T. Rowe Price Institutional Equity Funds N-CSRSCertified semi-annual shareholder report (management investment company)

HIGHLIGHTS

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CIO Market Commentary

Dear Investor

Global stock markets produced strong returns during the first half of 2021, while rising yields weighed on returns in some bond sectors. Investor sentiment was buoyed by the reopening of developed market economies, unprecedented fiscal and monetary stimulus, and expectations that the economy would benefit from a release of pent-up demand.

All major global and regional equity benchmarks recorded positive results during the period. Developed market stocks generally outperformed emerging markets, while in the U.S., small-cap equities outpaced large-caps and value performed better than growth. The large-cap S&P 500 Index returned 15% and finished the period at a record high. The energy sector, which was the worst performer in 2020, was the leader for the six-month period amid a sharp increase in oil prices. Financial stocks also produced strong results as banks benefited from an increase in long-term interest rates, while the real estate sector was helped by a rollback in many pandemic-related restrictions. Utilities underperformed with slight gains.

Fiscal and monetary support remained a key factor in providing a positive backdrop for markets. President Joe Biden signed the $1.9 trillion American Rescue Plan Act into law in March, and the Federal Reserve kept its short-term lending rates near zero. However, as a result of strong economic growth, central bank policymakers revised their outlook in a somewhat less dovish direction near the end of the period and indicated that rate hikes could commence in 2023, which was earlier than previously expected.

The economic recovery was evident in a variety of indicators. According to the latest estimate, U.S. gross domestic product grew at an annualized rate of 6.4% in the first quarter of 2021 following 4.3% growth in the fourth quarter of 2020. Weekly jobless claims declined throughout the period to new pandemic-era lows, although the monthly nonfarm payroll report disappointed at times as employers struggled to fill positions. Meanwhile, overall profits for companies in the S&P 500 rose by nearly 53% year over year in the first quarter, according to FactSet—the best showing since late 2009.

However, less favorably, inflation concerns led to some volatility in the equity market and caused a sharp rise in longer-term Treasury yields in the first quarter. (Bond prices and yields move in opposite directions.) While inflation measures were above the Fed’s 2% long-term inflation target toward the end of our reporting period—core consumer prices, for example, recorded their largest annual increase (3.8%) since 1992 in May—investors seemed to accept the Fed’s determination that rising price pressures were due to transitory factors arising from the reopening of the global economy.

Longer-term Treasury yields trended lower as inflation expectations began to wane later in the period, but they still finished significantly higher than they were at the end of 2020. Rising yields were a headwind for many fixed income investors; however, high yield bonds, which are less sensitive to interest rate changes, produced solid results, and investment-grade corporate bonds also performed well amid solid corporate fundamentals.

As we look ahead, the central question for investors—assuming the economy’s recovery from the pandemic continues apace—is whether the returns on financial assets will be as robust. Valuations are elevated in nearly all asset classes, and, in some areas, there are clear signs of speculation. That said, a transformed global economic landscape is generating potential opportunities as well as risks. Post-pandemic trends have the potential to create both winners and losers, giving active portfolio managers greater scope to seek excess returns. It is not an easy environment to invest in, but our investment teams remain rooted in company fundamentals and focused on the long term, and they will continue to apply strong fundamental analysis as they seek out the best investments for your portfolio.

Thank you for your continued confidence in T. Rowe Price.

Sincerely,

Robert Sharps
Group Chief Investment Officer

Management’s Discussion of Fund Performance

INVESTMENT OBJECTIVE

The fund seeks to provide long-term capital appreciation by investing in mid-cap stocks with potential for above-average earnings growth.

FUND COMMENTARY

How did the fund perform in the past six months?

The Institutional Mid-Cap Equity Growth Fund returned 10.07% for the six months ended June 30, 2021. The fund underperformed the Russell Midcap Growth Index, which returned 10.44%, but outperformed the return of its peer group, the Lipper Mid-Cap Growth Funds Index, which rose 8.78%. (Past performance cannot guarantee future results.)

What factors influenced the fund’s performance?

It was a tale of two quarters as the rotation out of richly valued equities in the first half of the period boosted our performance relative to the benchmark, but we lost the ground we’d gained as a reversion to outperformance from speculative and expensive stocks late in the period benefited the more aggressively positioned benchmark. On a relative basis, the health care and industrials and business services sectors detracted the most from performance, while the information technology (IT) and financials sectors added value.

Health care was the largest detractor from relative results, with several holdings affected by the coronavirus pandemic. Our position in Hologic hindered relative returns. Shares were driven lower by the continued decline in COVID-19 testing sales due to decreased testing volume and customer de-stocking. We retain a positive outlook for Hologic and believe its women’s health unit has a favorable long-term growth profile and that COVID-19 testing is likely to remain more durable than the market expects. Medical device manufacturer Teleflex also lagged over the period due to coronavirus-driven delays in non-urgent medical procedures. Teleflex has a strong management team with a long record of good capital deployment, which we believe gives the company potential to continue compounding growth. (Please refer to the portfolio of investments for a complete list of holdings and the amount each represents in the portfolio.)

In the industrials and business services sector, shares of solar tracking company Array Technologies plunged on the announcement that the company would not be able to affirm recently provided fiscal year guidance given elevated steel and freight prices. Though we believe higher costs will be transitory, we remain concerned about margin pressure and the durability of Array Technologies’ competitive position in the face of new market entrants.

