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Investors / eCAPITAL / Compare with S3 Ventures

eCAPITAL vs S3 Ventures

eCAPITAL lists 34 portfolio companies and has joined 13 funding rounds; S3 Ventures lists 23 companies and has joined 24 rounds. eCAPITAL comes in most often at Series A (55% of its entries), S3 Ventures comes in most often at Series A (38% of its entries). 1 company is on both portfolios, among them Mythic.

34Portfolio companies23
13Funding rounds joined24
3Rounds led15
9Rounds, last 12 months20
$5M to $20MTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
eCAPITAL and S3 Ventures, head to head
eCAPITALS3 Ventures
Portfolio companies3423
Funding rounds joined1324
Rounds led315
Rounds, last 12 months920
Typical round it comes in at$5M to $20M$20M to $100M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed9%0%
Seed18%21%
Series A55%38%
Series B9%17%
Growth9%25%

eCAPITALS3 Ventures

Show as a table
Entry stages of eCAPITAL and S3 Ventures, share of entries
eCAPITALS3 Ventures
Pre-seed9%0%
Seed18%21%
Series A55%38%
Series B9%17%
Growth9%25%

Themes

share of checked companies
Fintech7%24%
Healthcare & Biotech5%24%
Cybersecurity21%3%
AI & Machine Learning19%15%
Industrial & Manufacturing16%0%
Education14%3%

eCAPITALS3 Ventures

Show as a table
Themes of eCAPITAL and S3 Ventures, share of checked companies
eCAPITALS3 Ventures
Fintech7%24%
Healthcare & Biotech5%24%
Cybersecurity21%3%
AI & Machine Learning19%15%
Industrial & Manufacturing16%0%
Education14%3%

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 eCAPITAL and S3 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/ecapital.vc/portfolio

# also
GET /v1/firms/s3vc.com/portfolio
GET /v1/firms/ecapital.vc/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing