Data as of Oct 28, 2026.
VB vs XBI: Differences, Returns & Fees
Over the year to Oct 28, 2026, VB returned +14.4% to XBI's +41.2%, and VB charges 0.03% to XBI's 0.35%.
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Net assets: $76.9bn on Sep 30, 2026 for Vanguard Morningstar Small-Cap ETF, and $10.3bn on Oct 27, 2026 for State Street SPDR S&P Biotech ETF.
Pair scorecard
VB costs 0.32 points a year less; their one-year returns differ by 26.8 points; VB is 7.4 times larger.
| Measure | VB | XBI |
|---|---|---|
| Return | ||
| Total return, 1 year | +14.4% | +41.2% |
| Drawdown | ||
| Below its high | 5.7%, high on Aug 14, 2026 | |
| Below its all-time high | 8.9%, high on Feb 8, 2021 | |
| Benchmark | ||
| What it tracks | Morningstar US Small Cap Index | Biotech |
| Cost and size | ||
| Expense ratio | 0.03% | 0.35% |
| Net assets, as of Sep 30, 2026 | $76.9bn | $10.4bn |
| Active share vs the S&P 500 | 98% | |
| Holdings | ||
| Holdings in common | 6% | |
| Top ten holdings, share of the fund | 5.9% | 18% |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
Risk and return
Feb 17, 2006 to Oct 23, 2026 · 1,079 weekly returnsXBI returned more: +817.9% to +505.2%. VB swung less: 22.0% to 29.2%. VB fell slightly less at its worst: −58.8% to −61.5%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | VB | XBI | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +505.2% | +817.9% | XBI | Price change plus distributions, reinvested. |
| Annualized | +9.1% | +11.3% | XBI | Total return as a yearly rate. |
| Price return | +347.2% | +767.9% | XBI | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 22.0% | 29.2% | VB | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 15.5% | 20.0% | VB | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −58.8% | −61.5% | VB (slight) | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.43 | 0.45 | XBI (slight) | Return above Treasury bills per unit of volatility. |
| Sortino | 0.60 | 0.66 | XBI (slight) | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.15 | 0.18 | XBI | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 1,079 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, VB and XBI hold 6% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
6% in common
Only in one fund ↓
Side by side
VB and XBI on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
VB and XBI do different jobs. What does each one do in a portfolio?
- What each follows. VB follows Morningstar US Small Cap Index and XBI follows Biotech.
- Holdings in common. 6% of the weight is in the same securities (holdings dated Sep 30, 2026 and Oct 27, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 VB returned +14.4% and XBI +41.2% with distributions reinvested, a gap of 26.8 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.
XBI
By weight, 13% of XBI's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 98%. The top ten holdings are 18% of the fund across 165 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned +41.2% with distributions reinvested. It sits 8.9% below its all-time high of Feb 8, 2021.
Questions people ask
- Are VB and XBI in the same category?
- VB is a stock ETF and XBI is a thematic ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
- Which returned more over the last year, VB or XBI?
- In the year to Oct 28, 2026, with distributions reinvested, VB returned +14.4% and XBI +41.2%.
- Which is cheaper, VB or XBI?
- VB is cheaper, by 0.32 percentage points a year. That is about $32 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 XBI, data as of Oct 28, 2026. https://etfiq.com/compare/any/vb-vs-xbi
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