Rebel Fund

A venture capital firm that invests in Y Combinator startups.

Venture Capital Active San Francisco, United States Est. 2019
Last updated 2026-07-20
Portfolio
5
in our dataset
Rounds participated
7
Rounds led
2
Rounds' value
$171.8M
total disclosed, rounds participated
Stages
—

About

Rebel Fund is a venture capital firm based in San Francisco, California, founded in 2019. The firm specializes in investing in the top 10% of startups from Y Combinator, leveraging a proprietary machine-learning algorithm called Rebel Theorem 4.0 to identify high-potential investments. Their investing partners are accomplished Y Combinator alumni who have co-founded companies with an aggregate valuation of over $100 billion. Rebel Fund focuses on seed-stage investments, primarily in the technology sector, and has a track record of investing in hundreds of Y Combinator startups.

Portfolio · 5

Verfi.AI Technologies Ltd.
Your accounting work, done in minutes.
1 round $8.5M committed Latest: 2025-06
Zoma
Zoma helps professional service sales teams scope intelligently, with an AI platform that bridges the gap between the project promise and the reality.
Led ★ 3 rounds $7.4M committed Latest: 2024-01
Atolla Tech LLC.
Atolla Tech develops sensor systems and machine learning for real-time insect detection and identification in agriculture, and drone threat detection for defense and security.
1 round $5.0M committed Latest: 2023-12
Versa
Versa Networks is a leader in Secure Access Service Edge (SASE) platforms.
Led ★ 1 round $882K committed Latest: 2022-09
OpenWeb
A social engagement platform that builds online communities around digital content and helps publishers foster healthy online conversations.
1 round $150.0M committed Latest: 2021-11

Investment activity

1 portfolio exit on record.

Portfolio by sector

Cyber Security1

Q&A

What is Rebel Fund's most recent exit?
Rebel Fund's most recent exit was Slauth.io, which was acquired by Ark Infotech in January 2024.
What is Rebel Fund's primary sector focus based on its portfolio companies?
Rebel Fund has focused on the Cyber Security sector, with Slauth.io as a notable portfolio company in this area.
When did Rebel Fund make its most recent investment?
Rebel Fund made an investment in September 2022, which was its most recent recorded investment round.
What type of funding stage does Rebel Fund typically invest in?
Rebel Fund has participated in Seed stage funding rounds.
Can you name a key portfolio company for Rebel Fund?
A key portfolio company for Rebel Fund is Slauth.io, which specializes in Access Management for Cloud Infrastructure.
What is Rebel Fund's exit ratio?
Rebel Fund has an exit ratio of 0, based on the provided data.
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)

Identifiers & details

Founded2019