IYM holdings and overlap
iShares U.S. Basic Materials ETF (IYM) holds 40 positions in its iShares file of 2026-10-27. Its three largest are Linde (LIN) at 20.59%, Newmont (NEM) at 10.47% and Freeport-McMoRan (FCX) at 8.35%, and its ten largest make up 68.6% of the fund.
In its iShares file of 2026-10-27, IYM is 89.9% materials and 10.0% industrials by sector, with none of it in mega-cap tech or in the ten largest US companies by market value. By country, 94.1% of IYM is in the United States, 3.3% in the United Kingdom and 1.9% in Peru.
What does IYM hold, as of its issuer file of 2026-10-27?
Linde is 20.59% of IYM on its own, against a median largest position of 7.8% across the 11 Materials funds with a page here. The position IYM carries furthest above that group is Newmont at 10.47% of the fund, against a 3.94% median there.
| Rank | Company | Weight | Weight bar |
|---|---|---|---|
| 1 | LIN Linde | 20.59% | |
| 2 | NEM Newmont | 10.47% | |
| 3 | FCX Freeport-McMoRan | 8.35% | |
| 4 | ECL Ecolab | 6.46% | |
| 5 | APD Air Products | 4.84% | |
| 6 | NUE Nucor | 4.48% | |
| 7 | FAST Fastenal | 4.46% | |
| 8 | AU AngloGold Ashanti | 3.33% | |
| 9 | STLD Steel Dynamics | 3.12% | |
| 10 | IFF International Flavors & Fragrances | 2.46% | |
| 11 | RS Reliance | 2.27% | |
| 12 | RGLD Royal Gold | 2.1% | |
| 13 | CF CF Industries | 1.9% | |
| 14 | SCCO Southern Copper | 1.87% | |
| 15 | IP International Paper | 1.81% | |
| 16 | LYB LyondellBasell | 1.79% | |
| 17 | RBC RBC Bearings | 1.55% | |
| 18 | CDE Coeur Mining | 1.51% | |
| 19 | CRS Carpenter Technology | 1.44% | |
| 20 | AVY Avery Dennison | 1.44% | |
| 21 | MLI Mueller Industries | 1.23% | |
| 22 | ALB Albemarle | 1.2% | |
| 23 | AA Alcoa | 1.08% | |
| 24 | SOLS Solstice Advanced Materials Inc | 1.03% | |
| 25 | HL Hecla Mining | 0.95% | |
| 26 | ESI Element Solutions | 0.82% | |
| 27 | CLF Cleveland-Cliffs | 0.81% | |
| 28 | CTVA Corteva | 0.81% | |
| 29 | EMN Eastman Chemical | 0.77% | |
| 30 | TKR Timken | 0.75% | |
| 31 | MOS Mosaic | 0.62% | |
| 32 | HXL Hexcel | 0.61% | |
| 33 | MP MP Materials | 0.6% | |
| 34 | NEU NewMarket | 0.55% | |
| 35 | CE Celanese | 0.55% | |
| 36 | AUGO Aura Minerals Inc | 0.34% | |
| 37 | SMG Scotts Miracle-Gro | 0.27% | |
| 38 | WLK Westlake | 0.22% | |
| 39 | ALM Almonty Industries | 0.22% | |
| 40 | OLN Olin | 0.19% |
The most recent file iShares has published for IYM is dated 2026-10-27, 1 day before these prices, which is the median for the iShares ETFs covered here. Every one of the 40 positions IYM holds, with its weight, is in the fund's JSON file. See the other 104 ETFs with a page here that hold LIN, and how their weights compare with the 20.59% IYM gives it.
Category: Materials, set by TickerInside from the ETF's own latest file. In its file of 2026-10-27, 90% of its stocks whose sector is known are materials companies, each in the sector the site gives that company. How categories are set.
https://tickerinside.com/api/v1/fund/iym.jsonhttps://tickerinside.com/api/v1/fund/iym.csv=IMPORTDATA("https://tickerinside.com/api/v1/fund/iym.csv")If your sheet uses a decimal comma: =IMPORTDATA("https://tickerinside.com/api/v1/fund/iym.csv"; ","; "en_US")curl -s https://tickerinside.com/api/v1/fund/iym.jsonHow much money went into or out of IYM?
On the close of Friday, October 23, 2026, IYM neither created nor redeemed shares. Over its last 5 closes, a net outflow of $19 million.
From IYM's own holdings files. Every ETF's latest flows.
How is IYM split by sector and country?
| Sector | Weight | Weight bar |
|---|---|---|
| Materials | 89.9% | |
| Industrials | 10.0% |
| Country | Weight | Weight bar |
|---|---|---|
| United States | 94.1% | |
| United Kingdom | 3.3% | |
| Peru | 1.9% | |
| Brazil | 0.3% | |
| Canada | 0.2% |
From its iShares file of 2026-10-27. How these are measured.
What did IYM hold in its SEC reports since 2019?
