Investors / Building Ventures / Compare with Join Capital
Building Ventures vs Join Capital
Building Ventures lists 34 portfolio companies and has joined 4 funding rounds; Join Capital lists 38 companies and has joined 8 rounds. Building Ventures comes in most often at Series A (100% of its entries), Join Capital comes in most often at Seed (50% of its entries). 1 company is on both portfolios, among them Firehole.
Show as a table
| Building Ventures | Join Capital | |
|---|---|---|
| Portfolio companies | 34 | 38 |
| Funding rounds joined | 4 | 8 |
| Rounds led | 1 | 5 |
| Rounds, last 12 months | 1 | 5 |
| Typical round it comes in at | $20M to $100M | $5M to $20M |
| Sites no longer answering | 0% | 0% |
Where they come in
share of entries by stageBuilding VenturesJoin Capital
Show as a table
| Building Ventures | Join Capital | |
|---|---|---|
| Pre-seed | 0% | 0% |
| Seed | 0% | 50% |
| Series A | 100% | 38% |
| Series B | 0% | 13% |
| Growth | 0% | 0% |
Themes
share of checked companiesBuilding VenturesJoin Capital
Show as a table
| Building Ventures | Join Capital | |
|---|---|---|
| AI & Machine Learning | 8% | 46% |
| Real Estate & Construction | 27% | 5% |
| Industrial & Manufacturing | 20% | 26% |
| Education | 12% | 0% |
| Healthcare & Biotech | 7% | 2% |
| Fintech | 7% | 3% |
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 Building Ventures and Join 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/buildingventures.com/portfolio
# also
GET /v1/firms/join.capital/portfolio
GET /v1/firms/buildingventures.com/coinvestors