Who we are
Citadel Securities is the next-generation capital markets firm. We deliver critical liquidity to the world’s most important financial institutions, while helping shape the global markets of tomorrow.
What we do
We provide liquidity to ensure institutions and retail investors can trade what they want, when they want, in all market conditions around the world. We constantly look to improve how markets work. Determined to drive change, we envision and execute a range of initiatives that could only happen here.
Our culture
We approach the challenge of the markets as a team. Our people combine their talents in a collaborative culture. Leveraging unmatched resources, they imagine and create next-generation analytics and systems.
Live opportunities
Quantitative Researcher PhD Internship 2025
London | Paris
