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Investors / Rebel Fund / Compare with Y Combinator

Rebel Fund vs Y Combinator

Rebel Fund lists 68 portfolio companies and has joined 14 funding rounds; Y Combinator lists 5,153 companies and has joined 3,388 rounds. Rebel Fund comes in most often at Seed (71% of its entries), Y Combinator comes in most often at Seed (98% of its entries). 30 companies are on both portfolios, among them AccessOwl, Advanced Metal Research and Aegis.

68Portfolio companies5,153
14Funding rounds joined3,388
0Rounds led2,960
11Rounds, last 12 months579
$5M to $20MTypical round it comes in atunder $1M
0%Sites no longer answering0%
Show as a table
Rebel Fund and Y Combinator, head to head
Rebel FundY Combinator
Portfolio companies685,153
Funding rounds joined143,388
Rounds led02,960
Rounds, last 12 months11579
Typical round it comes in at$5M to $20Munder $1M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed7%0%
Seed71%98%
Series A21%1%
Series B0%0%
Growth0%1%

Rebel FundY Combinator

Show as a table
Entry stages of Rebel Fund and Y Combinator, share of entries
Rebel FundY Combinator
Pre-seed7%0%
Seed71%98%
Series A21%1%
Series B0%0%
Growth0%1%

Themes

share of checked companies
AI & Machine Learning33%26%
Fintech17%13%
Healthcare & Biotech12%11%
Enterprise Software7%10%
Cybersecurity6%5%
Space & Defense6%5%

Rebel FundY Combinator

Show as a table
Themes of Rebel Fund and Y Combinator, share of checked companies
Rebel FundY Combinator
AI & Machine Learning33%26%
Fintech17%13%
Healthcare & Biotech12%11%
Enterprise Software7%10%
Cybersecurity6%5%
Space & Defense6%5%

Companies both back

30

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 Rebel Fund and Y Combinator 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/rebelfund.vc/portfolio

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