Nationwide HighMark Large Cap Core Equity Fund   Summary Prospectus November 29, 2013

Class/Ticker A NWGHX C NWGIX Institutional Class NWGJX Institutional Service Class NWGKX

Before you invest, you may want to review the Fund’s Prospectus, which contains information about the Fund and its risks. The Fund’s Prospectus and Statement of Additional Information, both dated November 29, 2013, are incorporated by reference into this Summary Prospectus. For free paper or electronic copies of the Fund’s Prospectus and other information about the Fund, go to nationwide.com/mutualfundprospectuses, email a request to web_help@nationwide.com or call 800-848-0920, or ask any financial advisor, bank, or broker-dealer who offers shares of the Fund.

Objective

The Fund seeks long-term capital appreciation.

Fees and Expenses

This table describes the fees and expenses you may pay when buying and holding shares of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in Nationwide Funds. More information about these and other discounts is available from your financial professional and in “Investing with Nationwide Funds” commencing on page 76 of the Prospectus and in “Additional Information on Purchases and Sales” commencing on page 74 of the Statement of Additional Information.

	Class A Shares	Class C Shares	Institutional Class Shares	Institutional Service Class Shares
Shareholder Fees (fees paid directly from your investment)
Maximum Sales Charge (Load) imposed on purchases (as a percentage of offering price)	5.75%	None	None	None
Maximum Deferred Sales Charge (Load) (as a percentage of offering or sale price, whichever is less)	None	1.00%	None	None
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Management Fees	0.60%	0.60%	0.60%	0.60%
Distribution and/or Service (12b-1) Fee	0.25%	1.00%	None	None
Other Expenses	0.61%	0.36%	0.36%	0.61%
Total Annual Fund Operating Expenses	1.46%	1.96%	0.96%	1.21%
Amount of Fee Waiver/Expense Reimbursement1	(0.24)%	(0.14)%	(0.14)%	(0.24)%
Total Annual Fund Operating Expenses After Waivers/Reimbursements	1.22%	1.82%	0.82%	0.97%

1 Nationwide Mutual Funds (the “Trust”) and Nationwide Fund Advisors (the “Adviser”) have entered into a written contract limiting operating expenses to 1.22% for Class A shares, 1.82% for Class C shares, 0.82% for Institutional Class shares, and 0.97% for Institutional Service Class shares until at least November 30, 2015. Under the expense limitation agreement, the level to which operating expenses are limited excludes any taxes, interest, brokerage commissions, acquired fund fees and expenses, short-sale dividend expenses, other expenses which are capitalized in accordance with generally accepted accounting principles and expenses incurred by the Fund in connection with any merger or reorganization, and may exclude other non-routine expenses not incurred in the ordinary course of the Fund’s business. The expense limitation agreement may be changed or eliminated at any time but only with the consent of the Board of Trustees of the Trust. The Trust is authorized to reimburse the Adviser for management fees previously waived and/or for expenses previously paid by the Adviser, provided, however, that any reimbursements must be paid at a date not more than three years after the fiscal year in which the Adviser waived the fees or reimbursed the expenses and the reimbursements do not cause the Fund to exceed the expense limitation that was in place at the time the Adviser waived the fees or reimbursed the expenses.

SP-HM-LCC (11/13)

Summary Prospectus November 29, 2013 1 Nationwide HighMark Large Cap Core Equity Fund

Example

This Example is intended to help you to compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then sell all of your shares at the end of those time periods. It assumes a 5% return each year and no change in expenses. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

	1 Year		3 Years
Class A shares		$692		$988
Class C shares		285		602
Institutional Class shares		84		292
Institutional Service Class shares		99		360

You would pay the following expenses on the same investment if you did not sell your shares:

	1 Year		3 Years
Class C shares		$185		$602

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. 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 of the predecessor fund (July 31, 2013), the portfolio turnover rate was 62.92% of the average value of its portfolio. See the section entitled “Performance” for more information about the predecessor fund.

