Rebellions

Rebellions

Private
Seoul, SeoulAI, Data & Cloud Infrastructurehttps://rebellions.ai

Last Round

Growth Equity

3/30/2026

Est. Valuation

$2.3B

Total Funding Raised

$856.5M

Momentum Score

25 /100

Company Overview

Rebellions is a South Korean fabless AI semiconductor startup founded in 2020 that designs and develops high-performance, energy-efficient AI accelerators and a full software stack for AI inference. The company's products, including its ATOM and upcoming REBEL chips, are aimed at data centers and cloud providers to run large language models (LLMs) and other AI applications. Rebellions is collaborating with Samsung for the development and manufacturing of its next-generation chips using advanced fabrication processes. The company has raised over $200 million in funding and is backed by major investors including KT, Samsung, and Wa'ed Ventures.

Sector

AI, Data & Cloud Infrastructure

Verticals

Semiconductors, Computing Hardware, Cloud Infrastructure

Business Model

B2B

Customer Profile

Hardware Sales, Hardware + Subscription

AI Layer

Infrastructure

Keywords

AI chipsAI acceleratorAI inferencefabless semiconductorAI semiconductorK-Nvidiaenergy-efficient AIdata center AINPUsovereign AIchiplet designLLM inferencefull-stack AI softwareAI serversfinancial trading AI

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Caplight Momentum Score

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Rebellions Comps

Public and private peers based on sector, stage, and business model.

CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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Rebellions Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
Growth Equity3/30/2026
Series C9/30/2025
Series B Extension7/23/2024
Series B1/30/2024
Series A6/3/2022
Pre Seed
7/21/2021

Key People

Founding team and executive leadership

Hyo-Eun Kim

Co-founder CPO

Founding Team

Sunghyun Park

CEO

Executive Team

Jinwook Oh

Chief Technology Officer

Executive Team

Sungkyue Shin

Chief Financial Officer

Executive Team

Rebellions Investors

Notable investors and investment history

InvestorRounds
InterVestSeries C
SV InvestmentSeries A, Series B
Noh and PartnersSeries B
Shinhan Venture InvestmentSeries B
Kakao VenturesSeries A, Seed
Mirae AssetGrowth Equity
Oasis Capital Group LtdSeries B

Market signals

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  • Apr 10, 2026

    Developing AI inference infrastructure with SK Telecom and Arm.

  • Apr 10, 2026

    Collaborating with SK Telecom and Arm on AI inference infrastructure.

Rebellions Filings

SEC and related filings with document metadata.

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Rebellions Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Rebellions's valuation, stock price, and market status.

Firmographic Details

HeadquartersSeoul, Seoul
Employee Range227
Year Founded2020
Last Funding3/30/2026

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