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Investors / Anti Fund / Compare with IronArc

Anti Fund vs IronArc

Anti Fund lists 57 portfolio companies and has joined 11 funding rounds; IronArc lists 18 companies and has joined 2 rounds. Anti Fund comes in most often at Seed (50% of its entries), IronArc comes in most often at Growth (100% of its entries). 3 companies are on both portfolios, among them Anduril, Saronic and SpaceX.

57Portfolio companies18
11Funding rounds joined2
1Rounds led0
9Rounds, last 12 months2
$5M to $20MTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
Anti Fund and IronArc, head to head
Anti FundIronArc
Portfolio companies5718
Funding rounds joined112
Rounds led10
Rounds, last 12 months92
Typical round it comes in at$5M to $20M$100M or more
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed50%0%
Series A40%0%
Series B0%0%
Growth10%100%

Anti FundIronArc

Show as a table
Entry stages of Anti Fund and IronArc, share of entries
Anti FundIronArc
Pre-seed0%0%
Seed50%0%
Series A40%0%
Series B0%0%
Growth10%100%

Themes

share of checked companies
AI & Machine Learning37%58%
Enterprise Software5%21%
Cybersecurity0%9%
Fintech9%3%
Industrial & Manufacturing5%6%
Space & Defense6%0%

Anti FundIronArc

Show as a table
Themes of Anti Fund and IronArc, share of checked companies
Anti FundIronArc
AI & Machine Learning37%58%
Enterprise Software5%21%
Cybersecurity0%9%
Fintech9%3%
Industrial & Manufacturing5%6%
Space & Defense6%0%

Companies both back

3

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 Anti Fund and IronArc 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/antifund.com/portfolio

# also
GET /v1/firms/ironarcventures.com/portfolio
GET /v1/firms/antifund.com/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing