WisdomTree U.S. MidCap Dividend Fund – DON (NYSE Arca)

Summary Prospectus – August 1, 2017

Before you invest in the Fund, as defined below, you may want to review the Fund’s prospectus and statement of additional information (“SAI”), which contain more information about the Fund and the risks of investing in the Fund. The Fund’s current prospectus and SAI are incorporated by reference into this summary prospectus. You can find the Fund’s prospectus and SAI, as well as other information about the Fund, online at www.wisdomtree.com/prospectus. You may also obtain this information at no charge by calling 1-866-909-9473 or by sending an e-mail request to getinfo@wisdomtree.com.

Investment Objective

The WisdomTree U.S. MidCap Dividend Fund (the “Fund”) seeks to track the price and yield performance, before fees and expenses, of the WisdomTree U.S. MidCap Dividend Index (formerly, WisdomTree MidCap Dividend Index) (the “Index”).

Fees and Expenses of the Fund

The following table describes the fees and expenses you may pay if you buy and hold shares of the Fund. The fees are expressed as a percentage of the Fund’s average net assets.

Shareholder Fees (fees paid directly from your investment)	None
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Management Fees	0.38%
Distribution and/or Service (12b-1) Fees	None
Other Expenses	0.00%
Total Annual Fund Operating Expenses	0.38%

Example

The following example is intended to help retail investors compare the cost of investing in the Fund with the cost of investing in other funds. It illustrates the hypothetical expenses that such investors would incur over various periods if they were to invest $10,000 in the Fund for the time periods indicated and then redeem all of the shares at the end of those periods. This example assumes that the Fund provides a return of 5% a year and that operating expenses remain the same. This example does not include the brokerage commissions that retail investors may pay to buy and sell shares of the Fund. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

	1 Year	3 Years	5 Years	10 Years
	$ 39	$ 122	$ 213	$ 480

Portfolio Turnover

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 33% of the average value of its portfolio, excluding the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s capital shares.

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Principal Investment Strategies of the Fund

The Fund employs a “passive management” – or indexing – investment approach designed to track the performance of the Index. The Fund generally uses a representative sampling strategy to achieve its investment objective, meaning it generally will invest in a sample of the securities in the Index whose risk, return and other characteristics resemble the risk, return and other characteristics of the Index as a whole. Under normal circumstances, at least 95% of the Fund’s total assets (exclusive of collateral held from securities lending) will be invested in component securities of the Index and investments that have economic characteristics that are substantially identical to the economic characteristics of such component securities.

The Index is a fundamentally weighted index that is comprised of the mid-capitalization segment of the U.S. dividend-paying market. The Index is comprised of the companies that compose the top 75% of the market capitalization of the WisdomTree U.S. Dividend Index, which defines the dividend-paying universe of companies in the U.S. stock market, after the 300 largest companies have been removed. As of June 30, 2017, the Index had a market capitalization range from $1.4 billion to $21.8 billion, with an average market capitalization of $6.1 billion. To be eligible for inclusion in the Index, a company must meet the following criteria: (i) payment of regular cash dividends on shares of common stock in the 12 months preceding the annual Index screening date; (ii) market capitalization of at least $100 million as of the annual Index screening date; and (iii) average daily dollar trading volume of at least $100,000 for three months preceding the annual Index screening date.

The Index is dividend weighted annually to reflect the proportionate share of the aggregate cash dividends each component company is projected to pay in the coming year, based on the most recently declared dividend per share. The maximum weight of any one sector in the Index, at the time of the Index’s annual screening date, is capped at 25%; however, sector weights may fluctuate above the specified cap in response to market conditions and/or the application of volume factor adjustments. The Index methodology applies a volume factor adjustment to reduce a component security’s weight in the Index and reallocate the reduction in weight pro rata among the other securities if, as of the annual Index screening date, a component security no longer meets certain trading volume thresholds.

WisdomTree Investments, Inc. (“WisdomTree Investments”), as Index provider, currently uses Standard & Poor’s Global Industry Classification Standards (“S&P GICS”) to define companies within a sector. The following sectors are included in the Index: consumer discretionary, consumer staples, energy, financials, health care, industrials, information technology, materials, real estate, telecommunication services, and utilities. A sector is comprised of multiple industries. For example, the energy sector is comprised of companies in, among others, the natural gas, oil and petroleum industries. As of June 30, 2017, a significant portion of the Index is comprised of companies in the consumer discretionary and real estate sectors.

To the extent that the Index concentrates (i.e., holds 25% or more of its total assets) in the securities of a particular industry or group of industries, the Fund will concentrate its investments to approximately the same extent as the Index.

Principal Risks of Investing in the Fund

You can lose money on your investment in the Fund. The Fund is subject to the risks described below. Some or all of these risks may adversely affect the Fund’s net asset value per share (“NAV”), trading price, yield, total return and/or ability to meet its objectives. For more information about the risks of investing in the Fund, see the sections in the Fund’s Prospectus titled “Additional Principal Risk Information About the Funds” and “Additional Non-Principal Risk Information.”

