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

In the year to Oct 9, 2026, with distributions reinvested, ACWX returned +18.2% and MFSI +11.3%.

Which is cheaper, ACWX or MFSI?

ACWX 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.

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

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

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ACWX vs MFSI: Differences, Returns & Fees

ACWX and MFSI hold 22% of their weight in the same names, and ACWX returned +18.2% over the year. Net assets: $17.6bn on Oct 9, 2026 for iShares MSCI ACWI ex U.S. ETF, and $1.1bn on May 31, 2026 for MFS Active International ETF.

ACWX costs 0.27 points a year less; their one-year returns differ by 6.9 points.

	ACWX	MFSI
Expense ratio	0.32%	0.59%
Net assets, ACWX as of Oct 9, 2026 and MFSI as of May 31, 2026	$17.6bn	$1.1bn
Total return, 1 year	+18.2%	+11.3%
What it tracks	MSCI ACWI ex USA Index	No index, actively managed
Holdings in common	22%
Top ten holdings, share of the fund	16.6%	27.9%
Below its high	3.9%, high on Sep 4, 2026	3.4%, high on Aug 10, 2026

Holdings in common uses holdings dated May 31, 2026 and Oct 8, 2026.

+18.2%

ACWX total return, 1 year

+11.3%

MFSI total return, 1 year

0.32%

ACWX expense ratio

0.59%

MFSI expense ratio

What they hold in common

By the books each fund has filed, ACWX and MFSI hold 22% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated May 31, 2026 and Oct 8, 2026.

50%

half

22% in common

Positions both hold, largest shared weight first

Holding ACWX MFSI

TAIWAN SEMICONDUCTOR MANUFACTURING 5.41% 7.86%

SAMSUNG ELECTRONICS LTD 2.52% 4.02%

TENCENT HOLDINGS 0.89% 2.26%

NOVARTIS AG 0.71% 1.80%

ROYAL BANK OF CANADA 0.73% 0.66%

NESTLE SA 0.65% 0.60%

SAP 0.58% 1.25%

TOTALENERGIES 0.46% 1.69%

SCHNEIDER ELECTRIC 0.45% 1.99%

HITACHI 0.44% 1.99%

SUMITOMO MITSUI FINANCIAL GROUP 0.43% 1.26%

ROLLS-ROYCE HOLDINGS PLC 0.41% 1.78%

Only in ACWX

ASML HOLDING 1.95%

SK HYNIX 1.91%

HSBC HOLDINGS PLC 0.86%

ROCHE PS PAR AG 0.82%

SHELL 0.80%

MITSUBISHI UFJ FINANCIAL GROUP 0.66%

ASTRAZENECA PLC 0.65%

ALIBABA GROUP HOLDING 0.62%

Only in MFSI

Air Liquide SA 2.10%

Cie Financiere Richemont SA 1.90%

Toronto-Dominion Bank/The 1.74%

Eni SpA 1.60%

Intesa Sanpaolo SpA 1.59%

Merck KGaA 1.19%

Kone Oyj 0.90%

Cie de Saint-Gobain SA 0.89%

Check overlap with more funds →

On the same fields

ACWX

iShares MSCI ACWI ex U.S. ETF

MFSI

MFS Active International ETF

Where it sits Stock ETF Stock ETF

Issuer iShares MFS

What it is Tracks the MSCI ACWI ex U.S. Actively managed

Total return, 1 year +18.2% +11.3%

S&P 500 over the same days +17.3% +17.3%

Gap to the S&P 500 +1.0 pts −6.0 pts

Expense ratio 0.32% 0.59%

Already in the S&P 500 0.0% 0.0%

Holdings 1908 93

Net assets, ACWX as of Oct 9, 2026 and MFSI as of May 31, 2026 $17.6bn $1.1bn

ACWX and MFSI on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.

ACWX in plain words

ACWX tracks the MSCI ACWI ex U.S.. Over the year to Oct 9, 2026 it returned +18.2% with distributions reinvested, against +17.3% for the S&P 500. The prospectus expense ratio is 0.32% a year. By its holdings published by its issuer for Oct 8, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1,908 positions, with the top ten at 16.6%. It sat 3.9% below its high of Sep 4, 2026 on Oct 9, 2026.

MFSI in plain words

MFSI is actively managed and tracks no index. Over the year to Oct 9, 2026 it returned +11.3% with distributions reinvested, against +17.3% for the S&P 500. The prospectus expense ratio is 0.59% a year. By its holdings filed for May 31, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 93 positions, with the top ten at 27.9%. It sat 3.4% below its high of Aug 10, 2026 on Oct 9, 2026.

Questions people ask

Which returned more over the last year, ACWX or MFSI?: In the year to Oct 9, 2026, with distributions reinvested, ACWX returned +18.2% and MFSI +11.3%.
Which is cheaper, ACWX or MFSI?: ACWX 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.
How much do ACWX and MFSI overlap with the S&P 500?: By their latest filed holdings, 0% of ACWX and 0% of MFSI by weight is stocks the S&P 500 already holds.

Other comparisons

ACWX vs IMFL ACWX vs SEIE ACWX vs DFSI ACWX vs IQDF DFAI vs MFSI DFIC vs MFSI IQLT vs MFSI CORO vs MFSI

ACWX on its own →MFSI on its own →Hold both: look the portfolio through →Rankings →Standards and sources →

Where these figures came from

ACWX filings on SEC EDGAR ↗ACWX prospectus with the expense ratio (SEC) ↗iShares page for ACWX ↗MFSI filings on SEC EDGAR ↗MFSI prospectus with the expense ratio (SEC) ↗MFS website ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. 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, ACWX against MFSI, data as of Oct 9, 2026. https://etfiq.com/compare/any/acwx-vs-mfsi

Open data

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