/

Investors / Main Sequence / Compare with Rampersand

Main Sequence vs Rampersand

Main Sequence lists 64 portfolio companies and has joined 21 funding rounds; Rampersand lists 19 companies and has joined 4 rounds. Main Sequence comes in most often at Series A (37% of its entries), Rampersand comes in most often at Seed (100% of its entries). 1 company is on both portfolios, among them Quantum Brilliance.

64Portfolio companies19
21Funding rounds joined4
7Rounds led0
14Rounds, 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 Rampersand, head to head
Main SequenceRampersand
Portfolio companies6419
Funding rounds joined214
Rounds led70
Rounds, last 12 months143
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-seed5%0%
Seed21%100%
Series A37%0%
Series B11%0%
Growth26%0%

Main SequenceRampersand

Show as a table
Entry stages of Main Sequence and Rampersand, share of entries
Main SequenceRampersand
Pre-seed5%0%
Seed21%100%
Series A37%0%
Series B11%0%
Growth26%0%

Themes

share of checked companies
AI & Machine Learning31%22%
Industrial & Manufacturing15%6%
Enterprise Software0%14%
Education7%11%
Healthcare & Biotech11%0%
Space & Defense6%8%

Main SequenceRampersand

Show as a table
Themes of Main Sequence and Rampersand, share of checked companies
Main SequenceRampersand
AI & Machine Learning31%22%
Industrial & Manufacturing15%6%
Enterprise Software0%14%
Education7%11%
Healthcare & Biotech11%0%
Space & Defense6%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

Free account · no card

Compare Main Sequence and Rampersand 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.

Work email, sign-in link by email. Already have an account? Log in
  • 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/rampersand.vc/portfolio
GET /v1/firms/mseq.vc/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing