IBDU vs VOO
iShares iBonds Dec 2029 Term Corporate ETF vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. VOO delivered stronger 1-year returns. IBDU offers more diversification with 565 holdings.
Side-by-Side Comparison
| Metric | IBDU | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.10% | 0.03% | |
| AUM | $4.0B | $979.0B | |
| Dividend Yield | 4.65% | 1.09% | |
| Holdings | 675 | 509 | |
| YTD Return | +0.72% | +13.72% | |
| 1Y Return | +3.00% | +21.63% | |
| 3Y Return (annualized) | +6.00% | +21.55% | |
| 5Y Return (annualized) | +1.00% | +13.26% | |
| Volatility (annualized) | 7.3% | 14.1% | |
| Max Drawdown | -19.5% | -34.3% | |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) | |
| Category | Fixed Income | Equity | |
| Inception | Sep 17, 2019 | Sep 7, 2010 |
IBDU vs VOO Performance
iShares iBonds Dec 2029 Term Corporate ETF (IBDU) 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 IBDU returned +3.00% while VOO returned +21.63%. Year to date, IBDU is up 0.72% versus a gain of 13.72% for VOO.
Over three years, IBDU compounded at +6.00% per year against +21.55% for VOO; over five years the annualized figures are +1.00% and +13.26% respectively. Across the full 7-year window we track, VOO has the edge at +13.56% annualized vs +1.87%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
VOO has been the more volatile fund, with annualized monthly volatility of 14.1% compared with 7.3% for IBDU. 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 -19.5% for IBDU 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 0.67. They move independently enough that combining them can meaningfully diversify a portfolio.
Fees and Cost Over Time
IBDU 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, IBDU currently yields 4.65% against 1.09% for VOO.
Holdings Overlap
IBDU and VOO share 1 holdings out of 1069 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 IBDU | Weight in VOO | Difference |
|---|---|---|---|
| KDP | 0.18% | 0.07% | 0.11% |
Frequently Asked Questions
Which is cheaper, IBDU or VOO?
IBDU 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, IBDU or VOO?
Over the past year IBDU returned +3.00% vs +21.63% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (7 years), IBDU annualized +1.87% vs +13.56% for VOO. Past performance does not guarantee future results.
Which is riskier, IBDU or VOO?
VOO has been the more volatile fund at 14.1% annualized versus 7.3% for IBDU. Worst drawdown: IBDU -19.5% vs VOO -34.3%.
Should I hold both IBDU and VOO?
IBDU and VOO have a monthly-return correlation of 0.67, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between IBDU and VOO?
IBDU and VOO share 1 common holdings with a 0.1% weight overlap. Combined, they hold 1069 unique securities.
Which pays a higher dividend, IBDU or VOO?
IBDU yields 4.65% while VOO yields 1.09%, so IBDU currently pays the higher dividend yield.
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