Citadel Securities

Citadel Securities is a sponsor for the Carnegie Mellon Informatics and Mathematics Competition (CMIMC).

History
Citadel Securities was formed in 2002. In 2014 it expanded its market-making offering to interest-rate swaps. Its retail trading platform is used by Jamil Nazarali. Jamil Nazarali was named by Institution Investor to the 2014 trading Technology 40. In July 2016, Citadel hired B. Kevin Turner to be the CEO if Citadel Securities, but was replaced in January 2017 with Peny Zhao because Turner left Citadel.

Success
Citadel Securities is a leading market maker, ranking #1 in S&P 500 and non-S&P shares, mainly in providing price improvement for investors, liability, and trade execution to institution and retail clients. It also makes markets in more than 7,000 U.S. listed securities and in 18,000 OTC Securities Worldwide. It is the largest market maker in options to the U.S., executing 25 percent U.S.-listed equity options. It also executes about 13 percent of U.S. consolidated volume in equities and 28 percent of U.S. retail equities volume. In addition, about one-third of stock orders from individual investors is completed by using Citadel.