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Investors / ClearSky / Compare with Vertex Ventures US

ClearSky vs Vertex Ventures US

ClearSky lists 43 portfolio companies and has joined 1 funding round; Vertex Ventures US lists 11 companies and has joined 4 rounds. ClearSky comes in most often at Series A (100% of its entries), Vertex Ventures US comes in most often at Seed (25% of its entries). 1 company is on both portfolios, among them Clean.io.

43Portfolio companies11
1Funding rounds joined4
1Rounds led1
1Rounds, last 12 months2
$20M to $100MTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
ClearSky and Vertex Ventures US, head to head
ClearSkyVertex Ventures US
Portfolio companies4311
Funding rounds joined14
Rounds led11
Rounds, last 12 months12
Typical round it comes in at$20M to $100M$20M to $100M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%25%
Series A100%25%
Series B0%25%
Growth0%25%

ClearSkyVertex Ventures US

Show as a table
Entry stages of ClearSky and Vertex Ventures US, share of entries
ClearSkyVertex Ventures US
Pre-seed0%0%
Seed0%25%
Series A100%25%
Series B0%25%
Growth0%25%

Themes

share of checked companies
AI & Machine Learning29%50%
Cybersecurity20%11%
Industrial & Manufacturing13%6%
Enterprise Software5%11%
Fintech4%11%
E-commerce & Marketplaces11%0%

ClearSkyVertex Ventures US

Show as a table
Themes of ClearSky and Vertex Ventures US, share of checked companies
ClearSkyVertex Ventures US
AI & Machine Learning29%50%
Cybersecurity20%11%
Industrial & Manufacturing13%6%
Enterprise Software5%11%
Fintech4%11%
E-commerce & Marketplaces11%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 ClearSky and Vertex Ventures US 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/clear-sky.com/portfolio

# also
GET /v1/firms/vvus.com/portfolio
GET /v1/firms/clear-sky.com/coinvestors
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