Principal Investment Strategies

The Fund invests primarily in common stocks of large-cap U.S. companies. Under normal circumstances, the Fund will invest at least 80% of its net assets in equity securities of large-cap companies. The Fund makes market capitalization determinations with respect to a security at the time of purchase of such security. The Fund considers large cap companies as those whose capitalization is equal to or greater than the top 60% of the companies that comprise the Russell 1000 Index.

The subadviser uses an actively managed bottom-up stock selection process for choosing securities across a large-cap equity market universe. The Fund seeks to identify those securities the subadviser believes are most attractive from a fundamental perspective, based on certain valuation factors and management criteria, and the potential for price appreciation. The subadviser seeks to manage portfolio risk using a portfolio construction process that imposes active security and sector exposure limits while balancing overall portfolio risk versus expected excess return. This portfolio management process determines buy and sell decisions in an effort to maintain an equity portfolio that is diversified across sectors. Investments are sold when, as determined by the subadviser, relative fundamentals deteriorate or alternative investments become sufficiently more attractive.

The Fund may invest in futures and other derivative instruments to reduce the impact of any cash exposure on the Fund’s performance. The Fund may invest up to 20% of the Fund’s assets in foreign securities, including American Depositary Receipts.

Principal Risks

The Fund cannot guarantee that it will achieve its investment objective.

As with any fund, the value of the Fund’s investments—and therefore, the value of Fund shares—may fluctuate. These changes may occur because of:

Stock market risk – the Fund could lose value if the individual stocks in which it invests or overall stock markets in which such stocks trade go down.

Foreign securities risk – foreign securities may be more volatile, harder to price and less liquid than U.S. securities. The prices of foreign securities may be further affected by other factors, such as changes in the exchange rates between the dollar and the currencies in which the securities are traded. American Depositary Receipts are generally subject to the same risks as the foreign securities that they evidence or into which they may be converted. Certain depositary receipts are not listed on an exchange and therefore may be considered to be illiquid securities.

Derivatives risk – derivatives may be volatile and may involve significant risks. The underlying security, commodity, measure or other instrument on which a derivative is based, or the derivative itself, may not perform as expected. Certain derivatives may involve leverage, which means that their use can significantly magnify the effect of price movements of the underlying securities or reference measures, disproportionately increasing the Fund’s losses and reducing the Fund’s opportunities for gains. Some derivatives have the potential for unlimited loss, including a loss that may be greater than the amount invested. They also present default risks if the counterparty to a derivatives contract fails to fulfill its obligations to the Fund. Certain derivatives held by the Fund may be illiquid, making it difficult to close out an unfavorable position. Derivatives may also be more difficult to purchase, sell or value than other instruments.

Futures – the prices of futures contracts are typically more volatile than those of stocks and bonds. Small movements in the values of the assets or measures underlying futures contracts can cause disproportionately larger losses to the Fund. While futures may be more liquid than other types of derivatives, they may experience periods when they are less liquid than stocks, bonds or other investments.

In addition to these risks, the Fund’s subadviser may select securities that underperform the stock market, the Fund’s benchmark or other mutual funds with similar investment objectives and strategies. If the value of the Fund’s investments goes down, you may lose money.

Performance

The returns presented for the Fund reflect the performance of the HighMark Large Cap Core Equity Fund, a former series of HighMark Funds (the “Predecessor Fund”). The Fund has adopted

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the historical performance of the Predecessor Fund as the result of a reorganization in which the Fund acquired all of the assets, subject to the liabilities, of the Predecessor Fund on September 16, 2013. The Fund and the Predecessor Fund have substantially similar investment goals and strategies.

The following bar chart and table can help you evaluate the Fund’s potential risks. The bar chart shows how the Fund’s annual total returns have varied from year to year. These returns do not reflect the impact of sales charges. If sales charges were reflected, the annual total returns would be lower than those shown. The table compares the Fund’s average annual total returns to the returns of a broad-based securities index. Remember, however, that past performance (before and after taxes) is not necessarily indicative of how the Fund will perform in the future. Updated performance information is available at no cost by visiting nationwide.com/mutualfunds or by calling 800-848-0920.

