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Investors / Positive Sum / Compare with Ribbit

Positive Sum vs Ribbit

Positive Sum lists 29 portfolio companies and has joined 11 funding rounds; Ribbit lists 44 companies and has joined 55 rounds. Positive Sum comes in most often at Growth (56% of its entries), Ribbit comes in most often at Growth (47% of its entries). 5 companies are on both portfolios, among them Base, Cognition and Etched.

29Portfolio companies44
11Funding rounds joined55
1Rounds led19
8Rounds, last 12 months29
$100M or moreTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
Positive Sum and Ribbit, head to head
Positive SumRibbit
Portfolio companies2944
Funding rounds joined1155
Rounds led119
Rounds, last 12 months829
Typical round it comes in at$100M or more$100M or more
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed11%9%
Series A0%13%
Series B33%31%
Growth56%47%

Positive SumRibbit

Show as a table
Entry stages of Positive Sum and Ribbit, share of entries
Positive SumRibbit
Pre-seed0%0%
Seed11%9%
Series A0%13%
Series B33%31%
Growth56%47%

Themes

share of checked companies
Fintech22%37%
AI & Machine Learning24%19%
Healthcare & Biotech9%0%
Enterprise Software7%4%
Education7%3%
Industrial & Manufacturing4%5%

Positive SumRibbit

Show as a table
Themes of Positive Sum and Ribbit, share of checked companies
Positive SumRibbit
Fintech22%37%
AI & Machine Learning24%19%
Healthcare & Biotech9%0%
Enterprise Software7%4%
Education7%3%
Industrial & Manufacturing4%5%

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 Positive Sum and Ribbit 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/positivesum.com/portfolio

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