Andrew Choo

Citadel Securities LLC is a registered market maker headquartered in Chicago, Illinois. The firm was founded by Kenneth Griffin in 2001 and is a subsidiary of GFH HFEVA LLC. Citadel Securities provides execution services to meet the liquidity needs of asset managers, banks, broker-dealers, hedge funds, government agencies, and public pension programs. They offer services across a broad array of fixed income and equity products.

Citadel Securities LLC is a registered market maker headquartered in Chicago, Illinois. The firm was founded by Kenneth Griffin in 2001 and is a subsidiary of GFH HFEVA LLC. Citadel Securities provides execution services to meet the liquidity needs of asset managers, banks, broker-dealers, hedge funds, government agencies, and public pension programs. They offer services across a broad array of fixed income and equity products.

Sanford C. Bernstein & Co. LLC is a registered broker-dealer headquartered in New York City. The firm was founded in 1967 and is a subsidiary of Alliance Capital Management LLC, ultimately held by Equitable Holdings, Inc. (NYSE: EQH). Sanford C. Bernstein & Co. provides trading and executions services to their clients.