William O'Brien

The NASDAQ Stock Market, Inc. is the U.S. electronic stock market. With approximately 3,300 companies, it lists more companies and, on average, trades more shares per day than any other U.S. market. It is home to companies that are leaders across all areas of business including technology, retail, communications, financial services, transportation, media and biotechnology. NASDAQ is the primary market for trading NASDAQ-listed stocks

Direct Edge ECN LLC operates an electronic communication network for trading financial products. It matches multiple platforms and unique order types based on transaction cost, fill rate, fill speed and contra-side sophistication. The company is headquartered in Jersey City, NJ.

Part of Nasdaq, Inc., Brut LLC is a company that operates an electric communications network for the trading of Nasdaq and exchange-listed securities. The company is based in New York, NY. Brut was acquired by The NASDAQ Stock Market, Inc. from FIS Capital Markets US LLC (Pennsylvania) on September 07, 2004 for $190 million.

Direct Edge Holdings LLC operates an electronic communication network for trading financial products. It trades all listed U.S. equities with a market share in the, the company regularly trades shares, fluctuating with the overall market volume. It operates two separate platforms, EDGA Exchange and EDGX Exchange. The EDGA Exchange is a low cost exchange with a taker and maker pricing model. The EDGX Exchange is an exchange with maker and taker pricing model offering high rebates for liquidity providers. The company was founded in 1998 and is headquartered in Jersey City, NJ.

Orrick, Herrington & Sutcliffe LLP engages in the provision of legal services. Its practices include: antitrust and competition; banking and finance; capital markets; copyright, trademark and false advertising; cyber, privacy and data innovation; employment law and litigation; energy; financial services litigation; global compliance and regulatory, infrastructure; intellectual property; patents; public finance; real estate; securities litigation; supreme court and appellate; tax advocacy; technology transactions; trials; and white collar, investigations, securities litigation and compliance. The company was founded by John R. Garboe in 1863 and is headquartered in San Francisco, CA.

Goldman Sachs, Inc. provides investment and financial services. The company is headquartered in New York, NY.

BATS Global Markets, Inc. operates as a global stock exchange operator. It offers trading between United States equities, options, European equities, and foreign exchange. The company was founded by Joseph P. Ratterman in June 2005 and is headquartered in Lenexa, KS.

Direct Match Holdings, Inc. operates as an electronic marketplace for the United States Treasuries. It offers trading in a central limit order book for US treasury notes and bonds. The company was founded by Galen Simmons, Jim Greco, and Kristi Stevenson Neller in 2014 and is headquartered in New York, NY.