Investors / Blackbird / Compare with C4 Ventures
Blackbird vs C4 Ventures
Blackbird lists 140 portfolio companies and has joined 0 funding rounds; C4 Ventures lists 13 companies and has joined 5 rounds. C4 Ventures comes in most often at Series B (50% of its entries). 1 company is on both portfolios, among them PsiQuantum.
Show as a table
| Blackbird | C4 Ventures | |
|---|---|---|
| Portfolio companies | 140 | 13 |
| Funding rounds joined | 0 | 5 |
| Rounds led | 0 | 1 |
| Rounds, last 12 months | 0 | 1 |
| Typical round it comes in at | n/a | $20M to $100M |
| Sites no longer answering | 0% | 0% |
Where they come in
share of entries by stageBlackbirdC4 Ventures
Show as a table
| Blackbird | C4 Ventures | |
|---|---|---|
| Pre-seed | 0% | 0% |
| Seed | 0% | 25% |
| Series A | 0% | 25% |
| Series B | 0% | 50% |
| Growth | 0% | 0% |
Themes
share of checked companiesBlackbirdC4 Ventures
Show as a table
| Blackbird | C4 Ventures | |
|---|---|---|
| AI & Machine Learning | 22% | 32% |
| Robotics & Hardware | 0% | 16% |
| Enterprise Software | 11% | 5% |
| Healthcare & Biotech | 11% | 11% |
| Industrial & Manufacturing | 9% | 11% |
| Space & Defense | 6% | 11% |
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 Blackbird and C4 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/blackbird.vc/portfolio
# also
GET /v1/firms/c4v.com/portfolio
GET /v1/firms/blackbird.vc/coinvestors