IYM's largest position in its SEC filings has been Linde plc (LIN) since 2019-10-31: 17.78% then and 20.35% in its report for 2026-07-31, across 27 quarterly reports.
| Report | Positions | Largest | Top 10 |
|---|---|---|---|
| 2019-10-31 | 45 | LIN 17.78% | 68.0% |
| 2020-10-31 | 35 | LIN 19.00% | 73.2% |
| 2021-10-31 | 35 | APD 9.86% | 61.4% |
| 2022-10-31 | 37 | LIN 18.09% | 62.6% |
| 2023-10-31 | 38 | LIN 20.98% | 65.2% |
| 2024-10-31 | 35 | LIN 21.19% | 64.8% |
| 2025-10-31 | 37 | LIN 20.10% | 64.0% |
| 2026-07-31 | 39 | LIN 20.35% | 67.5% |
The first report, then the last of each year, of the 27 reports IYM filed on SEC Form N-PORT from 2019-10-31 to 2026-07-31, each company under its ticker today. Every position of every report is in its quarterly file, and at any date at /api/v1/history/iym/{date}.json. How these are read.
What does IYM duplicate?
The ETF nearest to IYM is VAW: the two hold 60.6% of their weight in common, in the 30 companies both own, and 84.2% of IYM itself is also held there. Owning IYM alongside the ETFs at the top of this table means about half of the weight is held twice.
| ETF | Overlap by weight | Of IYM held there | Of that ETF in IYM | Companies in both | Overlap bar |
|---|---|---|---|---|---|
| VAW | 60.6% | 84.2% | 63.6% | 30 | |
| XLB | 53.4% | 69.6% | 61.0% | 14 | |
| RSPM | 39.1% | 69.6% | 56.2% | 14 | |
| MXI | 26.9% | 71.5% | 27.0% | 15 | |
| XME | 26.7% | 35.8% | 55.6% | 11 | |
| GDX | 18.5% | 18.7% | 21.6% | 6 | |
| PICK | 17.0% | 22.6% | 17.0% | 8 | |
| ICOP | 15.7% | 21.1% | 19.6% | 4 | |
| PAVE | 14.8% | 20.7% | 15.1% | 10 | |
| RING | 12.0% | 12.0% | 20.2% | 2 | |
| SLX | 10.7% | 10.7% | 17.8% | 4 | |
| QMOM | 9.5% | 22.1% | 13.5% | 7 |
VAW's holdings are from its SEC Form N-PORT for the period ended 2026-05-31, filed 2026-07-29. The holdings of GDX, SLX and QMOM are from their SEC Form N-PORT filings for the period ended 2026-06-30, filed 2026-08-26. The other ETFs' holdings are from their issuers' latest files. Check IYM against any ETF in the ETF overlap calculator · how overlap is measured.
What adds something different to IYM?
SMIN shares 0% of weight with IYM and its weekly returns correlate with it at 0.29 over three years. The table lists the covered ETFs with the least in common with IYM, least shared weight first and, among equals, lowest correlation.
| ETF | Name | Overlap by weight | Correlation, 3y | Companies in both |
|---|---|---|---|---|
| SMIN | iShares MSCI India Small-Cap ETF | 0.0% | 0.29 | 0 |
| MCHI | iShares MSCI China ETF | 0.0% | 0.36 | 0 |
| SOXX | iShares Semiconductor ETF | 0.0% | 0.47 | 0 |
| PABU | iShares Paris-Aligned Climate Optimized MSCI USA ETF | 0.0% | 0.51 | 0 |
| PFF | iShares Preferred and Income Securities ETF | 0.0% | 0.52 | 0 |
| USRT | iShares Core U.S. REIT ETF | 0.0% | 0.54 | 0 |
| IYR | iShares U.S. Real Estate ETF | 0.0% | 0.54 | 0 |
| REET | iShares Global REIT ETF | 0.0% | 0.58 | 0 |
Cost, returns and risk
| Expense ratio | 0.37% |
|---|---|
| Dividend yield | 1.29% |
| Total return, 1 year | 29.4% |
| Total return, 3 years cumulative | 50.5% |
| Total return, 5 years cumulative | 44.1% |
| Volatility, annualised | 18.4% |
| Worst fall, 3 years | -20.4% |
| Beta against SPY, 3 years of weekly returns | 0.79 |
| Weight in the ten largest positions | 68.6% |
| Largest single position | 20.6% |
| Assets under management | $1.3B |
Expense ratio, yield and assets are reference data (the expense ratio from IYM's SEC filing of 2026-08-21); the weight in the ten largest positions and the largest single position are from the issuer file of 2026-10-27; every other figure is computed here from weekly closes.
How it moves with the market
| Against | Correlation, 3 years | Covariance, annualised, in percent squared |
|---|---|---|
| SPY | 0.60loosely linked | 153 |
| QQQ | 0.46loosely linked | 165 |
Weekly total returns. What the bands mean · why the covariance is printed.
Year by year
| Year | Total return |
|---|---|
| 2026 | 19.3% |
| 2025 | 20.4% |
| 2024 | -4.5% |
| 2023 | 12.8% |
| 2022 | -9.1% |
One year
Where to go next
- MXI, iShares Global Materials ETF
- PICK, iShares MSCI Global Metals & Mining Producers ETF
- REMX, VanEck Rare Earth and Strategic Metals ETF
- RSPM, Invesco S&P 500 Equal Weight Materials ETF
- Run a portfolio x-ray to see what IYM carries once you look through it
- Compare IYM against any other ETF in the builder
Holdings from the most recent file iShares has published, dated 2026-10-27. Prices through 2026-10-28. How every figure here is produced. Measurements, not investment advice.
Cite this page
TickerInside, iShares U.S. Basic Materials ETF (IYM), holdings from the issuer's file of 2026-10-27, https://tickerinside.com/etf/iym/, CC BY 4.0
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