Investors / Alta Partners / Compare with Longitude Capital
Alta Partners vs Longitude Capital
Alta Partners lists 21 portfolio companies and has joined 2 funding rounds; Longitude Capital lists 82 companies and has joined 4 rounds. Alta Partners comes in most often at Series B (100% of its entries), Longitude Capital comes in most often at Series A (75% of its entries). 2 companies are on both portfolios, among them CuraSen Therapeutics and Lassen Therapeutics.
Show as a table
| Alta Partners | Longitude Capital | |
|---|---|---|
| Portfolio companies | 21 | 82 |
| Funding rounds joined | 2 | 4 |
| Rounds led | 1 | 1 |
| Rounds, last 12 months | 1 | 2 |
| Typical round it comes in at | $100M or more | $100M or more |
| Sites no longer answering | 0% | 0% |
Where they come in
share of entries by stageAlta PartnersLongitude Capital
Show as a table
| Alta Partners | Longitude Capital | |
|---|---|---|
| Pre-seed | 0% | 0% |
| Seed | 0% | 0% |
| Series A | 0% | 75% |
| Series B | 100% | 0% |
| Growth | 0% | 25% |
Themes
share of checked companiesAlta PartnersLongitude Capital
Show as a table
| Alta Partners | Longitude Capital | |
|---|---|---|
| Healthcare & Biotech | 96% | 92% |
| Media & Entertainment | 5% | 0% |
| Space & Defense | 0% | 2% |
| Industrial & Manufacturing | 0% | 1% |
| Fintech | 0% | 1% |
| Human Resources | 0% | 1% |
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 Alta Partners and Longitude Capital 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/altapartners.com/portfolio
# also
GET /v1/firms/longitudecapital.com/portfolio
GET /v1/firms/altapartners.com/coinvestors