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Investors / 3LB Seed Capital / Compare with B Heroes

3LB Seed Capital vs B Heroes

3LB Seed Capital lists 25 portfolio companies and has joined 0 funding rounds; B Heroes lists 88 companies and has joined 3 rounds. B Heroes comes in most often at Seed (100% of its entries). 2 companies are on both portfolios, among them Ilios Therapeutics and Soource.

25Portfolio companies88
0Funding rounds joined3
0Rounds led0
0Rounds, last 12 months2
n/aTypical round it comes in at$1M to $5M
0%Sites no longer answering0%
Show as a table
3LB Seed Capital and B Heroes, head to head
3LB Seed CapitalB Heroes
Portfolio companies2588
Funding rounds joined03
Rounds led00
Rounds, last 12 months02
Typical round it comes in atn/a$1M to $5M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%100%
Series A0%0%
Series B0%0%
Growth0%0%

3LB Seed CapitalB Heroes

Show as a table
Entry stages of 3LB Seed Capital and B Heroes, share of entries
3LB Seed CapitalB Heroes
Pre-seed0%0%
Seed0%100%
Series A0%0%
Series B0%0%
Growth0%0%

Themes

share of checked companies
AI & Machine Learning23%18%
Healthcare & Biotech18%6%
Enterprise Software13%14%
Real Estate & Construction0%13%
Education10%5%
Fintech5%9%

3LB Seed CapitalB Heroes

Show as a table
Themes of 3LB Seed Capital and B Heroes, share of checked companies
3LB Seed CapitalB Heroes
AI & Machine Learning23%18%
Healthcare & Biotech18%6%
Enterprise Software13%14%
Real Estate & Construction0%13%
Education10%5%
Fintech5%9%

Companies both back

2

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 B Heroes 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/bheroes.it/portfolio
GET /v1/firms/3lbseed.com/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing