IBTG vs VOO
iShares iBonds Dec 2026 Term Treasury 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 509 holdings.
Side-by-Side Comparison
| Metric | IBTG | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.07% | 0.03% | |
| AUM | $2.2B | $979.0B | |
| Dividend Yield | 3.95% | 1.09% | |
| Holdings | 26 | 509 | |
| YTD Return | +1.80% | +14.48% | |
| 1Y Return | +3.50% | +22.02% | |
| 3Y Return (annualized) | +4.47% | +21.80% | |
| 5Y Return (annualized) | +0.85% | +13.36% | |
| Volatility (annualized) | 3.3% | 14.2% | |
| Max Drawdown | -13.9% | -34.3% | |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) | |
| Category | Fixed Income | Equity | |
| Inception | Feb 25, 2020 | Sep 7, 2010 |
IBTG vs VOO Performance
iShares iBonds Dec 2026 Term Treasury ETF (IBTG) 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 IBTG returned +3.50% while VOO returned +22.02%. Year to date, IBTG is up 1.80% versus a gain of 14.48% for VOO.
Over three years, IBTG compounded at +4.47% per year against +21.80% for VOO; over five years the annualized figures are +0.85% and +13.36% respectively. Across the full 7-year window we track, VOO has the edge at +13.61% annualized vs +0.93%. 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 3.3% for IBTG. 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 -13.9% for IBTG 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 0.18. They move independently enough that combining them can meaningfully diversify a portfolio.
Fees and Cost Over Time
IBTG charges 0.07% per year while VOO charges 0.03%. On a $10,000 position that is $7 vs $3 annually, a gap of $4 per year that compounds over a long holding period. On income, IBTG currently yields 3.95% against 1.09% for VOO.
Holdings Overlap
IBTG and VOO share 0 holdings out of 538 unique holdings combined, representing a 0.0% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, IBTG or VOO?
IBTG has an expense ratio of 0.07% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $4 per year of difference.
Which performed better, IBTG or VOO?
Over the past year IBTG returned +3.50% vs +22.02% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (7 years), IBTG annualized +0.93% vs +13.61% for VOO. Past performance does not guarantee future results.
Which is riskier, IBTG or VOO?
VOO has been the more volatile fund at 14.2% annualized versus 3.3% for IBTG. Worst drawdown: IBTG -13.9% vs VOO -34.3%.
Should I hold both IBTG and VOO?
IBTG and VOO have a monthly-return correlation of 0.18, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between IBTG and VOO?
IBTG and VOO share 0 common holdings with a 0.0% weight overlap. Combined, they hold 538 unique securities.
Which pays a higher dividend, IBTG or VOO?
IBTG yields 3.95% while VOO yields 1.09%, so IBTG currently pays the higher dividend yield.
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