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Investors / Moonstone / Compare with QantX

Moonstone vs QantX

Moonstone lists 42 portfolio companies and has joined 4 funding rounds; QantX lists 18 companies and has joined 4 rounds. Moonstone comes in most often at Seed (75% of its entries), QantX comes in most often at Seed (100% of its entries). 1 company is on both portfolios, among them Kelpi.

42Portfolio companies18
4Funding rounds joined4
0Rounds led1
3Rounds, last 12 months3
$1M to $5MTypical round it comes in at$5M to $20M
0%Sites no longer answering0%
Show as a table
Moonstone and QantX, head to head
MoonstoneQantX
Portfolio companies4218
Funding rounds joined44
Rounds led01
Rounds, last 12 months33
Typical round it comes in at$1M to $5M$5M to $20M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed25%0%
Seed75%100%
Series A0%0%
Series B0%0%
Growth0%0%

MoonstoneQantX

Show as a table
Entry stages of Moonstone and QantX, share of entries
MoonstoneQantX
Pre-seed25%0%
Seed75%100%
Series A0%0%
Series B0%0%
Growth0%0%

Themes

share of checked companies
Healthcare & Biotech24%42%
AI & Machine Learning24%15%
Education13%8%
Industrial & Manufacturing10%4%
Fintech5%0%
Human Resources5%4%

MoonstoneQantX

Show as a table
Themes of Moonstone and QantX, share of checked companies
MoonstoneQantX
Healthcare & Biotech24%42%
AI & Machine Learning24%15%
Education13%8%
Industrial & Manufacturing10%4%
Fintech5%0%
Human Resources5%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 Moonstone and QantX 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/moonstone.fund/portfolio

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