■	Investment Risk. As with all investments, an investment in the Fund is subject to investment risk. Investors in the Fund could lose money, including the possible loss of the entire principal amount of an investment, over short or long periods of time.
■	Market Risk. The trading prices of equity securities and other instruments fluctuate in response to a variety of factors, such as economic, financial or political events that impact the entire market, market segments, or specific issuers. The Fund’s NAV and market price may fluctuate significantly in response to these and other factors. As a result, an investor could lose money over short or long periods of time.
■	Shares of the Fund May Trade at Prices Other Than NAV. As with all exchange-traded funds (“ETFs”), Fund shares may be bought and sold in the secondary market at market prices. The trading prices of the Fund’s shares in the secondary market generally differ from the Fund’s daily NAV and there may be times when the market price of the shares is more than the NAV (premium) or less than the NAV (discount). This risk is heightened in times of market volatility or periods of steep market declines.

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Consumer Discretionary Sector Risk. The Fund currently invests a significant portion of its assets in the consumer discretionary sector, and therefore the Fund’s performance could be negatively impacted by events affecting this sector. The consumer discretionary sector includes, for example, automobile, textile, retail, and media companies. This sector can be significantly affected by, among other things, economic growth, worldwide demand, social trends, consumers’ disposable income levels, and propensity to spend.

■

Cyber Security Risk. The Fund and its service providers may be susceptible to operational and information security risks resulting from a breach in cyber security, including cyber-attacks. A breach in cyber security, intentional or unintentional, may adversely impact the Fund in many ways, including, but not limited to, disruption of the Fund’s operational capacity, loss of proprietary information, theft or corruption of data, denial-of-service attacks on websites or network resources, and the unauthorized release of confidential information. Cyber-attacks affecting the Fund’s third-party service providers, market makers, Authorized Participants, or the issuers of securities in which the Fund invests may subject the Fund to many of the same risks associated with direct cyber security breaches.

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Dividend Paying Securities Risk. Securities that pay dividends, as a group, may be out of favor with the market and underperform the overall equity market or stocks of companies that do not pay dividends. In addition, changes in the dividend policies of the companies held by the Fund or the capital resources available for such company’s dividend payments may adversely affect the Fund.

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Geopolitical Risk. The United States has experienced security concerns, war, threats of war, aggression and/or conflict, terrorism, economic uncertainty, natural and environmental disasters and/or systemic market dislocations (including due to events outside of the United States) that have led, and in the future may lead, to increased short-term market volatility and may have adverse long-term effects on the U.S. and world economies and markets generally, each of which may negatively impact the Fund’s investments.

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Index and Data Risk. The Fund is not “actively” managed and seeks to track the price and yield performance, before fees and expenses, of the Index. The Index provider has the right to make adjustments to the Index or to cease making the Index available without regard to the particular interests of the Fund or its shareholders. If the computers or other facilities of the Index provider, Index calculation agent, data providers and/or relevant stock exchange malfunction for any reason, calculation and dissemination of Index values may be delayed and trading in Fund shares may be suspended for a period of time. Errors in Index data, Index calculations and/or the construction of the Index may occur from time to time and may not be identified and/or corrected by the Index provider, Index calculation agent or other applicable party for a period of time or at all, which may have an adverse impact on the Fund and its shareholders. The potential risk of continuing error may be particularly heightened in the case of the Index, which is generally not used as a benchmark by other funds or managers.

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Investment Style Risk. The Fund invests in the securities included in, or representative of, the Index regardless of their investment merit. The Fund does not attempt to outperform the Index or take defensive positions in declining markets. As a result, the Fund’s performance may be adversely affected by a general decline in the market segments relating to the Index.

■	Issuer-Specific Risk. Issuer-specific events, including changes in the actual or perceived financial condition of an issuer, can have a negative impact on the value of the Fund.

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Mid-Capitalization Investing Risk. The Fund invests primarily in the securities of mid-capitalization companies. As a result, the Fund’s performance may be adversely affected if securities of mid-capitalization companies underperform securities of other capitalization ranges or the market as a whole. Securities of mid-capitalization companies are often less stable and more vulnerable to market volatility and adverse economic developments than securities of larger companies.

■	Non-Correlation Risk. As with all index funds, the performance of the Fund and its Index may differ from each other for a variety of reasons.

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Non-Diversification Risk. The Fund is considered to be non-diversified, which means that it may invest more of its assets in the securities of a single issuer or a smaller number of issuers than if it were a diversified fund. To the extent the Fund invests a significant percentage of its assets in a limited number of issuers, the Fund is subject to the risks of investing in those few issuers, and may be more susceptible to a single adverse economic or regulatory occurrence. As a result, changes in the market value of a single security could cause greater fluctuations in the value of Fund shares than would occur in a diversified fund.

