Supplement to the Prospectuses and Summary ... - Vanguard

Vanguard 500 Index Fund Prospectus The Securities and Exchange Commission (SEC) has not approved or disapproved these securities or ... Vanguard 500 Index Fund Investor Shares (VFINX) Vanguard 500 Index Fund Admiral Shares (VFIAX) Important information about access to shareholder reports Beginning on January 1, 2021, as permitted by regulations ... ................
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