Data as of Oct 28, 2026.
XBI vs XLU: Differences, Returns & Fees
Over the year to Oct 28, 2026, XBI returned +41.2% to XLU's −3.0%, and XLU charges 0.08% to XBI's 0.35%.
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Net assets on Oct 27, 2026: $10.3bn for State Street SPDR S&P Biotech ETF and $23.9bn for State Street Utilities Select Sector SPDR ETF.
Pair scorecard
XLU costs 0.27 points a year less; their one-year returns differ by 44.2 points; XLU is 2.3 times larger.
| Measure | XBI | XLU |
|---|---|---|
| Return | ||
| Total return, 1 year | +41.2% | −3.0% |
| Drawdown | ||
| Below its all-time high | 8.9%, high on Feb 8, 2021 | |
| Below its high | 9.1%, high on Feb 27, 2026 | |
| Benchmark | ||
| What it tracks | Biotech | Utilities Select Sector Index |
| Cost and size | ||
| Expense ratio | 0.35% | 0.08% |
| Net assets, as of Oct 27, 2026 | $10.3bn | $23.9bn |
| Active share vs the S&P 500 | 98% | |
| Holdings | ||
| Holdings in common | 0% | |
| Top ten holdings, share of the fund | 18% | 58.7% |
Holdings in common uses holdings dated Oct 27, 2026. Method
What they share
By the books each fund has filed, XBI and XLU hold 0% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
XBI and XLU on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
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.
XLU
XLU tracks an index of Utilities. Over the year to Oct 28, 2026 it returned −3.0% with distributions reinvested. The prospectus expense ratio is 0.08% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 32 positions, with the top ten at 58.7%. It sat 9.1% below its high of Feb 27, 2026 on Oct 28, 2026.
Questions people ask
- Are XBI and XLU in the same category?
- XBI is a thematic ETF and XLU is a stock ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
- Which returned more over the last year, XBI or XLU?
- In the year to Oct 28, 2026, with distributions reinvested, XBI returned +41.2% and XLU −3.0%.
- Which is cheaper, XBI or XLU?
- XLU is cheaper, by 0.27 percentage points a year. That is about $27 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, XBI against XLU, data as of Oct 28, 2026. https://etfiq.com/compare/any/xbi-vs-xlu
ETFIQ. (Oct 28, 2026). XBI against XLU. Retrieved from https://etfiq.com/compare/any/xbi-vs-xlu
[XBI against XLU (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/xbi-vs-xlu)
Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.