Citadel Securities is a financial services firm that provides liquidity to financial institutions and markets. The company combines trading expertise with analytics and technology to deliver critical liquidity to financial markets.

Citadel Securities

Citadel Securities is the next-generation capital markets firm. Our work is powered by the deepest integration of financial, mathematical and engineering expertise. Combining deep trading acumen with cutting-edge analytics and technology, we at Citadel Securities deliver critical liquidity to the world’s most important financial institutions—while helping shape the global markets of tomorrow.

Paradigm

Sequoia Capital

We're honored to be the Designated Market Maker for these incredible companies. (Photo credit: New York Stock Exchange)

We are excited to celebrate the return of giant pandas to the United States and the grand opening of San Diego Zoo’s Panda Ridge! With leadership gifts from Founder Ken Griffin and CEO Peng Zhao, millions of visitors annually will have the opportunity to see Yun Chuan and Xin Bao in their reimaged habitat.

We are honored to have been chosen as Lead Market Maker for these ETFs during the first half of 2024.

“The tool I built is important to the business because it helps us understand our risk in various scenarios,” explains former quantitative trading intern and current team member Haydn. Learn more about the challenging, real-world projects Haydn completed during his internship: bit.ly/3WWUWjQ

As part of our commitment to supporting emerging mathematical talent, we have partnered with the International Mathematical Olympiad (IMO) to remove barriers to success for students from under-resourced countries. Learn more about what we’re doing – and the impact IMO participation can have – here. https://bit.ly/4c4MR0x

“Be a lifetime learner, surround yourself with brilliant people and work on problems you are passionate about.” Hear Citadel Securities Founder Ken Griffin speak to our summer interns about how to build an extraordinary career. Watch the full interview: https://bit.ly/3WrmWKP

This summer, we welcomed our new class of high-achieving scholars to our Summer Externship program. Our Summer Externship is part of our long-term commitment to providing learning and career development opportunities for students interested in finance.

Happy (Inter)National Intern Day! Today we celebrate all the interns who joined us and became an integral part of our team, and future, this summer.

For the next three years, we’ve committed to expanding access to Thrive Scholars for high-achieving, low-income students across the country. Our efforts will support two residential Thrive Academies each year and 120 exceptional Citadel Thrive Scholars annually. Thrive Academy is Thrive’s signature program, bringing together hundreds of high-achieving students from under-resourced backgrounds for six weeks of intensive, collegiate-level coursework in math and writing in preparation for their arrival at top colleges and universities. Learn more: https://prn.to/3SfwU0F

“I got to work on more real-world problems here than I did at other places,” explains former engineering intern and current team member Sooraj. ­Learn more from Sooraj about his experience and the opportunity to have a significant impact during our world-class internship: https://bit.ly/4cKE0SR

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