Item 1 – Reports to Stockholders

PGIM TOTAL RETURN BOND FUND

ANNUAL REPORT

OCTOBER 31, 2021

Table of Contents

This report is not authorized for distribution to prospective investors unless preceded or accompanied by a current prospectus.

The views expressed in this report and information about the Fund’s portfolio holdings are for the period covered by this report and are subject to change thereafter.

Mutual funds are distributed by Prudential Investment Management Services LLC (PIMS), member SIPC. PGIM Fixed Income is a unit of PGIM, Inc. (PGIM), a registered investment adviser. PIMS and PGIM are Prudential Financial companies. ^© 2021 Prudential Financial, Inc. and its related entities. PGIM and the PGIM logo are service marks of Prudential Financial, Inc. and its related entities, registered in many jurisdictions worldwide.

effective COVID-19 vaccines received regulatory approval. Those measures were enough to offset the fear of rising inflation and supply chain challenges that threatened to disrupt growth.

At the start of the period, stocks had recovered most of the steep losses they had suffered at the onset of the pandemic. Equities rallied as states reopened their economies but became more volatile as investors worried that a surge in COVID-19 infections would stall the recovery. However, rising corporate profits and economic growth, the resolution of the US presidential election, and the global rollout of approved vaccines lifted equity markets to record levels, helping stocks around the globe post gains for the full period.

Throughout this volatile period, investors sought safety in fixed income. Investment-grade bonds in the US and the overall global bond market declined slightly during the period as the economy recovered, but emerging market debt rose. While the 10-year US Treasury yield hovered near record lows early in the period after a significant rally in interest rates, rates moved higher later on as investors began to focus on stronger economic growth and the prospects of higher inflation. The Fed also took several aggressive actions to keep the bond markets running smoothly, implementing many of the relief programs that proved to be successful in helping end the global financial crisis in 2008-09.

Regarding your investments with PGIM, we believe it is important to maintain a diversified portfolio of funds consistent with your tolerance for risk, time horizon, and financial goals. Your financial advisor can help you create a diversified investment plan that may include funds covering all the basic asset classes and that reflects your personal investor profile and risk tolerance. However, diversification and asset allocation strategies do not assure a profit or protect against loss in declining markets.

At PGIM Investments, we consider it a great privilege and responsibility to help investors participate in opportunities across global markets while meeting their toughest investment challenges. PGIM is a top-10 global investment manager with more than $1.5 trillion in assets under management. This scale and investment expertise allow us to deliver actively managed funds and strategies to meet the needs of investors around the globe.

Thank you for choosing our family of funds.

Sincerely,

Stuart S. Parker, President

PGIM Total Return Bond Fund

December 15, 2021

Your Fund’s Performance (unaudited)

Performance data quoted represent past performance. Past performance does not guarantee future results. The investment return and principal value of an investment will fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original cost. Current performance may be lower or higher than the past performance data quoted. An investor may obtain performance data as of the most recent month-end by visiting our website at pgim.com/investments or by calling (800) 225-1852.

Since Inception returns are provided for any share class that has less than 10 fiscal years of returns. Since Inception returns for the Index are measured from the closest month-end to the class’ inception date.

Growth of a $10,000 Investment (unaudited)

The graph compares a $10,000 investment in the Fund’s Class Z shares with a similar investment in the Bloomberg US Aggregate Bond Index by portraying the initial account values at the beginning of the 10-year period for Class Z shares (October 31, 2011) and the account values at the end of the current fiscal year (October 31, 2021), as measured on a quarterly basis. For purposes of the graph, and unless otherwise indicated, it has been assumed that (a) all recurring fees (including management fees) were deducted and (b) all dividends and distributions were reinvested. The line graph provides information for Class Z shares only. As indicated in the tables provided earlier, performance for other share classes will vary due to the differing fees and expenses applicable to each share class (as indicated in the following paragraphs). Without waiver of fees and/or expense reimbursements, if any, the returns would have been lower.

Past performance does not predict future performance. Total returns and the ending account values in the graph include changes in share price and reinvestment of dividends and capital gains distributions in a hypothetical investment for the periods shown. The Fund’s total returns do not reflect the deduction of income taxes on an individual’s investment. Taxes may reduce your actual investment returns on income or gains paid by the Fund or any gains you may realize if you sell your shares.

The returns in the tables do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or following the redemption of Fund shares. The average annual total returns take into account applicable sales charges, which are described for each share class in the table below.

*Shareholder service fee reflects maximum allowable fees under a shareholder services plan.

Benchmark Definitions

Bloomberg US Aggregate Bond Index—The Bloomberg US Aggregate Bond Index is unmanaged and represents securities that are taxable and dollar denominated. It covers the US investment-grade fixed rate bond market, with index components for government and corporate securities, mortgage pass-through securities, and asset-backed securities.

