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IEZvsIEOETF Comparison
iShares U.S. Oil Equipment & Services ETF (IEZ) and iShares U.S. Oil & Gas Exploration & Production ETF (IEO) belong to the same industry segment: US Energy. Both ETFs have the same top 3 sector exposures: and Energy. Both IEZ and IEO have the same Total Expense Ratio (TER) of 0.38%. IEZ is up 27.95% year-to-date (YTD) with +$229M in YTD flows. IEO performs better with 30.81% YTD performance, and +$26M in YTD flows. Run a side-by-side ETF comparison of IEZ and IEO below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
IEZ vs IEO performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IEZ IEO | -2.83%+12.83% | +24.33%+25.76% | +27.95%+30.81% | +45.79%+33.69% | +42.24%+51.55% | +83.15%+155.45% |
| Flows | IEZ IEO | +$191M+$11M | +$216M+$13M | +$229M+$26M | +$202M-$99M | +$8M-$458M | +$82M+$5M |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IEZ IEO | +30.83%+26.86% | +36.66%+30.65% | +31.44%+25.66% | +37.09%+30.86% |
| Max drawdown | IEZ IEO | -8.10%-5.07% | -25.63%-21.90% | -40.22%-31.40% | -40.22%-31.40% |
| Max drawdown duration | IEZ IEO | 15d30d | 176d176d | 861d683d | 861d683d |
IEZ | IEO | |
Last sale 3/13/2026 at 3:59 PM | $26.53 | $116.78 |
| Previous close 03/12/2026 | $26.67 | $116.78 |
| Consolidated volume 03/12/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Create an account to view replication metrics
IEZ | IEO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
IEZ | IEO | |
|---|---|---|
| Last price | $26.53 | $116.78 |
| 1D performance | -0.52% | +0.00% |
| AuM | $388.42 M | $566.43 M |
| E/R | 0.38% | 0.38% |
IEZ | IEO | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | iShares |
| Benchmark | Dow Jones U.S. Select Oil Equipment & Services Index | Dow Jones U.S. Select Oil Exploration & Production Index |
| N° of holdings | 26 | 40 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 1, 2006 | May 1, 2006 |
| ESG | No | No |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the IEZ and IEO ETFs performed in 2026?
As of March 12, 2026, IEZ is up 27.95% year-to-date (YTD), while IEO has returned 30.81%. That puts IEO better performer ahead so far this year.
Which ETF is attracting more investor money: IEZ or IEO?
Year-to-date, the IEZ ETF saw +$229M in flows, compared to +$26M for IEO.
Which ETF is more volatile: IEZ or IEO?
Over the past year, IEZ had a volatility of 36.66%, while IEO experienced 30.65%.
Which ETF is bigger: IEZ or IEO?
As of March 12, 2026, IEZ holds $388.42 M in assets under management (AUM), while IEO manages $566.43 M.
What sectors do the IEZ and IEO ETFs invest in?
IEZ leans toward sectors like Energy. Meanwhile, IEO focuses on Energy.
What are the top holdings of the IEZ ETF and IEO ETF?
IEZ top holdings include SCHLUMBERGER, BAKER HUGHES and TECHNIPFMC PLC. IEO holds in its top three: CONOCOPHILLIPS, EOG RESOURCES and PHILLIPS 66.
Which ETF is more diversified: IEZ or IEO?
IEZ holds 31 securities with 85.99% of its assets in the top 15. IEO has 47 securities and a top 15 weight of 82.79%.
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