On the positive side, our relentless focus on quality and growth at a reasonable price within IT added value as our stock selection and significant underweight allocation both aided relative results. We avoided several highly valued software names that lost meaningful ground over the period, while semiconductor holding Marvell Technology and radio frequency semiconductor manufacturer Skyworks Solutions delivered strong performance over the period. Supply chain disruption and tight chip inventories at a time of rising demand served as a tailwind to the industry, which we have long favored for superior growth versus other cyclical industries. Despite recent strength, both companies continue to trade at very reasonable valuations, in our view.

Stock selection in financials was also strong, with shares of New York private equity manager KKR meaningfully outperforming over the period. The company continues to benefit from a compelling environment for investment activity and capital raises. It deployed record capital in the fourth quarter of 2020 and announced unexpectedly strong intra-quarter monetization income in late June. We expect the upcoming acquisition of insurance platform Global Atlantic to improve KKR’s recurring management fee profile and earnings growth.

How is the fund positioned?

In the midst of a rapidly rising market that has favored highflying, high-sales-growth companies regardless of profitability, we maintained our time-tested, disciplined approach. While it’s unclear how long this challenging environment will persist, we recognize the value of focusing on quality companies with durable growth prospects and prudent balance sheets. We like the companies that we hold and sought to opportunistically increase existing positions, as well as to add new names that fit our investment criteria. We found such opportunities across various sectors, from our larger areas of investment, like IT, to smaller allocations, like communication services. Sell activity, on the other hand, was largely motivated by merger and acquisition activity and runups in performance.

IT is the second-largest area of investment, but it remained our largest underweight versus the benchmark, as we believe the valuations of many of these names, particularly in software and pockets of IT services, to be disconnected from their fundamentals. Nevertheless, we have found several opportunities in companies trading at reasonable valuations; for example, we initiated a position in Fortinet and increased our stake in PTC. We favor cybersecurity company Fortinet for its long record of profitability and steady growth characteristics. We believe that the company is well positioned to continue taking share and compound free cash flow amid the coronavirus-driven shift to remote working and cloud computing, which have highlighted the importance of network security. We took advantage of recent share price weakness to increase the portfolio’s position in PTC, a leading software developer for computer-aided design, product life cycle management, and the industrial Internet of Things (IIoT). Shares have been pressured by an uneven recovery across its end markets. We believe the company has a sustainably differentiated position in the IIoT market given its domain expertise, early mover’s advantage, and ability to integrate with core software. On the sale side, we exited analog semiconductor company Maxim Integrated Products, which is being acquired by specialized semiconductor maker Analog Devices.

The communication services sector represents a small allocation for the fund, but it accounted for some of the larger trades during the period. We increased the portfolio’s position in Spotify. We like the company as it is quickly becoming synonymous with music streaming. In addition to high-margin advertising, we believe Spotify’s scale will translate to added negotiating power with music labels, fueling margin growth. We initiated a position in high-growth e-commerce platform Pinterest on recent share price weakness. We think Pinterest is vastly under-monetized relative to its peers. Its platform is entirely composed of user-generated content and therefore carries no cost for the company, which could enable significant margin potential. Management’s efforts to increase the “shopability” of the platform, an enhancement desired by its user base, provides another potential pathway to growth. We trimmed our stake in online dating company Match. Shares have been lifted by reopening activity, with strong growth not only in the core Tinder platform but also in newer apps, like Hinge. We maintain a positive view of the company as we believe Match is a durable growth winner in its industry and is poised to benefit the most from network effects; in other words, its services will prove more valuable as its usage increases, an important determinant for success.

What is portfolio management’s outlook?

Although U.S. stocks produced robust returns, there were periods of volatility driven by a marked factor rotation as investors ping-ponged between favoring growth and value stocks. Indeed, the valuation and quality focus of February and March gave way to a market that was mixed in the latter half of the period—favoring both high-growth tech and energy at times—but clearly didn’t embrace durable growth and risk awareness.

While we believe the market is ripe for a correction to the benefit of the quality-minded, risk-aware investor, it is difficult to say what might trigger that rotation. As the global economy slowly but surely moves beyond the pandemic-induced hardships of the past year, we see a path for growth to extend to attractively valued but ignored companies that feature fundamentally sound but temporarily impaired businesses ready to participate in economic reacceleration and a “return to normal.”

The current market environment has echoes of 1999, a past period of exuberance that challenged fund performance. We remain committed to our durable investment process, which has shown to be resilient over time. We continue to seek out reasonably valued equities with strong fundamental underpinnings and pay careful attention to risk and valuation relative to growth prospects. We believe this disciplined, time-tested approach will help us continue to serve clients well over the long term.

The views expressed reflect the opinions of T. Rowe Price as of the date of this report and are subject to change based on changes in market, economic, or other conditions. These views are not intended to be a forecast of future events and are no guarantee of future results.

