Citadel Securities is a private company headquartered in Illinois with an estimated 1,600 employees. In the US, the company has a notable market share in at least one industry: High Frequency Trading, where they account for an estimated 41.5% of total industry revenue.
Registered Name: Citadel Securities Llc
Headquarters: 200 South Biscayne Blvd 33rd Floor, Miami, FL 33131
Website: https://www.citadelsecurities.com/