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        • Citadel Associate Program
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        • Discover Citadel
        • Fixed Income and Macro Central Bank Challenge
        • Terminal
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      • PhDs and Postdocs
        • GQS PhD Colloquium
        • GQS PhD Fellowship
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Together, We
Turn Ambition
Into Action

For more than three decades, we’ve captured undiscovered market opportunities by empowering extraordinary people to pursue their best and boldest ideas.

Who we are

Our ambition is to be the most successful investment firm of all time. 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.

Explore Who We Are

1990

Date founded by
CEO Ken Griffin

$65B

Investment capital
as of April 1, 2025

Investment capital is combined across funds and includes equity (or members’ capital), plus any accrued performance allocation (or manager allocation) and the granted portion of certain deferred payment obligations (where applicable).

#1

Most profitable hedge fund manager of all time

Source: LCH Investments NV estimates, Great Money Managers by Net Gains since inception to 12/31/2024.

Innovation at the Forefront of Finance

Our people are relentless in seeking a better way. Each day, we reimagine and refine our strategies, models and technology in pursuit of superior results and long-term performance.

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The What If Machine

1:14

A Team Where
Every Mind Counts

From seasoned leaders to new recruits, every member of our team helps develop and execute on powerful insights. We bring together brilliant minds to do what others consider impossible.

40%+

Team members who hold an advanced degree

As of April 2025

265+

PhDs across ~60 fields of study, from aeronautics and atmospheric science to computer engineering and statistics

~100

Nationalities represented

Work with
Exceptional Talent

Here, you’ll be energized by the people around you. Investment professionals, engineers and quantitative researchers come together to learn from each other and quickly build extraordinary careers.

Explore Career Possibilities

Featured News

& Perspectives

Explore articles and other coverage about our firm, including perspectives on joining and working at Citadel.

Civic Leadership

Community Impact: Mentorship with Manish

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Internship

Q&A: The Internship Experience | Citadel Associate Program

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March 14, 2025 Barron's

Citadel Chief Risk Officer Joanna Welsh Named to Barron’s 2025 Top Women in Finance List

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