Investors / CapitalX / Compare with Helium-3 Ventures
CapitalX vs Helium-3 Ventures
CapitalX lists 34 portfolio companies and has joined 1 funding round; Helium-3 Ventures lists 29 companies and has joined 1 round. CapitalX comes in most often at Seed (100% of its entries), Helium-3 Ventures comes in most often at Series A (100% of its entries). 2 companies are on both portfolios, among them Boom Supersonic and Cart.com.
Show as a table
| CapitalX | Helium-3 Ventures | |
|---|---|---|
| Portfolio companies | 34 | 29 |
| Funding rounds joined | 1 | 1 |
| Rounds led | 0 | 0 |
| Rounds, last 12 months | 0 | 0 |
| 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 stageCapitalXHelium-3 Ventures
Show as a table
| CapitalX | Helium-3 Ventures | |
|---|---|---|
| Pre-seed | 0% | 0% |
| Seed | 100% | 0% |
| Series A | 0% | 100% |
| Series B | 0% | 0% |
| Growth | 0% | 0% |
Themes
share of checked companiesCapitalXHelium-3 Ventures
Show as a table
| CapitalX | Helium-3 Ventures | |
|---|---|---|
| AI & Machine Learning | 22% | 23% |
| Industrial & Manufacturing | 0% | 19% |
| Fintech | 19% | 6% |
| Enterprise Software | 14% | 8% |
| Education | 3% | 14% |
| E-commerce & Marketplaces | 9% | 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 CapitalX and Helium-3 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/capitalx.company/portfolio
# also
GET /v1/firms/helium-3ventures.com/portfolio
GET /v1/firms/capitalx.company/coinvestors