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Data as of Nov 4, 2026.

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IWR vs SMMD: Differences, Returns & Fees

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Over the year to Nov 4, 2026, IWR returned +19.4% to SMMD's +22.4%; 31% of their weight is in the same names.

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Net assets on Nov 3, 2026: $58.2bn for iShares Russell Mid-Cap ETF and $4.2bn for iShares Russell 2500 ETF.

IWR on its own →SMMD on its own →
At a glance
+19.4%
IWR total return, 1 year
+22.4%
SMMD total return, 1 year
0.18%
IWR expense ratio
0.15%
SMMD expense ratio

Pair scorecard

SMMD costs 0.03 points a year less; their one-year returns differ by 3.0 points; IWR is 14.0 times larger.

IWR vs SMMD: Differences, Returns & Fees
MeasureIWRSMMD
Return
Total return, 1 year+19.4%+22.4%
Drawdown
Below its high5.3%, high on Aug 14, 2026
Benchmark
What it tracksRussell Midcap IndexRussell 2500 Index
Cost and size
Expense ratio0.18%0.15%
Net assets$58.8bn$4.2bn
Holdings
Holdings in common31%
Top ten holdings, share of the fund6.4%43.4%

Method

What they share

31%

By the books each fund has filed, IWR and SMMD hold 31% of their money in the same securities at the same weight. Holdings dated Nov 3, 2026.

0 half 100%

half

31% in common

Positions both hold · largest shared weight first IWR SMMD
ATI 0.18% 0.34%
GUARDANT HEALTH 0.17% 0.31%
RELIANCE STEEL & ALUMINUM 0.17% 0.31%
PACKAGING CORP OF AMERICA 0.16% 0.31%
US FOODS HOLDING 0.16% 0.31%
VIATRIS 0.16% 0.31%
NISOURCE 0.16% 0.30%
SOFI TECHNOLOGIES 0.15% 0.30%
TENET HEALTHCARE CORP 0.15% 0.30%
ROKU CLASS A 0.15% 0.29%
NVENT ELECTRIC PLC 0.15% 0.29%
AFFIRM HOLDINGS CLASS A 0.15% 0.28%
Only in one fund ↓
Only in IWR
MARATHON PETROLEUM 0.92%
PHILLIPS 66 0.80%
SNOWFLAKE 0.72%
CLOUDFLARE CLASS A 0.64%
MODERNA 0.61%
ROYAL CARIBBEAN GROUP 0.57%
UNITED RENTALS 0.54%
DATADOG INC CLASS A 0.53%
Only in SMMD
ISHARES RUSSELL 2000 ETF 40.62%
Check overlap with more funds →

Side by side

IWR iShares Russell Mid-Cap ETF SMMD iShares Russell 2500 ETF
Where it sits Stock ETF Stock ETF
Issuer iShares iShares
What it is Tracks an index Tracks an index
Total return, 1 year +19.4% +22.4%
Its benchmark over the same days +14.8% (IWV) +14.8% (IWV)
Gap to its benchmark +4.6 pts vs IWV +7.6 pts vs IWV
Expense ratio 0.18% 0.15%
Already in the S&P 500 61.6% 10.3%
Holdings 825 516
Net assets, as of Nov 3, 2026 $58.2bn $4.2bn

IWR and SMMD on the fields both publish, as of Nov 4, 2026. Source: ETFIQ.

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About each fund
IWR

Over the year to Nov 4, 2026 it returned +19.4% with distributions reinvested, against +14.8% for its benchmark, the Russell 3000 Index.

IWR tracks an index. The prospectus expense ratio is 0.18% a year. By its holdings published by its issuer for Nov 3, 2026, 62% of the fund by weight is stocks the S&P 500 also holds, across 825 positions, with the top ten at 6.4%.

SMMD

Over the year to Nov 4, 2026 it returned +22.4% with distributions reinvested, against +14.8% for its benchmark, the Russell 3000 Index.

SMMD tracks an index. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Nov 3, 2026, 10% of the fund by weight is stocks the S&P 500 also holds, across 516 positions, with the top ten at 43.4%. It sat 5.3% below its high of Aug 14, 2026 on Nov 4, 2026.

Questions people ask

Which returned more over the last year, IWR or SMMD?
In the year to Nov 4, 2026, with distributions reinvested, IWR returned +19.4% and SMMD +22.4%.
Which is cheaper, IWR or SMMD?
SMMD is cheaper, by 0.03 percentage points a year. That is about $3 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IWR and SMMD overlap with the S&P 500?
By their latest filed holdings, 62% of IWR and 10% of SMMD by weight is stocks the S&P 500 already holds.
Other comparisons
CGMM vs IWRIWR vs TMSLIWR vs XMHQIWR vs JHMMSMMD vs VOSMMD vs VXFMDY vs SMMDSMMD vs SPMD
Where to next
IWR on its own →SMMD on its own →Hold both: look the portfolio through →Rankings →IWR dividend history →IWR holdings →SMMD dividend history →SMMD holdings →Standards and sources →
Sources and dates
IWR and SMMD filings on SEC EDGAR ↗
IWR and SMMD prospectus with the expense ratio (SEC) ↗
iShares page for IWR ↗
iShares page for SMMD ↗

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, IWR against SMMD, data as of Nov 4, 2026. https://etfiq.com/compare/any/iwr-vs-smmd

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.