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Investors / Arrington Capital / Compare with Protagonist

Arrington Capital vs Protagonist

Arrington Capital lists 97 portfolio companies and has joined 5 funding rounds; Protagonist lists 15 companies and has joined 7 rounds. Arrington Capital comes in most often at Seed (40% of its entries), Protagonist comes in most often at Seed (43% of its entries). 1 company is on both portfolios, among them Roam.

97Portfolio companies15
5Funding rounds joined7
0Rounds led1
3Rounds, last 12 months2
$20M to $100MTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
Arrington Capital and Protagonist, head to head
Arrington CapitalProtagonist
Portfolio companies9715
Funding rounds joined57
Rounds led01
Rounds, last 12 months32
Typical round it comes in at$20M to $100M$20M to $100M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed40%43%
Series A20%43%
Series B20%0%
Growth20%14%

Arrington CapitalProtagonist

Show as a table
Entry stages of Arrington Capital and Protagonist, share of entries
Arrington CapitalProtagonist
Pre-seed0%0%
Seed40%43%
Series A20%43%
Series B20%0%
Growth20%14%

Themes

share of checked companies
Fintech45%20%
AI & Machine Learning16%24%
Crypto & Web314%0%
Cybersecurity6%12%
Robotics & Hardware0%8%
Industrial & Manufacturing0%8%

Arrington CapitalProtagonist

Show as a table
Themes of Arrington Capital and Protagonist, share of checked companies
Arrington CapitalProtagonist
Fintech45%20%
AI & Machine Learning16%24%
Crypto & Web314%0%
Cybersecurity6%12%
Robotics & Hardware0%8%
Industrial & Manufacturing0%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 Arrington Capital 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.

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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/arringtoncapital.com/portfolio

# also
GET /v1/firms/protagonist.co/portfolio
GET /v1/firms/arringtoncapital.com/coinvestors
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