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Investors / Main Sequence / Compare with Quantum Exponential

Main Sequence vs Quantum Exponential

Main Sequence lists 64 portfolio companies and has joined 21 funding rounds; Quantum Exponential lists 8 companies and has joined 3 rounds. Main Sequence comes in most often at Series A (39% of its entries), Quantum Exponential comes in most often at Seed (67% of its entries). 1 company is on both portfolios, among them Universal Quantum.

64Portfolio companies8
21Funding rounds joined3
7Rounds led0
13Rounds, last 12 months3
$5M to $20MTypical round it comes in at$1M to $5M
0%Sites no longer answering0%
Show as a table
Main Sequence and Quantum Exponential, head to head
Main SequenceQuantum Exponential
Portfolio companies648
Funding rounds joined213
Rounds led70
Rounds, last 12 months133
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-seed6%0%
Seed22%67%
Series A39%33%
Series B11%0%
Growth22%0%

Main SequenceQuantum Exponential

Show as a table
Entry stages of Main Sequence and Quantum Exponential, share of entries
Main SequenceQuantum Exponential
Pre-seed6%0%
Seed22%67%
Series A39%33%
Series B11%0%
Growth22%0%

Themes

share of checked companies
AI & Machine Learning32%31%
Healthcare & Biotech11%23%
Industrial & Manufacturing16%15%
Education7%8%
Other0%8%
Enterprise Software0%8%

Main SequenceQuantum Exponential

Show as a table
Themes of Main Sequence and Quantum Exponential, share of checked companies
Main SequenceQuantum Exponential
AI & Machine Learning32%31%
Healthcare & Biotech11%23%
Industrial & Manufacturing16%15%
Education7%8%
Other0%8%
Enterprise Software0%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 Main Sequence 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/mseq.vc/portfolio

# also
GET /v1/firms/quantumexp.co.uk/portfolio
GET /v1/firms/mseq.vc/coinvestors
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