IYMvsFXZETF Comparison
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iShares U.S. Basic Materials ETF (IYM) and First Trust Materials AlphaDEX Fund ETF (FXZ) belong to the same industry segment: US Materials. Both ETFs have the same top 3 sector exposures: Non-Energy Materials and Industrials. IYM is less expensive with a Total Expense Ratio (TER) of 0.38%, versus 0.64% for FXZ. IYM is up 14.83% year-to-date (YTD) with +$403M in YTD flows. FXZ performs better with 21.15% YTD performance, and +$117M in YTD flows. Run a side-by-side ETF comparison of IYM and FXZ 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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IYM vs FXZ performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/31/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IYM FXZ | -2.00%-1.79% | -2.76%-2.11% | +14.83%+21.15% | +26.80%+35.81% | +32.98%+20.32% | +46.00%+46.43% |
| Flows | IYM FXZ | -$224M-$12M | -$324M+$731K | +$403M+$117M | +$470M+$90M | +$180M-$219M | -$119M+$16M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IYM FXZ | +22.38%+23.04% | +19.91%+22.62% | +18.46%+21.93% | +20.49%+24.35% |
| Max drawdown | IYM FXZ | -8.61%-11.21% | -13.67%-12.79% | -23.58%-33.94% | -29.91%-33.94% |
| Max drawdown duration | IYM FXZ | 45d45d | 102d36d | 352d639d | 709d639d |
Trading data
IYM | FXZ | |
Last sale 7/31/2026 at 1:30 PM | $175.70 | $76.68 |
| Previous close 07/30/2026 | $179.22 | $78.00 |
| Consolidated volume 07/30/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of July 31, 2026
1-year trailing difference
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IYM | FXZ | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 7/31/2026 at 1:30 PM
Live
Closed
IYM | FXZ | |
|---|---|---|
| Last price | $175.70 | $76.68 |
| 1D performance | -1.96% | -1.69% |
| AuM | $1.16 B | $374.60 M |
| E/R | 0.38% | 0.64% |
Characteristics
IYM | FXZ | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | First Trust |
| Benchmark | Russell 1000 Basic Materials RIC 22.5/45 Capped Gross Index | StrataQuant Materials Index |
| N° of holdings | 39 | 38 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | June 12, 2000 | May 8, 2007 |
| ESG | No | No |
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Exposure
Countries
IYM
USA
76.91%
United Kingdom
22.99%
Other
0.1%
FXZ
USA
96.29%
Other
3.71%
Sectors
IYM
Non-Energy Materi.
94.72%
Other
5.28%
FXZ
Non-Energy Materi.
94.99%
Other
5.01%
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Diversification
IYM
Total weight of top 15 holdings out of 15
77.3%
FXZ
Total weight of top 15 holdings out of 15
62.42%
Top 15 holdings
Data as of June 30, 2026
IYM
Linde Plc
21.60%
Newmont Corp.
9.05%
Freeport-McMoRan, Inc.
8.18%
Ecolab, Inc.
6.32%
Air Products & Chemicals, Inc.
4.87%
Fastenal Co.
4.41%
Nucor Corp.
3.84%
Anglogold Ashanti Plc
3.39%
Carpenter Technology Corp.
3.02%
Steel Dynamics, Inc.
2.79%
International Flavors & Fragrances, Inc.
2.07%
RBC Bearings, Inc.
2.05%
International Paper Co.
2.04%
Reliance, Inc.
1.94%
Royal Gold, Inc.
1.73%
FXZ
Steel Dynamics, Inc.
5.71%
NewMarket Corp.
5.68%
RBC Bearings, Inc.
5.29%
Carpenter Technology Corp.
5.02%
The Timken Co.
4.57%
Nucor Corp.
4.20%
Eastman Chemical Co.
4.07%
Reliance, Inc.
3.97%
Anglogold Ashanti Plc
3.89%
The Mosaic Co.
3.87%
CF Industries Holdings, Inc.
3.86%
Mueller Industries, Inc.
3.36%
Solstice Advanced Materials, Inc.
3.03%
Linde Plc
2.99%
Ecolab, Inc.
2.91%
Frequently asked questions about IYM and FXZ
How have the IYM and FXZ ETFs performed in 2026?
As of July 31, 2026, IYM is up 14.83% year-to-date (YTD), while FXZ has returned 21.15%. That puts FXZ better performer ahead so far this year.
Which ETF is attracting more investor money: IYM or FXZ?
Year-to-date, the IYM ETF saw +$403M in flows, compared to +$117M for FXZ.
Which ETF is more volatile: IYM or FXZ?
Over the past year, IYM had a volatility of 19.91%, while FXZ experienced 22.62%.
Which ETF is bigger: IYM or FXZ?
As of July 31, 2026, IYM holds $1.16 B in assets under management (AUM), while FXZ manages $374.60 M.
What sectors do the IYM and FXZ ETFs invest in?
IYM leans toward sectors like Non-Energy Materials. Meanwhile, FXZ focuses on Non-Energy Materials.
What are the top holdings of the IYM ETF and FXZ ETF?
IYM top holdings include Linde Plc, Newmont Corp. and Freeport-McMoRan, Inc.. FXZ holds in its top three: Steel Dynamics, Inc., NewMarket Corp. and RBC Bearings, Inc..
Which ETF is more diversified: IYM or FXZ?
IYM holds 39 securities with 77.3% of its assets in the top 15. FXZ has 38 securities and a top 15 weight of 62.42%.
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Latest news about IYM & FXZ
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