Key Highlights

  • The fund holds 40 U.S. companies in the basic materials sector, including metals, chemicals and forestry producers.
  • Linde accounts for about 21% of the portfolio, making it the dominant holding.
  • The expense ratio is 0.37%, and net Assets stood at about US$1.15 billion.
  • The fund pays distributions quarterly and has a 30-day SEC Yield of 1.19%.

The iShares U.S. Basic Materials ETF (NYSE:IYM) gives investors access to U.S. companies that produce raw materials, including metals, chemicals and forestry products. The fund closed at $179.90 on 6 November 2026, with a net asset value of $179.83. It has been listed since 12 June 2000, making it one of the longer-running sector funds in the iShares range.

Fund detail

Data (as stated on the fund page)

Exchange

NYSE Arca

Closing price (6 Nov 2026)

$179.90

Net asset value (6 Nov 2026)

$179.83

Net assets (6 Nov 2026)

$1,150.9 million

Expense ratio

0.37%

Number of holdings

40

Benchmark index

Russell 1000 Basic Materials RIC 22.5/45 Capped Index

Fund inception

12 June 2000

Distribution frequency

Quarterly

30-day SEC yield (30 Sep 2026)

1.19%

Concentration and leading names

Linde is the largest holding at 21.05% of market value, followed by Newmont at 11.34% and Freeport-McMoRan at 7.60%. Ecolab, Air Products and Chemicals, Nucor, AngloGold Ashanti, Steel Dynamics and Royal Gold make up the next set of positions.

Fastenal is classified in the industrials sector but appears among the top holdings, which shows how the index defines the materials universe. The weight of the largest holding is significant, and it affects the portfolio's sensitivity to that one company.

Costs and trading

The expense ratio is 0.37%, and the fund had 6.4 million shares outstanding on 6 November 2026. Daily Volume was about 290,000 shares, with a 30-day median bid-ask spread of 0.05%. The premium on the day was 0.04%.

Distributions and benchmark

The fund pays distributions quarterly. Its 30-day SEC yield as of 30 September 2026 was 1.19%, and its price-to-earnings ratio stood at 26.66 as of 5 November 2026. It tracks the Russell 1000 Basic Materials RIC 22.5/45 Capped Index.

Final Word

IYM gives a diversified-looking route into U.S. raw-materials producers, although the largest holding carries a meaningful share of the portfolio. Readers can follow future index reviews and disclosures for changes in weighting.