iShares U.S. Utilities ETF

Frequently Asked Questions About IDU

What does IDU invest in?

This fund is designed to replicate the returns of a benchmark index comprising equity securities from U.S. utility companies.

What is the expense ratio of IDU?

iShares U.S. Utilities ETF (IDU) charges an expense ratio of 0.38%. This is the annual fee deducted from fund assets to cover management and operations.

How big is IDU?

iShares U.S. Utilities ETF (IDU) manages $1.40B 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 IDU actively managed or an index fund?

IDU 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 (IDU's is 0.38%) because there's no security selection cost.

When was IDU launched?

iShares U.S. Utilities ETF (IDU) launched in June 2000 and is managed by IShares.

How has IDU performed?

IDU'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.