Annual Total Returns – Class A Shares

(Years Ended December 31,)

Best quarter:     17.24% – 2nd qtr. 2009

Worst quarter:     -22.46% – 4th qtr. 2008

Year-to-date total return as of September 30, 2013: 19.02%

After-tax returns are shown for Class A shares only and will vary for other classes. After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect state and local taxes. Your actual after-tax return depends on your personal tax situation and may differ from what is shown here. After-tax returns are not relevant to investors in tax-deferred arrangements, such as individual retirement accounts, 401(k) plans or certain other employer-sponsored retirement plans.

Historical performance for Class A, Class C and Institutional Service Class shares is based on the previous performance of Class A, Class C and Fiduciary Class Shares, respectively, of the Predecessor Fund. The Fund commenced offering Institutional Class shares on September 18, 2013. Therefore, pre-inception historical performance of Institutional Class shares is based on the previous performance of the Predecessor Fund’s Fiduciary Class Shares. Performance for Institutional Class shares has not been adjusted to reflect that share class’s lower expenses than those of the Predecessor Fund’s Fiduciary Class Shares.

Average Annual Total Returns

For the Periods Ended December 31, 2012

	1 Year		5 Years		10 Years/ Since Inception
Class A shares – Before Taxes		11.46%		1.11%		5.66%
Class A shares – After Taxes on Distributions		11.32%		0.95%		5.47%
Class A shares – After Taxes on Distributions and Sales of Shares		7.62%		0.91%		4.94%
Class C shares		16.16%		1.60%		3.92%	*
Institutional Class shares		18.25%		2.56%		6.55%
Institutional Service Class shares		18.25%		2.56%		6.55%
S&P 500 Index (The Index does not pay sales charges, fees, expenses or taxes.)		16.00%		1.66%		7.10%

* Class C shares of the Predecessor Fund commenced operations on November 28, 2003.

Portfolio Management

Investment Adviser

Nationwide Fund Advisors

Subadviser

HighMark Capital Management, Inc. (“HighMark”)

Portfolio Managers

Portfolio Manager	Title	Length of Service with Fund (and Predecessor Fund)
Derek Izuel	Vice President and Chief Equity Officer, HighMark	Since 2008
Edward Herbert	Vice President and Quantitative Analyst, HighMark	Since 2012

Purchase and Sale of Fund Shares

Minimum Initial Investment

Classes A, C: $2,000

Institutional Service Class: $50,000

Institutional Class: $1,000,000

Automatic Asset Accumulation Plan (Classes A, C): $0*

* Provided each monthly purchase is at least $50

Minimum Additional Investment

Classes A, C: $100

Automatic Asset Accumulation Plan (Classes A, C): $50

In general, you can buy or sell (redeem) shares of the Fund by mail or phone on any business day. You can generally pay for shares by check or wire.

To Purchase and Sell (Redeem) Fund Shares
Mail: Nationwide Funds P.O. Box 701 Milwaukee, WI 53201-0701	Overnight: Nationwide Funds 615 East Michigan Street Third Floor Milwaukee, WI 53202	Website: nationwide.com/ mutualfunds
Phone: 800-848-0920 (toll free). Representatives are available 9 a.m. – 8 p.m. Eastern time, Monday through Friday.

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Tax Information

The Fund’s distributions are taxable, and generally will be taxed as ordinary income, capital gains, or some combination of both, unless you are investing through a tax-deferred arrangement, such as a 401(k) plan or an individual retirement account, in which case your distributions generally will be taxed when withdrawn from the tax-deferred account.

Payments to Broker-Dealers and Other Financial Intermediaries

If you purchase the Fund through a broker-dealer or other financial intermediary (such as a bank), the Fund and its related companies may pay the intermediary for the sale of Fund shares and related services. These payments may create a conflict of interest by influencing the broker-dealer or other intermediary and your salesperson to recommend the Fund over another investment. Ask your salesperson or visit your financial intermediary’s website for more information.

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