Citadel

HQ
Miami, Florida, USA
Total Offices: 19
4,000 Total Employees
Year Founded: 1990
Our ambition at Citadel is to be the most successful investment firm of all time.

Together, we've turn ambition into action. For more than three decades, Citadel has captured undiscovered market opportunities in markets around the world by empowering extraordinary people to pursue their best and boldest ideas. We strive to identify the highest and best uses of capital to generate superior long-term returns for the world’s preeminent public and private institutions.

Citadel Offices

OnSite Workspace

Employees work from physical offices.

Typical time on-site: None
Company Office
HQMiami, Florida, USA
Company Office
Singapore
Company Office
Boston, Massachusetts, USA
Company Office
Calgary, Alberta, CAN
Company Office
Chicago, Illinois, USA
Company Office
Dallas, Texas, USA
Company Office
Dublin, Dublin, IRL
Company Office
Greenwich, Connecticut, USA
Company Office
Gurugram, Haryana, IND
Company Office
Houston, Texas, USA
Company Office
London, England
Company Office
New York, New York, USA
Company Office
Paris, Île-de-France, FRA
Company Office
San Francisco, California, USA
Company Office
Santa Monica, California, USA
Company Office
Sydney, New South Wales, AUS
Company Office
Tampa, Florida, USA
Company Office
Tokyo, Tokyo, JPN
Company Office
Toronto, Ontario, CAN
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What the Team is Saying

The firm makes a huge investment in data. That gives us the opportunity to leverage a variety of world-class datasets and combine them to draw conclusions we never could have reached in any other way.
Clare, Quantitative Researcher
Clare, Quantitative Researcher
Your contributions are very visible. The timeline between some pieces of work that you do and some outcomes is very short, so the feedback loop is very tight.
Glen, Engineer
Glen, Engineer
It's a place where the research is just so fresh and so new that you have to be on the top of your game.
Nishanth, Quantitative Researcher
Nishanth, Quantitative Researcher
The process of collaboration at Citadel is marked by frequent iteration; rather than building to a spec, we work in cooperation with other teams to make sure that we quickly discover and resolve roadblocks.
Tyler
Tyler, Software Engineer
Tyler, Software Engineer
We provide the necessary analytics, tools, and data that enable risk takers to identify imbalances in global markets. We give the engineering and mathematical expertise needed to craft custom solutions to extremely complex analysis projects.
Sam, Engineer
Sam, Engineer

Articles We're In

Photo: Citadel
Olivia McClure Olivia McClure
Published on October 23, 2025

Citadel Learning & Development: The Company's Onboarding Program Sets New Engineers Up For Success From the Start

New engineers at the firm can expect to dive headfirst into the financial markets through simulated trading competitions, in-depth technical training and more.

Brigid Hogan Brigid Hogan
Updated on October 24, 2025

Citadel Career Growth: The Company's NXT Engineering Network Accelerates Careers and Drives Impact

Discover how engineers thrive in Citadel’s dynamic, multidisciplinary environment.

Photo: Citadel
Brand Studio Logo
Gordon Gottsegen Gordon Gottsegen
Updated on November 08, 2024

Machine Learning for Smarter Trading: 17 Companies You Should Know

Machine learning is transforming financial trading. We've rounded up 14 companies using it to make better trades and more money.

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Awards

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