August 2, 2021 3:46 PM EDT

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Mutual Funds
Rydex Funds Summary Prospectus
Investor Class and Class H
Ticker Symbol
Fund Name
Investor Class
Class H
Energy Fund
Before you invest, you may wish to review the Fund’s Prospectus, which contains more information about the Fund and its risks. You may obtain the Prospectus and other information about the Fund, including the Statement of Additional Information (SAI) and most recent reports to shareholders, at no cost by visiting, calling 800.820.0888 or e-mailing The Fund’s Prospectus and SAI, both dated August 1, 2021, as revised from time to time, and the Fund’s most recent shareholder reports, are incorporated by reference into this Summary Prospectus.

Energy Fund
The Energy Fund (the “Fund”) seeks to provide capital appreciation by investing in companies involved in the energy field, including the exploration, production, and development of oil, gas, coal and alternative sources of energy (“Energy Companies”).
This table describes the fees and expenses that you may pay if you buy, hold and sell Investor Class shares or Class H shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.
Class H
SHAREHOLDER FEES(fees paid directly from your investment)
(expenses that you pay each year as a percentage of the value of your investment)
Class H
Management Fees
Distribution and/or Service (12b-1) Fees
Other Expenses
Total Annual Fund Operating Expenses
This Example is intended to help you 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 redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. 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
Investor Class
Class H
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 the Total Annual Fund Operating Expenses or the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 939% of the average value of its portfolio. The Fund’s portfolio turnover rate is calculated without regard to cash instruments and most derivatives. If such instruments were included, the Fund’s portfolio turnover rate might be significantly higher.
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Energy Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Advisor employs a proprietary quantitative and qualitative methodology to identify Energy Companies in which to invest. The methodology utilizes screens based on price, liquidity, and tradability. Stocks are weighted using a proprietary modified capitalization weighting methodology. The portfolio may be further adjusted to comply with regulatory investment limitations or as determined appropriate by the Advisor.

The Fund may invest to a significant extent in the securities of Energy Companies that have small to mid-sized capitalizations. Energy Companies are involved in all aspects of the energy industry, including the conventional areas of oil, gas, electricity, and coal, and alternative sources of energy such as nuclear, geothermal, oil shale, and solar power, and include companies that produce, transmit, market, distribute or measure energy; companies involved in providing products and services to companies in the energy field; and companies involved in the exploration of new sources of energy, conservation, and energy-related pollution control. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Energy Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.
In an effort to ensure that the Fund is fully invested on a day-to-day basis, the Fund may conduct any necessary trading activity at or just prior to the close of the U.S. financial markets. As of June 30, 2021, the Fund has significant exposure to the Energy Sector, as that sector is defined by the Global Industry Classification Standard, a widely recognized industry classification methodology developed by MSCI, Inc. and Standard & Poor’s Financial Services LLC. Also, as of June 30, 2021, the Fund’s investments are concentrated (i.e., more than 25% of its assets) in securities issued by companies in the Oil, Gas & Consumable Fuels Industry, a separate industry within the Energy Sector.
As with all mutual funds, a shareholder is subject to the risk that his or her investment could lose money. In addition to this risk, the Fund is subject to the principal risks described below.
Depositary Receipt Risk—The Fund may hold the securities of non-U.S. companies in the form of depositary receipts. The underlying securities of the depositary receipts in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the depositary receipts may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.
Derivatives Risk—Derivatives may pose risks in addition to and greater than those associated with investing directly in securities, currencies or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. In addition, the Fund’s use of derivatives may cause the Fund to realize higher amounts of short-term capital gains (generally taxed at ordinary income tax rates) than if the Fund had not used such instruments. Some of the derivatives in which the Fund invests may be traded (and privately negotiated) in the over-the-counter (“OTC”) market. OTC derivatives are subject to heightened counterparty credit, liquidity and valuation risks. Certain risks also are specific to the derivatives in which the Fund invests.
Futures Contracts Risk—Futures contracts are exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying assets. In addition, there is a risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s net asset value (“NAV”) per share. Futures are also subject to leverage and liquidity risks.

