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Investors / Corner / Compare with Protagonist

Corner vs Protagonist

Corner lists 18 portfolio companies and has joined 8 funding rounds; Protagonist lists 15 companies and has joined 7 rounds. Corner comes in most often at Seed (43% of its entries), Protagonist comes in most often at Seed (43% of its entries). 2 companies are on both portfolios, among them fab2 and Tenstorrent.

18Portfolio companies15
8Funding rounds joined7
0Rounds led1
7Rounds, last 12 months2
$20M to $100MTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
Corner and Protagonist, head to head
CornerProtagonist
Portfolio companies1815
Funding rounds joined87
Rounds led01
Rounds, last 12 months72
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%
Seed43%43%
Series A43%43%
Series B14%0%
Growth0%14%

CornerProtagonist

Show as a table
Entry stages of Corner and Protagonist, share of entries
CornerProtagonist
Pre-seed0%0%
Seed43%43%
Series A43%43%
Series B14%0%
Growth0%14%

Themes

share of checked companies
AI & Machine Learning34%24%
Fintech6%20%
Cybersecurity19%12%
Industrial & Manufacturing9%8%
Robotics & Hardware6%8%
Media & Entertainment6%0%

CornerProtagonist

Show as a table
Themes of Corner and Protagonist, share of checked companies
CornerProtagonist
AI & Machine Learning34%24%
Fintech6%20%
Cybersecurity19%12%
Industrial & Manufacturing9%8%
Robotics & Hardware6%8%
Media & Entertainment6%0%

Companies both back

2

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 Corner 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/corner.xyz/portfolio

# also
GET /v1/firms/protagonist.co/portfolio
GET /v1/firms/corner.xyz/coinvestors
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