Investors / Big Brain Holdings / Compare with Magnetar AI Ventures
Big Brain Holdings vs Magnetar AI Ventures
Big Brain Holdings lists 77 portfolio companies and has joined 11 funding rounds; Magnetar AI Ventures lists 10 companies and has joined 13 rounds. Big Brain Holdings comes in most often at Seed (100% of its entries), Magnetar AI Ventures comes in most often at Growth (55% of its entries). 1 company is on both portfolios, among them Apptronik.
Show as a table
| Big Brain Holdings | Magnetar AI Ventures | |
|---|---|---|
| Portfolio companies | 77 | 10 |
| Funding rounds joined | 11 | 13 |
| Rounds led | 0 | 5 |
| Rounds, last 12 months | 5 | 8 |
| Typical round it comes in at | $5M to $20M | $100M or more |
| Sites no longer answering | 0% | 0% |
Where they come in
share of entries by stageBig Brain HoldingsMagnetar AI Ventures
Show as a table
| Big Brain Holdings | Magnetar AI Ventures | |
|---|---|---|
| Pre-seed | 0% | 0% |
| Seed | 100% | 0% |
| Series A | 0% | 27% |
| Series B | 0% | 18% |
| Growth | 0% | 55% |
Themes
share of checked companiesBig Brain HoldingsMagnetar AI Ventures
Show as a table
| Big Brain Holdings | Magnetar AI Ventures | |
|---|---|---|
| Fintech | 30% | 0% |
| AI & Machine Learning | 22% | 29% |
| Cybersecurity | 10% | 14% |
| Industrial & Manufacturing | 6% | 14% |
| Space & Defense | 0% | 14% |
| Crypto & Web3 | 7% | 0% |
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 Big Brain Holdings and Magnetar AI 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/bigbrain.holdings/portfolio
# also
GET /v1/firms/magnetarventures.com/portfolio
GET /v1/firms/bigbrain.holdings/coinvestors