Rebel Fund is a data-driven, seed-stage venture capital firm that exclusively invests in the top 10% of startups from Y Combinator. The firm uses a proprietary machine-learning algorithm called Rebel Theorem 4.0 to validate and screen investments, making it one of the largest investors in the YC startup ecosystem.
Deal activity increased 38% year-over-year (11 deals in the last 12 months). Their most common stage is seed (70% of deals). Average disclosed round size is $8.5M (across 107 rounds with reported amounts).
Portfolio
103
Fund Size
—
Top Stage
Seed
Last 12 Mo
11
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
116 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 VideoGen | Seed | $3.3M | Sep 2026 |
 Didit | Seed | $6M | May 2026 |
 Didit | Seed | $7.5M | May 2026 |
 Novig | Series B | $75M | Feb 2026 |
 Sphinx | Seed | $7.1M | Feb 2026 |
 Veritus | Seed | $10.1M | Feb 2026 |
 Modelence | Seed | $3M | Jan 2026 |
 Corgi | Series D | $108M | Jan 2026 |
 Sync.so | Seed | $5.5M | Jan 2026 |
 Corgi Insurance | Series B | $106M | Jan 2026 |
 LeadBay | Seed | $4.3M | Jan 2026 |
 Dili | Series A | $15M | Jan 2026 |
 Freya Voice AI | Seed | $3.5M | Nov 2025 |
 Cactus | Seed | $7M | Nov 2025 |
 Cactus Compute, Inc | Seed | $7M | Nov 2025 |
| Sphinx | Seed | $9.5M | Sep 2025 |
 Chowdeck | Series A | $9M | Aug 2025 |
 Orbital Operations | Seed | $8.8M | Aug 2025 |
 Caseflood.ai | Unknown | $3.2M | Jul 2025 |
 Apolink | Seed | $4.3M | Jul 2025 |
 Outset | Series A | $17M | Jun 2025 |
 Keep | Series A | $12M | May 2025 |
| CCapi | Series A | — | Feb 2025 |
 TaxGPT | Unknown | $4.6M | Jan 2025 |
 Gullak | Series A | $7.5M | Jan 2025 |
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Top Co-Investors
Y Combinator101 shared
Pioneer Fund23 shared
Soma Capital12 shared
General Catalyst8 shared
Goodwater Capital7 shared
Alumni Ventures7 shared
Gaingels6 shared
Transpose Platform6 shared
True Culture Fund5 shared
Bessemer Venture Partners5 shared
Global Founders Capital5 shared
8VC5 shared
Ritual Capital5 shared
468 Capital5 shared
Deel Ventures5 shared
Liquid 2 Ventures4 shared
Innospark Ventures4 shared
Nexus Venture Partners4 shared
Singularity Capital4 shared
1984 Ventures4 shared
Last updated: 7 October 2026