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Investors / Defined / Compare with S3 Ventures

Defined vs S3 Ventures

Defined lists 13 portfolio companies and has joined 7 funding rounds; S3 Ventures lists 23 companies and has joined 24 rounds. Defined comes in most often at Seed (57% 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.

13Portfolio companies23
7Funding rounds joined24
0Rounds led15
5Rounds, last 12 months20
$5M to $20MTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
Defined and S3 Ventures, head to head
DefinedS3 Ventures
Portfolio companies1323
Funding rounds joined724
Rounds led015
Rounds, last 12 months520
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-seed0%0%
Seed57%21%
Series A43%38%
Series B0%17%
Growth0%25%

DefinedS3 Ventures

Show as a table
Entry stages of Defined and S3 Ventures, share of entries
DefinedS3 Ventures
Pre-seed0%0%
Seed57%21%
Series A43%38%
Series B0%17%
Growth0%25%

Themes

share of checked companies
AI & Machine Learning32%15%
Healthcare & Biotech18%24%
Fintech5%24%
Cybersecurity18%3%
E-commerce & Marketplaces9%0%
Enterprise Software5%9%

DefinedS3 Ventures

Show as a table
Themes of Defined and S3 Ventures, share of checked companies
DefinedS3 Ventures
AI & Machine Learning32%15%
Healthcare & Biotech18%24%
Fintech5%24%
Cybersecurity18%3%
E-commerce & Marketplaces9%0%
Enterprise Software5%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 Defined 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/definedvc.com/portfolio

# also
GET /v1/firms/s3vc.com/portfolio
GET /v1/firms/definedvc.com/coinvestors
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