Vanguard Total Stock Market ETF Summary Prospectus - Supplement Dated July 29, 2026 - Important Changes to the Funds

Oct 12, 2026

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Supplement dated July 29, 2026 to the Prospectus and Summary Prospectuses dated April 28, 2026 explains important changes for multiple Vanguard index funds and related ETF share classes. It covers Morningstar’s announced acquisition of CRSP and the resulting renaming of each Fund and its ETF-class corresponding names. It states the name changes are effective July 29, 2026 while each Fund’s investment objective, strategies, and policies remain unchanged, including updates to target index names.

LanguageEnglish

CategoryPaper Templates

FormatPDF

Pages12

Reading Time4 min

AccessFree to download

Important Changes to the Funds

Renaming of the Funds and ETF Share Classes

Changes to Target Indices

Investment Objective

Fees and Expenses

Vanguard Total Stock Market Index Fund Vanguard Large-Cap Index Fund Vanguard Mid-Cap Index Fund Vanguard Small-Cap Index Fund Vanguard Value Index Fund Vanguard Mid-Cap Value Index Fund Vanguard Small-Cap Value Index Fund Vanguard Growth Index Fund Vanguard Mid-Cap Growth Index Fund Vanguard Small-Cap Growth Index Fund Supplement Dated July 29, 2026, to the Prospectus and Summary Prospectuses Dated April 28, 2026 Important Changes to the Funds Morningstar, Inc. (“Morningstar”) has announced the acquisition of the Center for Research in Security Prices (“CRSP”) and its CRSP Market Indexes. As a result of these changes, the board of trustees of Vanguard Index Funds has approved the renaming of Vanguard Total Stock Market Index Fund, Vanguard Large-Cap Index Fund, Vanguard Mid-Cap Index Fund, Vanguard Small-Cap Index Fund, Vanguard Value Index Fund, Vanguard Mid-Cap Value Index Fund, Vanguard Small-Cap Value Index Fund, Vanguard Growth Index Fund, Vanguard Mid-Cap Growth Index Fund, and Vanguard Small-Cap Growth Index Fund (each, a “Fund” and collectively, the “Funds”) as shown below. The name changes are effective as of July 29, 2026 . Each Fund’s investment objective, strategies, and polices remain unchanged. Current Fund Name New Fund Name New Corresponding Name for ETF Share Class | Vanguard Total Stock Market Index Fund | Vanguard Morningstar Total Stock Market Index Fund | Vanguard Morningstar Total Stock Market ETF | | --- | --- | --- | | Vanguard Large-Cap Index | Vanguard Morningstar | Vanguard Morningstar | | Fund | Large-Cap Index Fund | Large-Cap ETF | | Vanguard Mid-Cap Index | Vanguard Morningstar | Vanguard Morningstar | | Fund | Mid-Cap Index Fund | Mid-Cap ETF | Current Fund Name New Fund Name New Corresponding Name for ETF Share Class | Vanguard Small-Cap Index Fund | Vanguard Morningstar Small-Cap Index Fund | Vanguard Morningstar Small-Cap ETF | | --- | --- | --- | | Vanguard Value Index Fund | Vanguard Morningstar Value Index Fund | Vanguard Morningstar Value ETF | | Vanguard Mid-Cap Value | Vanguard Morningstar | Vanguard Morningstar | | Index Fund | Mid-Cap Value Index Fund | Mid-Cap Value ETF | | Vanguard Small-Cap Value | Vanguard Morningstar | Vanguard Morningstar | | Index Fund | Small-Cap Value Index Fund | Small-Cap Value ETF | | Vanguard Growth Index Fund | Vanguard Morningstar Growth Index Fund | Vanguard Morningstar Growth ETF | | Vanguard Mid-Cap Growth | Vanguard Morningstar | Vanguard Morningstar | | Index Fund | Mid-Cap Growth Index Fund | Mid-Cap Growth ETF | | Vanguard Small-Cap Growth | Vanguard Morningstar | Vanguard Morningstar | | Index Fund | Small-Cap Growth Index Fund | Small-Cap Growth ETF | Morningstar’s acquisition of CRSP will also result in name changes of each Fund’s target index, as shown below. These changes are effective as of July 29, 2026. Current Fund Name Current Target Index Name New Target Index Name | Vanguard Total Stock Market Index Fund | CRSP US Total Market Index | Morningstar US Total Market Index | | --- | --- | --- | | Vanguard Large-Cap Index | CRSP US Large Cap Index | Morningstar US Large Cap | | Fund | | Index | | Vanguard Mid-Cap Index | CRSP US Mid Cap Index | Morningstar US Mid Cap | | Fund | | Index | | Vanguard Small-Cap Index | CRSP US Small Cap Index | Morningstar US Small Cap | | Fund | | Index | | Vanguard Value Index Fund | CRSP US Large Cap Value Index | Morningstar US Large Cap Value Index | | Vanguard Mid-Cap Value | CRSP US Mid Cap Value | Morningstar US Mid Cap | | Index Fund | Index | Value Index | | Vanguard Small-Cap Value | CRSP US Small Cap Value | Morningstar US Small Cap | | Index Fund | Index | Value Index | | Vanguard Growth Index | CRSP US Large Cap Growth | Morningstar US Large Cap | | Fund | Index | Growth Index | | Vanguard Mid-Cap Growth | CRSP US Mid Cap Growth | Morningstar US Mid Cap | | --- | --- | --- | | Index Fund | Index | Growth Index | | Vanguard Small-Cap Growth | CRSP US Small

FAQs

What does the July 29, 2026 supplement cover?

The supplement describes important changes to Vanguard funds and their ETF share classes, including name and target index updates tied to Morningstar’s acquisition of CRSP.

When do the fund and index name changes become effective?

The name changes and related target index changes are effective as of July 29, 2026.

Do the investment objectives, strategies, and policies change?

No. The document states that each Fund’s investment objective, strategies, and polices remain unchanged despite the renaming.

Oct 12, 2026

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