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■	Operational Risk. The Fund and its service providers may experience disruptions that arise from human error, processing and communications errors, counterparty or third-party errors, technology or systems failures, any of which may have an adverse impact on the Fund.

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Real Estate Sector Risk. The Fund currently invests a significant portion of its assets in real estate companies, including investments in real estate investment trusts (“REITs”), and therefore the Fund’s performance could be negatively impacted by events affecting this sector. REITs are securities that invest substantially all of their assets in real estate, trade like stocks and may qualify for special tax considerations. Investments in REITs subject the Fund to risks associated with the direct ownership of real estate. The real estate sector also includes real estate management and development companies. This sector can be significantly affected by, among other things, market conditions or events such as declining property values or rising interest rates.

Fund Performance

Historical Fund performance, which varies over time, can provide an indication of the risks of investing in the Fund. The bar chart that follows shows the annual total returns of the Fund for each full calendar year since the Fund commenced operations. The table that follows the bar chart shows the Fund’s average annual total returns, both before and after taxes. This table also shows how the Fund’s performance compares to the Index and that of a relevant broad-based securities index. Index returns do not reflect deductions for fees, expenses or taxes. All returns assume reinvestment of dividends and distributions. The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.

The Fund’s year-to-date total return as of June 30, 2017 was 4.70%.

Best and Worst Quarter Returns (for the periods reflected in the bar chart above)

	Return	Quarter/Year
Highest Return	27.96%	3Q/2009
Lowest Return	(24.64)%	4Q/2008

After-tax returns are calculated using the highest historical individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on your tax situation and may differ from those shown and are not relevant if you hold your shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts. In some cases the return after taxes may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period.

Average Annual Total Returns for the periods ending December 31, 2016

WisdomTree U.S. MidCap Dividend Fund	1 Year	5 Years	10 Years
Return Before Taxes Based on NAV	20.30%	15.96%	8.47%
Return After Taxes on Distributions	19.42%	15.09%	7.68%
Return After Taxes on Distributions and Sale of Fund Shares	11.91%	12.65%	6.62%
WisdomTree U.S. MidCap Dividend Index (Reflects no deduction for fees, expenses or taxes)	20.82%	16.33%	8.56%
S&P MidCap 400 Index (Reflects no deduction for fees, expenses or taxes)	20.74%	15.33%	9.16%
Russell Midcap Value Index (Reflects no deduction for fees, expenses or taxes)	20.00%	15.70%	7.59%

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Management

Investment Adviser and Sub-Adviser

WisdomTree Asset Management, Inc. serves as investment adviser to the Fund. Mellon Capital Management Corporation serves as sub-adviser to the Fund.

Portfolio Managers

The Fund is managed by Mellon Capital's Equity Portfolio Management team. The individual members of the team jointly and primarily responsible for the day-to-day management of the Fund’s portfolio are described below.

Karen Q. Wong, CFA, a Managing Director, Head of Equity Portfolio Management, has been a portfolio manager of the Fund since 2008.

Richard A. Brown, CFA, a Managing Director and Senior Portfolio Manager, Equity Portfolio Management, has been a portfolio manager of the Fund since 2008.

Thomas J. Durante, CFA, a Managing Director and Senior Portfolio Manager, Equity Portfolio Management, has been a portfolio manager of the Fund since 2008.

Buying and Selling Fund Shares

The Fund is an ETF. This means that shares of the Fund are listed on a national securities exchange, such as NYSE Arca, and trade at market prices. Most investors will buy and sell shares of the Fund through brokers. Because Fund shares trade at market prices rather than NAV, shares may trade at a price greater than NAV (premium) or less than NAV (discount).

The Fund issues and redeems shares at NAV only in large blocks of shares (“Creation Units”), which only certain institutions or large investors (typically market makers or other broker-dealers) may purchase or redeem. Currently, Creation Units generally consist of 50,000 shares, though this may change from time to time. Creation Units are not expected to consist of less than 25,000 shares. The Fund issues and redeems Creation Units in exchange for a portfolio of securities and/or U.S. cash.

Tax Information

The Fund intends to make distributions that may be taxed as ordinary income, qualified dividend income, or capital gains.

Payments to Broker-Dealers and Other Financial Intermediaries

If you purchase shares of the Fund through a broker-dealer or other financial intermediary (such as a bank) (an “Intermediary”), WisdomTree Asset Management or its affiliates may pay Intermediaries for certain activities related to the Fund, including participation in activities that are designed to make Intermediaries more knowledgeable about exchange traded products, including the Fund, or for other activities, such as marketing, educational training or other initiatives related to the sale or promotion of Fund shares. These payments may create a conflict of interest by influencing the Intermediary and your salesperson to recommend the Fund over another investment. Any such arrangements do not result in increased Fund expenses. Ask your salesperson or visit the Intermediary’s website for more information.

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