XMEvsIYMETF Comparison
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State Street SPDR S&P Metals & Mining ETF (XME) and iShares U.S. Basic Materials ETF (IYM) belong to the same industry segment: US Materials. XME's top 2 sector exposures are Non-Energy Materials and Energy. In contrast, IYM's top sector exposures are Non-Energy Materials, Industrials and Non-Corporate. XME is less expensive with a Total Expense Ratio (TER) of 0.35%, versus 0.37% for IYM. XME is up 15.1% year-to-date (YTD) with +$1.07B in YTD flows. IYM performs better with 24.64% YTD performance, and +$377M in YTD flows. Run a side-by-side ETF comparison of XME and IYM below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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XME vs IYM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/09/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | XME IYM | +1.35%+0.00% | +2.71%+6.04% | +15.10%+24.64% | +43.55%+29.80% | +135.14%+52.50% | +181.10%+58.90% |
| Flows | XME IYM | +$301M+$194M | -$157M-$147M | +$1.07B+$377M | +$1.60B+$459M | +$1.35B+$268M | +$1.13B+$2M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | XME IYM | +37.34%+20.78% | +38.06%+20.49% | +31.38%+18.65% | +32.76%+20.55% |
| Max drawdown | XME IYM | -19.06%-8.61% | -26.46%-13.67% | -30.47%-23.58% | -37.25%-29.91% |
| Max drawdown duration | XME IYM | 70d52d | 99d102d | 237d352d | 760d709d |
Trading data
XME | IYM | |
Last sale 9/10/2026 at 1:30 PM | $114.77 | $186.03 |
| Previous close 09/09/2026 | $119.19 | $190.06 |
| Consolidated volume 09/09/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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XME | IYM | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/10/2026 at 1:30 PM
Live
Closed
XME | IYM | |
|---|---|---|
| Last price | $114.77 | $186.03 |
| 1D performance | -3.71% | -2.12% |
| AuM | $4.90 B | $1.22 B |
| E/R | 0.35% | 0.37% |
Characteristics
XME | IYM | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | State Street Investment Management | iShares |
| Benchmark | S&P Metals & Mining Select Industry Index | Russell 1000 Basic Materials RIC 22.5/45 Capped Gross Index |
| N° of holdings | 39 | 40 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | June 19, 2006 | June 12, 2000 |
| ESG | No | No |
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Exposure
Countries
XME
USA
98.59%
Other
1.41%
IYM
USA
77.14%
United Kingdom
22.79%
Other
0.07%
Sectors
XME
Non-Energy Materi.
80.69%
Energy
19.25%
Other
0.05%
IYM
Non-Energy Materi.
94.77%
Other
5.23%
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Diversification
XME
Total weight of top 15 holdings out of 15
64.8%
IYM
Total weight of top 15 holdings out of 15
78.06%
Top 15 holdings
Data as of July 31, 2026
XME
Centrus Energy Corp.
5.14%
Reliance, Inc.
4.60%
Nucor Corp.
4.59%
Uranium Energy Corp.
4.55%
Newmont Corp.
4.51%
Freeport-McMoRan, Inc.
4.51%
Royal Gold, Inc.
4.50%
Hecla Mining Co.
4.49%
Coeur Mining, Inc.
4.32%
Steel Dynamics, Inc.
4.18%
Commercial Metals Co.
4.17%
Cleveland-Cliffs, Inc.
4.15%
Core Natural Resources, Inc.
3.91%
Warrior Met Coal, Inc.
3.72%
MP Materials Corp.
3.46%
IYM
Linde Plc
21.20%
Newmont Corp.
9.29%
Freeport-McMoRan, Inc.
8.27%
Ecolab, Inc.
6.35%
Air Products & Chemicals, Inc.
4.99%
Nucor Corp.
4.43%
Fastenal Co.
4.29%
Anglogold Ashanti Plc
3.46%
Steel Dynamics, Inc.
3.08%
Carpenter Technology Corp.
2.47%
International Paper Co.
2.31%
Reliance, Inc.
2.09%
International Flavors & Fragrances, Inc.
2.08%
CF Industries Holdings, Inc.
1.97%
RBC Bearings, Inc.
1.79%
Frequently asked questions about XME and IYM
How have the XME and IYM ETFs performed in 2026?
As of September 9, 2026, XME is up 15.1% year-to-date (YTD), while IYM has returned 24.64%. That puts IYM better performer ahead so far this year.
Which ETF is attracting more investor money: XME or IYM?
Year-to-date, the XME ETF saw +$1.07B in flows, compared to +$377M for IYM.
Which ETF is more volatile: XME or IYM?
Over the past year, XME had a volatility of 38.06%, while IYM experienced 20.49%.
Which ETF is bigger: XME or IYM?
As of September 9, 2026, XME holds $4.90 B in assets under management (AUM), while IYM manages $1.22 B.
What sectors do the XME and IYM ETFs invest in?
XME leans toward sectors like Non-Energy Materials and Energy. Meanwhile, IYM focuses on Non-Energy Materials.
What are the top holdings of the XME ETF and IYM ETF?
XME top holdings include Centrus Energy Corp., Reliance, Inc. and Nucor Corp.. IYM holds in its top three: Linde Plc, Newmont Corp. and Freeport-McMoRan, Inc..
Which ETF is more diversified: XME or IYM?
XME holds 39 securities with 64.8% of its assets in the top 15. IYM has 40 securities and a top 15 weight of 78.06%.
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