RISKS OF INVESTING IN THE FUND

PRINCIPAL RISKS

As with any fund, there is no guarantee that the fund will achieve its objectives. The fund’s share price fluctuates, which means you could lose money by investing in the fund. The principal risks of investing in this fund, which may be even greater during periods of market disruption or volatility, are summarized as follows:

Market conditions. The value of the fund’s investments may decrease, sometimes rapidly or unexpectedly, due to factors affecting an issuer held by the fund, particular industries, or the overall securities markets. A variety of factors can increase the volatility of the fund’s holdings and markets generally, including political or regulatory developments, recessions, inflation, rapid interest rate changes, war or acts of terrorism, natural disasters, and outbreaks of infectious illnesses or other widespread public health issues. Certain events may cause instability across global markets, including reduced liquidity and disruptions in trading markets, while some events may affect certain geographic regions, countries, sectors, and industries more significantly than others. These adverse developments may cause broad declines in market value due to short-term market movements or for significantly longer periods during more prolonged market downturns.

Mid-cap stocks. Investments in securities issued by mid-cap companies are likely to be more volatile than investments in securities issued by larger companies. Medium-sized companies may have less experienced management, narrower product lines, and less capital reserves and liquidity than larger companies and are therefore more sensitive to economic, market, and industry changes.

Growth investing. The fund’s growth approach to investing could cause it to underperform other stock funds that employ a different investment style. Growth stocks tend to be more volatile than certain other types of stocks, and their prices may fluctuate more dramatically than the overall stock market. A stock with growth characteristics can have sharp price declines due to decreases in current or expected earnings and may lack dividends that can help cushion its share price in a declining market.

BENCHMARK INFORMATION

Note: Lipper, a Thomson Reuters Company, is the source for all Lipper content reflected in these materials. Copyright 2021 © Refinitiv. All rights reserved. Any copying, republication or redistribution of Lipper content is expressly prohibited without the prior written consent of Lipper. Lipper shall not be liable for any errors or delays in the content, or for any actions taken in reliance thereon.

Note: Frank Russell Company (Russell) is the source and owner of the Russell index data contained or reflected in these materials and all trademarks and copyrights related thereto. Russell^® is a registered trademark of Russell. Russell is not responsible for the formatting or configuration of these materials or for any inaccuracy in T. Rowe Price Associates’ presentation thereof.

GROWTH OF $1 MILLION

This table shows the value of a hypothetical $1 million investment in the fund over the past 10 fiscal year periods or since inception (for funds lacking 10-year records). The result is compared with benchmarks, which include a broad-based market index and may also include a peer group average or index. Market indexes do not include expenses, which are deducted from fund returns as well as mutual fund averages and indexes.

AVERAGE ANNUAL COMPOUND TOTAL RETURN

FUND EXPENSE EXAMPLE

As a mutual fund shareholder, you may incur two types of costs: (1) transaction costs, such as redemption fees or sales loads, and (2) ongoing costs, including management fees, distribution and service (12b-1) fees, and other fund expenses. The following example is intended to help you understand your ongoing costs (in dollars) of investing in the fund and to compare these costs with the ongoing costs of investing in other mutual funds. The example is based on an investment of $1,000 invested at the beginning of the most recent six-month period and held for the entire period.

Actual Expenses
The first line of the following table (Actual) provides information about actual account values and actual expenses. You may use the information on this line, together with your account balance, to estimate the expenses that you paid over the period. Simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number on the first line under the heading “Expenses Paid During Period” to estimate the expenses you paid on your account during this period.

Hypothetical Example for Comparison Purposes
The information on the second line of the table (Hypothetical) is based on hypothetical account values and expenses derived from the fund’s actual expense ratio and an assumed 5% per year rate of return before expenses (not the fund’s actual return). You may compare the ongoing costs of investing in the fund with other funds by contrasting this 5% hypothetical example and the 5% hypothetical examples that appear in the shareholder reports of the other funds. The hypothetical account values and expenses may not be used to estimate the actual ending account balance or expenses you paid for the period.

You should also be aware that the expenses shown in the table highlight only your ongoing costs and do not reflect any transaction costs, such as redemption fees or sales loads. Therefore, the second line of the table is useful in comparing ongoing costs only and will not help you determine the relative total costs of owning different funds. To the extent a fund charges transaction costs, however, the total cost of owning that fund is higher.

Unaudited

The accompanying notes are an integral part of these financial statements.

June 30, 2021 (Unaudited)

The accompanying notes are an integral part of these financial statements.

June 30, 2021 (Unaudited)

The accompanying notes are an integral part of these financial statements.

Unaudited

The accompanying notes are an integral part of these financial statements.

Unaudited

The accompanying notes are an integral part of these financial statements.

Unaudited

T. Rowe Price Equity Funds, Inc. (the corporation) is registered under the Investment Company Act of 1940 (the 1940 Act). The Institutional Mid-Cap Equity Growth Fund (the fund) is a diversified, open-end management investment company established by the corporation. The fund seeks to provide long-term capital appreciation by investing in mid-cap stocks with potential for above-average earnings growth.

NOTE 1 - SIGNIFICANT ACCOUNTING POLICIES

Basis of Preparation The fund is an investment company and follows accounting and reporting guidance in the Financial Accounting Standards Board (FASB) Accounting Standards Codification Topic 946 (ASC 946). The accompanying financial statements were prepared in accordance with accounting principles generally accepted in the United States of America (GAAP), including, but not limited to, ASC 946. GAAP requires the use of estimates made by management. Management believes that estimates and valuations are appropriate; however, actual results may differ from those estimates, and the valuations reflected in the accompanying financial statements may differ from the value ultimately realized upon sale or maturity.

