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Rebel Fund

North America, California, United States, Calabasas

Description

Rebel Fund is a distinctive venture capital firm based in Calabasas, United States, that has carved out a unique niche by exclusively investing in companies emerging from the Y Combinator (YC) accelerator program. Its operational model is powered by an extensive and elite network of over 1,000 Y Combinator alumni, leveraging their collective experience and connections to support the next generation of founders.

The fund primarily focuses on pre-seed and seed-stage companies, aiming to be a crucial early partner for these high-potential startups. Rebel Fund maintains a consistent investment strategy, typically deploying a standard first check of $150,000 into each YC company it backs. This focused approach allows them to streamline their investment process and provide reliable early capital to founders.

Rebel Fund positions itself as a significant player within the YC ecosystem, claiming to be the largest investor in YC companies outside of Y Combinator itself. Beyond the initial capital, the firm emphasizes providing "smart money" by connecting portfolio companies with its vast alumni network. This includes offering mentorship, strategic guidance, and facilitating introductions to potential follow-on investors, customers, and key industry contacts.

Their model underscores the power of community and shared entrepreneurial experience, creating a supportive environment designed to accelerate the growth and success of their portfolio companies. By concentrating solely on YC alumni, Rebel Fund has built a specialized platform that aims to maximize the chances of success for founders within this highly competitive startup landscape.

Investor Profile

Rebel Fund has backed more than 204 startups, with 54 new investments in the last 12 months alone. The firm has led 6 rounds, about 3% of its total and boasts 6 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Seed, Pre Seed, Series A rounds (top funding stages).
  • Majority of deals are located in United States, India, Canada.
  • Strong thematic focus on Software, Artificial Intelligence (AI), Information Technology.
  • Typical check size: $150K.

Stage Focus

  • Seed (85%)
  • Pre Seed (10%)
  • Series A (4%)

Country Focus

  • United States (62%)
  • India (5%)
  • Canada (4%)
  • Mexico (2%)
  • United Kingdom (2%)
  • Indonesia (2%)
  • Switzerland (2%)
  • Nigeria (2%)
  • Pakistan (2%)
  • Singapore (1%)

Industry Focus

  • Software
  • Artificial Intelligence (Ai)
  • Information Technology
  • Health Care
  • Financial Services
  • Fintech
  • E-commerce
  • B2b
  • Saas
  • Internet
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does Rebel Fund frequently co-invest with?

Gaingels
North America, Vermont, United States, Burlington
Co-Investments: 6
Soma Capital
North America, California, United States, San Francisco
Co-Investments: 23
Hi2 Venture Fund
North America, New York, United States, New York
Co-Investments: 6
Liquid 2 Ventures
North America, California, United States, San Francisco
Co-Investments: 23
Y Combinator
North America, California, United States, Mountain View
Co-Investments: 128
Pioneer Fund
North America, California, United States, San Francisco
Co-Investments: 29
Unpopular Ventures
North America, California, United States, San Francisco
Co-Investments: 11
Global Founders Capital
Europe, Berlin, Germany, Berlin
Co-Investments: 6
TRAC
North America, California, United States, San Francisco
Co-Investments: 12
Goodwater Capital
North America, California, United States, Burlingame
Co-Investments: 11

Which angels does Rebel Fund often collaborate with?

EL
North America, Florida, United States, Miami Beach
Shared Deals: 4
QY
North America, California, United States, San Francisco
Shared Deals: 2
JP
North America, California, United States, San Francisco
Shared Deals: 4
AF
North America, California, United States, San Francisco
Shared Deals: 9
Kunal Shah
Asia, Karnataka, India, Bengaluru
Shared Deals: 2
AR
North America, California, United States
Shared Deals: 3
OJ
Europe, England, United Kingdom, London
Shared Deals: 4
AA
North America, California, United States, San Francisco
Shared Deals: 6
KT
North America, California, United States, San Francisco
Shared Deals: 4
NM
North America, South Carolina, United States, Charleston
Shared Deals: 3

What are some of recent deals done by Rebel Fund?

Gullak.Money

Bengaluru, Karnataka, India

Gullak.Money aims to create an all-inclusive ecosystem of saving which is accessible to all.

FinTech
Series ASep 24, 2025
Amount Raised: $7,500,000
Wayline

San Francisco, California, United States

Wayline is an AI based real estate voice and text assistance for property managers.

Artificial Intelligence (AI)Assistive TechnologyB2BReal Estate
Pre SeedSep 9, 2025
Amount Raised: $500,000
Humoniq

San Francisco, California, United States

Humoniq is an AI-based travel support platform providing customer support services for airlines and travel agencies.

Artificial Intelligence (AI)SaaSSoftwareTravel
SeedSep 9, 2025
Amount Raised: $500,000
Cacao

São Paulo, Sao Paulo, Brazil

Cacao is a fintech platform that allows Brazilians to receive, store, spend, and withdraw USD instantly.

CryptocurrencyFinancial ExchangesFinancial ServicesFinTechForeign Exchange Trading
Pre SeedSep 9, 2025
Amount Raised: $500,000
Modelence

San Francisco, California, United States

Modelence is a Software Development firm offering typeScript cloud services AI apps production.

Developer PlatformDeveloper ToolsInformation TechnologySoftwareWeb Apps
SeedSep 9, 2025
Amount Raised: $500,000
Reacher

San Francisco, California, United States

Reacher is an AI platform that streamlines creator discovery, outreach, campaign management, and analytics for TikTok Shop affiliates.

Artificial Intelligence (AI)Information TechnologySoftware
Pre SeedSep 9, 2025
Amount Raised: $500,000
MangoDesk

San Francisco, California, United States

MangoDesk offers an end-to-end platform that enables AI teams to build and manage data annotation and evaluation workflows.

Artificial Intelligence (AI)SaaSSoftware
Pre SeedSep 9, 2025
Freya Voice

San Francisco, California, United States

Freya provides AI voice agents that manage phone-based customer interactions by integrating with systems and following workflow rules.

Artificial Intelligence (AI)Financial ServicesFinTech
Pre SeedSep 9, 2025
Amount Raised: $500,000
Veritus Agent

San Francisco, California, United States

Veritus Agent is an AI-driven platform built for loan servicing and first-party debt collections.

Artificial Intelligence (AI)FinTechSoftware
Pre SeedSep 9, 2025
Blank Bio

San Francisco, California, United States

Blank Bio develops a computational toolkit for RNA therapeutics that applies foundation models.

Artificial Intelligence (AI)BiotechnologyMarket Research
Pre SeedSep 9, 2025