IEZvsBESFETF Comparison
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iShares U.S. Oil Equipment & Services ETF (IEZ) and Bastion Energy ETF (BESF) belong to the same industry segment: US Energy. Both ETFs have the same top 3 sector exposures: and Energy. IEZ is less expensive with a Total Expense Ratio (TER) of 0.38%, versus 0.8% for BESF. IEZ is up 47.12% year-to-date (YTD) with +$454M in YTD flows. BESF performs worse with 18.79% YTD performance, and +$3M in YTD flows. Run a side-by-side ETF comparison of IEZ and BESF 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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IEZ vs BESF performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 06/12/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IEZ BESF | -2.42%-2.18% | +14.98%+2.15% | +47.12%+18.79% | +73.87%+62.64% | +70.19%n/a | +101.96%n/a |
| Flows | IEZ BESF | +$51M+$783K | +$223M+$2M | +$454M+$3M | +$449M+$17M | +$415M- | +$482M- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IEZ BESF | +28.39%+23.46% | +29.06%+24.59% | +30.27%n/a | +36.35%n/a |
| Max drawdown | IEZ BESF | -8.59%-9.88% | -10.28%-9.88% | -40.22%n/a | -40.22%n/a |
| Max drawdown duration | IEZ BESF | 25d50d | 24d50d | 861dn/a | 861dn/a |
Trading data
IEZ | BESF | |
Last sale 6/12/2026 at 1:30 PM | $30.61 | $39.58 |
| Previous close 06/11/2026 | $30.50 | $39.10 |
| Consolidated volume 06/11/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of May 29, 2026
1-year trailing difference
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BESF
is actively managed and doesn’t replicate an indexIEZ | BESF | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 6/12/2026 at 1:30 PM
Live
Closed
IEZ | BESF | |
|---|---|---|
| Last price | $30.61 | $39.58 |
| 1D performance | +0.36% | +1.22% |
| AuM | $667.61 M | $34.07 M |
| E/R | 0.38% | 0.8% |
Characteristics
IEZ | BESF | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | EA Series Trust |
| Benchmark | Dow Jones U.S. Select Oil Equipment & Services Index | - |
| N° of holdings | 26 | 19 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 1, 2006 | June 4, 2025 |
| ESG | No | No |
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Exposure
Countries
IEZ
USA
56.36%
United Kingdom
7.6%
Other
36.03%
BESF
USA
87.26%
Other
12.74%
Sectors
IEZ
Energy
92.38%
Other
7.62%
BESF
Energy
75.76%
Other
24.24%
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Diversification
IEZ
Total weight of top 15 holdings out of 15
85.95%
BESF
Total weight of top 15 holdings out of 15
71.51%
Top 15 holdings
Data as of April 30, 2026
IEZ
BAKER HUGHES
22.86%
SCHLUMBERGER
22.84%
HALLIBURTON
4.56%
TECHNIPFMC PLC
4.54%
WEATHERFORD INTL PLC
3.77%
NOV INC
3.52%
ARCHROCK
3.24%
TRANSOCEAN
3.22%
VALARIS LTD
3.13%
GB00BMXNWH07
3.06%
US50012A1088
2.69%
LIBERTY OILFIELD SERVICES
2.61%
PATTERSON UTI
2.01%
TIDEWATER
1.96%
HELMERICH AND PAYNE
1.92%
BESF
NEXTDECADE CORPORATION
8.04%
CHENIERE ENERGY
5.85%
ENTERPRISE PRODUCTS PARTNERS UNT
5.19%
WILLIAMS
5.05%
ONEOK
4.98%
PROPETRO HOLDING
4.77%
SEMPRA ENERGY
4.61%
ANTERO RESOURCES
4.49%
EQT
4.43%
EOG RESOURCES
4.28%
KINETIK HOLDINGS INC
4.13%
DIAMONDBACK ENERGY
4.08%
WESTERN MIDSTREAM PARTNERS LP
3.96%
DEVON ENERGY
3.95%
US6420451089
3.70%
Frequently asked questions about IEZ and BESF
How have the IEZ and BESF ETFs performed in 2026?
As of June 12, 2026, IEZ is up 47.12% year-to-date (YTD), while BESF has returned 18.79%. That puts IEZ better performer ahead so far this year.
Which ETF is attracting more investor money: IEZ or BESF?
Year-to-date, the IEZ ETF saw +$454M in flows, compared to +$3M for BESF.
Which ETF is more volatile: IEZ or BESF?
Over the past year, IEZ had a volatility of 29.06%, while BESF experienced 24.59%.
Which ETF is bigger: IEZ or BESF?
As of June 12, 2026, IEZ holds $667.61 M in assets under management (AUM), while BESF manages $34.07 M.
What sectors do the IEZ and BESF ETFs invest in?
IEZ leans toward sectors like Energy. Meanwhile, BESF focuses on Energy.
What are the top holdings of the IEZ ETF and BESF ETF?
IEZ top holdings include BAKER HUGHES, SCHLUMBERGER and HALLIBURTON. BESF holds in its top three: NEXTDECADE CORPORATION, CHENIERE ENERGY and ENTERPRISE PRODUCTS PARTNERS UNT.
Which ETF is more diversified: IEZ or BESF?
IEZ holds 32 securities with 85.95% of its assets in the top 15. BESF has 20 securities and a top 15 weight of 71.51%.
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Latest news about IEZ & BESF
Energy Sector Plummets on Fed Comments and Crude Oil Stocks
May 27, 2024
IEZ
Oil Prices Fall After a Surprise Jump in U.S. Crude Stockpiles
January 16, 2024
IEZ
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