# IYM (iShares U.S. Basic Materials ETF)

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

IYM tracks an index and returned +22.5% over the past year.

## Key facts

- IYM, total return, 1 year: +22.5%, as of Oct 2, 2026.
- IYM, expense ratio: 0.37%, as of Oct 2, 2026.
- IYM, holdings: 43, as of Oct 2, 2026.
- IYM, below its high: −8.0%, as of Oct 2, 2026.
- IYM, net assets: $1.3bn (the issuer’s own daily fund list, as of Oct 2, 2026).

## IYM over each window to Oct 2, 2026

| Window | Total return | S&P 500 | Gap to S&P 500 | Gap to Nasdaq-100 |
| --- | --- | --- | --- | --- |
| 3 months | −0.7% | +3.6% | −4.3 pts | −6.0 pts |
| 6 months | +1.4% | +17.9% | −16.5 pts | −27.0 pts |
| 1 year | +22.5% | +16.2% | +6.3 pts | −1.8 pts |
| 3 years | +52.0% | +89.3% | −37.2 pts | −62.7 pts |
| Since listing | +290.0% | +813.0% | −523.0 pts | −1471.9 pts |

## Every published field

| Field | Value | Source |
| --- | --- | --- |
| What it tracks | not read by ETFIQ | ETFIQ |
| Fund type | Equity fund | ETFIQ |
| Category | Stocks · Materials | ETFIQ |
| Expense ratio | 0.37% | 485BPOS XBRL, Aug 21, 2026 |
| Price | $180.26 | ETFIQ |
| Listed since | Jan 4, 2010 | ETFIQ |
| Net assets | $1.3bn | the issuer’s own daily fund list, as of Oct 2, 2026 |
| Below its high | −8.0% | ETFIQ |
| Holdings | 43 | ETFIQ |
| Top ten weight | 67.7% | ETFIQ |
| Holdings published for | Oct 1, 2026 | the issuer’s daily file |
| Already in the S&P 500, by weight | 73.2% | ETFIQ |
| Active share vs the S&P 500 | 98.7% | ETFIQ |
| Already in the Nasdaq-100, by weight | 24.9% | ETFIQ |

## Questions

### How has IYM performed?

Over the year to Oct 2, 2026, IYM returned +22.5% with distributions reinvested, against +16.2% for the S&P 500. Over three years the figure is +52.0%.

### What does IYM cost?

The prospectus expense ratio is 0.37% a year.

### What does IYM hold?

43 positions as published by its issuer for Oct 1, 2026, with the top ten at 67.7% of the fund. 73% of its weight is in stocks the S&P 500 also holds.

### How far is IYM below its high?

8.0% below its high of Aug 25, 2026, measured on the reinvested series to Oct 2, 2026.


## Cite this page

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

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