rounds. C4 Ventures comes in most often at Series B (50% of its entries), Valor Siren Ventures comes in most often at Growth (37% of its entries). 2 companies are on both portfolios, among them Bedrock Robotics and Impulse Space.
Show as a table
| C4 Ventures | Valor Siren Ventures | |
|---|---|---|
| Portfolio companies | 13 | 198 |
| Funding rounds joined | 5 | 69 |
| Rounds led | 1 | 24 |
| Rounds, last 12 months | 1 | 42 |
| 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 stageC4 VenturesValor Siren Ventures
Show as a table
| C4 Ventures | Valor Siren Ventures | |
|---|---|---|
| Pre-seed | 0% | 0% |
| Seed | 25% | 14% |
| Series A | 25% | 31% |
| Series B | 50% | 18% |
| Growth | 0% | 37% |
Themes
share of checked companiesC4 VenturesValor Siren Ventures
Show as a table
| C4 Ventures | Valor Siren Ventures | |
|---|---|---|
| AI & Machine Learning | 32% | 26% |
| Robotics & Hardware | 16% | 0% |
| Fintech | 0% | 12% |
| Healthcare & Biotech | 11% | 12% |
| Space & Defense | 11% | 0% |
| Industrial & Manufacturing | 11% | 7% |
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 C4 Ventures and Valor Siren 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/c4v.com/portfolio
# also
GET /v1/firms/valorep.com/portfolio
GET /v1/firms/c4v.com/coinvestors