MFSIvsEFFIETF Comparison
VS
ETF 2
EFFI
Harbor Osmosis International Resource Efficient ETF
This fund is part of
DM Large & Mid Cap
+1.79%
MFS Active International ETF (MFSI) belongs to the Uncategorized Equities segment. Harbor Osmosis International Resource Efficient ETF (EFFI) is part of the DM Large & Mid Cap segment. Both ETFs have the same top 3 sector exposures: Financials, Industrials and Information Technology. MFSI is more expensive with a Total Expense Ratio (TER) of 0.59%, versus 0.55% for EFFI. MFSI is up 4.42% year-to-date (YTD) with +$333M in YTD flows. EFFI performs worse with 3.73% YTD performance, and +$3M in YTD flows. Run a side-by-side ETF comparison of MFSI and EFFI 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 EFFI performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 06/11/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MFSI EFFI | +0.02%-0.24% | +4.25%+4.11% | +4.42%+3.73% | +13.73%+16.57% | n/an/a | n/an/a |
| Flows | MFSI EFFI | +$60M-$9K | +$176M+$2M | +$333M+$3M | +$731M+$3M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MFSI EFFI | +15.85%+15.19% | +12.27%+12.57% | n/an/a | n/an/a |
| Max drawdown | MFSI EFFI | -5.35%-4.32% | -10.94%-9.83% | n/an/a | n/an/a |
| Max drawdown duration | MFSI EFFI | 27d27d | 88d88d | n/an/a | n/an/a |
Trading data
MFSI | EFFI | |
Last sale 6/11/2026 at 1:30 PM | $32.22 | $25.35 |
| Previous close 06/11/2026 | $31.47 | $24.84 |
| Consolidated volume 06/11/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 6/11/2026 at 1:30 PM
Live
Closed
MFSI | EFFI | |
|---|---|---|
| Last price | $32.22 | $25.35 |
| 1D performance | +2.38% | +2.05% |
| AuM | $1.09 B | $141.59 M |
| E/R | 0.59% | 0.55% |
Characteristics
MFSI | EFFI | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | MFS | Harbor Capital |
| Benchmark | - | - |
| N° of holdings | 74 | 66 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 4, 2024 | December 10, 2024 |
| ESG | No | Yes |
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Exposure
Countries
MFSI
Japan
14.96%
USA
12.75%
France
12.29%
United Kingdom
10.29%
Other
49.71%
EFFI
Japan
19.23%
Canada
11.36%
United Kingdom
9.3%
France
7.57%
Other
52.53%
Sectors
MFSI
Financials
18.47%
Industrials
14.52%
Information Techn.
8.44%
Consumer Discreti.
7.46%
Other
51.11%
EFFI
Financials
22.5%
Industrials
19.05%
Information Techn.
9.82%
Health Care
8.78%
Materials
8.03%
Consumer Discreti.
7.34%
Other
24.49%
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Diversification
MFSI
Total weight of top 15 holdings out of 15
35.09%
EFFI
Total weight of top 15 holdings out of 15
43.6%
Top 15 holdings
Data as of April 30, 2026
MFSI
US8740391003
7.70%
SAMSUNG ELECTR
3.21%
MITSUBISHI ELECTRIC
2.27%
AIR LIQUIDE
2.25%
SCHNEIDER ELECTRIC SE
2.09%
HITACHI
2.02%
TOTALENERGIES SE
1.84%
NOVARTIS
1.81%
ENI
1.74%
DEUTSCHE BOERSE AG
1.74%
CIE FINANCIERE RICHEMONT AG ZUG
1.73%
ENGIE
1.71%
TORONTO DOMINION
1.69%
INTESA SANPAOLO
1.66%
BNP PARIBAS
1.63%
EFFI
RECRUIT HLDGS CO LTD
3.72%
L OREAL S.A.
3.38%
SONOVA
3.26%
MERCEDES-BENZ GROUP AG
3.23%
GLENCORE PLC
3.14%
TOYOTA TSUSHO
3.11%
LUNDIN GOLD INC
2.98%
SWEDISH ORPHAN BIOVITRUM
2.98%
KEYENCE
2.87%
MEDIBANK PRIVATE LIMITED
2.73%
ROYAL BK CANADA
2.63%
VESTAS WIND SYSTEMS
2.53%
ASTRAZENECA
2.53%
BANCO SANTANDER SA
2.27%
UNICREDIT SPA
2.24%
Frequently asked questions about MFSI and EFFI
How have the MFSI and EFFI ETFs performed in 2026?
As of June 11, 2026, MFSI is up 4.42% year-to-date (YTD), while EFFI has returned 3.73%. That puts MFSI better performer ahead so far this year.
Which ETF is attracting more investor money: MFSI or EFFI?
Year-to-date, the MFSI ETF saw +$333M in flows, compared to +$3M for EFFI.
Which ETF is more volatile: MFSI or EFFI?
Over the past year, MFSI had a volatility of 12.27%, while EFFI experienced 12.57%.
Which ETF is bigger: MFSI or EFFI?
As of June 11, 2026, MFSI holds $1.09 B in assets under management (AUM), while EFFI manages $141.59 M.
What sectors do the MFSI and EFFI ETFs invest in?
MFSI leans toward sectors like Financials, Industrials and Information Technology. Meanwhile, EFFI focuses on Financials, Industrials and Information Technology.
What are the top holdings of the MFSI ETF and EFFI ETF?
MFSI top holdings include US8740391003, SAMSUNG ELECTR and MITSUBISHI ELECTRIC. EFFI holds in its top three: RECRUIT HLDGS CO LTD, L OREAL S.A. and SONOVA.
Which ETF is more diversified: MFSI or EFFI?
MFSI holds 80 securities with 35.09% of its assets in the top 15. EFFI has 66 securities and a top 15 weight of 43.6%.
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Latest news about MFSI & EFFI
What's the Fund | MFS Active International ETF (MFSI)
July 25, 2025
MFSI
Beyond Borders: Harbor Launches Two New Global Equity ETFs
June 5, 2025
EFFI
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