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Investors / Anti Fund / Compare with Positive Sum

Anti Fund vs Positive Sum

Anti Fund lists 57 portfolio companies and has joined 11 funding rounds; Positive Sum lists 29 companies and has joined 11 rounds. Anti Fund comes in most often at Seed (50% of its entries), Positive Sum comes in most often at Growth (56% of its entries). 5 companies are on both portfolios, among them Cognition, Eight Sleep and Etched.

57Portfolio companies29
11Funding rounds joined11
1Rounds led1
9Rounds, last 12 months8
$5M to $20MTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
Anti Fund and Positive Sum, head to head
Anti FundPositive Sum
Portfolio companies5729
Funding rounds joined1111
Rounds led11
Rounds, last 12 months98
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%11%
Series A40%0%
Series B0%33%
Growth10%56%

Anti FundPositive Sum

Show as a table
Entry stages of Anti Fund and Positive Sum, share of entries
Anti FundPositive Sum
Pre-seed0%0%
Seed50%11%
Series A40%0%
Series B0%33%
Growth10%56%

Themes

share of checked companies
AI & Machine Learning37%24%
Fintech9%22%
Healthcare & Biotech6%9%
Enterprise Software5%7%
Education4%7%
Space & Defense6%4%

Anti FundPositive Sum

Show as a table
Themes of Anti Fund and Positive Sum, share of checked companies
Anti FundPositive Sum
AI & Machine Learning37%24%
Fintech9%22%
Healthcare & Biotech6%9%
Enterprise Software5%7%
Education4%7%
Space & Defense6%4%

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 Positive Sum 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/positivesum.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