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

In the year to Oct 28, 2026, with distributions reinvested, ACWX returned +14.3% and IWC +16.5%.

Which is cheaper, ACWX or IWC?

ACWX is cheaper, by 0.28 percentage points a year. That is about $28 on $10,000 held for a year. Fees come from each fund's prospectus.

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

By their latest filed holdings, 0% of ACWX and 92% of IWC by weight is stocks the S&P 500 already holds.

Data as of Oct 28, 2026.

Across categories

ACWX vs IWC: Differences, Returns & Fees

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Over the year to Oct 28, 2026, ACWX returned +14.3% to IWC's +16.5%; 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 $1.2bn for iShares Micro-Cap ETF.

ACWX on its own →IWC on its own →

At a glance

+14.3%

ACWX total return, 1 year

+16.5%

IWC total return, 1 year

0.32%

ACWX expense ratio

0.60%

IWC expense ratio

Pair scorecard

ACWX costs 0.28 points a year less; their one-year returns differ by 2.2 points; ACWX is 14.9 times larger.

ACWX vs IWC: Differences, Returns & Fees
Measure	ACWX	IWC
Return
Measure	ACWX	IWC
Total return, 1 year	+14.3%	+16.5%
Drawdown
Measure	ACWX	IWC
Below its high	4.9%, high on Sep 4, 2026	9.5%, high on Aug 14, 2026
Benchmark
Measure	ACWX	IWC
What it tracks	MSCI ACWI ex USA Index	Russell Microcap Index
Cost and size
Measure	ACWX	IWC
Expense ratio	0.32%	0.60%
Net assets, as of Oct 27, 2026	$17.9bn	$1.2bn
Holdings
Measure	ACWX	IWC
Holdings in common	1%
Top ten holdings, share of the fund	15.6%	5.9%

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

Risk and return

Apr 11, 2008 to Oct 23, 2026 · 967 weekly returns

ACWX IWC

Return

Total return edge IWC +129.8% +376.4%

Annualized edge IWC +4.6% +8.8%

Price return edge IWC +42.8% +282.9%

Risk

Volatility edge ACWX 19.8% 24.5%

Max drawdown edge IWC (slight) −59.4% −54.8%

Risk-adjusted

Sharpe edge IWC 0.25 0.41

Sortino edge IWC 0.35 0.58

Calmar edge IWC 0.08 0.16

Reading

IWC returned more: +376.4% to +129.8%. ACWX swung less: 19.8% to 24.5%. IWC fell slightly less at its worst: −54.8% to −59.4%.

Full scorecard

9 measures, with how each is measured Open ↓

Risk and return: ACWX vs IWC: Differences, Returns & Fees
Measure	ACWX	IWC	Edge	How it is measured
Return
Total return	+129.8%	+376.4%	IWC	Price change plus distributions, reinvested.
Annualized	+4.6%	+8.8%	IWC	Total return as a yearly rate.
Price return	+42.8%	+282.9%	IWC	Price change alone, distributions left out.
Risk
Volatility	19.8%	24.5%	ACWX	Spread of weekly returns, annualized. Lower is steadier.
Downside deviation	14.4%	17.2%	ACWX	Like volatility, counting only weeks below the Treasury bill rate.
Max drawdown	−59.4%	−54.8%	IWC (slight)	Deepest fall from a high to the low after it.
Risk-adjusted
Sharpe	0.25	0.41	IWC	Return above Treasury bills per unit of volatility.
Sortino	0.35	0.58	IWC	Return above Treasury bills per unit of downside deviation.
Calmar	0.08	0.16	IWC	Annualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 967 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

By the books each fund has filed, ACWX and IWC 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 IWC

ERSTE GROUP BANK AG 0.10% 0.09%

COMMERZBANK AG 0.07% 0.07%

BARRICK MINING 0.18% 0.06%

3I GROUP FUND PLC 0.08% 0.05%

MAGNA INTERNATIONAL 0.05% 0.09%

NN GROUP 0.06% 0.05%

FIRST FINANCIAL HOLDING LTD 0.04% 0.22%

TELSTRA GROUP 0.04% 0.07%

ORION CLASS B 0.03% 0.09%

CAPITALAND ASCENDAS REIT 0.02% 0.03%

INDRA SISTEMAS SA 0.02% 0.08%

LAND SECURITIES GROUP REIT PLC 0.02% 0.09%

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 IWC

CAREDX 0.88%

PENGUIN SOLUTIONS INC 0.73%

NURIX THERAPEUTICS 0.63%

SELLAS LIFE SCIENCES GROUP INC 0.60%

VIRIDIAN THERAPEUTICS ORS 0.59%

OUSTER 0.53%

INTERFACE 0.52%

STRIVE INC CLASS A 0.50%

Check overlap with more funds →

Side by side

ACWX iShares MSCI ACWI ex U.S. ETF IWC iShares Micro-Cap ETF

Where it sits Stock ETF Stock ETF

Issuer iShares iShares

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

Total return, 1 year +14.3% +16.5%

Its benchmark over the same days not measured +13.3% (IWV)

Gap to its benchmark not measured +3.2 pts vs IWV

Expense ratio 0.32% 0.60%

Already in the S&P 500 0.0% 91.7%

Holdings 1939 1365

Net assets, as of Oct 27, 2026 $17.9bn $1.2bn

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

Client brief · page 1 of 2 Report BR-F989AE4924

ACWX and IWC do different jobs. What does each one do in a portfolio?

What each follows. ACWX follows MSCI ACWI ex USA Index and IWC follows Russell Microcap Index.
Holdings in common. 1% of the weight is in the same securities (holdings dated Oct 27, 2026).
One-year total return. Over 1 year to Oct 28, 2026 ACWX returned +14.3% and IWC +16.5% with distributions reinvested, a gap of 2.2 points.

Data as of Oct 28, 2026.

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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.

IWC

Over the year to Oct 28, 2026 it returned +16.5% with distributions reinvested, against +13.3% for its benchmark, the Russell 3000 Index.

IWC tracks the Russell Microcap. The prospectus expense ratio is 0.60% a year. By its holdings published by its issuer for Oct 27, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1,365 positions, with the top ten at 5.9%. It sat 9.5% below its high of Aug 14, 2026 on Oct 28, 2026.

Questions people ask

Which returned more over the last year, ACWX or IWC?: In the year to Oct 28, 2026, with distributions reinvested, ACWX returned +14.3% and IWC +16.5%.
Which is cheaper, ACWX or IWC?: ACWX is cheaper, by 0.28 percentage points a year. That is about $28 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do ACWX and IWC overlap with the S&P 500?: By their latest filed holdings, 0% of ACWX and 92% of IWC by weight is stocks the S&P 500 already holds.

Other comparisons

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

Where to next

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

Sources and dates

ACWX and IWC filings on SEC EDGAR ↗

ACWX prospectus with the expense ratio (SEC) ↗

iShares page for ACWX ↗

IWC prospectus with the expense ratio (SEC) ↗

iShares page for IWC ↗

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 IWC, data as of Oct 28, 2026. https://etfiq.com/compare/any/acwx-vs-iwc

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