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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

$66B

Investment capital
as of June 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.

Explore What We Do

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.

Career Growth

Real People, Real Impact: Centralizing Our Risk Platform

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June 8, 2025 Business Insider

3 Keys to Success Every Citadel Intern Learns Their First Week on the Job

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June 6, 2025 Business Insider

Meet the 0.4% of Students Who Made it Into Citadel’s 2025 Summer Intern Program — the Firm’s Lowest Acceptance Rate Yet

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May 21, 2025 Bloomberg Television

Angel Ubide On Why Europe Needs A Deeper Bond Market

Read More
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