Investment Transactions, Investment Income, and Distributions Investment transactions are accounted for on the trade date basis. Income and expenses are recorded on the accrual basis. Realized gains and losses are reported on the identified cost basis. Income tax-related interest and penalties, if incurred, are recorded as income tax expense. Dividends received from mutual fund investments are reflected as dividend income; capital gain distributions are reflected as realized gain/loss. Dividend income and capital gain distributions are recorded on the ex-dividend date. Non-cash dividends, if any, are recorded at the fair market value of the asset received. Distributions to shareholders are recorded on the ex-dividend date. Income distributions, if any, are declared and paid annually. A capital gain distribution may also be declared and paid by the fund annually.

Currency Translation Assets, including investments, and liabilities denominated in foreign currencies are translated into U.S. dollar values each day at the prevailing exchange rate, using the mean of the bid and asked prices of such currencies against U.S. dollars as provided by an outside pricing service. Purchases and sales of securities, income, and expenses are translated into U.S. dollars at the prevailing exchange rate on the respective date of such transaction. The effect of changes in foreign currency exchange rates on realized and unrealized security gains and losses is not bifurcated from the portion attributable to changes in market prices.

In-Kind Subscriptions Under certain circumstances, and when considered to be in the best interest of all shareholders, the fund may accept portfolio securities rather than cash as payment for the purchase of fund shares (in-kind subscription). For financial reporting and tax purposes, the cost basis of contributed securities is equal to the market value of the securities on the date of contribution. In-kind subscriptions result in no gain or loss and no tax consequences for the fund. During the six months ended June 30, 2021, the fund accepted $29,180,000 of in-kind subscriptions.

Capital Transactions Each investor’s interest in the net assets of the fund is represented by fund shares. The fund’s net asset value (NAV) per share is computed at the close of the New York Stock Exchange (NYSE), normally 4 p.m. ET, each day the NYSE is open for business. However, the NAV per share may be calculated at a time other than the normal close of the NYSE if trading on the NYSE is restricted, if the NYSE closes earlier, or as may be permitted by the SEC. Purchases and redemptions of fund shares are transacted at the next-computed NAV per share, after receipt of the transaction order by T. Rowe Price Associates, Inc., or its agents.

Indemnification In the normal course of business, the fund may provide indemnification in connection with its officers and directors, service providers, and/or private company investments. The fund’s maximum exposure under these arrangements is unknown; however, the risk of material loss is currently considered to be remote.

NOTE 2 - VALUATION

Fair Value The fund’s financial instruments are valued at the close of the NYSE and are reported at fair value, which GAAP defines as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The T. Rowe Price Valuation Committee (the Valuation Committee) is an internal committee that has been delegated certain responsibilities by the fund’s Board of Directors (the Board) to ensure that financial instruments are appropriately priced at fair value in accordance with GAAP and the 1940 Act. Subject to oversight by the Board, the Valuation Committee develops and oversees pricing-related policies and procedures and approves all fair value determinations. Specifically, the Valuation Committee establishes policies and procedures used in valuing financial instruments, including those which cannot be valued in accordance with normal procedures or using pricing vendors; determines pricing techniques, sources, and persons eligible to effect fair value pricing actions; evaluates the services and performance of the pricing vendors; oversees the pricing process to ensure policies and procedures are being followed; and provides guidance on internal controls and valuation-related matters. The Valuation Committee provides periodic reporting to the Board on valuation matters.

Various valuation techniques and inputs are used to determine the fair value of financial instruments. GAAP establishes the following fair value hierarchy that categorizes the inputs used to measure fair value:

Level 1 – quoted prices (unadjusted) in active markets for identical financial instruments that the fund can access at the reporting date

Level 2 – inputs other than Level 1 quoted prices that are observable, either directly or indirectly (including, but not limited to, quoted prices for similar financial instruments in active markets, quoted prices for identical or similar financial instruments in inactive markets, interest rates and yield curves, implied volatilities, and credit spreads)

Level 3 – unobservable inputs (including the fund’s own assumptions in determining fair value)

Observable inputs are developed using market data, such as publicly available information about actual events or transactions, and reflect the assumptions that market participants would use to price the financial instrument. Unobservable inputs are those for which market data are not available and are developed using the best information available about the assumptions that market participants would use to price the financial instrument. GAAP requires valuation techniques to maximize the use of relevant observable inputs and minimize the use of unobservable inputs. When multiple inputs are used to derive fair value, the financial instrument is assigned to the level within the fair value hierarchy based on the lowest-level input that is significant to the fair value of the financial instrument. Input levels are not necessarily an indication of the risk or liquidity associated with financial instruments at that level but rather the degree of judgment used in determining those values.

Valuation Techniques Equity securities, including exchange-traded funds, listed or regularly traded on a securities exchange or in the over-the-counter (OTC) market are valued at the last quoted sale price or, for certain markets, the official closing price at the time the valuations are made. OTC Bulletin Board securities are valued at the mean of the closing bid and asked prices. A security that is listed or traded on more than one exchange is valued at the quotation on the exchange determined to be the primary market for such security. Listed securities not traded on a particular day are valued at the mean of the closing bid and asked prices for domestic securities and the last quoted sale or closing price for international securities.