Options Risk—Options and options on futures contracts give the holder of the option the right, but not the obligation, to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. Options are subject to correlation risk because there may be an imperfect correlation between the options and the markets for underlying instruments that could cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to predict correctly future price fluctuations and the degree of correlation between the markets for options and the underlying instruments. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.
Early Closing Risk—The Fund is subject to the risk that unanticipated early closings of securities exchanges and other financial markets may result in the Fund’s inability to buy or sell securities or other financial instruments on that day and may cause the Fund to incur substantial trading losses.
Equity Securities Risk—Equity securities include common stocks and other equity and equity-related securities (and securities convertible into stocks). The prices of equity securities generally fluctuate in value more than fixed-income investments, may rise or fall rapidly or unpredictably and may reflect real or perceived changes in the issuing company’s financial condition and changes in the overall market or economy. A decline in the value of equity securities held by the Fund will adversely affect the value of your investment in the Fund. Common stocks generally represent the riskiest investment in a company and dividend payments (if declared) to preferred stockholders generally rank junior to payments due to a company’s debtholders. The Fund may lose a substantial part, or even all, of its investment in a company’s stock.
Foreign Issuer Exposure Risk—The Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.
Industry Concentration Risk—The Fund expects to concentrate (i.e., invest more than 25% of its net assets) its investments in a limited number of issuers conducting business in the same industry or group of related industries. To the extent the Fund does so, the Fund is more vulnerable to adverse market, economic, regulatory, political or other developments affecting that industry or group of related industries than a fund that invests its assets more broadly. As of June 30, 2021, the Fund’s investments are concentrated in securities issued by companies in the Oil, Gas & Consumable Fuels Industry. As a result of the Fund’s concentration in the Oil, Gas & Consumable Fuels Industry, the Fund is subject to the risks associated with that Industry. The Oil, Gas & Consumable Fuels Industry includes companies engaged in oil and gas exploration and production (including integrated oil and gas exploration), oil and gas refining and marketing, oil and gas storage and transportation, and production and mining of coal and consumable fuels. The prices of the securities of companies in the Oil, Gas & Consumable Fuels Industry may fluctuate widely due to supply and demand for a specific product or service, the price of oil and gas, exploration and production spending, world events, and economic conditions. Natural disasters and changes in exchange rates and interest rates also may affect companies in the Oil, Gas & Consumable Fuels Industry. In addition, the policies of the Organization of Petroleum Exporting Countries (“OPEC”), changes in relationships among OPEC members and between OPEC and oil-importing nations, the regulatory environment, taxation policies, and the economies of the key energy consuming countries also may affect the prices of the securities in the Oil, Gas & Consumable Fuels Industry. Legislative or regulatory changes and increased government supervision also may affect companies in the Oil, Gas & Consumable Fuels Industry. The Oil, Gas & Consumable Fuels Industry is a separate industry within the Energy Sector.
Market Risk—The value of, or income generated by, the investments held by the Fund may fluctuate rapidly and unpredictably and the Fund may incur losses as a result of factors affecting individual companies or issuers or particular industries. In addition, developments related to economic, political, social, public health, market or other conditions may cause volatility in financial markets and reduced liquidity in equity, credit and/or debt markets, which could adversely impact the Fund and its investments. Under such conditions, the Fund may experience significant redemption activity by shareholders and could be forced to sell portfolio securities or other assets at unfavorable prices in an effort to generate sufficient cash to pay redeeming shareholders. The Fund’s investments may perform poorly or underperform the general securities markets or other types of securities. Governmental authorities and regulators have enacted and continue to enact significant fiscal and monetary policy changes designed to support financial markets, which present heightened risks to markets and Fund investments and are resulting in low interest

rates and in some cases, negative yields, and such risks could be even further heightened if these actions are discontinued, disrupted, reversed or are ineffective in achieving their desired outcomes. It is unknown how long current circumstances will persist, whether they will reoccur in the future and whether efforts to support the economy and financial markets will be successful.
Mid-Capitalization Securities Risk—The Fund is subject to the risk that mid-capitalization securities may underperform other segments of the equity market or the equity market as a whole. Securities of mid-capitalization companies may be more speculative, volatile and less liquid than securities of large companies. Mid-capitalization companies tend to have inexperienced management as well as limited product and market diversification and financial resources and may be more vulnerable to adverse developments than large capitalization companies.
Portfolio Turnover Risk—The Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.
Regulatory and Legal Risk—U.S. and non-U.S. governmental agencies and other regulators regularly implement additional regulations and legislators pass new laws that affect the investments held by the Fund, the strategies used by the Fund or the level of regulation or taxation applying to the Fund (such as regulations related to investments in derivatives and other transactions). These regulations and laws impact the investment strategies, performance, costs and operations of the Fund or taxation of shareholders.
Sector Risk—The Fund is subject to the Sector Risk described below.
Energy Sector Risk. The Fund's investments are exposed to issuers conducting business in the Energy Sector. The Energy Sector includes companies operating in the exploration and production, refining and marketing, and storage and transportation of oil and gas and coal and consumable fuels. It also includes companies that offer oil and gas equipment and related services. The Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting the Energy Sector. The performance of companies operating in the Energy Sector is closely tied to the price and supply of energy fuels and international political events.
Shareholder Trading Risk—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.
Small-Capitalization Securities Risk—The Fund is subject to the risk that small-capitalization securities may underperform other segments of the equity market or the equity market as a whole. Securities of small-capitalization companies may be more speculative, volatile and less liquid than securities of larger companies. Small-capitalization companies tend to have inexperienced management as well as limited product and market diversification and financial resources and may be more vulnerable to adverse developments than mid- or large-capitalization companies.
Temporary Defensive Investment Risk—The Advisor generally does not attempt to take defensive positions in the Fund in declining markets. Therefore, the Fund may be subject to greater losses in a declining market than a fund that does take defensive positions in declining markets.
Trading Halt Risk—The Fund typically will hold futures contracts and short-term options. The major exchanges on which these contracts are traded, such as the Chicago Mercantile Exchange, have established limits on how much the trading price of a futures contract or option may decline over various time periods within a day, and may halt trading in a contract that exceeds such limits. If a trading halt occurs, the Fund may temporarily be unable to purchase or sell certain securities, futures contracts or options. Such a trading halt near the time the Fund prices its shares may limit the Fund’s ability to fully invest its assets, which could adversely affect performance, and may prevent the Fund from achieving its investment objective.

