Data as of Oct 28, 2026.

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IYM vs XLB: Differences, Returns & Fees

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Over the year to Oct 28, 2026, IYM returned +25.8% to XLB's +18.5%; 53% of their weight is in the same names.

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Net assets on Oct 27, 2026: $1.3bn for iShares U.S. Basic Materials ETF and $8.1bn for State Street Materials Select Sector SPDR ETF.

At a glance
+25.8%
IYM total return, 1 year
+18.5%
XLB total return, 1 year
0.37%
IYM expense ratio
0.08%
XLB expense ratio

Pair scorecard

XLB costs 0.29 points a year less; their one-year returns differ by 7.3 points; XLB is 6.2 times larger.

IYM vs XLB: Differences, Returns & Fees
MeasureIYMXLB
Return
Total return, 1 year+25.8%+18.5%
Drawdown
Below its high7.0%, high on Aug 25, 2026
Benchmark
What it tracksRussell 1000 Basic Materials RIC 22Materials Select Sector Index
Cost and size
Expense ratio0.37%0.08%
Net assets, as of Oct 27, 2026$1.3bn$8.1bn
Holdings
Holdings in common53%
Top ten holdings, share of the fund68.6%58.5%

Holdings in common uses holdings dated Oct 27, 2026. Method

Risk and return

Jun 30, 2000 to Oct 23, 2026 · 1,373 weekly returns
IYM XLB
Return
Total return edge XLB +716.5% +851.1%
Annualized edge XLB (slight) +8.3% +8.9%
Price return edge XLB (slight) +412.9% +422.5%
Risk
Volatility edge XLB (slight) 24.5% 22.1%
Max drawdown edge XLB −66.1% −59.0%
Risk-adjusted
Sharpe edge XLB (slight) 0.38 0.42
Sortino edge XLB 0.53 0.60
Calmar edge XLB 0.13 0.15
Reading

XLB returned more: +851.1% to +716.5%. XLB swung slightly less: 22.1% to 24.5%. XLB fell less at its worst: −59.0% to −66.1%.

Full scorecard

9 measures, with how each is measured
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Risk and return: IYM vs XLB: Differences, Returns & Fees
MeasureIYMXLBEdgeHow it is measured
Return
Total return+716.5%+851.1%XLBPrice change plus distributions, reinvested.
Annualized+8.3%+8.9%XLB (slight)Total return as a yearly rate.
Price return+412.9%+422.5%XLB (slight)Price change alone, distributions left out.
Risk
Volatility24.5%22.1%XLB (slight)Spread of weekly returns, annualized. Lower is steadier.
Downside deviation17.3%15.4%XLBLike volatility, counting only weeks below the Treasury bill rate.
Max drawdown−66.1%−59.0%XLBDeepest fall from a high to the low after it.
Risk-adjusted
Sharpe0.380.42XLB (slight)Return above Treasury bills per unit of volatility.
Sortino0.530.60XLBReturn above Treasury bills per unit of downside deviation.
Calmar0.130.15XLBAnnualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 1,373 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

53%

By the books each fund has filed, IYM and XLB hold 53% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

0 half 100%

half

53% in common

Positions both hold · largest shared weight first IYM XLB
LINDE PLC 20.59% 12.96%
NEWMONT 10.47% 6.56%
FREEPORT MCMORAN INC 8.35% 5.23%
ECOLAB 6.46% 4.98%
AIR PRODUCTS AND CHEMICALS 4.84% 4.84%
NUCOR 4.48% 4.89%
STEEL DYNAMICS INC 3.12% 4.77%
INTERNATIONAL FLAVORS & FRAGRANCES 2.46% 3.63%
CF INDUSTRIES HOLDINGS INC 1.90% 2.79%
INTERNATIONAL PAPER 1.81% 2.70%
LYONDELLBASELL INDUSTRIES CLASS A 1.79% 2.66%
AVERY DENNISON CORP 1.44% 2.10%
Only in one fund ↓
Only in IYM
FASTENAL 4.46%
ANGLOGOLD ASHANTI PLC 3.33%
RELIANCE STEEL & ALUMINUM 2.27%
ROYAL GOLD 2.10%
SOUTHERN COPPER CORP 1.87%
RBC BEARINGS 1.55%
COEUR MINING 1.51%
CARPENTER TECHNOLOGY 1.44%
Only in XLB
VULCAN MATERIALS CO 4.89%
SHERWIN WILLIAMS CO 4.73%
MARTIN MARIETTA MATERIALS 4.62%
CRH PLC 4.47%
PPG INDUSTRIES INC 3.85%
DOW INC 3.73%
PACKAGING CORP OF AMERICA 3.42%
SMURFIT WESTROCK PLC 3.41%
Check overlap with more funds →

Side by side

IYM iShares U.S. Basic Materials ETF XLB State Street Materials Select Sector SPDR ETF
Where it sits Stock ETF Stock ETF
What it is Tracks an index Tracks an index of Materials
Total return, 1 year +25.8% +18.5%
Its benchmark over the same days +13.1% (IWB) not measured
Gap to its benchmark +12.7 pts vs IWB not measured
Expense ratio 0.37% 0.08%
Already in the S&P 500 73.1% 99.8%
Holdings 41 25
Net assets, as of Oct 27, 2026 $1.3bn $8.1bn

IYM and XLB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Client brief · page 1 of 2 Report BR-44F3C2DAD9

IYM and XLB are built for the same job. How do they differ in cost, holdings and results?

  1. What each follows. IYM follows Russell 1000 Basic Materials RIC 22 and XLB follows Materials Select Sector Index.
  2. One-year total return. Over 1 year to Oct 28, 2026 IYM returned +25.8% and XLB +18.5% with distributions reinvested, a gap of 7.3 points.
  3. Cost. IYM charges 0.37% of assets a year and XLB 0.08%, a gap of 0.29 points.

Data as of Oct 28, 2026.

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About each fund
IYM

IYM tracks an index. Over the year to Oct 28, 2026 it returned +25.8% with distributions reinvested, against +13.1% for its benchmark, the Russell 1000 Index. The prospectus expense ratio is 0.37% a year. By its holdings published by its issuer for Oct 27, 2026, 73% of the fund by weight is stocks the S&P 500 also holds, across 41 positions, with the top ten at 68.6%. It sat 7.0% below its high of Aug 25, 2026 on Oct 28, 2026.

XLB

XLB tracks an index of Materials. Over the year to Oct 28, 2026 it returned +18.5% 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 25 positions, with the top ten at 58.5%.

Questions people ask

Which returned more over the last year, IYM or XLB?
In the year to Oct 28, 2026, with distributions reinvested, IYM returned +25.8% and XLB +18.5%.
Which is cheaper, IYM or XLB?
XLB is cheaper, by 0.29 percentage points a year. That is about $29 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IYM and XLB overlap with the S&P 500?
By their latest filed holdings, 73% of IYM and 100% of XLB by weight is stocks the S&P 500 already holds.
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ETFIQ, IYM against XLB, data as of Oct 28, 2026. https://etfiq.com/compare/any/iym-vs-xlb

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