Investors cannot invest directly in an index. The returns for the Index would be lower if they included the effects of sales charges, operating expenses of a mutual fund, or taxes that may be paid by an investor.

*SEC 30-Day Subsidized Yield (%)—A standardized yield calculation created by the Securities and Exchange Commission, it reflects the income earned during a 30-day period, after the deduction of the Fund’s net expenses (net of any expense waivers or reimbursements). The investor experience is represented by the SEC 30-Day Subsidized Yield.

**SEC 30-Day Unsubsidized Yield (%)—A standardized yield calculation created by the Securities and Exchange Commission, it reflects the income earned during a 30-day period, after the deduction of the Fund’s gross expenses. The investor experience is represented by the SEC 30-Day Subsidized Yield.

Credit ratings reflect the highest rating assigned by a nationally recognized statistical rating organization (NRSRO) such as Moody’s Investors Service, Inc. (Moody’s), S&P Global Ratings (S&P), or Fitch, Inc. (Fitch). Credit ratings reflect the common nomenclature used by both S&P and Fitch. Where applicable, ratings are converted to the comparable S&P/Fitch rating tier nomenclature. These rating agencies are independent and are widely used. The Not Rated category consists of securities that have not been rated by an NRSRO. Credit ratings are subject to change.

Strategy and Performance Overview (unaudited)

How did the Fund perform?

The PGIM Total Return Bond Fund’s Class Z shares returned 1.51% in the 12-month reporting period that ended October 31, 2021, outperforming the -0.48% return of the Bloomberg US Aggregate Bond Index (the Index).

What were the market conditions?

What worked?

What didn’t work?

Strategy and Performance Overview (continued)

Did the Fund use derivatives?

The Fund uses derivatives when they facilitate implementation of the overall investment approach. During the reporting period, the Fund used interest rate futures, options, and swaps to help manage duration positioning and yield curve exposure. Over the period, futures and options contributed to performance while swaps detracted. Credit default swaps and credit default swap index (CDX) positions were used to either add risk exposure to certain issuers or to hedge credit risk imposed by certain issuers. Overall, credit derivative exposure detracted during the period. In addition, the Fund traded foreign-exchange derivatives, which had a negative impact on performance over the period.

Current outlook

Fees and Expenses (unaudited)

As a shareholder of the Fund, you incur two types of costs: (1) transaction costs, including sales charges (loads) on purchase payments and redemptions, as applicable, and (2) ongoing costs, including management fees, distribution and/or service (12b-1) fees, and other Fund expenses, as applicable. This 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 held through the six-month period ended October 31, 2021. The example is for illustrative purposes only; you should consult the Prospectus for information on initial and subsequent minimum investment requirements.

Actual Expenses

The first line for each share class in the table on the following page provides information about actual account values and actual expenses. You may use the information on this line, together with the amount you invested, 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 ÷ $1,000 = 8.6), then multiply the result by the number on the first line under the heading “Expenses Paid During the Six-Month Period” to estimate the expenses you paid on your account during this period.

Hypothetical Example for Comparison Purposes

The second line for each share class in the table on the following page provides information about hypothetical account values and hypothetical expenses based on the Fund’s actual expense ratio and an assumed rate of return of 5% per year before expenses, which is not the Fund’s actual return. 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 may use this information to compare the ongoing costs of investing in the Fund and other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of the other funds.

The Fund’s transfer agent may charge additional fees to holders of certain accounts that are not included in the expenses shown in the table on the following page. These fees apply to individual retirement accounts (IRAs) and Section 403(b) accounts. As of the close of the six-month period covered by the table, IRA fees included an annual maintenance fee of $15 per account (subject to a maximum annual maintenance fee of $25 for all accounts held by the same shareholder). Section 403(b) accounts are charged an annual $25 fiduciary maintenance fee. Some of the fees may vary in amount, or may be waived, based on your total account balance or the number of PGIM funds, including the Fund, that you own. You should consider the additional fees that were charged to your Fund account over the six-month period when you estimate the total ongoing expenses paid over the period and the impact of these fees on your ending account value, as these additional expenses are not reflected in the information

provided in the expense table. Additional fees have the effect of reducing investment returns.

Please note that the expenses shown in the table are meant to highlight your ongoing costs only and do not reflect any transactional costs such as sales charges (loads). Therefore, the second line for each share class in the table is useful in comparing ongoing costs only and will not help you determine the relative total costs of owning different funds. In addition, if these transactional costs were included, your costs would have been higher.

*Fund expenses (net of fee waivers or subsidies, if any) for each share class are equal to the annualized expense ratio for each share class (provided in the table), multiplied by the average account value over the period, multiplied by the 184 days in the six-month period ended October 31, 2021, and divided by the 365 days in the Fund’s fiscal year ended October 31, 2021 (to reflect the six-month period). Expenses presented in the table include the expenses of any underlying portfolios in which the Fund may invest.