Vanguard STAR Core-Plus Bond Fund
Summary Prospectus
February 19, 2025
Institutional Shares
Vanguard STAR Core-Plus Bond Fund Institutional Shares (VCPSX)
The Fund’s statutory Prospectus and Statement of Additional Information dated February 19, 2025, as may be amended or supplemented, are incorporated into and made part of this Summary Prospectus by reference.
Before you invest, you may want to review the Fund’s Prospectus, which contains more information about the Fund and its risks. You can find the Fund’s Prospectus and other information about the Fund online at www.vanguard.com/prospectus and https://personal.vanguard.com/us/literature/reports/MFs. You can also obtain this information at no cost by calling 800-662-7447 (if you are an individual investor) or 888-809-8102 (if you are a client of Vanguard’s Institutional Division) or by sending an email request to online@vanguard.com.
The Securities and Exchange Commission (SEC) has not approved or disapproved these securities or passed upon the adequacy of this prospectus. Any representation to the contrary is a criminal offense.

Investment Objective
The Fund seeks to provide total return while generating a moderate to high level of current income.
Fees and Expenses
The following tables describe the fees and expenses you may pay if you buy, hold, and sell Institutional 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 example below.
Shareholder Fees
(Fees paid directly from your investment)
 
Sales Charge (Load) Imposed on Purchases
None
Purchase Fee
None
Sales Charge (Load) Imposed on Reinvested Dividends
None
Redemption Fee
None
Annual Fund Operating Expenses
(Expenses that you pay each year as a percentage of the value of your investment)
 
Management Fees
0.17
%
12b-1 Distribution Fee
None
Other Expenses
0.03
%
Total Annual Fund Operating Expenses1
0.20
%
1
The expense information shown in the table reflects estimated amounts for the current fiscal year.
1

Example
The following example is intended to help you compare the cost of investing in the Fund’s Institutional shares with the cost of investing in other funds. They illustrates the hypothetical expenses that you would incur over various periods if you were to invest $10,000 in the Fund’s shares. This example assumes that the shares provide a return of 5% each year and that total annual fund operating expenses remain as stated in the preceding table. You would incur these hypothetical expenses whether or not you were to sell your shares at the end of the given period. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
1 Year
3 Years
$20
$64
This example does not include the brokerage commissions that you may pay to buy and sell shares of the Fund.
Portfolio Turnover
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in more taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the previous expense example, reduce the Fund’s performance. The Fund has no operating history and therefore has no portfolio turnover information.
Principal Investment Strategies
The Fund invests in fixed income securities of various maturities, yields, and qualities. Under normal circumstances, the Fund will invest at least 80% of its assets in bonds, which include fixed income securities such as corporate bonds; U.S. Treasury obligations and other U.S. government and agency securities; and asset-backed, mortgage-backed, and mortgage-related securities. In general, bonds purchased by the Fund will have a maturity of 90 days or more at the time of their issuance. The Fund may invest in fixed income securities of non-U.S. issuers, including emerging market countries.
The Fund’s dollar-weighted average maturity will normally range between 4 and 12 years, and may either be longer or shorter under certain market conditions, such as during periods of market stress, where there is significant change to market structure, or where prepayment of certain securities held by the fund (such as asset-backed, mortgage-backed or similar securities) varies from what is expected under normal market conditions.
2


The Fund can purchase bonds of any quality. High-quality fixed income securities are investment-grade securities that are rated the equivalent of A3 or better by Moody’s Ratings, or another independent rating agency or, if unrated, are determined to be of comparable quality by the Fund’s advisor. Medium-quality fixed income securities are investment-grade securities that are rated the equivalent of Baa1, Baa2, or Baa3 by Moody’s Ratings or another independent rating agency or, if unrated, are determined to be of comparable quality by the Fund’s advisor. Both high-quality and medium-quality fixed income securities are considered to be “investment-grade.” Lower quality fixed income securities—commonly known as “junk bonds”—are non-investment-grade securities that are rated the equivalent of Ba1 or lower by Moody’s Ratings or another independent rating agency or, if unrated, are determined to be of comparable quality by the Fund’s advisor. No more than 35% of the Fund’s assets may be invested in non-investment-grade fixed income securities, or junk bonds.

The Fund seeks to have a majority of its assets denominated in or hedged back to the U.S. dollar but has the ability to invest in bonds denominated in a foreign currency on an unhedged basis. The Fund may attempt to hedge some or all of its foreign currency exposure, primarily through the use of foreign currency exchange forward contracts, in an effort to manage the currency risk associated with investing in securities denominated in currencies other than the U.S. dollar.

In addition to foreign currency exchange forward contracts, the Fund may invest in other derivatives instruments, such as options, futures contracts, other swap agreements, or in to be announced (“TBA”) mortgage-backed securities. The fund may also take short positions in TBA securities.
Principal Risks
An investment in the Fund could lose money over short or long periods of time. You should expect the Fund’s share price and total return to fluctuate within a wide range. The Fund is subject to the following risks, which could affect the Fund’s performance, and the level of risk may vary based on market conditions:
• Interest rate risk, which is the chance that bond prices overall will decline because of rising interest rates.
• Income risk, which is the chance that the Fund’s income will decline because of falling interest rates. A fund’s income declines when interest rates fall because the fund then must invest new cash flow and cash from maturing bonds in lower- yielding bonds. Income risk is generally high for short-term bond funds and moderate for intermediate-term bond funds, so investors should expect the Fund’s monthly income to fluctuate accordingly.
3

