OEF vs VOO
OEF vs VOO
iShares S&P 100 ETF vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. VOO delivered stronger 1-year returns. VOO offers more diversification with 505 holdings.
Side-by-Side Comparison
| Metric | OEF | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.20% | 0.03% | |
| AUM | $19.7B | $979.0B | |
| Dividend Yield | 0.88% | 1.09% | |
| Holdings | 106 | 509 | |
| YTD Return | +12.44% | +13.80% | |
| 1Y Return | +23.15% | +23.71% | |
| 3Y Return (annualized) | +23.46% | +21.50% | |
| 5Y Return (annualized) | +14.90% | +13.44% | |
| Volatility (annualized) | 15.3% | 14.1% | |
| Max Drawdown | -57.3% | -34.3% | |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) | |
| Category | Equity | Equity | |
| Inception | Oct 23, 2000 | Sep 7, 2010 |
OEF vs VOO Performance
iShares S&P 100 ETF (OEF) is a ETF from iShares by BlackRock (US) and Vanguard S&P 500 ETF (VOO) is a ETF from Vanguard (US). Over the past year OEF returned +23.15% while VOO returned +23.71%. Year to date, OEF is up 12.44% versus a gain of 13.80% for VOO.
Over three years, OEF compounded at +23.46% per year against +21.50% for VOO; over five years the annualized figures are +14.90% and +13.44% respectively. Across the full 16-year window we track, VOO has the edge at +13.58% annualized vs +6.94%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
OEF has been the more volatile fund, with annualized monthly volatility of 15.3% 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 -57.3% for OEF and -34.3% for VOO. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
The two funds' monthly returns correlate at 0.99. They move almost in lockstep, so holding both mostly duplicates the same exposure.
Fees and Cost Over Time
OEF charges 0.20% per year while VOO charges 0.03%. On a $10,000 position that is $20 vs $3 annually, a gap of $17 per year that compounds over a long holding period. On income, OEF currently yields 0.88% against 1.09% for VOO.
Holdings Overlap
OEF and VOO share 101 holdings out of 507 unique holdings combined, representing a 70.2% weight overlap.
High overlap means holding both may not provide much additional diversification.
Top Shared Holdings
| Stock | Weight in OEF | Weight in VOO | Difference |
|---|---|---|---|
| NVDA | 10.14% | 7.51% | 2.63% |
| AAPL | 9.83% | 6.59% | 3.24% |
| MSFT | 6.15% | 4.30% | 1.85% |
| AMZN | Pro | Pro | Pro |
| GOOGL | Pro | Pro | Pro |
| AVGO | Pro | Pro | Pro |
| GOOG | Pro | Pro | Pro |
| META | Pro | Pro | Pro |
| MU | Pro | Pro | Pro |
| TSLA | Pro | Pro | Pro |
See all 10 holdings OEF shares with VOO Exact weights in each fund and the difference, for every overlapping position. Get FundXLS Pro: $29/moFirst 500 subscribers, then $49/mo. Cancel anytime. | |||
Frequently Asked Questions
Which is cheaper, OEF or VOO?
OEF has an expense ratio of 0.20% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $17 per year of difference.
Which performed better, OEF or VOO?
Over the past year OEF returned +23.15% vs +23.71% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (16 years), OEF annualized +6.94% vs +13.58% for VOO. Past performance does not guarantee future results.
Which is riskier, OEF or VOO?
OEF has been the more volatile fund at 15.3% annualized versus 14.1% for VOO. Worst drawdown: OEF -57.3% vs VOO -34.3%.
Should I hold both OEF and VOO?
OEF and VOO have a monthly-return correlation of 0.99, so they move almost identically. Holding both adds little diversification - most investors pick one, usually on fees or the specific index tracked.
What is the holdings overlap between OEF and VOO?
OEF and VOO share 101 common holdings with a 70.2% weight overlap. Combined, they hold 507 unique securities.
Which pays a higher dividend, OEF or VOO?
OEF yields 0.88% while VOO yields 1.09%, so VOO currently pays the higher dividend yield.
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