iShares U.S. Basic Materials ETF (IYM) Holdings
IYM holdings summary
as of Oct 25, 2026- Holdings
- 40 positions listed
- Top 10 weight
- 68.3% of net assets
- Effective holdings
- 13 equal-weight equivalent
- Largest holding
- LIN 20.36% Linde plc
- Annual turnover
- 31.5% of the portfolio traded
All IYM holdings
| # | Name | ||||||
|---|---|---|---|---|---|---|---|
| 1 | LIN | Linde plc | Basic Materials | 20.36% | $261.5M | $229.77B | 32.2 |
| 2 | NEM | Newmont Corporation | Basic Materials | 10.74% | $137.9M | $124.97B | 15.0 |
| 3 | FCX | Freeport-McMoRan Inc. | Basic Materials | 8.25% | $105.9M | $99.86B | 34.3 |
| 4 | ECL | Ecolab Inc. | Basic Materials | 6.44% | $82.8M | $80.98B | 38.8 |
| 5 | APD | Air Products and Chemicals, Inc. | Basic Materials | 4.82% | $62.0M | $66.71B | — |
| 6 | FAST | Fastenal Company | Industrials | 4.79% | $61.5M | $58.55B | 41.5 |
| 7 | NUE | Nucor Corporation | Basic Materials | 4.32% | $55.4M | $58.15B | 20.4 |
| 8 | AU | AngloGold Ashanti Limited | Basic Materials | 3.23% | $41.5M | $46.95B | 12.4 |
| 9 | STLD | Steel Dynamics, Inc. | Basic Materials | 2.92% | $37.5M | $34.48B | 21.8 |
| 10 | IFF | International Flavors & Fragrances Inc. | Basic Materials | 2.43% | $31.2M | $23.15B | 89.8 |
| 11 | RS | Reliance Steel & Aluminum Co. | Basic Materials | 2.16% | $27.8M | $20.99B | 23.9 |
| 12 | RGLD | Royal Gold, Inc. | Basic Materials | 2.01% | $25.8M | $20.17B | 26.4 |
| 13 | IP | International Paper Company | Consumer Cyclical | 1.91% | $24.6M | $18.03B | — |
| 14 | CF | CF Industries Holdings, Inc. | Basic Materials | 1.84% | $23.7M | $18.29B | 9.0 |
| 15 | LYB | LyondellBasell Industries N.V. | Basic Materials | 1.81% | $23.2M | $20.68B | — |
| 16 | SCCO | Southern Copper Corporation | Basic Materials | 1.72% | $22.1M | $169.30B | 29.9 |
| 17 | RBC | RBC Bearings Incorporated | Industrials | 1.59% | $20.4M | $15.78B | 49.3 |
| 18 | CDE | Coeur Mining, Inc. | Basic Materials | 1.44% | $18.5M | $15.90B | 13.2 |
| 19 | AVY | Avery Dennison Corporation | Consumer Cyclical | 1.43% | $18.4M | $13.29B | 19.2 |
| 20 | CRS | Carpenter Technology Corporation | Industrials | 1.40% | $17.9M | $18.69B | 35.8 |
| 21 | MLI | Mueller Industries, Inc. | Industrials | 1.20% | $15.4M | $13.29B | 15.6 |
| 22 | ALB | Albemarle Corporation | Basic Materials | 1.16% | $14.8M | $11.27B | 353.6 |
| 23 | SOLS | Solstice Advanced Materials, Inc | Basic Materials | 1.03% | $13.3M | $9.41B | 44.9 |
| 24 | AA | Alcoa Corporation | Basic Materials | 1.01% | $13.0M | $10.94B | 7.2 |
| 25 | CTVA | Corteva, Inc. | Basic Materials | 0.89% | $11.5M | $8.59B | 8.0 |
| 26 | HL | Hecla Mining Company | Basic Materials | 0.89% | $11.4M | $10.28B | 19.9 |
| 27 | ESI | Element Solutions Inc | Basic Materials | 0.82% | $10.6M | $8.54B | 47.4 |
| 28 | EMN | Eastman Chemical Company | Basic Materials | 0.79% | $10.2M | $7.13B | 16.3 |
| 29 | TKR | The Timken Company | Industrials | 0.74% | $9.5M | $7.79B | 30.5 |
| 30 | CLF | Cleveland-Cliffs Inc. | Basic Materials | 0.74% | $9.5M | $6.91B | — |
| 31 | HXL | Hexcel Corporation | Industrials | 0.61% | $7.8M | $6.82B | 45.6 |
| 32 | MOS | The Mosaic Company | Basic Materials | 0.60% | $7.7M | $5.98B | — |
| 33 | MP | MP Materials Corp. | Basic Materials | 0.56% | $7.2M | $7.15B | — |
| 34 | CE | Celanese Corporation | Basic Materials | 0.55% | $7.1M | $5.21B | — |
| 35 | NEU | NewMarket Corporation | Basic Materials | 0.55% | $7.0M | $8.06B | 18.9 |
| 36 | AUGO | Aura Minerals Inc. Common Shares | Basic Materials | 0.33% | $4.2M | $7.31B | 24.6 |
| 37 | SMG | The Scotts Miracle-Gro Company | Basic Materials | 0.26% | $3.4M | $3.18B | 19.5 |
| 38 | WLK | Westlake Corporation | Basic Materials | 0.23% | $2.9M | $8.09B | — |
| 39 | ALM | Almonty Industries Inc. Common Shares | Basic Materials | 0.20% | $2.6M | $2.84B | 54.6 |
| 40 | OLN | Olin Corporation | Basic Materials | 0.19% | $2.4M | $1.78B | — |
Weights as a percentage of net assets. Value held = weight × net assets ($1.28B). Market cap and P/E from each company's latest fundamentals (U.S.-listed stocks).
