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Investors / B3 Capital / Compare with ThirdStream Partners

B3 Capital vs ThirdStream Partners

B3 Capital lists 15 portfolio companies and has joined 3 funding rounds; ThirdStream Partners lists 51 companies and has joined 0 rounds. B3 Capital comes in most often at Series A (67% of its entries). 1 company is on both portfolios, among them Figure.

15Portfolio companies51
3Funding rounds joined0
0Rounds led0
1Rounds, last 12 months0
$20M to $100MTypical round it comes in atn/a
0%Sites no longer answering0%
Show as a table
B3 Capital and ThirdStream Partners, head to head
B3 CapitalThirdStream Partners
Portfolio companies1551
Funding rounds joined30
Rounds led00
Rounds, last 12 months10
Typical round it comes in at$20M to $100Mn/a
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%0%
Series A67%0%
Series B33%0%
Growth0%0%

B3 CapitalThirdStream Partners

Show as a table
Entry stages of B3 Capital and ThirdStream Partners, share of entries
B3 CapitalThirdStream Partners
Pre-seed0%0%
Seed0%0%
Series A67%0%
Series B33%0%
Growth0%0%

Themes

share of checked companies
Fintech37%55%
AI & Machine Learning15%10%
Real Estate & Construction4%8%
E-commerce & Marketplaces7%0%
Legal & Compliance7%4%
Cybersecurity7%2%

B3 CapitalThirdStream Partners

Show as a table
Themes of B3 Capital and ThirdStream Partners, share of checked companies
B3 CapitalThirdStream Partners
Fintech37%55%
AI & Machine Learning15%10%
Real Estate & Construction4%8%
E-commerce & Marketplaces7%0%
Legal & Compliance7%4%
Cybersecurity7%2%

Companies both back

1

Shared 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

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Compare B3 Capital and ThirdStream Partners 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.

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  • 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
VCinfo API
$ curl -H "X-API-Key: YOUR_KEY" \
  https://api.vcinfo.io/v1/firms/b3cap.co/portfolio

# also
GET /v1/firms/thirdstreampartners.com/portfolio
GET /v1/firms/b3cap.co/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing