Citadel Securities

HQ
Miami, Florida, USA
Total Offices: 7
1,900 Total Employees
Year Founded: 2002
We embrace bold ideas and seize opportunities others don’t, from the way we operate to the strategies we deploy.
Citadel Securities is a technology-driven, next-generation global market maker. We provide institutional and retail investors with world-class liquidity, competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers, traders and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning and AI to power our analytics and tackle the market’s and our clients’ most critical challenges. Together, we are forging the future of capital markets.


Citadel Securities Offices

OnSite Workspace

Employees work from physical offices.

Typical time on-site: None
Company Office
HQMiami, Florida, USA
Company Office
Austin, Texas, USA
Boston, Massachusetts, USA
Company Office
Chicago, Illinois, USA
Los Angeles, California, USA
Company Office
New York, New York, USA
San Francisco, California, USA
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Articles We're In

Photo: Citadel Securities
Olivia McClure Olivia McClure
Published on September 25, 2025

How Citadel Securities' Early Careers Technology Program Unlocks Growth, Impact and Career Paths

Learn how the program at the market maker allows early-career technologists to jumpstart their professional growth journeys and make an immediate impact.

Cathleen Draper Cathleen Draper
Updated on April 08, 2025

Take Note: 21 Chicago Companies to Watch This Fall

From fast-growing startups to established firms with hefty benefits, here’s a rundown of Chicago’s most noteworthy people-first organizations to keep an eye on.

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