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Together, We Turn Ambition Into Action

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.

Together, We Turn Ambition Into Action

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.

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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 AreExplore Who We AreExplore Who We Are

1990

Year founded by
CEO Ken Griffin

^$77B

Investment capital
as of October 1, 2026

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, The Top 20 Great Money Managers by Net Gains since inception (after fees) to 31 December 2025. Awarded January 18, 2026.

1990

Year founded by
CEO Ken Griffin

^$77B

Investment capital
as of October 1, 2026

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, The Top 20 Great Money Managers by Net Gains since inception (after fees) to 31 December 2025. Awarded January 18, 2026.

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

The What If Machine

1:15

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 DoExplore What We DoExplore What We Do

The What If Machine

The What If Machine

1:15

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 October 2026

~280

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

100+

Countries represented

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 October 2026

~280

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

100+

Countries 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 PossibilitiesExplore Career PossibilitiesExplore Career Possibilities

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 PossibilitiesExplore Career PossibilitiesExplore Career Possibilities

CitadelLondonOfficeShootMarch2025Floor15-EP1A2160

CitadelLondonOfficeShootMarch2025Floor15-EP1A2160

Featured News
& Perspectives

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

October 1, 2026The Hedge Fund Journal

50 Leading Women in Hedge Funds 2026

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Inside EQR: What It Means to Work in Alpha Research

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Our InternshipOur InternshipOur Internship

A Day with Rishi: Inside a Quantitative Development Internship at Citadel

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July 30, 2026Business Insider

5 Citadel Campus Recruits on Breaking in and Getting Ahead

Read More

Featured News
& Perspectives

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

October 1, 2026The Hedge Fund Journal

50 Leading Women in Hedge Funds 2026

Read More

Quantitative ResearchQuantitative ResearchQuantitative Research

Inside EQR: What It Means to Work in Alpha Research

Read More

Our InternshipOur InternshipOur Internship

A Day with Rishi: Inside a Quantitative Development Internship at Citadel

Read More

July 30, 2026Business Insider

5 Citadel Campus Recruits on Breaking in and Getting Ahead

Read More