Investors / Chapter One / Compare with Protagonist
Chapter One vs Protagonist
Chapter One lists 75 portfolio companies and has joined 7 funding rounds; Protagonist lists 15 companies and has joined 7 rounds. Chapter One comes in most often at Seed (71% of its entries), Protagonist comes in most often at Seed (43% of its entries). 1 company is on both portfolios, among them Epirus.
Show as a table
| Chapter One | Protagonist | |
|---|---|---|
| Portfolio companies | 75 | 15 |
| Funding rounds joined | 7 | 7 |
| Rounds led | 0 | 1 |
| Rounds, last 12 months | 4 | 2 |
| Typical round it comes in at | $5M to $20M | $20M to $100M |
| Sites no longer answering | 0% | 0% |
Where they come in
share of entries by stageChapter OneProtagonist
Show as a table
| Chapter One | Protagonist | |
|---|---|---|
| Pre-seed | 0% | 0% |
| Seed | 71% | 43% |
| Series A | 29% | 43% |
| Series B | 0% | 0% |
| Growth | 0% | 14% |
Themes
share of checked companiesChapter OneProtagonist
Show as a table
| Chapter One | Protagonist | |
|---|---|---|
| AI & Machine Learning | 19% | 24% |
| Fintech | 21% | 20% |
| Cybersecurity | 12% | 12% |
| Education | 8% | 4% |
| Enterprise Software | 8% | 0% |
| Robotics & Hardware | 0% | 8% |
Companies both back
1Shared 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 Chapter One and Protagonist 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/chapterone.com/portfolio
# also
GET /v1/firms/protagonist.co/portfolio
GET /v1/firms/chapterone.com/coinvestors