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Investors / Valor Siren Ventures / Compare with Venrock

Valor Siren Ventures vs Venrock

Valor Siren Ventures lists 198 portfolio companies and has joined 69 funding rounds; Venrock lists 10 companies and has joined 11 rounds. Valor Siren Ventures comes in most often at Growth (37% of its entries), Venrock comes in most often at Growth (78% of its entries). 1 company is on both portfolios, among them Alto Neuroscience.

198Portfolio companies10
69Funding rounds joined11
24Rounds led4
42Rounds, last 12 months9
$100M or moreTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
Valor Siren Ventures and Venrock, head to head
Valor Siren VenturesVenrock
Portfolio companies19810
Funding rounds joined6911
Rounds led244
Rounds, last 12 months429
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%
Seed14%0%
Series A31%11%
Series B18%11%
Growth37%78%

Valor Siren VenturesVenrock

Show as a table
Entry stages of Valor Siren Ventures and Venrock, share of entries
Valor Siren VenturesVenrock
Pre-seed0%0%
Seed14%0%
Series A31%11%
Series B18%11%
Growth37%78%

Themes

share of checked companies
Healthcare & Biotech12%100%
AI & Machine Learning26%0%
Fintech12%0%
Cybersecurity9%0%
Industrial & Manufacturing7%0%
Enterprise Software6%0%

Valor Siren VenturesVenrock

Show as a table
Themes of Valor Siren Ventures and Venrock, share of checked companies
Valor Siren VenturesVenrock
Healthcare & Biotech12%100%
AI & Machine Learning26%0%
Fintech12%0%
Cybersecurity9%0%
Industrial & Manufacturing7%0%
Enterprise Software6%0%

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 Valor Siren Ventures and Venrock 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/valorep.com/portfolio

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