IEO vs VOO
iShares US Oil & Gas Exploration & Production ETF vs Vanguard S&P 500 ETF
Which is better, IEO or VOO?
All Cap Blend against Large Cap Blend.
VOO has a lower expense ratio. IEO led over 1Y and 5Y, VOO over 3Y and the full window. VOO is less concentrated, with 36.4% of the fund in its ten largest positions against 71.3%.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | IEO | VOO |
|---|---|---|
| Expense Ratio | 0.37% | 0.03%Best |
| AUM | $628M | $997.4B |
| Dividend Yield | 1.70% | 1.04% |
| Holdings | 50 | 509 |
| YTD Return | +56.15%Best | +11.55% |
| 1Y Return | +56.35%Best | +17.54% |
| 3Y Return (annualized) | +15.27% | +20.71%Best |
| 5Y Return (annualized) | +26.42%Best | +12.80% |
| Volatility (annualized) | 32.6% | 14.1%Best |
| Max Drawdown | -80.7% | -34.3%Best |
| $10,000 over 5 years | $32,291Best | $18,262 |
| Top 10 Weight | 71.3% | 36.4%Best |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) |
| Category | Equity | Equity |
| Style | All Cap Blend | Large Cap Blend |
| Inception | May 1, 2006 | Sep 7, 2010 |
Volatility and max drawdown are measured over the window both funds cover: Sep 9, 2010 to Sep 10, 2026 (16 years).
IEO vs VOO growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view covers the 16 years both funds cover.
IEO vs VOO Performance
iShares US Oil & Gas Exploration & Production ETF (IEO) is an ETF from iShares by BlackRock (US) and Vanguard S&P 500 ETF (VOO) is an ETF from Vanguard (US). Over the past year IEO returned +56.35% while VOO returned +17.54%. Year to date, IEO is up 56.15% versus a gain of 11.55% for VOO.
Over three years, IEO compounded at +15.27% per year against +20.71% for VOO; over five years the annualized figures are +26.42% and +12.80% respectively. Across the full 16-year window we track, VOO has the edge at +13.35% annualized vs +7.79%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
IEO has been the more volatile fund, with annualized monthly volatility of 32.6% compared with 14.1% for VOO. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -80.7% for IEO and -34.3% for VOO. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.57. They move together some of the time, and apart the rest.
Fees and Cost Over Time
IEO charges 0.37% per year while VOO charges 0.03%. On a $10,000 position that is $37 vs $3 annually, a gap of $34 per year that compounds over a long holding period. On income, IEO currently yields 1.70% against 1.04% for VOO.
Holdings Overlap
73.4% of IEO's money is in holdings VOO also owns. 0.9% of VOO's money is in holdings IEO also owns.
Most of IEO is already inside VOO. Owning both mostly buys the same companies twice.
11 positions in common, counted across the 47 positions we hold weights for in IEO and 505 in VOO, against full books of 50 and 509.
What only one of them owns
Measured across the 47 and 505 positions we hold weights for.
VOO holds 485 positions IEO does not, 98.5% of the fund.
Largest: NVDA 7.51%, AAPL 6.59%, MSFT 4.30%, AMZN 3.62%, GOOGL 3.25%
Top Shared Holdings
| Stock | Weight in IEO | Weight in VOO | Difference |
|---|---|---|---|
| COPConocophillips Co | 17.66% | 0.20% | 17.46% |
| VLOValero Energy Corp. | 11.31% | 0.12% | 11.19% |
| MPCMarathon Petroleum Corp. | 10.95% | 0.12% | 10.83% |
| EOGEog Resources Inc | 6.28% | 0.11% | 6.17% |
| PSXPhillips 66 | 4.94% | 0.11% | 4.83% |
| EQTEqt Corp | 4.31% | 0.05% | 4.26% |
| FANGDiamondback Energy Inc. | 4.20% | 0.05% | 4.15% |
| DVNDevon Energy Corp. | 4.00% | 0.07% | 3.93% |
| TPLTexas Pacific Land Trust | 3.85% | 0.04% | 3.81% |
| CHKChesapeake Energy Corp | 3.78% | 0.03% | 3.75% |
73.4% of IEO is already inside VOO.
You probably hold more than these two. Add the rest and see how much of the whole book is the same companies twice.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, IEO or VOO?
IEO has an expense ratio of 0.37% while VOO charges 0.03%. VOO is the cheaper option, by $34 a year on a $10,000 investment.
Which performed better, IEO or VOO?
Over the past year IEO returned +56.35% vs +17.54% for VOO, so IEO leads on 1-year performance. Over the longest common window we track (16 years), IEO annualized +7.79% vs +13.35% for VOO. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, IEO or VOO?
IEO has been the more volatile fund at 32.6% annualized versus 14.1% for VOO. Worst drawdown: IEO -80.7% vs VOO -34.3%.
Should I hold both IEO and VOO?
IEO and VOO have a monthly-return correlation of 0.57, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
What is the holdings overlap between IEO and VOO?
73.4% of IEO's money is in holdings VOO also owns. 0.9% of VOO's is in holdings IEO also owns. They hold 11 positions in common, counted across the 47 positions we hold weights for in IEO and 505 in VOO.
Which pays a higher dividend, IEO or VOO?
IEO yields 1.70% while VOO yields 1.04%, so IEO currently pays the higher dividend yield.
Is VOO better than IEO?
VOO has a lower expense ratio. IEO led over 1Y and 5Y, VOO over 3Y and the full window. VOO is less concentrated, with 36.4% of the fund in its ten largest positions against 71.3%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.