KCG Holdings
Defunct American financial services company formed through the merger of Knight Capital Group and GETCO, with businesses in electronic market making, high-frequency trading, execution services, and institutional trading.
Last updated August 25, 2026
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Overview
KCG Holdings, Inc. was an American financial services company created on July 1, 2013, when Knight Capital Group merged with GETCO Holding Company. The combined group brought together two significant electronic-trading businesses. Knight had developed from a retail-oriented market-making and brokerage-services operation into a broader provider of electronic execution, institutional sales and trading, and liquidity services. GETCO, founded in Chicago in 1999 by former floor traders Stephen Schuler and Daniel Tierney, was known primarily for automated market making and high-frequency trading. Its client-services arm also offered execution algorithms and a dark-pool venue. The merger was intended to combine Knight's distribution relationships and institutional trading capabilities with GETCO's proprietary technology and automated liquidity provision. At the time of completion, the combined company had roughly 1,800 employees, based on the reported workforces of the two predecessor businesses. General Atlantic, which had held a substantial investment in GETCO, made an additional equity investment in connection with the transaction, and General Atlantic managing director Rene Kern joined KCG's board. Daniel Coleman, formerly associated with Knight, became chief executive officer. The new corporate identity was publicly introduced in July 2013, when Coleman participated in the New York Stock Exchange opening-bell ceremony. KCG's principal activities included market making in equities and other securities, high-frequency and algorithmic trading, electronic execution for institutional clients, dark-pool services, and institutional sales and trading. The company operated in a market increasingly shaped by automation, fragmented exchanges, low-latency connectivity, and demand from brokers and institutions for reliable liquidity and execution. Its business model depended on trading technology, risk controls, access to multiple venues, and relationships with retail brokerages and institutional customers. The company inherited substantial operational and reputational challenges from Knight. In August 2012, before the merger, a software deployment and control failure at Knight caused a rapid sequence of erroneous trades and a reported loss of approximately $460 million in a single trading day. The incident, widely referred to as the “Knightmare,” threatened Knight's viability and was a central factor in the subsequent transaction with GETCO. The episode became an important example of the operational and governance risks associated with automated market making. After the merger, KCG continued to adjust its portfolio. In 2014 it acquired 27 million shares of Platinum Studios. In January 2015, it agreed to sell its KCG Hotspot foreign-exchange trading platform to BATS Global Markets for $365 million, narrowing its direct exposure to that part of the electronic-trading market while monetizing a specialized asset. KCG remained a public company under the ticker KCG until Virtu Financial agreed in April 2017 to acquire it for $20 per share in cash, in a transaction valued at approximately $1.4 billion. The deal closed on July 20, 2017, ending KCG's independent existence as a listed company and incorporating its businesses into Virtu Financial.
History
KCG's history began with the two businesses that were combined to create it. Knight Capital Group originated in 1995 as Knight/Trimark Group. It built a major business making markets in United States equities for retail brokerages and later expanded into electronic execution, dark-pool services, and institutional sales and trading. Its role was to provide liquidity and execution infrastructure between brokerage customers, exchanges, and other market participants. GETCO was founded in Chicago in 1999 by Stephen Schuler and Daniel Tierney, both former floor traders. The firm focused on electronic market making and high-frequency trading, using automated systems to quote prices and manage positions across trading venues. Through GETCO Execution Services, it also supplied execution algorithms and dark-pool services to clients. By the time of the merger, GETCO had approximately 400 employees, while Knight had approximately 1,400. Knight suffered a severe operational incident in August 2012. A technology and management-control failure caused its systems to send a large volume of erroneous orders. The resulting disruption produced a reported loss of approximately $460 million in a single trading day, nearly forcing the company out of business. The episode became known as the “Knightmare” and highlighted the importance of software deployment controls, automated risk limits, testing, and governance in modern electronic markets. In December 2012, Knight agreed to be acquired by GETCO. Stockholders and unitholders approved the transaction on June 25, 2013. The merger was completed on July 1, 2013, creating KCG Holdings, Inc. General Atlantic, which had held a 25 percent stake in GETCO, made an additional equity investment as part of the combination. Rene Kern, a General Atlantic managing director, joined the board. The new identity was publicly presented in July, when chief executive Daniel Coleman rang the opening bell at the New York Stock Exchange. The combined company operated across market making, high-frequency trading, electronic execution, institutional sales and trading, and dark-pool services. Its strategy was based on combining Knight's customer and brokerage relationships with GETCO's technology-driven liquidity provision. The company also pursued portfolio transactions. In 2014, it acquired 27 million shares of Platinum Studios. In January 2015, KCG agreed to sell the KCG Hotspot foreign-exchange trading platform to BATS Global Markets for $365 million. KCG's independent existence ended after Virtu Financial announced in April 2017 that it would acquire the company for $20 per share in cash. The announced transaction value was approximately $1.4 billion. Closing took place on July 20, 2017, and KCG ceased to operate as an independent listed company. Its history therefore spans a relatively short period as a corporate brand, but it represented the consolidation of two important electronic-trading franchises and preserved their activities within Virtu's broader financial-markets business.
