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Investors / Anti Fund / Compare with Valor Siren Ventures

Anti Fund vs Valor Siren Ventures

Anti Fund lists 57 portfolio companies and has joined 11 funding rounds; Valor Siren Ventures lists 198 companies and has joined 69 rounds. Anti Fund comes in most often at Seed (50% of its entries), Valor Siren Ventures comes in most often at Growth (37% of its entries). 5 companies are on both portfolios, among them Anduril, The Boring Company and Eight Sleep.

57Portfolio companies198
11Funding rounds joined69
1Rounds led24
9Rounds, last 12 months42
$5M to $20MTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
Anti Fund and Valor Siren Ventures, head to head
Anti FundValor Siren Ventures
Portfolio companies57198
Funding rounds joined1169
Rounds led124
Rounds, last 12 months942
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%14%
Series A40%31%
Series B0%18%
Growth10%37%

Anti FundValor Siren Ventures

Show as a table
Entry stages of Anti Fund and Valor Siren Ventures, share of entries
Anti FundValor Siren Ventures
Pre-seed0%0%
Seed50%14%
Series A40%31%
Series B0%18%
Growth10%37%

Themes

share of checked companies
AI & Machine Learning37%26%
Fintech9%12%
Healthcare & Biotech6%12%
Cybersecurity0%9%
Industrial & Manufacturing5%7%
Space & Defense6%0%

Anti FundValor Siren Ventures

Show as a table
Themes of Anti Fund and Valor Siren Ventures, share of checked companies
Anti FundValor Siren Ventures
AI & Machine Learning37%26%
Fintech9%12%
Healthcare & Biotech6%12%
Cybersecurity0%9%
Industrial & Manufacturing5%7%
Space & Defense6%0%

Companies both back

5

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 Valor Siren Ventures 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/valorep.com/portfolio
GET /v1/firms/antifund.com/coinvestors
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