• Call risk, which is the chance that during periods of falling interest rates, issuers of callable bonds may call (redeem) securities with higher coupon rates or interest rates before their maturity dates. The Fund would then lose any price appreciation above the bond’s call price and would be forced to reinvest the unanticipated proceeds at lower interest rates, resulting in a decline in the Fund’s income. Such redemptions and subsequent reinvestments would also increase the Fund’s portfolio turnover rate.
• Prepayment risk, which is the chance that during periods of falling interest rates, homeowners will refinance their mortgages before their maturity dates, resulting in prepayment of mortgage-backed securities held by the Fund. The Fund would then lose any price appreciation above the mortgage’s principal and would be forced to reinvest the unanticipated proceeds at lower interest rates, resulting in a decline in the Fund’s income. Such prepayments and subsequent reinvestments would also increase the Fund’s portfolio turnover rate.
• Extension risk, which is the chance that during periods of rising interest rates, certain debt securities will be paid off substantially more slowly than originally anticipated, and the value of those securities may fall. For funds that invest in mortgage-backed securities, extension risk is the chance that during periods of rising interest rates, homeowners will repay their mortgages at slower rates.
• Credit risk, which is the chance that a bond issuer will fail to pay interest or principal in a timely manner or that negative perceptions of the issuer’s ability to make such payments will cause the price of that bond to decline.
• Liquidity risk, which is the chance that the Fund may not be able to sell a security in a timely manner at a desired price.
• Emerging markets risk, which is the chance that the bonds of governments, government agencies, government-owned corporations, and foreign companies located in emerging market countries will be substantially more volatile, and substantially less liquid, than the bonds of governments, government agencies, government-owned corporations, and foreign companies located in more developed foreign markets because, among other factors, emerging market countries can have more variable economic performance; greater custodial and operational risks; less developed legal, tax, regulatory, financial reporting, accounting, and record keeping systems; and greater political, social, and economic instability than developed markets.
• Country/regional risk, which is the chance that world events—such as political upheaval, financial troubles, or natural disasters—will adversely affect the value and/or liquidity of securities issued by foreign governments, government agencies, government-owned corporations, and foreign companies. Because the Fund may invest in bonds of issuers located in any one country or region, the Fund’s performance may be hurt disproportionately by the poor performance of
4

its investments in that area. Country/regional risk is especially high in emerging market countries.
• Currency risk, which is the chance that the value of a foreign investment, measured in U.S. dollars, will decrease because of unfavorable changes in currency exchange rates. Currency risk is especially high in emerging markets.
• Currency hedging risk. The Fund has the ability to invest in foreign bonds which may or may not be denominated in or hedged back to U.S. dollars. The Fund will decline in value if it underhedges a currency that has weakened or overhedges a currency that has strengthened relative to the U.S. dollar. In addition, the Fund will incur expenses to hedge its foreign currency exposure. By entering into currency hedging transactions, the Fund may eliminate any chance to benefit from favorable fluctuations in relevant currency exchange rates.
• Manager risk, which is the chance that poor security selection will cause the Fund to underperform relevant benchmarks or other funds with a similar investment objective.
• Management of certain similar funds risk. The name, investment objective, principal investment strategies, and risks of the Fund are similar to another separate fund managed by the Fund’s portfolio managers. However, the investment results of the Fund may be higher or lower than, and there is no guarantee that the investment results of the Fund will be comparable to, that other fund.
• Derivatives risk. The Fund may invest in derivatives, which may involve risks different from, and possibly greater than, those of investments directly in the underlying securities or assets.
• TBA Securities risk. A TBA transaction represents an agreement to buy or sell mortgage-backed securities with agreed-upon characteristics for a fixed unit price at a future date, but does not specify the particular security to be delivered. TBA transactions involve the risk that the value of the mortgage-backed securities to be purchased declines prior to settlement date or the counterparty does not deliver the securities as promised.
• Counterparty risk, which is the chance that the counterparty to a derivatives contract, or other investment vehicle, with the Fund is unable or unwilling to meet its financial obligations.
Because of the speculative nature of junk bonds, you should carefully consider the risks associated with this this Fund before you purchase shares.
5

An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Annual Total Returns
This is the Fund’s initial prospectus, so it does not contain performance data.
Investment Advisor
The Vanguard Group, Inc. (Vanguard)
Portfolio Managers
Michael Chang, CFA, Senior Portfolio Manager and Principal of Vanguard. He has co-managed the Fund since its inception in 2025.
Arvind Narayanan, CFA, Senior Portfolio Manager and Principal of Vanguard. He has co-managed the Fund since its inception in 2025.
Brian W. Quigley, CFA, Portfolio Manager at Vanguard. He has co-managed the Fund since its inception in 2025.
Daniel Shaykevich, Senior Portfolio Manager and Principal of Vanguard. He has co-managed the Fund since its inception in 2025.
Purchase and Sale of Fund Shares
Shares of the Fund may be purchased only by clients of Vanguard, including investment companies registered under the Investment Company Act of 1940, as amended (the 1940 Act). The minimum investment amount is $5 million.
Tax Information
The Fund’s distributions may be taxable as ordinary income or capital gains. Additionally, the Fund may also make distributions that are treated as a return of capital. You should consult your own tax advisor with respect to any particular U.S. or non-U.S. tax consequences of your investment in the Fund.
Payments to Financial Intermediaries
The Fund and its investment advisor do not pay financial intermediaries for sales of Fund shares.

CFA® is a registered trademark owned by CFA Institute.
Vanguard STAR Core-Plus Bond Fund Institutional Shares—Fund Number V043
To request additional information about the Fund, please visit vanguard.com or contact us at 800-662-7447 (if you are an individual investor) or 888-809 8102 (if you are a client of Vanguard’s Institutional Division).
© 2025 The Vanguard Group, Inc. All rights reserved.
Vanguard Marketing Corporation, Distributor.
SP V043 022025



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