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Investors / PROOF / Compare with Valor Siren Ventures

PROOF vs Valor Siren Ventures

PROOF lists 86 portfolio companies and has joined 0 funding rounds; Valor Siren Ventures lists 198 companies and has joined 69 rounds. Valor Siren Ventures comes in most often at Growth (37% of its entries). 4 companies are on both portfolios, among them Bird, Zipline and Salted.

86Portfolio companies198
0Funding rounds joined69
0Rounds led24
0Rounds, last 12 months42
n/aTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
PROOF and Valor Siren Ventures, head to head
PROOFValor Siren Ventures
Portfolio companies86198
Funding rounds joined069
Rounds led024
Rounds, last 12 months042
Typical round it comes in atn/a$100M or more
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%14%
Series A0%31%
Series B0%18%
Growth0%37%

PROOFValor Siren Ventures

Show as a table
Entry stages of PROOF and Valor Siren Ventures, share of entries
PROOFValor Siren Ventures
Pre-seed0%0%
Seed0%14%
Series A0%31%
Series B0%18%
Growth0%37%

Themes

share of checked companies
AI & Machine Learning15%26%
Fintech16%12%
Healthcare & Biotech11%12%
Enterprise Software9%6%
E-commerce & Marketplaces9%3%
Cybersecurity7%9%

PROOFValor Siren Ventures

Show as a table
Themes of PROOF and Valor Siren Ventures, share of checked companies
PROOFValor Siren Ventures
AI & Machine Learning15%26%
Fintech16%12%
Healthcare & Biotech11%12%
Enterprise Software9%6%
E-commerce & Marketplaces9%3%
Cybersecurity7%9%

Companies both back

4

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 PROOF 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/proof.vc/portfolio

# also
GET /v1/firms/valorep.com/portfolio
GET /v1/firms/proof.vc/coinvestors
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