Investment Technology Group
Investment Technology Group was a U.S.-based agency brokerage and financial-markets technology company serving institutional investors, hedge funds, and asset managers.
Last updated August 31, 2026
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Overview
Investment Technology Group, commonly known as ITG, was a financial technology and agency brokerage company focused on institutional trading and investment-management workflows. The company was established in 1987 as a division of Jefferies and initially concentrated on automated equity trading for institutional investors. Its early significance came from POSIT, an anonymous electronic trade-matching and crossing system introduced in 1987 in cooperation with Barra. POSIT helped establish ITG as an early provider of electronic trading infrastructure and offered institutions a way to seek liquidity without immediately displaying orders to the wider market. Over time, ITG developed from a specialist electronic-trading provider into a broader platform covering the investment process before, during, and after a trade. Its capabilities included portfolio-management tools, pre-trade analysis, order and execution management, algorithmic routing, electronic and traditional agency brokerage, post-trade processing, transaction-cost analysis, and investment and market research. The company’s client base included hedge funds, asset managers, institutional investors, and other professional trading organizations. Its technology was designed to help clients manage trading risk, evaluate execution quality, meet compliance requirements, and improve the efficiency of complex institutional workflows. ITG expanded its technology platform and geographic footprint through a mixture of product development and acquisitions. QuantEX, launched in 1990, integrated analytics, routing, and trade management for institutional traders. Beginning in 1992, the firm added pre-trade and post-trade tools and analytics. ITG became an independent public company after completing its spin-off from Jefferies in 1999, following its NASDAQ listing in 1994. International expansion included Australia in 1997, Europe in 1998, Canada in 2000, Hong Kong in the early 2000s, Japan in 2005, and operations in other financial centers across North America, Europe, Asia, and the Middle East. Acquisitions broadened ITG’s reach into alternative-investment services, direct-access trading, transaction-cost analysis, order management, and derivatives technology. Hoenig added execution and research services for hedge funds and other alternative-investment clients. Radical Corporation strengthened direct-access trading capabilities. Plexus Group expanded transaction-cost analysis, while Macgregor added trade order-management software. RedSky Financial brought futures and options technology into the portfolio. The company also operated POSIT Alert, which notified traders of potential block-crossing opportunities based on available order flow. ITG faced strategic pressure during the late 2000s, including demands from activist investor D. E. Shaw for asset sales or a share repurchase. The company later announced a stock-repurchase program and continued developing its platform. In 2010, ITG separated Plexus Plan Sponsor Group, its institutional asset-owner services division; the resulting privately held business was renamed Zeno Consulting Group. ITG remained an independent public company until Virtu Financial completed its acquisition on March 1, 2019. Following that transaction, ITG ceased to operate as an independent publicly traded company, although its technologies, services, and business capabilities became part of Virtu’s broader institutional-markets offering.
History
Investment Technology Group began in 1987 as a Jefferies division created to provide automated equity-trading services to institutional investors. Its first major technology was POSIT, an anonymous electronic trade-matching system developed with Barra and launched in the same year. POSIT was among the earliest institutional crossing systems and became a defining part of ITG's identity. It enabled participants to seek matches without exposing their orders in the same manner as a conventional displayed market. In 1990, ITG introduced QuantEX, an institutional trading system combining analytics, order routing, and trade-management functions. From 1992 onward, the company expanded beyond execution into pre-trade planning, post-trade review, and trading analytics. This broadened the firm's role from electronic broker to integrated financial-markets technology provider. ITG became publicly traded on NASDAQ in 1994 and began building an international network, opening an Australian office in 1997 and expanding into Europe in 1998. Its spin-off from Jefferies was completed in 1999, making ITG an independent company. The next phase centered on geographic expansion and acquisitions. ITG opened in Canada in 2000 and entered the hedge-fund market through the acquisition of Hoenig in 2002. Hoenig contributed trade-execution and research services for alternative-investment clients, while an office in Hong Kong extended the company's Asian presence. In 2004, ITG acquired Radical Corporation, adding direct-access trading technology for institutional brokerage and hedge-fund users. The company opened in Japan in 2005. ITG then strengthened its analytical and order-management capabilities. In 2006, it acquired Plexus Group from JPMorgan Chase to expand transaction-cost analysis and related consulting. It also acquired Macgregor for $230 million, adding an order-management system used by investment firms. In 2007, RedSky Financial expanded ITG's technology portfolio into futures and options trading. These transactions reflected the company's strategy of combining execution services with software and analytics spanning the full trading lifecycle. The enlarged business encountered investor pressure in 2007 and 2008. D. E. Shaw advocated asset disposals or a share buyback, while ITG defended its acquisition strategy and announced a $50 million repurchase program. Shaw subsequently reduced its position, citing satisfaction with the RedSky transaction and the repurchase announcement. In 2010, ITG separated its Plexus Plan Sponsor Group, which served institutional asset owners. That division became a privately held company called Zeno Consulting Group. By the end of its independent life, ITG offered portfolio-management support, pre-trade controls, electronic execution, broker-neutral execution and order-management systems, algorithms, routers, POSIT crossing, FIX connectivity, traditional agency-desk services, post-trade processing, transaction-cost analysis, fundamental equity research, and primary market research in areas such as healthcare and telecommunications. Its offices and operations covered major financial centers including New York, Boston, Los Angeles, Toronto, Chicago, London, Dublin, Tel Aviv, Madrid, Sydney, Hong Kong, and Singapore. Virtu Financial completed the acquisition of ITG on March 1, 2019, after which ITG was no longer an independent listed company.
