Which returned more over the last year, ACWX or IWM?

In the year to Oct 28, 2026, with distributions reinvested, ACWX returned +14.3% and IWM +14.1%.

Which is cheaper, ACWX or IWM?

IWM is cheaper, by 0.13 percentage points a year. That is about $13 on $10,000 held for a year. Fees come from each fund's prospectus.

How much do ACWX and IWM overlap with the S&P 500?

By their latest filed holdings, 0% of ACWX and 0% of IWM by weight is stocks the S&P 500 already holds.

Data as of Oct 28, 2026.

Across categories

ACWX vs IWM: Differences, Returns & Fees

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Over the year to Oct 28, 2026, ACWX returned +14.3% to IWM's +14.1%; 1% of their weight is in the same names.

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Net assets on Oct 27, 2026: $17.9bn for iShares MSCI ACWI ex U.S. ETF and $75.5bn for iShares Russell 2000 ETF.

ACWX on its own →IWM on its own →

At a glance

+14.3%

ACWX total return, 1 year

+14.1%

IWM total return, 1 year

0.32%

ACWX expense ratio

0.19%

IWM expense ratio

Pair scorecard

IWM costs 0.13 points a year less; their one-year returns differ by 0.2 points; IWM is 4.2 times larger.

ACWX vs IWM: Differences, Returns & Fees
Measure	ACWX	IWM
Return
Measure	ACWX	IWM
Total return, 1 year	+14.3%	+14.1%
Drawdown
Measure	ACWX	IWM
Below its high	4.9%, high on Sep 4, 2026	7.6%, high on Aug 14, 2026
Benchmark
Measure	ACWX	IWM
What it tracks	MSCI ACWI ex USA Index	Russell 2000 Index
Cost and size
Measure	ACWX	IWM
Expense ratio	0.32%	0.19%
Net assets, as of Oct 27, 2026	$17.9bn	$75.5bn
Holdings
Measure	ACWX	IWM
Holdings in common	1%
Top ten holdings, share of the fund	15.6%	3.3%

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

What they share

By the books each fund has filed, ACWX and IWM hold 1% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

50%

0 half 100%

half

1% in common

Positions both hold · largest shared weight first ACWX IWM

CANADIAN NATIONAL RAILWAY 0.18% 0.16%

COMPASS GROUP PLC 0.16% 0.24%

LVMH 0.30% 0.14%

AIRBUS GROUP 0.35% 0.13%

UCB SA 0.11% 0.15%

ORANGE SA 0.08% 0.19%

LAIR LIQUIDE SOCIETE ANONYME POUR 0.34% 0.06%

MTU AERO ENGINES HOLDING AG 0.05% 0.06%

SIEMENS ENERGY N AG 0.31% 0.05%

VALTERRA PLATINUM LTD 0.05% 0.19%

FINECOBANK BANCA FINECO 0.04% 0.09%

NN GROUP 0.06% 0.04%

Only in one fund ↓

Only in ACWX

TAIWAN SEMICONDUCTOR MANUFACTURING 5.07%

SAMSUNG ELECTRONICS LTD 2.19%

ASML HOLDING 1.77%

SK HYNIX 1.56%

ROCHE PS PAR AG 0.95%

TENCENT HOLDINGS 0.85%

SHELL 0.84%

HSBC HOLDINGS PLC 0.81%

Only in IWM

JFROG 0.37%

GLAUKOS 0.35%

TWIST BIOSCIENCE 0.35%

MOOG INC CLASS A 0.34%

BRIGHTSPRING HEALTH SERVICES INC 0.33%

UMB FINANCIAL 0.33%

10X GENOMICS CLASS A 0.31%

RYMAN HOSPITALITY PROPERTIES REIT 0.30%

Check overlap with more funds →

Side by side

ACWX iShares MSCI ACWI ex U.S. ETF IWM iShares Russell 2000 ETF

Where it sits Stock ETF Stock ETF

Issuer iShares iShares

What it is Tracks the MSCI ACWI ex U.S. Tracks the Russell 2000

Total return, 1 year +14.3% +14.1%

Its benchmark over the same days not measured +14.3% (VTWO)

Gap to its benchmark not measured −0.2 pts vs VTWO

Expense ratio 0.32% 0.19%

Already in the S&P 500 0.0% 0.0%

Holdings 1939 1977

Net assets, as of Oct 27, 2026 $17.9bn $75.5bn

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

Alert

About each fund

ACWX

ACWX tracks the MSCI ACWI ex U.S.. Over the year to Oct 28, 2026 it returned +14.3% with distributions reinvested. The prospectus expense ratio is 0.32% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1,939 positions, with the top ten at 15.6%. It sat 4.9% below its high of Sep 4, 2026 on Oct 28, 2026.

IWM

IWM tracks the Russell 2000. Over the year to Oct 28, 2026 it returned +14.1% with distributions reinvested, against +14.3% for its benchmark, the Russell 2000 Index. The prospectus expense ratio is 0.19% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1,977 positions, with the top ten at 3.3%. It sat 7.6% below its high of Aug 14, 2026 on Oct 28, 2026.

Questions people ask

Which returned more over the last year, ACWX or IWM?: In the year to Oct 28, 2026, with distributions reinvested, ACWX returned +14.3% and IWM +14.1%.
Which is cheaper, ACWX or IWM?: IWM is cheaper, by 0.13 percentage points a year. That is about $13 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do ACWX and IWM overlap with the S&P 500?: By their latest filed holdings, 0% of ACWX and 0% of IWM by weight is stocks the S&P 500 already holds.

Other comparisons

ACWX vs VB ACWX vs IJR ACWX vs IJT ACWX vs IWC FENI vs IWM IWM vs IXUS IWM vs VEU IWM vs SCHF

Where to next

ACWX on its own →IWM on its own →Hold both: look the portfolio through →Rankings →ACWX dividend history →ACWX holdings →IWM dividend history →IWM holdings →Standards and sources →

Sources and dates

ACWX and IWM filings on SEC EDGAR ↗

ACWX prospectus with the expense ratio (SEC) ↗

iShares page for ACWX ↗

IWM prospectus with the expense ratio (SEC) ↗

iShares page for IWM ↗

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.

Cite this pageCitation, APA and Markdown

ETFIQ, ACWX against IWM, data as of Oct 28, 2026. https://etfiq.com/compare/any/acwx-vs-iwm

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