The last quoted prices of non-U.S. equity securities may be adjusted to reflect the fair value of such securities at the close of the NYSE, if the fund determines that developments between the close of a foreign market and the close of the NYSE will affect the value of some or all of its portfolio securities. Each business day, the fund uses information from outside pricing services to evaluate and, if appropriate, decide whether it is necessary to adjust quoted prices to reflect fair value by reviewing a variety of factors, including developments in foreign markets, the performance of U.S. securities markets, and the performance of instruments trading in U.S. markets that represent foreign securities and baskets of foreign securities. The fund uses outside pricing services to provide it with quoted prices and information to evaluate or adjust those prices. The fund cannot predict how often it will use quoted prices and how often it will determine it necessary to adjust those prices to reflect fair value.

Investments in mutual funds are valued at the mutual fund’s closing NAV per share on the day of valuation. Assets and liabilities other than financial instruments, including short-term receivables and payables, are carried at cost, or estimated realizable value, if less, which approximates fair value.

Investments for which market quotations or market-based valuations are not readily available or deemed unreliable are valued at fair value as determined in good faith by the Valuation Committee, in accordance with fair valuation policies and procedures. The objective of any fair value pricing determination is to arrive at a price that could reasonably be expected from a current sale. Financial instruments fair valued by the Valuation Committee are primarily private placements, restricted securities, warrants, rights, and other securities that are not publicly traded. Factors used in determining fair value vary by type of investment and may include market or investment specific considerations. The Valuation Committee typically will afford greatest weight to actual prices in arm’s length transactions, to the extent they represent orderly transactions between market participants, transaction information can be reliably obtained, and prices are deemed representative of fair value. However, the Valuation Committee may also consider other valuation methods such as market-based valuation multiples; a discount or premium from market value of a similar, freely traded security of the same issuer; discounted cash flows; yield to maturity; or some combination. Fair value determinations are reviewed on a regular basis and updated as information becomes available, including actual purchase and sale transactions of the investment. Because any fair value determination involves a significant amount of judgment, there is a degree of subjectivity inherent in such pricing decisions, and fair value prices determined by the Valuation Committee could differ from those of other market participants.

Valuation Inputs The following table summarizes the fund’s financial instruments, based on the inputs used to determine their fair values on June 30, 2021 (for further detail by category, please refer to the accompanying Portfolio of Investments):

Following is a reconciliation of the fund’s Level 3 holdings for the six months ended June 30, 2021. Gain (loss) reflects both realized and change in unrealized gain/loss on Level 3 holdings during the period, if any, and is included on the accompanying Statement of Operations. The change in unrealized gain/loss on Level 3 instruments held at June 30, 2021, totaled $93,829,000 for the six months ended June 30, 2021.

NOTE 3 - OTHER INVESTMENT TRANSACTIONS

Consistent with its investment objective, the fund engages in the following practices to manage exposure to certain risks and/or to enhance performance. The investment objective, policies, program, and risk factors of the fund are described more fully in the fund’s prospectus and Statement of Additional Information.

Restricted Securities The fund invests in securities that are subject to legal or contractual restrictions on resale. Prompt sale of such securities at an acceptable price may be difficult and may involve substantial delays and additional costs.

Private Investments Issued by Special Purpose Acquisition Companies Special purpose acquisition companies (SPACs) are shell companies that have no operations but are formed to raise capital with the intention of merging with or acquiring a company with the proceeds of the SPAC’s initial public offering (“IPO”). The fund may enter into a contingent commitment with a SPAC to purchase private investments in public equity (PIPE) if and when the SPAC completes its merger or acquisition. The fund maintains liquid assets sufficient to settle its commitment to purchase the PIPE. However, if the commitment expires, then no shares are purchased. Purchased PIPE shares will be restricted from trading until the registration statement for the shares is declared effective. Upon registration, the shares can be freely sold; however, in certain circumstances, the issuer may have the right to temporarily suspend trading of the shares in the first year after the merger or acquisition. The securities issued by a SPAC may be considered illiquid, more difficult to value, and/or be subject to restrictions on resale.

Securities Lending The fund may lend its securities to approved borrowers to earn additional income. Its securities lending activities are administered by a lending agent in accordance with a securities lending agreement. Security loans generally do not have stated maturity dates, and the fund may recall a security at any time. The fund receives collateral in the form of cash or U.S. government securities. Collateral is maintained over the life of the loan in an amount not less than the value of loaned securities; any additional collateral required due to changes in security values is delivered to the fund the next business day. Cash collateral is invested in accordance with investment guidelines approved by fund management. Additionally, the lending agent indemnifies the fund against losses resulting from borrower default. Although risk is mitigated by the collateral and indemnification, the fund could experience a delay in recovering its securities and a possible loss of income or value if the borrower fails to return the securities, collateral investments decline in value, and the lending agent fails to perform. Securities lending revenue consists of earnings on invested collateral and borrowing fees, net of any rebates to the borrower, compensation to the lending agent, and other administrative costs. In accordance with GAAP, investments made with cash collateral are reflected in the accompanying financial statements, but collateral received in the form of securities is not. At June 30, 2021, there were no securities on loan.

Other Purchases and sales of portfolio securities other than short-term securities aggregated $763,462,000 and $1,474,480,000, respectively, for the six months ended June 30, 2021.