- 2017
Virtu announces acquisition of KCG
[1]Virtu Financial agreed to buy KCG for $20 per share in cash in a transaction valued at approximately $1.4 billion.
- 2017
KCG acquisition closes
[1]Virtu Financial completed its acquisition of KCG on July 20, ending KCG's independent corporate and listed-company status.
- 2015
KCG Hotspot is sold to BATS
[1]KCG agreed to sell its foreign-exchange trading platform, KCG Hotspot, to BATS Global Markets for $365 million.
- 2014
KCG acquires shares in Platinum Studios
[1]KCG acquired 27 million shares of Platinum Studios.
- 2013
KCG Holdings is formed
[1]The Knight and GETCO combination was approved by shareholders and unitholders on June 25 and completed on July 1, creating KCG Holdings.
- 2013
KCG corporate identity is unveiled
[1]Chief executive Daniel Coleman marked the completed merger and new corporate identity at a New York Stock Exchange opening-bell ceremony on July 8.
- 2012
Knight Capital suffers the Knightmare trading incident
[1]A technology and management-control failure generated erroneous trades and a reported one-day loss of approximately $460 million, severely weakening Knight.
- 2012
Knight agrees to be acquired by GETCO
[1]Knight agreed in December to be acquired by GETCO after the trading-system incident put pressure on its financial position.
- 1999
GETCO is founded
[1]Stephen Schuler and Daniel Tierney founded GETCO in Chicago as an electronic market-making and high-frequency-trading firm.
- 1995
Knight/Trimark Group is founded
[1]Knight Capital Group traces its origins to Knight/Trimark Group, which developed a substantial market-making business serving retail brokerages.
Products and positioning
Institutional-grade electronic liquidity, market making, and trade-execution services
Market-making services · 2013
Electronic market making
KCG provided electronic liquidity and market-making services across trading venues. The business inherited Knight's relationships with retail brokerages and GETCO's automated-trading capabilities. Market making required continuous quoting, inventory management, connectivity, and risk controls, making technology and execution reliability central to the offering.
Algorithmic trading · 2013
High-frequency trading
The company operated automated, technology-intensive trading strategies associated with high-frequency market making. These activities used algorithmic systems to process market information, submit and cancel orders, manage positions, and seek trading opportunities across fragmented electronic markets.
Institutional execution · 2013
KCG Execution Services
KCG's execution-services activities provided institutional clients with electronic order-routing and execution capabilities. The business included execution algorithms and dark-pool access, complementing the firm's liquidity-provision operations and offering clients alternatives to conventional exchange execution.
Institutional brokerage · 2013
Institutional sales and trading
Inherited largely from Knight's broader financial-services platform, institutional sales and trading connected professional investors with execution, liquidity, and market information services. It formed part of KCG's effort to serve both automated trading needs and relationship-based institutional business.
Foreign-exchange trading platform
KCG Hotspot
KCG Hotspot was the company's foreign-exchange trading platform. It was operated as part of KCG's electronic-trading portfolio until KCG agreed in 2015 to sell it to BATS Global Markets for $365 million.
Controversies
2012
Knight Capital trading-system failure
A software deployment and management-control failure at Knight Capital caused erroneous orders and an approximately $460 million loss during one trading day. Although the event predates KCG's formation, it directly shaped the Knight-GETCO merger that created KCG and became a prominent example of the operational risks of automated trading.
Brand decisions
2017
Sale of KCG to Virtu FinancialM&ABackground
KCG operated in a consolidating electronic-trading and market-making industry, and Virtu sought to expand its scale and capabilities through the acquisition.
Action taken
Virtu Financial agreed to acquire KCG for $20 per share in cash, in a transaction announced at approximately $1.4 billion.
Aftermath
The acquisition closed on July 20, 2017, and KCG ceased to exist as an independent listed company.
Announced acquisition value. Approximately $1.4 billion (2017 announced transaction)
2015
Sale of KCG HotspotM&ABackground
KCG reviewed its electronic-trading portfolio and agreed to divest its foreign-exchange platform.
Action taken
The company announced the sale of KCG Hotspot to BATS Global Markets for $365 million.
Aftermath
The transaction transferred the foreign-exchange platform to BATS and reduced KCG's direct ownership of that business.
Reported transaction value. $365 million (2015 announced sale)
2012
Knight agrees to combination with GETCOM&ABackground
Knight Capital was weakened by the 2012 trading-system failure and its associated losses, while GETCO was seeking to combine its electronic market-making technology with Knight's customer and institutional businesses.
Action taken
Knight agreed in December 2012 to be acquired by GETCO, with the transaction subsequently approved by both companies' stakeholders.
Aftermath
The transaction closed on July 1, 2013 and created KCG Holdings.
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