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Investors / 13books Capital / Compare with byFounders

13books Capital vs byFounders

13books Capital lists 28 portfolio companies and has joined 10 funding rounds; byFounders lists 58 companies and has joined 25 rounds. 13books Capital comes in most often at Series A (67% of its entries), byFounders comes in most often at Seed (55% of its entries). 1 company is on both portfolios, among them Januar.

28Portfolio companies58
10Funding rounds joined25
6Rounds led12
8Rounds, last 12 months14
$5M to $20MTypical round it comes in at$1M to $5M
0%Sites no longer answering0%
Show as a table
13books Capital and byFounders, head to head
13books CapitalbyFounders
Portfolio companies2858
Funding rounds joined1025
Rounds led612
Rounds, last 12 months814
Typical round it comes in at$5M to $20M$1M to $5M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed11%20%
Seed22%55%
Series A67%20%
Series B0%5%
Growth0%0%

13books CapitalbyFounders

Show as a table
Entry stages of 13books Capital and byFounders, share of entries
13books CapitalbyFounders
Pre-seed11%20%
Seed22%55%
Series A67%20%
Series B0%5%
Growth0%0%

Themes

share of checked companies
Fintech46%9%
AI & Machine Learning12%20%
Space & Defense10%5%
Healthcare & Biotech6%9%
E-commerce & Marketplaces4%8%
Crypto & Web38%0%

13books CapitalbyFounders

Show as a table
Themes of 13books Capital and byFounders, share of checked companies
13books CapitalbyFounders
Fintech46%9%
AI & Machine Learning12%20%
Space & Defense10%5%
Healthcare & Biotech6%9%
E-commerce & Marketplaces4%8%
Crypto & Web38%0%

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 13books Capital and byFounders 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/13bookscapital.com/portfolio

# also
GET /v1/firms/byfounders.vc/portfolio
GET /v1/firms/13bookscapital.com/coinvestors
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