KCG Holdings, Inc., an independent securities firm, provides various services designed to address trading needs across asset classes, product types, and time zones. The company operates through three segments: Market Making, Global Execution Services, and Corporate and Other. The Market Marking segment principally consists of market making in the cash, futures, and options markets across equities, options, fixed income, foreign currencies, and commodities. This segment commits capital on a principal basis by offering to buy securities from, or sell securities to, broker dealers, banks, and institutions. Its principal trading comprise direct-to-client and non-client exchange-based electronic market making, including trade executions conducted as an equities designated market maker on the New York Stock Exchange and NYSE Amex Equities. This segment also participates on various equity and futures exchanges; trades in various domestic electronic options exchanges; and handles specialized orders and transacts on the OTC Bulletin Board and the Alternative Investment Market of the London Stock Exchange. The Global Execution Services segment provides agency execution services and trading venues for trading in equities, futures, options, foreign exchange, and fixed income to institutions and broker dealers. This segment offers agency-based execution-only trading services through various access points, such as algorithmic trading and order routing in various equities; institutional sales traders executing program, block and riskless principal trades in global equities, and exchange traded funds; institutional spot foreign exchange electronic communication network (ECN); fixed income ECN that offers trading applications; and an alternative trading system for global equities. The Corporate and Other segment invests principally in strategic financial services-oriented opportunities. KCG Holdings, Inc. is headquartered in Jersey City, New Jersey.