Vanguard Institutional Index Fund Institutional Plus Shares

Frequently Asked Questions About VIIIX

What does VIIIX invest in?

This fund aims to mirror the investment performance of the S&P 500 Index, which serves as a benchmark for large-capitalization U.S. stocks. It achieves this objective through a non-active, complete portfolio duplication strategy. The fund provides an accessible avenue for investors to obtain exposure to a substantial portion of the nation's premier companies. For 75% of its total assets, the fund is generally precluded from acquiring more than 10% of the voting stock of any single entity or allocating over 5% of its assets to the securities of one issuer. Nevertheless, these concentration limits can be overridden if necessary to closely match the structure of its benchmark index. It's important to note that these specific restrictions do not apply to debt obligations issued by the U.S. government or its various agencies and instrumentalities.

What is the expense ratio of VIIIX?

Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) charges an expense ratio of 0.02%. This is the annual fee deducted from fund assets to cover management and operations.

How big is VIIIX?

Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) manages $349.70B in total assets. AUM determines bid-ask liquidity and the fund's vulnerability to closure — funds below ~$50M are at higher risk of liquidation.

Is VIIIX actively managed or an index fund?

VIIIX is a passive index fund — it tracks a published benchmark by holding the constituents in their published weights. Index funds typically charge low expense ratios (VIIIX's is 0.02%) because there's no security selection cost.

When was VIIIX launched?

Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) launched in July 1997 and is managed by Vanguard.

How has VIIIX performed?

VIIIX's total return — price change plus reinvested distributions — is charted at the top of this page. Switch the price chart to Total Return and pick a 1-year, 3-year, 5-year, or 10-year window to read the compound annual growth rate (CAGR) over each horizon.