The following bar chart shows the performance of the Investor Class shares of the Fund from year to year. The variability of performance over time provides an indication of the risks of investing in the Fund. The following tables show the performance of the Investor Class shares and Class H shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its former Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have had annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to that of Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. Of course, this past performance (before and after taxes) does not necessarily indicate how the Fund will perform in the future.
Updated performance information is available on the Fund’s website at or by calling 800.820.0888.
The performance information shown below for Investor Class shares is based on a calendar year.
Period Ending
June 30, 2021
Highest Quarter
June 30, 2020
Lowest Quarter
March 31, 2020
AVERAGE ANNUAL TOTAL RETURNS(for periods ended December 31, 2020)
The after-tax returns presented in the table below are calculated using highest historical individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below. After-tax returns are not relevant to investors who hold shares of the Fund through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Investor Class
1 Year
5 Years
10 Years
Return Before Taxes
Return After Taxes on Distributions
Return After Taxes on Distributions and Sale of Fund
S&P 500® Index (reflects no deduction for fees,
expenses or taxes)

Class H
1 Year
5 Years
10 Years
Return Before Taxes
Return After Taxes on Distributions
Return After Taxes on Distributions and Sale of Fund
S&P 500® Index (reflects no deduction for fees,
expenses or taxes)
Security Investors, LLC, which operates under the name Guggenheim Investments, serves as the investment adviser of the Fund.
Michael P. Byrum, CFA, Senior Vice President. Mr. Byrum has been associated with the Advisor since 1993.
Ryan A. Harder, CFA, Portfolio Manager. Mr. Harder has been associated with the Advisor since 2004.
The minimum initial investment amounts and minimum account balance requirements for Investor Class and Class H accounts held through a third party (e.g., a brokerage account) are typically:
$1,000 for retirement accounts
$2,500 for all other accounts
Investor Class and Class H accounts opened through a financial intermediary (non-direct) will be subject to your financial intermediary’s minimum initial investment amount and account balance requirements, which may be different than the amounts above.
Investor Class and Class H accounts held directly at Guggenheim Investments (other than those that are managed by financial professionals) are subject to a minimum initial investment and account balance of $5,000 (including retirement accounts).
Direct accounts managed by financial professionals are not subject to minimum initial investment and minimum account balance requirements.
There are no minimum amounts for subsequent investments in the Fund except for subsequent investments made via Automated Clearing House (“ACH”).
The Fund reserves the right to modify its minimum account balance requirements at any time, with or without prior notice to you.
The Fund redeems its shares continuously and investors may sell their shares back to the Fund on any day that the New York Stock Exchange (the “NYSE”) is open for business (a “Business Day”). You will ordinarily submit your transaction order through your financial intermediary or other securities dealers through which you opened your shareholder account or through Guggenheim Investments directly. The Fund also offers you the option to send redemption orders to Guggenheim Investments by mail, fax or telephone.
Fund distributions are generally taxable as ordinary income, qualified dividend income, or capital gains (or a combination thereof), unless your investment is in an IRA or other tax-advantaged retirement account. Investments through a tax-advantaged retirement account may be subject to taxation upon withdrawal.

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 sales person to recommend the Fund over another investment. Ask your sales person or visit your financial intermediary’s website for more information.

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