IBDR vs VOO
iShares iBonds Dec 2026 Term Corporate ETF vs Vanguard S&P 500 ETF
Which is better, IBDR or VOO?
VOO has been ahead.
VOO has a lower expense ratio. VOO led over 1Y, 3Y, 5Y and the full window. VOO is less concentrated, with 37.6% of the fund in its ten largest positions against 45.1%.
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 | IBDR | VOO |
|---|---|---|
| Expense Ratio | 0.10% | 0.03%Best |
| AUM | $3.3B | $997.4B |
| Dividend Yield | 4.08% | 1.04% |
| Holdings | 223 | 509 |
| YTD Return | +2.61% | +12.37%Best |
| 1Y Return | +3.93% | +16.61%Best |
| 3Y Return (annualized) | +5.43% | +21.37%Best |
| 5Y Return (annualized) | +1.63% | +13.49%Best |
| Volatility (annualized) | 4.6%Best | 15.4% |
| Max Drawdown | -16.1%Best | -34.3% |
| $10,000 over 5 years | $10,842 | $18,827Best |
| Top 10 Weight | 45.1% | 37.6%Best |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) |
| Category | Fixed Income | Equity |
| Style | - | Large Cap Blend |
| Inception | Sep 13, 2016 | Sep 7, 2010 |
Volatility and max drawdown are measured over the window both funds cover: Sep 19, 2016 to Sep 18, 2026 (10 years).
IBDR 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 is available from the range buttons; it is not the opening view here because over the whole period one of these two funds moves so much further than the other that its line would sit flat on the axis.
IBDR vs VOO Performance
iShares iBonds Dec 2026 Term Corporate ETF (IBDR) 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 IBDR returned +3.93% while VOO returned +16.61%. Year to date, IBDR is up 2.61% versus a gain of 12.37% for VOO.
Over three years, IBDR compounded at +5.43% per year against +21.37% for VOO; over five years the annualized figures are +1.63% and +13.49% respectively. Across the full 10-year window we track, VOO has the edge at +14.50% annualized vs +1.60%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
VOO has been the more volatile fund, with annualized monthly volatility of 15.4% compared with 4.6% for IBDR. 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 -16.1% for IBDR 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 0.50. They move together some of the time, and apart the rest.
Fees and Cost Over Time
IBDR 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, IBDR currently yields 4.08% against 1.04% for VOO.
Holdings Overlap
We hold position weights for 187 holdings in IBDR and 494 in VOO, totalling 99.7% and 99.5% of the two funds. The two books name no position in common, so there is no overlap percentage to show.
0 positions in common, counted across the 187 positions we hold weights for in IBDR and 494 in VOO, against full books of 223 and 509.
What only one of them owns
Our book lists 484 positions for VOO that do not appear in our book for IBDR (99.2% of the fund), and 184 for IBDR that do not appear in VOO (99.7%).
Some of those will be the same company recorded under a different code in one of the two books, so the real difference in what you would own is no larger than this and may be smaller. We do not name the individual positions here for that reason.
You are not choosing between two funds in isolation.
Whichever of IBDR and VOO you pick has to sit alongside everything else you own. Add the rest and see what the combination actually holds.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, IBDR or VOO?
IBDR has an expense ratio of 0.10% while VOO charges 0.03%. VOO is the cheaper option, by $7 a year on a $10,000 investment.
Which performed better, IBDR or VOO?
Over the past year IBDR returned +3.93% vs +16.61% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (10 years), IBDR annualized +1.60% vs +14.50% for VOO. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, IBDR or VOO?
VOO has been the more volatile fund at 15.4% annualized versus 4.6% for IBDR. Worst drawdown: IBDR -16.1% vs VOO -34.3%.
Should I hold both IBDR and VOO?
IBDR and VOO have a monthly-return correlation of 0.50, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
Which pays a higher dividend, IBDR or VOO?
IBDR yields 4.08% while VOO yields 1.04%, so IBDR currently pays the higher dividend yield.
Is VOO better than IBDR?
VOO has a lower expense ratio. VOO led over 1Y, 3Y, 5Y and the full window. VOO is less concentrated, with 37.6% of the fund in its ten largest positions against 45.1%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.