NOTE 4 - FEDERAL INCOME TAXES

No provision for federal income taxes is required since the fund intends to continue to qualify as a regulated investment company under Subchapter M of the Internal Revenue Code and distribute to shareholders all of its taxable income and gains. Distributions determined in accordance with federal income tax regulations may differ in amount or character from net investment income and realized gains for financial reporting purposes. Financial reporting records are adjusted for permanent book/tax differences to reflect tax character but are not adjusted for temporary differences. The amount and character of tax-basis distributions and composition of net assets are finalized at fiscal year-end; accordingly, tax-basis balances have not been determined as of the date of this report.

At June 30, 2021, the cost of investments for federal income tax purposes was $4,317,956,000. Net unrealized gain aggregated $3,491,509,000 at period-end, of which $3,615,807,000 related to appreciated investments and $124,298,000 related to depreciated investments.

NOTE 5 - RELATED PARTY TRANSACTIONS

The fund is managed by T. Rowe Price Associates, Inc. (Price Associates), a wholly owned subsidiary of T. Rowe Price Group, Inc. (Price Group). The investment management agreement between the fund and Price Associates provides for an annual investment management fee equal to 0.60% of the fund’s average daily net assets. The fee is computed daily and paid monthly.

In addition, the fund has entered into service agreements with Price Associates and a wholly owned subsidiary of Price Associates, each an affiliate of the fund (collectively, Price). Price Associates provides certain accounting and administrative services to the fund. T. Rowe Price Services, Inc. provides shareholder and administrative services in its capacity as the fund’s transfer and dividend-disbursing agent. For the six months ended June 30, 2021, expenses incurred pursuant to these service agreements were $35,000 for Price Associates and $6,000 for T. Rowe Price Services, Inc. All amounts due to and due from Price, exclusive of investment management fees payable, are presented net on the accompanying Statement of Assets and Liabilities.

The fund may invest its cash reserves in certain open-end management investment companies managed by Price Associates and considered affiliates of the fund: the T. Rowe Price Government Reserve Fund or the T. Rowe Price Treasury Reserve Fund, organized as money market funds, or the T. Rowe Price Short-Term Fund, a short-term bond fund (collectively, the Price Reserve Funds). The Price Reserve Funds are offered as short-term investment options to mutual funds, trusts, and other accounts managed by Price Associates or its affiliates and are not available for direct purchase by members of the public. Cash collateral from securities lending is invested in the T. Rowe Price Short-Term Fund. The Price Reserve Funds pay no investment management fees.

The fund may participate in securities purchase and sale transactions with other funds or accounts advised by Price Associates (cross trades), in accordance with procedures adopted by the fund’s Board and Securities and Exchange Commission rules, which require, among other things, that such purchase and sale cross trades be effected at the independent current market price of the security. During the six months ended June 30, 2021, the fund had no purchases or sales cross trades with other funds or accounts advised by Price Associates.

Effective January 1, 2020, Price Associates has voluntarily agreed to reimburse the fund from its own resources on a monthly basis for the cost of investment research embedded in the cost of the fund’s securities trades. This agreement may be rescinded at any time. For the six months ended June 30, 2021, this reimbursement amounted to $94,000, which is included in Net realized gain (loss) on Securities in the Statement of Operations.

NOTE 6 - OTHER MATTERS

Unpredictable events such as environmental or natural disasters, war, terrorism, pandemics, outbreaks of infectious diseases, and similar public health threats may significantly affect the economy and the markets and issuers in which a fund invests. Certain events may cause instability across global markets, including reduced liquidity and disruptions in trading markets, while some events may affect certain geographic regions, countries, sectors, and industries more significantly than others, and exacerbate other pre-existing political, social, and economic risks. During 2020, a novel strain of coronavirus (COVID-19) resulted in disruptions to global business activity and caused significant volatility and declines in global financial markets.

These types of events, such as the global pandemic caused by COVID-19, may also cause widespread fear and uncertainty, and result in, among other things: enhanced health screenings, quarantines, cancellations, and travel restrictions, including border closings; disruptions to business operations and supply chains and customer activity; exchange trading suspensions and closures, and overall reduced liquidity of securities, derivatives, and commodities trading markets; reductions in consumer demand and economic output; and significant challenges in healthcare service preparation and delivery. The fund could be negatively impacted if the value of a portfolio holding were harmed by such political or economic conditions or events. In addition, the operations of the fund, its investment advisers, and the fund’s service providers may be significantly impacted, or even temporarily halted, as a result of any impairment to their information technology and other operation systems, extensive employee illnesses or unavailability, government quarantine measures, and restrictions on travel or meetings and other factors related to public emergencies.

Governmental and quasi-governmental authorities and regulators have in the past responded to major economic disruptions with a variety of significant fiscal and monetary policy changes, including but not limited to, direct capital infusions into companies, new monetary programs, and dramatically lower interest rates. An unexpected or quick reversal of these policies, or the ineffectiveness of these policies, could negatively impact overall investor sentiment and further increase volatility in securities markets.

INFORMATION ON PROXY VOTING POLICIES, PROCEDURES, AND RECORDS

A description of the policies and procedures used by T. Rowe Price funds to determine how to vote proxies relating to portfolio securities is available in each fund’s Statement of Additional Information. You may request this document by calling 1-800-225-5132 or by accessing the SEC’s website, sec.gov.

