About
Citadel Securities is the dominant US market maker, posting $9.7B net trading revenue in 2024 (+55% YoY) and $4.2B net income (doubled YoY). 23% market share in cash equities, 40% in retail order flow. Processes ~1/3 of all US retail stock trades. $5.2B EBITDA, $16B net trading capital. Revenue exceeds Deutsche Bank and Barclays trading desks. Led by CEO Peng Zhao under Ken Griffin's Citadel umbrella.
Key Facts
- [1]Founded: Founded in 2002 in Chicago, United States.
- [2]Employees: Employee count: 1,001-5,000.
- [3]Website: Official website: citadelsecurities.com.
- [4]AI Technology: Core AI/ML technologies: LLM / NLP.
- [5]Region: Region: Americas (United States).
Founder
Ken Griffin
Founder & CEO
AI Technology
LLM / NLP
Large language models for NLP, chat, document understanding, and text generation
Classification
Market Segments
Tech Stack Layers
Details
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Frequently Asked Questions
What is Citadel Securities?
Citadel Securities is the dominant US market maker, posting $9.7B net trading revenue in 2024 (+55% YoY) and $4.2B net income (doubled YoY). 23% market share in cash equities, 40% in retail order flow. Processes ~1/3 of all US retail stock trades. $5.2B EBITDA, $16B net trading capital. Revenue exceeds Deutsche Bank and Barclays trading desks. Led by CEO Peng Zhao under Ken Griffin's Citadel umbrella. Citadel Securities is classified in the Trading & Markets segment at the Automation layer of the financial AI stack.
Who founded Citadel Securities?
Citadel Securities was founded by Ken Griffin (Founder & CEO) in 2002 in Chicago, United States. The company has been operating for 24 years.
What AI technology does Citadel Securities use?
Citadel Securities primarily leverages LLM / NLP technology. Large language models for NLP, chat, document understanding, and text generation. Within the Trading & Markets segment, 17 companies use this technology.
What market segment does Citadel Securities operate in?
Citadel Securities operates in the Trading & Markets market segment. AI-powered trading and markets companies are transforming how financial instruments are bought, sold, and priced across global exchanges. These companies apply machine learning to algorithmic trading, market making, order execution, and quantitative strategy development.
Where is Citadel Securities headquartered?
Citadel Securities is headquartered in Chicago, United States. The company operates in the Americas region. The team consists of 1,001-5,000 employees. United States is home to 324 financial AI companies tracked by AIFI Map.
Who are Citadel Securities's competitors?
Companies similar to Citadel Securities in the Trading & Markets space include Greenlite ($20M raised), QuantConnect ($2M raised), Composer ($17M raised), Trade Ideas, Trumid ($722M raised). These companies operate in related areas of financial AI: Greenlite focuses on ai agents that accelerate aml reviews. QuantConnect focuses on open-source algorithmic trading platform. Composer focuses on ai trading strategy builder without code. (Based on AIFI Map classification data.)
What products does Citadel Securities offer?
Citadel Securities builds automation-layer solutions for the financial services industry. The company's core offering: AI-powered market making. The platform is powered by LLM / NLP technology.