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Investors / Join Capital / Compare with Seraphim Space

Join Capital vs Seraphim Space

Join Capital lists 38 portfolio companies and has joined 8 funding rounds; Seraphim Space lists 125 companies and has joined 12 rounds. Join Capital comes in most often at Seed (50% of its entries), Seraphim Space comes in most often at Seed (73% of its entries). 2 companies are on both portfolios, among them Opteran and Quadsat.

38Portfolio companies125
8Funding rounds joined12
5Rounds led2
5Rounds, last 12 months8
$5M to $20MTypical round it comes in at$5M to $20M
0%Sites no longer answering0%
Show as a table
Join Capital and Seraphim Space, head to head
Join CapitalSeraphim Space
Portfolio companies38125
Funding rounds joined812
Rounds led52
Rounds, last 12 months58
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%73%
Series A38%18%
Series B13%0%
Growth0%9%

Join CapitalSeraphim Space

Show as a table
Entry stages of Join Capital and Seraphim Space, share of entries
Join CapitalSeraphim Space
Pre-seed0%0%
Seed50%73%
Series A38%18%
Series B13%0%
Growth0%9%

Themes

share of checked companies
AI & Machine Learning46%53%
Industrial & Manufacturing26%4%
Space & Defense3%20%
Cybersecurity7%4%
Real Estate & Construction5%0%
Healthcare & Biotech2%4%

Join CapitalSeraphim Space

Show as a table
Themes of Join Capital and Seraphim Space, share of checked companies
Join CapitalSeraphim Space
AI & Machine Learning46%53%
Industrial & Manufacturing26%4%
Space & Defense3%20%
Cybersecurity7%4%
Real Estate & Construction5%0%
Healthcare & Biotech2%4%

Companies both back

2

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 Seraphim Space 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/seraphim.vc/portfolio
GET /v1/firms/join.capital/coinvestors
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