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Investors / Aster / Compare with Join Capital

Aster vs Join Capital

Aster lists 63 portfolio companies and has joined 0 funding rounds; Join Capital lists 38 companies and has joined 8 rounds. Join Capital comes in most often at Seed (50% of its entries). 1 company is on both portfolios, among them Advae.

63Portfolio companies38
0Funding rounds joined8
0Rounds led5
0Rounds, last 12 months5
n/aTypical round it comes in at$5M to $20M
0%Sites no longer answering0%
Show as a table
Aster and Join Capital, head to head
AsterJoin Capital
Portfolio companies6338
Funding rounds joined08
Rounds led05
Rounds, last 12 months05
Typical round it comes in atn/a$5M to $20M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%50%
Series A0%38%
Series B0%13%
Growth0%0%

AsterJoin Capital

Show as a table
Entry stages of Aster and Join Capital, share of entries
AsterJoin Capital
Pre-seed0%0%
Seed0%50%
Series A0%38%
Series B0%13%
Growth0%0%

Themes

share of checked companies
AI & Machine Learning16%46%
Industrial & Manufacturing19%26%
Education16%0%
Mobility & Logistics10%0%
Healthcare & Biotech9%2%
Cybersecurity0%7%

AsterJoin Capital

Show as a table
Themes of Aster and Join Capital, share of checked companies
AsterJoin Capital
AI & Machine Learning16%46%
Industrial & Manufacturing19%26%
Education16%0%
Mobility & Logistics10%0%
Healthcare & Biotech9%2%
Cybersecurity0%7%

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 Aster 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/aster.com/portfolio

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