| Name | Citadel Securities |
|---|---|
| Category | High-Frequency Trading / Prop Trading |
| Tier | Tier 1 — Elite Global |
| Headquarters | Miami, FL |
| Country | US |
| Region | AM |
| AUM | Prop Capital |
| Employees | ~3,000 |
| Year Founded | 2002 |
| Founder | Ken Griffin |
| Trading Speed | High Frequency |
| Flagship Strategy | Proprietary |
| Glassdoor Rating | 4/5.0 |
Citadel Securities is the world's leading market maker, handling approximately 25-30% of all U.S. equities volume. Founded as the trading arm of Citadel, it operates independently with around 1,800 employees generating record-breaking revenue per head. The firm is a dominant force in options, ETF, and fixed income market making, leveraging low-latency technology and quantitative models. Citadel Securities is widely regarded as one of the most profitable financial firms per employee in the world.
https://www.citadelsecurities.com/careers/open-opportunities/