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Investors / Calculus Capital / Compare with Join Capital

Calculus Capital vs Join Capital

Calculus Capital lists 7 portfolio companies and has joined 8 funding rounds; Join Capital lists 38 companies and has joined 8 rounds. Calculus Capital comes in most often at Seed (43% of its entries), Join Capital comes in most often at Seed (50% of its entries). 1 company is on both portfolios, among them CloudNC.

7Portfolio companies38
8Funding rounds joined8
3Rounds led5
4Rounds, last 12 months5
$5M to $20MTypical round it comes in at$5M to $20M
0%Sites no longer answering0%
Show as a table
Calculus Capital and Join Capital, head to head
Calculus CapitalJoin Capital
Portfolio companies738
Funding rounds joined88
Rounds led35
Rounds, last 12 months45
Typical round it comes in at$5M to $20M$5M to $20M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed43%50%
Series A43%38%
Series B14%13%
Growth0%0%

Calculus CapitalJoin Capital

Show as a table
Entry stages of Calculus Capital and Join Capital, share of entries
Calculus CapitalJoin Capital
Pre-seed0%0%
Seed43%50%
Series A43%38%
Series B14%13%
Growth0%0%

Themes

share of checked companies
AI & Machine Learning18%46%
Healthcare & Biotech27%2%
Industrial & Manufacturing18%26%
Food & Agriculture18%0%
Legal & Compliance9%2%
Fintech9%3%

Calculus CapitalJoin Capital

Show as a table
Themes of Calculus Capital and Join Capital, share of checked companies
Calculus CapitalJoin Capital
AI & Machine Learning18%46%
Healthcare & Biotech27%2%
Industrial & Manufacturing18%26%
Food & Agriculture18%0%
Legal & Compliance9%2%
Fintech9%3%

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 Calculus Capital 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.

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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/calculuscapital.com/portfolio

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