Sophia Lee

Virtu ITG Holdings LLC engages in the provision of financial technology services. It operates through the following segments: Executive Services, Workflow Services, Workflow Technology, and Analytics. The Execution Services segment includes liquidity matching through POSIT, self-directed trading using algorithms, portfolio trading and single stock sales trading desks providing execution expertise, and futures and options trading. The Workflow Technology segment offers trade order and execution management software applications in addition to network connectivity. The Analytics segment covers tools enabling portfolio managers and traders to improve pre-trade, real-time and post-trade execution performance; portfolio construction and optimization decisions; and securities valuation. The company was founded by Chris A. Hynes on July 22, 1983 and is headquartered in New York, NY.

IEX Group, Inc. operates an online trading platform for registered broker dealers. It operates as equity trading venue owned by a consortium of buy-side investors, including mutual funds, hedge funds, and family offices. The firm provides balanced marketplace via simplified market structure design and cutting-edge technology. It also offers a fair-access platform to broker dealer. The IEX ATS is a fully automated electronic order book for orders to buy and sell national market system equity securities with a continuous, automated matching function. The company was founded by Ronan Ryan, Bradley Katsuyama, Robert Park and John Schwall in 2012 and is headquartered in New York, NY.

Paul, Weiss, Rifkind, Wharton & Garrison LLP operates a law firm. Its practices include mergers and acquisitions, securities, public and private financing, investment funds, private equity, real estate, intellectual property, communications and technology, new media and the Internet, entertainment, employee benefits and executive compensation, personal representation, antitrust, environmental regulation, tax and bankruptcy, and corporate reorganization law. The company was founded in April 1875 is headquartered in New York, NY.

Founded in 2001 by Seth Merrin and Eric LeGoff, Liquidnet, Inc. is a broker/dealer located in New York City. The firm is a subsidiary of Liquidnet Holdings, Inc. Liquidnet manages an electronic marketplace for institutional trading that brings buyers and sellers together and allows them to anonymously trade large blocks of stock without intermediaries or information leaks. Liquidnet's clients include buy-side financial institutions from around the world. Liquidnet provides a full array of trading and execution services for their clients. The firm does not provide any internal research.