Tyler G. Sorba

Part of Nasdaq, Inc., Nasdaq GEMX LLC operates as a securities exchange. The company is based in New York, NY. Thomas A. Wittman has been the CEO of the company since 2016.

NASDAQ OMX BX, Inc. provides securities exchange services. It offers electronic and floor-based trading solutions to financial firms, dealers, investment institutions and listed public companies. The firm’s products include automated price improvement; Boston Exchange automated communication and order-routing network, BEACON REMOTE and execution quality report. The company was founded in 1834 and is headquartered in Boston, MA.

Part of Nasdaq, Inc., Nasdaq PHLX LLC is a financial services company based in New York, NY. The company offers a range of trading products, including equities, fixed income, options, and exchange-traded funds. It also provides market data, technical documentation, and regulatory information. Tal Cohen has been the CEO of the company since 2021.

Nasdaq ISE LLC operates equity and trading options exchange. It transformed the options industry by creating efficient markets through innovative market structure and technology. It provides investors with a transparent marketplace for price and liquidity discovery on centrally cleared options products. The company was founded by David Krell in May 2000 and is headquartered in New York, NY.

The NASDAQ Stock Market LLC provides securities listing, trading and information products and services. The company is headquartered in Rockville, MD.