The description of our proxy voting policies and procedures is also available on our corporate website. To access it, please visit the following Web page:

https://www.troweprice.com/corporate/en/utility/policies.html

Scroll down to the section near the bottom of the page that says, “Proxy Voting Policies.” Click on the Proxy Voting Policies link in the shaded box.

Each fund’s most recent annual proxy voting record is available on our website and through the SEC’s website. To access it through T. Rowe Price, visit the website location shown above, and scroll down to the section near the bottom of the page that says, “Proxy Voting Records.” Click on the Proxy Voting Records link in the shaded box.

HOW TO OBTAIN QUARTERLY PORTFOLIO HOLDINGS

The fund files a complete schedule of portfolio holdings with the Securities and Exchange Commission (SEC) for the first and third quarters of each fiscal year as an exhibit to its reports on Form N-PORT. The fund’s reports on Form N-PORT are available electronically on the SEC’s website (sec.gov). In addition, most T. Rowe Price funds disclose their first and third fiscal quarter-end holdings on troweprice.com.

APPROVAL OF INVESTMENT MANAGEMENT AGREEMENT

Each year, the fund’s Board of Directors (Board) considers the continuation of the investment management agreement (Advisory Contract) between the fund and its investment advisor, T. Rowe Price Associates, Inc. (Advisor). In that regard, at a meeting held on March 8–9, 2021 (Meeting), the Board, including all of the fund’s independent directors, approved the continuation of the fund’s Advisory Contract. At the Meeting, the Board considered the factors and reached the conclusions described below relating to the selection of the Advisor and the approval of the Advisory Contract. The independent directors were assisted in their evaluation of the Advisory Contract by independent legal counsel from whom they received separate legal advice and with whom they met separately.

In providing information to the Board, the Advisor was guided by a detailed set of requests for information submitted by independent legal counsel on behalf of the independent directors. In considering and approving the Advisory Contract, the Board considered the information it believed was relevant, including, but not limited to, the information discussed below. The Board considered not only the specific information presented in connection with the Meeting but also the knowledge gained over time through interaction with the Advisor about various topics. The Board meets regularly and, at each of its meetings, covers an extensive agenda of topics and materials and considers factors that are relevant to its annual consideration of the renewal of the T. Rowe Price funds’ advisory contracts, including performance and the services and support provided to the funds and their shareholders.

Services Provided by the Advisor
The Board considered the nature, quality, and extent of the services provided to the fund by the Advisor. These services included, but were not limited to, directing the fund’s investments in accordance with its investment program and the overall management of the fund’s portfolio, as well as a variety of related activities such as financial, investment operations, and administrative services; compliance; maintaining the fund’s records and registrations; and shareholder communications. The Board also reviewed the background and experience of the Advisor’s senior management team and investment personnel involved in the management of the fund, as well as the Advisor’s compliance record. The Board concluded that it was satisfied with the nature, quality, and extent of the services provided by the Advisor.

Investment Performance of the Fund
The Board took into account discussions with the Advisor and reports that it receives throughout the year relating to fund performance. In connection with the Meeting, the Board reviewed the fund’s net annualized total returns for the 1-, 2-, 3-, 4-, 5-, and 10-year periods as of September 30, 2020, and compared these returns with the performance of a peer group of funds with similar investment programs and a wide variety of other previously agreed-upon comparable performance measures and market data, including those supplied by Broadridge, which is an independent provider of mutual fund data.

On the basis of this evaluation and the Board’s ongoing review of investment results, and factoring in the relative market conditions during certain of the performance periods, the Board concluded that the fund’s performance was satisfactory.

Costs, Benefits, Profits, and Economies of Scale
The Board reviewed detailed information regarding the revenues received by the Advisor under the Advisory Contract and other direct and indirect benefits that the Advisor (and its affiliates) may have realized from its relationship with the fund. In considering soft-dollar arrangements pursuant to which research may be received from broker-dealers that execute the fund’s portfolio transactions, the Board noted that the Advisor bears the cost of research services for all client accounts that it advises, including the T. Rowe Price funds. The Board received information on the estimated costs incurred and profits realized by the Advisor from managing the T. Rowe Price funds. The Board also reviewed estimates of the profits realized from managing the fund in particular, and the Board concluded that the Advisor’s profits were reasonable in light of the services provided to the fund.

The Board also considered whether the fund benefits under the fee levels set forth in the Advisory Contract from any economies of scale realized by the Advisor. Under the Advisory Contract, the fund pays a fee to the Advisor for investment management services based on the fund’s average daily net assets and the fund pays its own expenses of operations. Assets of the fund are included in the calculation of the group fee rate, which serves as a component of the management fee for many other T. Rowe Price funds and declines at certain asset levels based on the combined average net assets of most of the T. Rowe Price funds (including the fund). Although the fund does not have a group fee component to its management fee, its assets are included in the calculation because certain resources utilized to operate the fund are shared with other T. Rowe Price funds. The fund’s shareholders also benefit from potential economies of scale through a decline in certain operating expenses as the fund grows in size. The Board concluded that the advisory fee structure for the fund provided for a reasonable sharing of benefits from any economies of scale and that the advisory fee structure continued to be appropriate.

