Investors / Main Sequence / Compare with SOSV
Main Sequence vs SOSV
Main Sequence lists 64 portfolio companies and has joined 21 funding rounds; SOSV lists 603 companies and has joined 37 rounds. Main Sequence comes in most often at Series A (39% of its entries), SOSV comes in most often at Seed (91% of its entries). 2 companies are on both portfolios, among them Cauldron and EVERY.
Show as a table
| Main Sequence | SOSV | |
|---|---|---|
| Portfolio companies | 64 | 603 |
| Funding rounds joined | 21 | 37 |
| Rounds led | 7 | 6 |
| Rounds, last 12 months | 13 | 24 |
| Typical round it comes in at | $5M to $20M | $1M to $5M |
| Sites no longer answering | 0% | 0% |
Where they come in
share of entries by stageMain SequenceSOSV
Show as a table
| Main Sequence | SOSV | |
|---|---|---|
| Pre-seed | 6% | 0% |
| Seed | 22% | 91% |
| Series A | 39% | 6% |
| Series B | 11% | 0% |
| Growth | 22% | 3% |
Themes
share of checked companiesMain SequenceSOSV
Show as a table
| Main Sequence | SOSV | |
|---|---|---|
| AI & Machine Learning | 32% | 18% |
| Healthcare & Biotech | 11% | 22% |
| Industrial & Manufacturing | 16% | 11% |
| Education | 7% | 6% |
| Food & Agriculture | 6% | 7% |
| Robotics & Hardware | 6% | 3% |
Companies both back
2Shared 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
Compare Main Sequence and SOSV 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
$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/mseq.vc/portfolio
# also
GET /v1/firms/sosv.com/portfolio
GET /v1/firms/mseq.vc/coinvestors