IYM Holdings — iShares U.S. Basic Materials ETF
Data updated: 2026-09-23
IYM holds 42 securities. The top 10 make up 67.5% of net assets, led by New Linde (20.35%) and Newmont (9.28%). Materials (88.3%) and Industrials (9.3%) are the largest sectors, and 74.6% of the portfolio is in United States. No debt holdings are reported.
Holdings cover 100.49% of net asset value (99.89% of total assets; remainder is cash and receivables). As of July 31, 2026 · N-PORT.
IYM Portfolio Holdings
42 holdings of iShares U.S. Basic Materials ETF by percentage of net assets, from the fund's SEC N-PORT filing as of July 31, 2026.
| Holding | Ticker | Sector | % of net assets | Value (USD) |
|---|---|---|---|---|
| New Linde PLC | LIN | Materials | 20.35% | $236.06M |
| Newmont Corp. | NEM | Materials | 9.28% | $107.66M |
| Freeport Mcmoran, Inc. | FCX | Materials | 8.33% | $96.61M |
| Ecolab, Inc. | ECL | Materials | 6.44% | $74.70M |
| Air Products Chemicals | APD | Materials | 5.01% | $58.07M |
| Nucor Corp. | NUE | Materials | 4.53% | $52.51M |
| Fastenal Co. | FAST | Industrials | 4.48% | $51.95M |
| Anglogold Ashanti PLC | AU | Materials | 3.40% | $39.43M |
| Steel Dynamics, Inc. | STLD | Materials | 3.13% | $36.26M |
| Carpenter Technology Corp. | CRS | Materials | 2.60% | $30.12M |
| International Paper Co. | IP | Materials | 2.23% | $25.89M |
| Reliance, Inc. | RS | Industrials | 2.16% | $25.00M |
| International Flavors Fragrances | IFF | Materials | 2.11% | $24.48M |
| Cf Industries Holdings | CF | Materials | 2.00% | $23.20M |
| Rbc Bearings, Inc. | RBC | Industrials | 1.79% | $20.78M |
| Southern Copper Corp. | SCCO | Materials | 1.75% | $20.34M |
| Royal Gold, Inc. | RGLD | Financials | 1.75% | $20.33M |
| Lyondellbasell Industries NV Cl A | LYB | Materials | 1.67% | $19.36M |
| Coeur Mining, Inc. | CDE | Materials | 1.60% | $18.52M |
| Mueller Industries, Inc. | MLI | Materials | 1.50% | $17.42M |
| Albemarle Corp. | ALB | Materials | 1.45% | $16.77M |
| Avery Dennison Corp. | AVY | Materials | 1.36% | $15.72M |
| Alcoa Corp. | AA | Materials | 1.24% | $14.40M |
| Solstice Advanced Materials, Inc. | SOLS | Materials | 1.00% | $11.58M |
| Hecla Mining Co. | HL | Materials | 0.93% | $10.79M |
| Timken Co. the | TKR | Industrials | 0.92% | $10.70M |
| Element Solutions, Inc. | ESI | Materials | 0.87% | $10.13M |
| Eastman Chemical Co. | EMN | Materials | 0.83% | $9.59M |
| Hexcel Corp. | HXL | Materials | 0.80% | $9.32M |
| Mosaic Co. the | MOS | Materials | 0.73% | $8.50M |
| Cleveland Cliffs, Inc. | CLF | Materials | 0.68% | $7.89M |
| Mp Materials Corp. | MP | Materials | 0.62% | $7.18M |
| Blackrock Cash Funds Institutional Fund Sl Agency | — | Funds & ETFs | 0.56% | $6.50M |
| Newmarket Corp. | NEU | Materials | 0.55% | $6.33M |
| Celanese Corporation | CE | Materials | 0.52% | $6.05M |
| Scotts Miracle Gro Co. | SMG | Materials | 0.30% | $3.53M |
| Almonty Industries, Inc. | ALM | Materials | 0.25% | $2.90M |
| Westlake Corp. | WLK | Materials | 0.24% | $2.81M |
| Aura Minerals, Inc. | AUGO | Materials | 0.23% | $2.68M |
| Olin Corp. | OLN | Materials | 0.22% | $2.54M |
| Blackrock Cash Funds Treasury | — | Funds & ETFs | 0.08% | $957.64K |
| Xab Materials Sep26 | 1XABU26 | Unknown | -0.00% | $-21.24K |
IYM Sector Allocation
iShares U.S. Basic Materials ETF holdings grouped by sector, by share of the portfolio's market value.
| Sector | Weight | Holdings |
|---|---|---|
| Materials | 88.3% | 34 |
| Industrials | 9.3% | 4 |
| Financials | 1.7% | 1 |
| Funds & ETFs | 0.6% | 2 |
| Unknown | -0.0% | 1 |
IYM Country Allocation
Where iShares U.S. Basic Materials ETF's holdings are domiciled, by percentage of net assets (largest 6).
| Country | % of net assets |
|---|---|
| United States | 74.6% |
| Ireland | 20.4% |
| United Kingdom | 3.4% |
| Netherlands | 1.7% |
| Canada | 0.2% |
| British Virgin Islands | 0.2% |
IYM Portfolio Allocation
Asset-class allocation of iShares U.S. Basic Materials ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.8% |
| Cash & Equivalents | 0.6% |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.