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Investors / 24Haymarket / Compare with Quantum Exponential

24Haymarket vs Quantum Exponential

24Haymarket lists 51 portfolio companies and has joined 4 funding rounds; Quantum Exponential lists 8 companies and has joined 3 rounds. 24Haymarket comes in most often at Series A (100% of its entries), Quantum Exponential comes in most often at Seed (67% of its entries). 1 company is on both portfolios, among them Aegiq.

51Portfolio companies8
4Funding rounds joined3
2Rounds led0
4Rounds, last 12 months3
$5M to $20MTypical round it comes in at$1M to $5M
0%Sites no longer answering0%
Show as a table
24Haymarket and Quantum Exponential, head to head
24HaymarketQuantum Exponential
Portfolio companies518
Funding rounds joined43
Rounds led20
Rounds, last 12 months43
Typical round it comes in at$5M to $20M$1M to $5M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%67%
Series A100%33%
Series B0%0%
Growth0%0%

24HaymarketQuantum Exponential

Show as a table
Entry stages of 24Haymarket and Quantum Exponential, share of entries
24HaymarketQuantum Exponential
Pre-seed0%0%
Seed0%67%
Series A100%33%
Series B0%0%
Growth0%0%

Themes

share of checked companies
AI & Machine Learning17%31%
Healthcare & Biotech21%23%
Industrial & Manufacturing5%15%
Enterprise Software9%8%
Education7%8%
Other0%8%

24HaymarketQuantum Exponential

Show as a table
Themes of 24Haymarket and Quantum Exponential, share of checked companies
24HaymarketQuantum Exponential
AI & Machine Learning17%31%
Healthcare & Biotech21%23%
Industrial & Manufacturing5%15%
Enterprise Software9%8%
Education7%8%
Other0%8%

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 24Haymarket and Quantum Exponential 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/24haymarket.com/portfolio

# also
GET /v1/firms/quantumexp.co.uk/portfolio
GET /v1/firms/24haymarket.com/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing