MFSIvsACWXETF Comparison
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MFS Active International ETF (MFSI) belongs to the Uncategorized Equities segment. iShares MSCI ACWI ex U.S. ETF (ACWX) is part of the Global Blended Cap segment. Both ETFs have the same top 3 sector exposures: Finance, Technology and Industrials. MFSI is more expensive with a Total Expense Ratio (TER) of 0.59%, versus 0.32% for ACWX. MFSI is up 7.39% year-to-date (YTD) with +$487M in YTD flows. ACWX performs better with 11.84% YTD performance, and +$9.22B in YTD flows. Run a side-by-side ETF comparison of MFSI and ACWX below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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MFSI vs ACWX performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MFSI ACWX | -0.59%-2.59% | +0.28%-0.25% | +7.39%+11.84% | +9.80%+13.78% | n/a+79.16% | n/a+49.83% |
| Flows | MFSI ACWX | +$54M+$2.08B | +$119M+$6.74B | +$487M+$9.22B | +$649M+$10.00B | -+$10.91B | -+$11.36B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MFSI ACWX | +8.99%+13.59% | +12.34%+16.87% | n/a+14.83% | n/a+15.81% |
| Max drawdown | MFSI ACWX | -4.39%-6.30% | -10.94%-11.33% | n/a-13.37% | n/a-29.09% |
| Max drawdown duration | MFSI ACWX | 79d50d | 88d69d | n/a43d | n/a906d |
Trading data
MFSI | ACWX | |
Last sale 10/28/2026 at 1:30 PM | $32.95 | $74.63 |
| Previous close 10/27/2026 | $32.83 | $74.15 |
| Consolidated volume 10/27/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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MFSI
is actively managed and doesn’t replicate an indexMFSI | ACWX | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
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Main metrics
Last update 10/28/2026 at 1:30 PM
Live
Closed
MFSI | ACWX | |
|---|---|---|
| Last price | $32.95 | $74.63 |
| 1D performance | +0.37% | +0.65% |
| AuM | $1.27 B | $17.90 B |
| E/R | 0.59% | 0.32% |
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Exposure
Countries
MFSI
Japan
14.76%
France
11.37%
Switzerland
10.01%
United Kingdom
9.94%
Taiwan
8.42%
Other
45.5%
ACWX
Japan
14.02%
Taiwan
9.02%
Canada
8.14%
United Kingdom
8.1%
Other
60.72%
Sectors
MFSI
Finance
25.16%
Technology
21.81%
Industrials
11.94%
Healthcare
8.67%
Consumer Non-Cycl.
7.67%
Other
24.75%
ACWX
Finance
27%
Technology
22.65%
Industrials
11.89%
Non-Energy Materi.
7.83%
Other
30.63%
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Diversification
MFSI
Total weight of top 15 holdings out of 15
35.68%
ACWX
Total weight of top 15 holdings out of 15
18.87%
Top 15 holdings
Data as of August 31, 2026
MFSI
Taiwan Semiconductor Manufacturing Co., Ltd.
7.33%
Samsung Electronics Co., Ltd.
3.51%
Tencent Holdings Ltd.
2.29%
Schneider Electric SE
2.09%
Hitachi Ltd.
2.01%
Compagnie Financière Richemont SA
2.01%
Rolls-Royce Holdings Plc
1.98%
Novartis AG
1.89%
Roche Holding AG
1.87%
ING Groep NV
1.86%
Intesa Sanpaolo SpA
1.79%
The Toronto-Dominion Bank
1.79%
Air Liquide SA
1.78%
TotalEnergies SE
1.76%
Mitsubishi Electric Corp.
1.72%
ACWX
Taiwan Semiconductor Manufacturing Co., Ltd.
4.93%
Samsung Electronics Co., Ltd.
2.35%
SK hynix, Inc.
1.78%
ASML Holding NV
1.73%
Tencent Holdings Ltd.
0.94%
HSBC Holdings Plc
0.93%
Roche Holding AG
0.81%
Royal Bank of Canada
0.75%
Novartis AG
0.74%
Shell Plc
0.67%
Nestlé SA
0.66%
Mitsubishi UFJ Financial Group, Inc.
0.65%
AstraZeneca PLC
0.65%
Alibaba Group Holding Ltd.
0.65%
BHP Group Ltd.
0.64%
Frequently asked questions about MFSI and ACWX
How have the MFSI and ACWX ETFs performed in 2026?
As of October 27, 2026, MFSI is up 7.39% year-to-date (YTD), while ACWX has returned 11.84%. That puts ACWX better performer ahead so far this year.
Which ETF is attracting more investor money: MFSI or ACWX?
Year-to-date, the MFSI ETF saw +$487M in flows, compared to +$9.22B for ACWX.
Which ETF is more volatile: MFSI or ACWX?
Over the past year, MFSI had a volatility of 12.34%, while ACWX experienced 16.87%.
Which ETF is bigger: MFSI or ACWX?
As of October 27, 2026, MFSI holds $1.27 B in assets under management (AUM), while ACWX manages $17.90 B.
What sectors do the MFSI and ACWX ETFs invest in?
MFSI leans toward sectors like Finance, Technology and Industrials. Meanwhile, ACWX focuses on Finance, Technology and Industrials.
What are the top holdings of the MFSI ETF and ACWX ETF?
MFSI top holdings include Taiwan Semiconductor Manufacturing Co., Ltd., Samsung Electronics Co., Ltd. and Tencent Holdings Ltd.. ACWX holds in its top three: Taiwan Semiconductor Manufacturing Co., Ltd., Samsung Electronics Co., Ltd. and SK hynix, Inc..
Which ETF is more diversified: MFSI or ACWX?
MFSI holds 93 securities with 35.68% of its assets in the top 15. ACWX has 1856 securities and a top 15 weight of 18.87%.
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Latest news about MFSI & ACWX
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