Data as of Oct 28, 2026.
VB vs VIOO: Differences, Returns & Fees
Over the year to Oct 28, 2026, VB returned +14.4% to VIOO's +17.5%; 19% 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 $4.0bn for Vanguard S&P Small-Cap 600 ETF.
Pair scorecard
VB costs 0.04 points a year less; their one-year returns differ by 3.1 points; VB is 19.2 times larger.
| Measure | VB | VIOO |
|---|---|---|
| Return | ||
| Total return, 1 year | +14.4% | +17.5% |
| Drawdown | ||
| Below its high | 5.7%, high on Aug 14, 2026 | 6.8%, high on Aug 14, 2026 |
| Benchmark | ||
| What it tracks | Morningstar US Small Cap Index | S&P SmallCap 600 Index |
| Cost and size | ||
| Expense ratio | 0.03% | 0.07% |
| Net assets, as of Sep 30, 2026 | $76.9bn | $4.0bn |
| Holdings | ||
| Holdings in common | 19% | |
| Top ten holdings, share of the fund | 5.9% | 5.3% |
Holdings in common uses holdings dated Sep 30, 2026. Method
Risk and return
Sep 17, 2010 to Oct 23, 2026 · 840 weekly returnsVIOO returned slightly more: +508.7% to +495.7%. VB swung slightly less: 19.9% to 20.7%. VB fell slightly less at its worst: −40.0% to −43.5%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | VB | VIOO | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +495.7% | +508.7% | VIOO (slight) | Price change plus distributions, reinvested. |
| Annualized | +11.7% | +11.8% | Tie | Total return as a yearly rate. |
| Price return | +367.7% | +401.2% | VIOO (slight) | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 19.9% | 20.7% | VB (slight) | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 13.8% | 14.1% | VB (slight) | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −40.0% | −43.5% | VB (slight) | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.58 | 0.57 | Tie | Return above Treasury bills per unit of volatility. |
| Sortino | 0.83 | 0.84 | Tie | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.29 | 0.27 | VB (slight) | 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 VIOO hold 19% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026.
half
19% in common
Only in one fund ↓
Side by side
VB and VIOO on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
VB and VIOO are built for the same job. How do they differ in cost, holdings and results?
- What each follows. VB follows Morningstar US Small Cap Index and VIOO follows S&P SmallCap 600 Index.
- Holdings in common. 19% of the weight is in the same securities (holdings dated Sep 30, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 VB returned +14.4% and VIOO +17.5% with distributions reinvested, a gap of 3.1 points.
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.
VIOO
VIOO tracks an index. Over the year to Oct 28, 2026 it returned +17.5% with distributions reinvested, against +17.5% for its benchmark, the S&P SmallCap 600 Index. The prospectus expense ratio is 0.07% a year. By its holdings published by its issuer as of Sep 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 607 positions, with the top ten at 5.3%. It sat 6.8% below its high of Aug 14, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, VB or VIOO?
- In the year to Oct 28, 2026, with distributions reinvested, VB returned +14.4% and VIOO +17.5%.
- Which is cheaper, VB or VIOO?
- VB is cheaper, by 0.04 percentage points a year. That is about $4 on $10,000 held for a year. Fees come from each fund's prospectus.
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 VIOO, data as of Oct 28, 2026. https://etfiq.com/compare/any/vb-vs-vioo
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