Fees and Expenses
The Board was provided with information regarding industry trends in management fees and expenses. Among other things, the Board reviewed data for peer groups that were compiled by Broadridge, which compared: (i) contractual management fees, total expenses, actual management fees, and nonmanagement expenses of the Investor Class of the fund with a group of competitor funds selected by Broadridge (Expense Group) and (ii) total expenses, actual management fees, and nonmanagement expenses of the Investor Class of the fund with a broader set of funds within the Lipper investment classification (Expense Universe). The Board considered the fund’s contractual management fee rate, actual management fee rate (which reflects the management fees actually received from the fund by the Advisor after any applicable waivers, reductions, or reimbursements), operating expenses, and total expenses (which reflect the net total expense ratio of the fund after any waivers, reductions, or reimbursements) in comparison with the information for the Broadridge peer groups. Broadridge generally constructed the peer groups by seeking the most comparable funds based on similar investment classifications and objectives, expense structure, asset size, and operating components and attributes and ranked funds into quintiles, with the first quintile representing the funds with the lowest relative expenses and the fifth quintile representing the funds with the highest relative expenses. The information provided to the Board indicated that the fund’s contractual management fee ranked in the first quintile (Expense Group), the fund’s actual management fee rate ranked in the first quintile (Expense Group and Expense Universe), and the fund’s total expenses ranked in the first quintile (Expense Group and Expense Universe).

The Board also reviewed the fee schedules for other investment portfolios with similar mandates that are advised or subadvised by the Advisor and its affiliates, including separately managed accounts for institutional and individual investors; subadvised funds; and other sponsored investment portfolios, including collective investment trusts and pooled vehicles organized and offered to investors outside the United States. Management provided the Board with information about the Advisor’s responsibilities and services provided to subadvisory and other institutional account clients, including information about how the requirements and economics of the institutional business are fundamentally different from those of the proprietary mutual fund business. The Board considered information showing that the Advisor’s mutual fund business is generally more complex from a business and compliance perspective than its institutional account business and considered various relevant factors, such as the broader scope of operations and oversight, more extensive shareholder communication infrastructure, greater asset flows, heightened business risks, and differences in applicable laws and regulations associated with the Advisor’s proprietary mutual fund business. In assessing the reasonableness of the fund’s management fee rate, the Board considered the differences in the nature of the services required for the Advisor to manage its mutual fund business versus managing a discrete pool of assets as a subadvisor to another institution’s mutual fund or for an institutional account and that the Advisor generally performs significant additional services and assumes greater risk in managing the fund and other T. Rowe Price funds than it does for institutional account clients, including subadvised funds.

On the basis of the information provided and the factors considered, the Board concluded that the fees paid by the fund under the Advisory Contract are reasonable.

Approval of the Advisory Contract
As noted, the Board approved the continuation of the Advisory Contract. No single factor was considered in isolation or to be determinative to the decision. Rather, the Board concluded, in light of a weighting and balancing of all factors considered, that it was in the best interests of the fund and its shareholders for the Board to approve the continuation of the Advisory Contract (including the fees to be charged for services thereunder).

Item 1. (b) Notice pursuant to Rule 30e-3.

Not applicable.

Item 2. Code of Ethics.

A code of ethics, as defined in Item 2 of Form N-CSR, applicable to its principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions is filed as an exhibit to the registrant’s annual Form N-CSR. No substantive amendments were approved or waivers were granted to this code of ethics during the registrant’s most recent fiscal half-year.

Item 3. Audit Committee Financial Expert.

Disclosure required in registrant’s annual Form N-CSR.

Item 4. Principal Accountant Fees and Services.

Disclosure required in registrant’s annual Form N-CSR.

Item 5. Audit Committee of Listed Registrants.

Not applicable.

Item 6. Investments.

(a) Not applicable. The complete schedule of investments is included in Item 1 of this Form N-CSR.

(b) Not applicable.

Item 7. Disclosure of Proxy Voting Policies and Procedures for Closed-End Management Investment Companies.

Not applicable.

Item 8. Portfolio Managers of Closed-End Management Investment Companies.

Not applicable.

Item 9. Purchases of Equity Securities by Closed-End Management Investment Company and Affiliated Purchasers.

Not applicable.

Item 10. Submission of Matters to a Vote of Security Holders.

There has been no change to the procedures by which shareholders may recommend nominees to the registrant’s board of directors.

Item 11. Controls and Procedures.

(a) The registrant’s principal executive officer and principal financial officer have evaluated the registrant’s disclosure controls and procedures within 90 days of this filing and have concluded that the registrant’s disclosure controls and procedures were effective, as of that date, in ensuring that information required to be disclosed by the registrant in this Form N-CSR was recorded, processed, summarized, and reported timely.

(b) The registrant’s principal executive officer and principal financial officer are aware of no change in the registrant’s internal control over financial reporting that occurred during the period covered by this report that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting.

Item 12. Disclosure of Securities Lending Activities for Closed-End Management Investment Companies.

Not applicable.

Item 13. Exhibits.

(a)(1) The registrant’s code of ethics pursuant to Item 2 of Form N-CSR is filed with the registrant’s annual Form N-CSR.

(2) Separate certifications by the registrant's principal executive officer and principal financial officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 and required by Rule 30a-2(a) under the Investment Company Act of 1940, are attached.

(3) Written solicitation to repurchase securities issued by closed-end companies: not applicable.

(b) A certification by the registrant's principal executive officer and principal financial officer, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and required by Rule 30a-2(b) under the Investment Company Act of 1940, is attached.