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Investors / 3LB Seed Capital / Compare with Altimeter

3LB Seed Capital vs Altimeter

3LB Seed Capital lists 25 portfolio companies and has joined 0 funding rounds; Altimeter lists 27 companies and has joined 35 rounds. Altimeter comes in most often at Growth (40% of its entries). 1 company is on both portfolios, among them Anthropic.

25Portfolio companies27
0Funding rounds joined35
0Rounds led8
0Rounds, last 12 months22
n/aTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
3LB Seed Capital and Altimeter, head to head
3LB Seed CapitalAltimeter
Portfolio companies2527
Funding rounds joined035
Rounds led08
Rounds, last 12 months022
Typical round it comes in atn/a$100M or more
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%16%
Series A0%16%
Series B0%28%
Growth0%40%

3LB Seed CapitalAltimeter

Show as a table
Entry stages of 3LB Seed Capital and Altimeter, share of entries
3LB Seed CapitalAltimeter
Pre-seed0%0%
Seed0%16%
Series A0%16%
Series B0%28%
Growth0%40%

Themes

share of checked companies
AI & Machine Learning23%54%
Enterprise Software13%18%
Healthcare & Biotech18%2%
Education10%4%
Cybersecurity5%10%
Industrial & Manufacturing5%6%

3LB Seed CapitalAltimeter

Show as a table
Themes of 3LB Seed Capital and Altimeter, share of checked companies
3LB Seed CapitalAltimeter
AI & Machine Learning23%54%
Enterprise Software13%18%
Healthcare & Biotech18%2%
Education10%4%
Cybersecurity5%10%
Industrial & Manufacturing5%6%

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 3LB Seed Capital and Altimeter 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/3lbseed.com/portfolio

# also
GET /v1/firms/altimeter.com/portfolio
GET /v1/firms/3lbseed.com/coinvestors
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