IBDY vs VOO
iShares iBonds Dec 2033 Term Corporate 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 | IBDY | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.10% | 0.03% | |
| AUM | $1.1B | $979.0B | |
| Dividend Yield | 4.87% | 1.09% | |
| Holdings | 381 | 509 | |
| YTD Return | -0.37% | +14.48% | |
| 1Y Return | +2.13% | +22.02% | |
| 3Y Return (annualized) | +5.99% | +21.80% | |
| 5Y Return (annualized) | - | +13.36% | |
| Volatility (annualized) | 6.7% | 14.2% | |
| Max Drawdown | -7.5% | -34.3% | |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) | |
| Category | Fixed Income | Equity | |
| Inception | Jun 21, 2023 | Sep 7, 2010 |
IBDY vs VOO Performance
iShares iBonds Dec 2033 Term Corporate ETF (IBDY) 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 IBDY returned +2.13% while VOO returned +22.02%. Year to date, IBDY is down 0.37% versus a gain of 14.48% for VOO.
Over three years, IBDY compounded at +5.99% per year against +21.80% for VOO. Across the full 3-year window we track, VOO has the edge at +13.61% annualized vs +5.27%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
VOO has been the more volatile fund, with annualized monthly volatility of 14.2% compared with 6.7% for IBDY. 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 -7.5% for IBDY 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 0.60. They move independently enough that combining them can meaningfully diversify a portfolio.
Fees and Cost Over Time
IBDY charges 0.10% per year while VOO charges 0.03%. On a $10,000 position that is $10 vs $3 annually, a gap of $7 per year that compounds over a long holding period. On income, IBDY currently yields 4.87% against 1.09% for VOO.
Holdings Overlap
IBDY and VOO share 1 holdings out of 821 unique holdings combined, representing a 0.1% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Top Shared Holdings
| Stock | Weight in IBDY | Weight in VOO | Difference |
|---|---|---|---|
| AON | 0.23% | 0.11% | 0.12% |
Frequently Asked Questions
Which is cheaper, IBDY or VOO?
IBDY has an expense ratio of 0.10% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $7 per year of difference.
Which performed better, IBDY or VOO?
Over the past year IBDY returned +2.13% vs +22.02% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (3 years), IBDY annualized +5.27% vs +13.61% for VOO. Past performance does not guarantee future results.
Which is riskier, IBDY or VOO?
VOO has been the more volatile fund at 14.2% annualized versus 6.7% for IBDY. Worst drawdown: IBDY -7.5% vs VOO -34.3%.
Should I hold both IBDY and VOO?
IBDY and VOO have a monthly-return correlation of 0.60, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between IBDY and VOO?
IBDY and VOO share 1 common holdings with a 0.1% weight overlap. Combined, they hold 821 unique securities.
Which pays a higher dividend, IBDY or VOO?
IBDY yields 4.87% while VOO yields 1.09%, so IBDY currently pays the higher dividend yield.
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