ISCB vs VOO
iShares Morningstar Small-Cap ETF vs Vanguard S&P 500 ETF
Which is better, ISCB or VOO?
Small Cap Blend against Large Cap Blend.
VOO has a lower expense ratio. VOO led over 1Y, 3Y, 5Y and the full window.
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 | ISCB | VOO |
|---|---|---|
| Expense Ratio | 0.04% | 0.03%Best |
| AUM | $282M | $997.4B |
| Dividend Yield | 1.27% | 1.04% |
| Holdings | 1,587 | 509 |
| YTD Return | +11.61% | +12.37%Best |
| 1Y Return | +14.35% | +16.61%Best |
| 3Y Return (annualized) | +16.25% | +21.37%Best |
| 5Y Return (annualized) | +7.07% | +13.49%Best |
| Volatility (annualized) | 18.6% | 14.1%Best |
| Max Drawdown | -44.2% | -34.3%Best |
| $10,000 over 5 years | $14,071 | $18,827Best |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) |
| Category | Equity | Equity |
| Style | Small Cap Blend | Large Cap Blend |
| Inception | Jun 28, 2004 | Sep 7, 2010 |
Not shown on this pair: Top 10 Weight.
Volatility and max drawdown are measured over the window both funds cover: Sep 9, 2010 to Sep 18, 2026 (16 years).
ISCB 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 covers the 16 years both funds cover.
ISCB vs VOO Performance
iShares Morningstar Small-Cap ETF (ISCB) 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 ISCB returned +14.35% while VOO returned +16.61%. Year to date, ISCB is up 11.61% versus a gain of 12.37% for VOO.
Over three years, ISCB compounded at +16.25% per year against +21.37% for VOO; over five years the annualized figures are +7.07% and +13.49% respectively. Across the full 16-year window we track, VOO has the edge at +13.39% annualized vs +9.56%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
ISCB has been the more volatile fund, with annualized monthly volatility of 18.6% 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 -44.2% for ISCB 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 0.88. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
ISCB charges 0.04% per year while VOO charges 0.03%. On a $10,000 position that is $4 vs $3 annually, a gap of $1 per year that compounds over a long holding period. On income, ISCB currently yields 1.27% against 1.04% for VOO.
Holdings Overlap
At least 1.1% of VOO's money is in holdings ISCB also owns.
Stated as a floor: for ISCB, our book for it covers 93.3% of that fund, so a holding it does not list is one we cannot count as shared. The real figure is this or higher.
VOO and ISCB share little of their money.
58 positions in common, counted across the 1,340 positions we hold weights for in ISCB and 494 in VOO, against full books of 1,587 and 509.
Top Shared Holdings
| Stock | Weight in ISCB | Weight in VOO | Difference |
|---|---|---|---|
| ZBRAZebra Technologies Corp | 0.27% | 0.02% | 0.25% |
| GENGen Digital Inc | 0.27% | 0.02% | 0.25% |
| IEXI D E X Corporation | 0.25% | 0.03% | 0.22% |
| BBYBest Buy Co. Inc. | 0.25% | 0.03% | 0.22% |
| AKAMAkamai Technologies Inc. | 0.24% | 0.03% | 0.21% |
| NDSNNordson Corp | 0.25% | 0.02% | 0.23% |
| MASMasco Corp. | 0.23% | 0.02% | 0.21% |
| APAApa Corp | 0.23% | 0.02% | 0.21% |
| RVTYRevvity Inc | 0.23% | 0.02% | 0.21% |
| SWKStanley Black Decker Inc. | 0.23% | 0.02% | 0.21% |
You are not choosing between two funds in isolation.
Whichever of ISCB 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, ISCB or VOO?
ISCB has an expense ratio of 0.04% while VOO charges 0.03%. VOO is the cheaper option, by $1 a year on a $10,000 investment.
Which performed better, ISCB or VOO?
Over the past year ISCB returned +14.35% vs +16.61% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (16 years), ISCB annualized +9.56% vs +13.39% for VOO. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, ISCB or VOO?
ISCB has been the more volatile fund at 18.6% annualized versus 14.1% for VOO. Worst drawdown: ISCB -44.2% vs VOO -34.3%.
Should I hold both ISCB and VOO?
ISCB and VOO have a monthly-return correlation of 0.88, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
What is the holdings overlap between ISCB and VOO?
At least 1.1% of VOO's money is in holdings ISCB also owns. Our book for ISCB is partial, so the real figure is this or higher. They hold 58 positions in common, counted across the 1,340 positions we hold weights for in ISCB and 494 in VOO.
Which pays a higher dividend, ISCB or VOO?
ISCB yields 1.27% while VOO yields 1.04%, so ISCB currently pays the higher dividend yield.
Is VOO better than ISCB?
VOO has a lower expense ratio. VOO led over 1Y, 3Y, 5Y and the full window. Which one suits a particular account depends on what it is for. This is information, not a recommendation.