# IDU (iShares U.S. Utilities ETF)

iShares · Stock ETFs · Utilities · data as of Oct 2, 2026

IDU tracks an index and returned −6.5% over the past year.

## Key facts

- IDU, total return, 1 year: −6.5%, as of Oct 2, 2026.
- IDU, expense ratio: 0.37%, as of Oct 2, 2026.
- IDU, holdings: 50, as of Oct 2, 2026.
- IDU, below its high: −14.3%, as of Oct 2, 2026.
- IDU, net assets: $1.4bn (the issuer’s own daily fund list, as of Oct 2, 2026).

## IDU over each window to Oct 2, 2026

| Window | Total return | S&P 500 | Gap to S&P 500 | Gap to Nasdaq-100 |
| --- | --- | --- | --- | --- |
| 3 months | −11.6% | +3.6% | −15.2 pts | −16.9 pts |
| 6 months | −12.4% | +17.9% | −30.3 pts | −40.8 pts |
| 1 year | −6.5% | +16.2% | −22.7 pts | −30.8 pts |
| 3 years | +53.8% | +89.3% | −35.5 pts | −61.0 pts |
| Since listing | +348.4% | +813.0% | −464.6 pts | −1413.5 pts |

## Every published field

| Field | Value | Source |
| --- | --- | --- |
| What it tracks | not read by ETFIQ | ETFIQ |
| Fund type | Equity fund | ETFIQ |
| Category | Stocks · Utilities | ETFIQ |
| Expense ratio | 0.37% | 485BPOS XBRL, Aug 21, 2026 |
| Price | $101.73 | ETFIQ |
| Listed since | Jan 4, 2010 | ETFIQ |
| Net assets | $1.4bn | the issuer’s own daily fund list, as of Oct 2, 2026 |
| Below its high | −14.3% | ETFIQ |
| Holdings | 50 | ETFIQ |
| Top ten weight | 52.1% | ETFIQ |
| Holdings published for | Oct 1, 2026 | the issuer’s daily file |
| Already in the S&P 500, by weight | 93.6% | ETFIQ |
| Active share vs the S&P 500 | 97.6% | ETFIQ |
| Already in the Nasdaq-100, by weight | 15.4% | ETFIQ |

## Questions

### How has IDU performed?

Over the year to Oct 2, 2026, IDU returned −6.5% with distributions reinvested, against +16.2% for the S&P 500. Over three years the figure is +53.8%.

### What does IDU cost?

The prospectus expense ratio is 0.37% a year.

### What does IDU hold?

50 positions as published by its issuer for Oct 1, 2026, with the top ten at 52.1% of the fund. 94% of its weight is in stocks the S&P 500 also holds.

### How far is IDU below its high?

14.3% below its high of Feb 27, 2026, measured on the reinvested series to Oct 2, 2026.


## Cite this page

ETFIQ, IDU, data as of Oct 2, 2026. https://etfiq.com/funds/idu
Free to use with attribution; the underlying files are at https://etfiq.com/data/.

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