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Investors / Join Capital / Compare with Northern Gritstone

Join Capital vs Northern Gritstone

Join Capital lists 38 portfolio companies and has joined 8 funding rounds; Northern Gritstone lists 33 companies and has joined 13 rounds. Join Capital comes in most often at Seed (50% of its entries), Northern Gritstone comes in most often at Seed (62% of its entries). 1 company is on both portfolios, among them Opteran.

38Portfolio companies33
8Funding rounds joined13
5Rounds led10
5Rounds, last 12 months11
$5M to $20MTypical round it comes in at$5M to $20M
0%Sites no longer answering0%
Show as a table
Join Capital and Northern Gritstone, head to head
Join CapitalNorthern Gritstone
Portfolio companies3833
Funding rounds joined813
Rounds led510
Rounds, last 12 months511
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%
Seed50%62%
Series A38%31%
Series B13%8%
Growth0%0%

Join CapitalNorthern Gritstone

Show as a table
Entry stages of Join Capital and Northern Gritstone, share of entries
Join CapitalNorthern Gritstone
Pre-seed0%0%
Seed50%62%
Series A38%31%
Series B13%8%
Growth0%0%

Themes

share of checked companies
AI & Machine Learning46%24%
Healthcare & Biotech2%30%
Industrial & Manufacturing26%16%
Cybersecurity7%10%
Real Estate & Construction5%0%
Robotics & Hardware3%4%

Join CapitalNorthern Gritstone

Show as a table
Themes of Join Capital and Northern Gritstone, share of checked companies
Join CapitalNorthern Gritstone
AI & Machine Learning46%24%
Healthcare & Biotech2%30%
Industrial & Manufacturing26%16%
Cybersecurity7%10%
Real Estate & Construction5%0%
Robotics & Hardware3%4%

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 Join Capital and Northern Gritstone 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/join.capital/portfolio

# also
GET /v1/firms/northern-gritstone.com/portfolio
GET /v1/firms/join.capital/coinvestors
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