Data as of Oct 28, 2026.
VB vs VOO: Differences, Returns & Fees
Over the year to Oct 28, 2026, VB returned +14.4% to VOO's +13.7%; 3% of their weight is in the same names.
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Net assets on Sep 30, 2026: $76.9bn for Vanguard Morningstar Small-Cap ETF and $1.0tn for Vanguard S&P 500 ETF.
Pair scorecard
Both cost 0.03% a year; their one-year returns differ by 0.7 points; VOO is 13.0 times larger.
Points (pts) are percentage points.
| Measure | VB | VOO |
|---|---|---|
| Return | ||
| Total return, 1 year | +14.4% | +13.7% |
| Drawdown | ||
| Below its high | 5.7%, high on Aug 14, 2026 | |
| Benchmark | ||
| What it tracks | Morningstar US Small Cap Index | S&P 500 Index |
| Cost and size | ||
| Expense ratio | 0.03% | 0.03% |
| Net assets, as of Sep 30, 2026 | $76.9bn | $1.0tn |
| Holdings | ||
| Holdings in common | 3% | |
| Top ten holdings, share of the fund | 5.9% | 39.1% |
Holdings in common uses holdings dated Sep 30, 2026. Method
Risk and return
Sep 17, 2010 to Oct 23, 2026 · 840 weekly returnsVOO returned more: +804.0% to +495.7%. VOO swung less: 15.9% to 19.9%. VOO fell less at its worst: −31.8% to −40.0%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | VB | VOO | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +495.7% | +804.0% | VOO | Price change plus distributions, reinvested. |
| Annualized | +11.7% | +14.6% | VOO | Total return as a yearly rate. |
| Price return | +367.7% | +575.9% | VOO | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 19.9% | 15.9% | VOO | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 13.8% | 10.9% | VOO | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −40.0% | −31.8% | VOO | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.58 | 0.84 | VOO | Return above Treasury bills per unit of volatility. |
| Sortino | 0.83 | 1.22 | VOO | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.29 | 0.46 | VOO | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 840 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, VB and VOO hold 3% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026.
half
3% in common
Only in one fund ↓
Side by side
VB and VOO on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
VB and VOO do different jobs. What does each one do in a portfolio?
- What each follows. VB follows Morningstar US Small Cap Index and VOO follows S&P 500 Index.
- Holdings in common. 3% of the weight is in the same securities (holdings dated Sep 30, 2026).
- Size. VB has $76.9bn in net assets and VOO $1.0tn (net assets, as of Sep 30, 2026); VOO is 13.0 times larger.
Data as of Oct 28, 2026.
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VB
VB tracks an index of Small-Cap. Over the year to Oct 28, 2026 it returned +14.4% with distributions reinvested. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer as of Sep 30, 2026, 22% of the fund by weight is stocks the S&P 500 also holds, across 1,303 positions, with the top ten at 5.9%. It sat 5.7% below its high of Aug 14, 2026 on Oct 28, 2026.
VOO
VOO tracks the S&P 500. Over the year to Oct 28, 2026 it returned +13.7% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. By its holdings published by its issuer as of Sep 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 507 positions, with the top ten at 39.1%.
Questions people ask
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, VB against VOO, data as of Oct 28, 2026. https://etfiq.com/compare/any/vb-vs-voo
ETFIQ. (Oct 28, 2026). VB against VOO. Retrieved from https://etfiq.com/compare/any/vb-vs-voo
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