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Organization and Description of Business	12 Months Ended
	Dec. 31, 2013
Accounting Policies [Abstract]
Organization and Description of Business	1. Organization and Description of Business WisdomTree Investments, Inc. (“WisdomTree” or the “Company”) is a New York-based exchange-traded fund sponsor and asset manager. Through its operating subsidiary, the Company provides investment advisory and other management services to the WisdomTree Trust (“WTT”) and WisdomTree ETFs. During 2013, the Company had the following subsidiaries: • WisdomTree Asset Management, Inc. (“WTAM”)—a wholly owned subsidiary formed in February 2005 is an investment adviser registered with the Securities and Exchange Commission (“SEC”). WTAM provides investment advisory and other management services to WTT and the WisdomTree ETFs. In exchange for providing these services, the Company receives advisory fee revenues based on a percentage of the ETFs average daily net assets under management (“AUM”). • WisdomTree Retirement Services, Inc. (“WTRS”)—a wholly owned subsidiary formed in August 2007, marketed with selected third parties the use of WisdomTree ETFs in 401(k) plans. WTRS was dissolved on September 27, 2013. The WisdomTree ETFs are issued by WTT. WTT, a non-consolidated third party, is a Delaware statutory trust registered with the SEC as an open-end management investment company. WTT offers ETFs across international and domestic equities, fixed income, currency, and alternatives asset classes. The Company has licensed the use of its own fundamentally-weighted indexes on an exclusive basis to WTT for the WisdomTree ETFs. The Board of WTT, or the Trustees, is separate from the Board of the Company. The Trustees are primarily responsible for overseeing the management and affairs of the WisdomTree ETFs and the Trust for the benefit of the WisdomTree ETF shareholders and has contracted with the Company to provide for general management and administration services of WTT and the WisdomTree ETFs. The Company, in turn, has contracted with third parties to provide the majority of these administration services. In addition, certain officers of the Company provide general management services for WTT.

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The entire disclosure for the business description and basis of presentation concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).

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