- 2019
Virtu Financial acquisition completed
[1]Virtu Financial completed its acquisition of ITG on March 1, ending ITG's status as an independent public company.
- 2010
Plexus Plan Sponsor Group spun off
[1]ITG separated its institutional asset-owner services division, which became Zeno Consulting Group.
- 2007
RedSky Financial acquired
[1]The RedSky acquisition expanded ITG's capabilities into futures and options trading technology.
- 2006
Plexus Group and Macgregor acquired
[1]Plexus Group expanded transaction-cost analysis, while Macgregor added order-management technology.
- 2004
Radical Corporation acquired
[1]ITG acquired Radical Corporation, adding direct-access trading technology.
- 2002
Hoenig acquired
[1]The acquisition of Hoenig expanded ITG's execution and research services for hedge funds and alternative-investment clients.
- 1999
Spin-off from Jefferies completed
[1]ITG completed its separation from Jefferies and became fully independent.
- 1998
European expansion
[1]The company expanded its operations into Europe.
- 1997
Australian expansion
[1]ITG opened an Australian office and began offering POSIT equity-crossing services to regional investors.
- 1994
ITG becomes publicly traded
[1]ITG completed a public listing on NASDAQ.
Products and positioning
Institution-focused, broker-neutral trading technology and agency brokerage combining electronic execution, anonymous crossing, investment analytics, order and portfolio management, and post-trade evaluation.
Anonymous electronic trade matching and crossing · 1987
POSIT
POSIT was ITG's signature anonymous electronic crossing system, introduced in 1987 with Barra. It was designed to match institutional buy and sell interest without requiring orders to be displayed in the conventional market. The service became a core component of ITG's agency-brokerage model and was later supported by related alerting and execution tools.
Institutional trading system · 1990
QuantEX
QuantEX was introduced as a trading platform for institutional users. It combined quantitative analytics, order routing, and trade-management functions, helping professional traders coordinate the preparation and execution of orders within a single technology environment.
Order management system
Macgregor
Macgregor provided order-management technology for investment firms. ITG acquired the business in 2006 to strengthen its support for institutional workflows, including the creation, control, routing, and monitoring of orders before and during execution.
Transaction-cost analysis and consulting
Plexus
Plexus Group supplied transaction-cost analysis and related consulting capabilities. Its tools helped institutional investors evaluate execution quality and trading costs, providing analytical support for broker selection, routing decisions, and post-trade performance review.
Block-crossing alert service
POSIT Alert
POSIT Alert notified traders about potential block-crossing opportunities identified through order flow in POSIT and ITG algorithms. The service was intended to connect traders with possible liquidity without requiring them to continuously monitor the crossing network.
Brand decisions
2019
Acquisition by Virtu FinancialM&ABackground
ITG had developed a broad institutional-markets platform spanning agency brokerage, electronic execution, crossing, order management, and transaction-cost analysis.
Action taken
Virtu Financial completed its acquisition of ITG on March 1, 2019.
Aftermath
ITG ceased to be an independent publicly traded company and its capabilities became part of Virtu Financial's institutional-markets business.
2010
Spin-off of Plexus Plan Sponsor GroupStrategyBackground
ITG operated a division serving institutional asset owners through the Plexus Plan Sponsor Group. The unit represented a distinct consulting and asset-owner-services activity within the broader trading-technology business.
Action taken
ITG separated the division into a privately held company, which was renamed Zeno Consulting Group.
Aftermath
The transaction narrowed ITG's direct corporate scope around brokerage, trading technology, execution, analytics, and related research services.
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