IYM sector breakdown
| Sector | Weight | Holdings | Largest |
|---|---|---|---|
| Basic Materials | 85.3% | 32 | LIN, NEM, FCX |
| Industrials | 10.3% | 6 | FAST, RBC, CRS |
| Consumer Cyclical | 3.3% | 2 | IP, AVY |
Sum of the weights of the holdings in each sector.
IYM top industries
IYM overlap with other ETFs
| ETF | Fund | Overlap | Shared holdings | Expense ratio |
|---|---|---|---|---|
| VAW | Vanguard Materials ETF | 63.7% | 30 of 110 | 0.10% |
| FMAT | Fidelity MSCI Materials ETF | 63.5% | 30 of 103 | 0.08% |
| SMN | ProShares UltraShort Basic Materials | 57.0% | 24 of 46 | 0.91% |
| XLB | Materials Select Sector SPDR Fund | 53.5% | 14 of 24 | 0.09% |
| VTI | Vanguard Total Stock Market ETF | 1.4% | 36 of 2,941 | 0.03% |
| QQQ | Invesco QQQ ETF | 1.3% | 2 of 101 | 0.17% |
Overlap = sum over shared holdings of the smaller of the two weights. 100% means identical portfolios.
About the IYM portfolio
iShares U.S. Basic Materials ETF holds 40 positions. The ten largest make up 68.3% of the fund, so it behaves like a portfolio of about 13 equally weighted stocks. The biggest positions are Linde plc (20.36%), Newmont Corporation (10.74%), Freeport-McMoRan Inc. (8.25%), Ecolab Inc. (6.44%), Air Products and Chemicals, Inc. (4.82%).
By sector, Basic Materials is 85.3%, Industrials is 10.3%, Consumer Cyclical is 3.3%. Holdings data is from the fund's latest portfolio as reported by EODHD on October 25, 2026; positions change as the fund rebalances.
Related: IYM chart, IYM performance, IYM dividends, IYM valuation, IYM overview.
IYM holdings FAQ
How many holdings does IYM have?
IYM holds 40 positions as of October 25, 2026.
What are the top 10 holdings of IYM?
The ten largest holdings are Linde plc (20.36%), Newmont Corporation (10.74%), Freeport-McMoRan Inc. (8.25%), Ecolab Inc. (6.44%), Air Products and Chemicals, Inc. (4.82%), Fastenal Company (4.79%), Nucor Corporation (4.32%), AngloGold Ashanti Limited (3.23%), Steel Dynamics, Inc. (2.92%), International Flavors & Fragrances Inc. (2.43%). Together they are 68.3% of the fund.
What percentage of IYM is Linde plc?
Linde plc is the largest holding at 20.36% of net assets, about $261.5M of the fund's $1.28B.
Which sector is the largest in IYM?
Basic Materials is the largest sector at 85.3%, followed by Industrials (10.3%) and Consumer Cyclical (3.3%), based on the sectors of the individual holdings.
How concentrated is IYM?
The top 10 holdings are 68.3% of the fund. By the effective number of holdings (1 divided by the sum of squared weights) IYM behaves like a portfolio of about 13 equally weighted stocks.