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Investors / Addition / Compare with Valor Siren Ventures

Addition vs Valor Siren Ventures

Addition lists 21 portfolio companies and has joined 26 funding rounds; Valor Siren Ventures lists 198 companies and has joined 69 rounds. Addition comes in most often at Growth (50% of its entries), Valor Siren Ventures comes in most often at Growth (37% of its entries). 2 companies are on both portfolios, among them Base and proteantecs.com.

21Portfolio companies198
26Funding rounds joined69
13Rounds led24
13Rounds, last 12 months42
$20M to $100MTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
Addition and Valor Siren Ventures, head to head
AdditionValor Siren Ventures
Portfolio companies21198
Funding rounds joined2669
Rounds led1324
Rounds, last 12 months1342
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%14%
Series A23%31%
Series B27%18%
Growth50%37%

AdditionValor Siren Ventures

Show as a table
Entry stages of Addition and Valor Siren Ventures, share of entries
AdditionValor Siren Ventures
Pre-seed0%0%
Seed0%14%
Series A23%31%
Series B27%18%
Growth50%37%

Themes

share of checked companies
AI & Machine Learning24%26%
Healthcare & Biotech14%12%
Fintech11%12%
Industrial & Manufacturing11%7%
Cybersecurity5%9%
Enterprise Software8%6%

AdditionValor Siren Ventures

Show as a table
Themes of Addition and Valor Siren Ventures, share of checked companies
AdditionValor Siren Ventures
AI & Machine Learning24%26%
Healthcare & Biotech14%12%
Fintech11%12%
Industrial & Manufacturing11%7%
Cybersecurity5%9%
Enterprise Software8%6%

Companies both back

2

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 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/addition.com/portfolio

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