What Is the IEO ETF? A Complete Guide to Returns, Expense Ratio, Holdings and Alternative ETFs
The iShares U.S. Oil & Gas Exploration & Production ETF is a passive sector product that invests in U.S. exploration and production companies. Sector concentration, fees and the oil price outlook are the key points to check, and comparison with broad energy ETFs is the main selection criterion. The ticker is IEO.
SubscribeWhat Is the iShares U.S. Oil & Gas Exploration & Production ETF?
It is a passive sector ETF that tracks an index of U.S. companies that explore for and produce crude oil and natural gas. It has more direct exposure to oil prices than integrated oil companies do.
It suits sector investors who want to bet directly on oil prices and are willing to accept the heavy volatility that comes with sector concentration.
It is a passive (index-tracking) ETF managed by iShares.
How Does the iShares U.S. Oil & Gas Exploration & Production ETF Invest?
| Item | Details |
|---|---|
| Tracking index | U.S. Select Oil & Gas Exploration & Production Index |
| Management style | Passive (index-tracking) |
| Rebalancing frequency | Periodic (per index rules) |
| Dividend frequency | Quarterly |
| Expense ratio | 0.37% |
The ETF tracks an index of U.S. companies that explore for and produce crude oil and natural gas, using market-cap weighting. Because it focuses on exploration and production rather than refining or oilfield services, it has more direct exposure to oil price movements, and a handful of top holdings carry sizable weights.
- Focus on oil and gas exploration and production
- Structure with more direct exposure to oil prices
iShares U.S. Oil & Gas Exploration & Production ETF Size and Costs (AUM·Management Fee)
Assets under management (AUM) stand at $914.6M, and the expense ratio is 0.37% per year.
Unlike broad energy ETFs or integrated oil companies, it is concentrated in exploration and production, so it reacts more sensitively to oil price changes and tends to be highly volatile.
iShares U.S. Oil & Gas Exploration & Production ETF Performance and Trends
1-Year Price Performance
Dividend & Yield
52-Week Price RangeExploration and production companies react very sensitively to crude oil and natural gas prices. When oil prices are strong, they can post bigger gains than integrated oil companies, but for the same reason they can fall harder when oil prices are weak, which makes volatility high.
Money tends to flow into exploration and production ETFs when oil prices are strong and expectations for energy demand are rising, and it can leave quickly when oil prices weaken or concerns about an economic slowdown grow.
iShares U.S. Oil & Gas Exploration & Production ETF Pros and Cons
Its strength is the high leverage that comes from direct exposure to oil prices, while its weaknesses are heavy volatility stemming from sector concentration and dependence on oil prices.
💪 Key Strengths
⚠️ Points of Caution
iShares U.S. Oil & Gas Exploration & Production ETF Alternative and Related ETFs
Among the products in the table, XOP and similar ETFs invest in the same exploration and production space on a near equal-weight basis, while OIH, IEZ and others invest in energy equipment and services. For broader energy exposure, you can also compare the Energy Select Sector XLE, the Vanguard Energy VDE and the Fidelity MSCI Energy FENY. They differ in sector scope, weighting method and fees, so it is best to choose according to your investment style.
Peer Comparison ETFs| Ticker | Name | Price | Change | AUM | Total Expense Ratio | Dividend Yield | 1Y |
|---|---|---|---|---|---|---|---|
 XOP | State Street SPDR S&P Oil & Gas Exploration & Production ETF | $203.76 | +2.1% | $4.6B | 0.35% | 1.53% | +61.9% |
 OIH | VanEck Oil Services ETF | $411.57 | +0.9% | $2.0B | 0.35% | 1.18% | +43.6% |
 FTXN | First Trust Nasdaq Oil & Gas ETF | $43.47 | +1.9% | $1.2B | 0.60% | 1.65% | +59.8% |
 SGDM | Sprott Gold Miners ETF | $64.86 | -5.2% | $598.0M | 0.46% | 1.12% | +9.8% |
 IEZ | iShares U.S. Oil Equipment & Services ETF | $28.33 | +0.8% | $399.1M | 0.37% | 1.16% | +37.2% |
Top Holdings| Ticker | Name | Weight | Price | Change | Market Cap | P/E | Dividend Yield |
|---|---|---|---|---|---|---|---|
| COP | Conoco Phillips | 0.37% | $154.03 | +2.7% | $185.0B | 20.4 | 2.19% |
| VLO | Valero Energy Corp | 0.20% | $399.66 | +3.9% | $111.5B | 9.0 | 1.21% |
| MPC | Marathon Petroleum Corp | 0.10% | $444.73 | +2.8% | $124.9B | 15.3 | 0.92% |
| EOG | EOG Resources Inc | 0.16% | $165.54 | +2.0% | $86.8B | 12.9 | 2.48% |
| PSX | Phillips 66 | 0.07% | $282.83 | +3.4% | $110.3B | 9.0 | 1.8% |
| EQT | EQT Corp | 0.05% | $55.38 | +1.5% | $34.6B | 13.1 | 1.2% |
| FANG | Diamondback Energy Inc | 0.05% | $212.08 | +2.7% | $59.4B | 41.1 | 2.05% |
iShares U.S. Oil & Gas Exploration & Production ETF Investor Checkpoints
Here are the points to review before investing in IEO. As an oil and gas exploration and production ETF, it is important to check sector concentration, oil price dependence, volatility and the fee level together in advance.
| Checkpoint | What to Check | Current Status |
|---|---|---|
| 💵 Expense ratio | Check the fees of the sector ETF | Needs checking |
| ⛏️ Sector concentration | Check concentration in the exploration and production sector | High concentration |
| 🪙 Oil price dependence | Effect of oil prices on performance | Highly sensitive |
| 📉 Volatility | Check the heavy volatility inherent to the sector | High |
Because it is concentrated in the exploration and production sector, it reacts very sensitively to oil prices and can fall harder than integrated oil companies when oil prices are weak. Top holdings carry large weights, so individual companies have a big impact, and the volatility that comes with sector concentration should also be taken into account.
It is a passive ETF suited to sector investors who want to bet directly on oil prices and are willing to accept heavy volatility. If you want broad energy exposure, an energy sector ETF can be an alternative, and if you want to focus on exploration and production, IEO can be the alternative.
SubscribeDisclaimer: This content is for informational purposes only and does not constitute investment advice. All investment responsibility lies with the investor.
This article reflects information as of June 5, 2026.
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