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Investors / Addition / Compare with Positive Sum

Addition vs Positive Sum

Addition lists 21 portfolio companies and has joined 26 funding rounds; Positive Sum lists 29 companies and has joined 11 rounds. Addition comes in most often at Growth (50% of its entries), Positive Sum comes in most often at Growth (56% of its entries). 1 company is on both portfolios, among them Base.

21Portfolio companies29
26Funding rounds joined11
13Rounds led1
13Rounds, last 12 months8
$20M to $100MTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
Addition and Positive Sum, head to head
AdditionPositive Sum
Portfolio companies2129
Funding rounds joined2611
Rounds led131
Rounds, last 12 months138
Typical round it comes in at$20M to $100M$100M or more
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%11%
Series A23%0%
Series B27%33%
Growth50%56%

AdditionPositive Sum

Show as a table
Entry stages of Addition and Positive Sum, share of entries
AdditionPositive Sum
Pre-seed0%0%
Seed0%11%
Series A23%0%
Series B27%33%
Growth50%56%

Themes

share of checked companies
AI & Machine Learning24%24%
Fintech11%22%
Healthcare & Biotech14%9%
Industrial & Manufacturing11%4%
Enterprise Software8%7%
Education3%7%

AdditionPositive Sum

Show as a table
Themes of Addition and Positive Sum, share of checked companies
AdditionPositive Sum
AI & Machine Learning24%24%
Fintech11%22%
Healthcare & Biotech14%9%
Industrial & Manufacturing11%4%
Enterprise Software8%7%
Education3%7%

Companies both back

1

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 Addition 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/addition.com/portfolio

# also
GET /v1/firms/positivesum.com/portfolio
GET /v1/firms/addition.com/coinvestors
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