Organization and Basis of Presentation	12 Months Ended
Dec. 31, 2016
Organization and Basis of Presentation
Organization and Basis of Presentation	INVESTMENT TECHNOLOGY GROUP, INC. AND SUBSIDIARIES Notes to Consolidated Financial Statements (1) Organization and Basis of Presentation Investment Technology Group, Inc. (the “Company” or “ITG”) was formed as a Delaware corporation on July 22, 1983. Its principal subsidiaries include: (1) ITG Inc., AlterNet Securities, Inc. (“AlterNet”) and ITG Derivatives LLC (“ITG Derivatives”), institutional broker-dealers in the United States (“U.S.”), (2) ITG Canada Corp., an institutional broker-dealer in Canada, (3) Investment Technology Group Limited, an institutional broker-dealer in Europe, (4) ITG Australia Limited, an institutional broker-dealer in Australia, (5) ITG Hong Kong Limited, an institutional broker-dealer in Hong Kong, (6) ITG Software Solutions, Inc., the Company’s intangible property, software development and maintenance subsidiary in the U.S., and (7) ITG Solutions Network, Inc., a holding company for ITG Analytics, Inc., a provider of pre- and post-trade analysis, fair value and trade optimization services, and ITG Platforms Inc., a provider of workflow technology solutions and network connectivity services for the financial community. ITG is a global financial technology company that helps leading brokers and asset managers improve returns for investors around the world. ITG empowers traders to reduce the end-to-end cost of implementing investments via technology-enabled liquidity, execution, analytics and workflow solutions. ITG has offices in Asia Pacific, Europe and North America and offers execution services in more than 50 countries. The Company’s business is organized into four reportable operating segments: U.S. Operations, Canadian Operations, European Operations and Asia Pacific Operations (see Note 22, Segment Reporting). The four operating segments offer a wide range of solutions for asset managers and broker‑dealers in the areas of execution services, workflow technology and analytics. These offerings include trade execution services and solutions for portfolio management, as well as pre‑trade analytics and post‑trade analytics and processing. Regional segment results exclude the impact of Corporate activity, which is presented separately and includes investment income from treasury activity, certain non-operating revenues and other gains as well as costs not associated with operating the businesses within the Company’s regional segments. These costs include, among others, (a) the costs of being a public company, such as certain staff costs, a portion of external audit fees, and reporting, filing and listing costs, (b) intangible asset amortization, (c) interest expense, (d) professional fees associated with the Company's global transfer pricing structure, (e) foreign exchange gains or losses and (f) certain non-operating expenses. The consolidated financial statements and accompanying notes are prepared in accordance with accounting principles generally accepted in the U.S. (“U.S. GAAP”). All intercompany balances and transactions have been eliminated in consolidation. The consolidated financial statements reflect all adjustments which, in the opinion of management, are necessary for the fair presentation of the financial statements.

INVESTMENT TECHNOLOGY GROUP, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(1) Organization and Basis of Presentation

Investment Technology Group, Inc. (the “Company” or “ITG”) was formed as a Delaware corporation on July 22, 1983. Its principal subsidiaries include: (1) ITG Inc., AlterNet Securities, Inc. (“AlterNet”) and ITG Derivatives LLC (“ITG Derivatives”), institutional broker-dealers in the United States (“U.S.”), (2) ITG Canada Corp., an institutional broker-dealer in Canada, (3) Investment Technology Group Limited, an institutional broker-dealer in Europe, (4) ITG Australia Limited, an institutional broker-dealer in Australia, (5) ITG Hong Kong Limited, an institutional broker-dealer in Hong Kong, (6) ITG Software Solutions, Inc., the Company’s intangible property, software development and maintenance subsidiary in the U.S., and (7) ITG Solutions Network, Inc., a holding company for ITG Analytics, Inc., a provider of pre- and post-trade analysis, fair value and trade optimization services, and ITG Platforms Inc., a provider of workflow technology solutions and network connectivity services for the financial community.

ITG is a global financial technology company that helps leading brokers and asset managers improve returns for investors around the world. ITG empowers traders to reduce the end-to-end cost of implementing investments via technology-enabled liquidity, execution, analytics and workflow solutions. ITG has offices in Asia Pacific, Europe and North America and offers execution services in more than 50 countries.

The Company’s business is organized into four reportable operating segments: U.S. Operations, Canadian Operations, European Operations and Asia Pacific Operations (see Note 22, Segment Reporting).

The four operating segments offer a wide range of solutions for asset managers and broker‑dealers in the areas of execution services, workflow technology and analytics. These offerings include trade execution services and solutions for portfolio management, as well as pre‑trade analytics and post‑trade analytics and processing.

Regional segment results exclude the impact of Corporate activity, which is presented separately and includes investment income from treasury activity, certain non-operating revenues and other gains as well as costs not associated with operating the businesses within the Company’s regional segments. These costs include, among others, (a) the costs of being a public company, such as certain staff costs, a portion of external audit fees, and reporting, filing and listing costs, (b) intangible asset amortization, (c) interest expense, (d) professional fees associated with the Company's global transfer pricing structure, (e) foreign exchange gains or losses and (f) certain non-operating expenses.

The consolidated financial statements and accompanying notes are prepared in accordance with accounting principles generally accepted in the U.S. (“U.S. GAAP”). All intercompany balances and transactions have been eliminated in consolidation. The consolidated financial statements reflect all adjustments which, in the opinion of management, are necessary for the fair presentation of the financial statements.