How Many People Work at Citadel? Headcount and Employee Trends

Citadel is a diversified financial institution that combines hedge fund investing with market-making and quantitative research. The firm employs roughly 3,667 people worldwide and recorded 296 new hires versus 160 departures, resulting in a net expansion of its workforce. Employees span investment management, technology, and operational support functions that enable trading across asset classes and regions. The blend of talent reflects Citadel’s focus on data-driven strategies, risk management, and global market participation.

Engineering is the largest group with 1,319 employees—more than one-third of the total workforce—underscoring the firm’s reliance on proprietary technology and quantitative tooling. Finance & Administration follows with 732 professionals who handle portfolio accounting, treasury, and corporate finance activities. Business Management (353) and Banking & Wealth Management (203) provide strategic oversight and client-facing services, while Operations (171) ensures seamless trade settlement and middle-office support. Marketing & Product (168), Sales & Support (164), Human Resources (156), and Information Technology (137) round out the major teams, complemented by 264 employees categorized as Other. The distribution illustrates a balance between investment research, technology development, and the corporate functions that keep the organization running smoothly.

Citadel’s workforce is highly concentrated in major financial hubs. New York hosts the largest contingent with 1,506 employees, followed by Chicago—long considered the firm’s operational center—with 441 staff members. London is the primary European base at 354 employees, and Hong Kong anchors its Asia-Pacific presence with 75. Additional offices in San Francisco, Miami, Houston, Austin, and Boston collectively account for just over 200 employees, while 1,115 team members work from various other locations worldwide. This geographic footprint positions Citadel close to key exchanges, talent pools, and clients across North America, Europe, and Asia-Pacific.