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Investors / C4 Ventures / Compare with Deep33

C4 Ventures vs Deep33

C4 Ventures lists 13 portfolio companies and has joined 5 funding rounds; Deep33 lists 16 companies and has joined 2 rounds. C4 Ventures comes in most often at Series B (50% of its entries), Deep33 comes in most often at Seed (50% of its entries). 1 company is on both portfolios, among them Via.

13Portfolio companies16
5Funding rounds joined2
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
C4 Ventures and Deep33, head to head
C4 VenturesDeep33
Portfolio companies1316
Funding rounds joined52
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%
Seed25%50%
Series A25%0%
Series B50%50%
Growth0%0%

C4 VenturesDeep33

Show as a table
Entry stages of C4 Ventures and Deep33, share of entries
C4 VenturesDeep33
Pre-seed0%0%
Seed25%50%
Series A25%0%
Series B50%50%
Growth0%0%

Themes

share of checked companies
AI & Machine Learning32%38%
Robotics & Hardware16%6%
Healthcare & Biotech11%16%
Space & Defense11%0%
Industrial & Manufacturing11%6%
Cybersecurity5%9%

C4 VenturesDeep33

Show as a table
Themes of C4 Ventures and Deep33, share of checked companies
C4 VenturesDeep33
AI & Machine Learning32%38%
Robotics & Hardware16%6%
Healthcare & Biotech11%16%
Space & Defense11%0%
Industrial & Manufacturing11%6%
Cybersecurity5%9%

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 C4 Ventures and Deep33 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/c4v.com/portfolio

# also
GET /v1/firms/deep33.com/portfolio
GET /v1/firms/c4v.com/coinvestors
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