Investors / Black River Ventures / Compare with Proton Perlmutter Ventures
Black River Ventures vs Proton Perlmutter Ventures
Black River Ventures lists 21 portfolio companies and has joined 0 funding rounds; Proton Perlmutter Ventures lists 2 companies and has joined 0 rounds. 1 company is on both portfolios, among them 23andme.com.
Show as a table
| Black River Ventures | Proton Perlmutter Ventures | |
|---|---|---|
| Portfolio companies | 21 | 2 |
| Funding rounds joined | 0 | 0 |
| Rounds led | 0 | 0 |
| Rounds, last 12 months | 0 | 0 |
| Typical round it comes in at | n/a | n/a |
| Sites no longer answering | 0% | 0% |
Where they come in
share of entries by stageBlack River VenturesProton Perlmutter Ventures
Show as a table
| Black River Ventures | Proton Perlmutter Ventures | |
|---|---|---|
| Pre-seed | 0% | 0% |
| Seed | 0% | 0% |
| Series A | 0% | 0% |
| Series B | 0% | 0% |
| Growth | 0% | 0% |
Themes
share of checked companiesBlack River VenturesProton Perlmutter Ventures
Show as a table
| Black River Ventures | Proton Perlmutter Ventures | |
|---|---|---|
| Healthcare & Biotech | 14% | 67% |
| Consumer | 9% | 33% |
| Fintech | 17% | 0% |
| Real Estate & Construction | 9% | 0% |
| E-commerce & Marketplaces | 9% | 0% |
| Food & Agriculture | 6% | 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 Black River Ventures and Proton Perlmutter 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/brv.vc/portfolio
# also
GET /v1/firms/protonperlmutterventures.com/portfolio
GET /v1/firms/brv.vc/coinvestors