MFSMvsMMSDETF Comparison
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MFS Active Intermediate Muni Bond ETF (MFSM) and NYLI MacKay Muni Short Duration ETF (MMSD) belong to the same industry segment: Municipal Bonds. MFSM's top 1 sector exposures are Municipal. In contrast, MMSD's top sector exposures are Municipal, Healthcare and Industrials. MFSM is less expensive with a Total Expense Ratio (TER) of 0.34%, versus 0.44% for MMSD. MFSM is down -1.14% year-to-date (YTD) with +$53M in YTD flows. MMSD performs better with 0.92% YTD performance, and +$28M in YTD flows. Run a side-by-side ETF comparison of MFSM and MMSD 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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MFSM vs MMSD performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/10/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MFSM MMSD | -2.52%-0.66% | -2.93%-0.32% | -1.14%+0.92% | +0.85%+1.42% | n/an/a | n/an/a |
| Flows | MFSM MMSD | +$2M+$6M | +$7M+$15M | +$53M+$28M | +$57M+$56M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MFSM MMSD | +2.94%+1.32% | +2.33%+1.13% | n/an/a | n/an/a |
| Max drawdown | MFSM MMSD | -3.53%-0.83% | -3.53%-1.25% | n/an/a | n/an/a |
| Max drawdown duration | MFSM MMSD | 66d16d | 66d114d | n/an/a | n/an/a |
Trading data
MFSM | MMSD | |
Last sale 9/10/2026 at 1:30 PM | $24.14 | $24.99 |
| Previous close 09/10/2026 | $24.32 | $25.10 |
| Consolidated volume 09/10/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/10/2026 at 1:30 PM
Live
Closed
MFSM | MMSD | |
|---|---|---|
| Last price | $24.14 | $24.99 |
| 1D performance | -0.74% | -0.41% |
| AuM | $101.93 M | $83.83 M |
| E/R | 0.34% | 0.44% |
Characteristics
MFSM | MMSD | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | MFS | New York Life Investments |
| Benchmark | - | - |
| N° of holdings | 103 | 41 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 4, 2024 | May 5, 2025 |
| ESG | No | No |
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Exposure
Countries
MFSM
USA
27.33%
Other
72.67%
MMSD
USA
24.97%
Other
75.03%
Sectors
MFSM
Municipal
27.33%
Other
72.67%
MMSD
Municipal
22.59%
Other
77.41%
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Diversification
MFSM
Total weight of top 15 holdings out of 15
10.5%
MMSD
Total weight of top 15 holdings out of 15
19.67%
Top 15 holdings
Data as of July 31, 2026
MFSM
US49126RAC07
1.00%
US60416UV512
0.94%
Oklahoma Public Property Authority, 5% 1jun2034, USD (2026)
0.83%
Missouri Health and Educational Facilities Authority, 5% 1apr2036, USD (2026A)
0.83%
US708692CB22
0.75%
California Community Choice Financing Authority, 5% 1dec2055, USD (2025C)
0.72%
US763056DQ86
0.72%
US702538FE43
0.71%
US95235TAW36
0.69%
Paulding Hospital Authority, 5% 1apr2036, USD
0.55%
St. Cloud, 5% 1may2036, USD (2026)
0.55%
US164555EB63
0.55%
US49121DAB82
0.55%
US75989FAM59
0.55%
St. Tammany Parish Hospital Service District №1, 5% 1jul2056, USD (2026A)
0.55%
MMSD
US708692BV94
1.85%
US72342NAF24
1.51%
US118217CN67
1.32%
US84136HCT86
1.31%
US19648FJ393
1.29%
Black Belt Energy Gas District, 5% 1jun2031, USD (2026)
1.29%
Main Street Natural Gas Inc., 5% 1may2054, USD (2023D)
1.28%
US63609YAA64
1.24%
New York Housing Development Corp., 5.458% 15dec2031, USD (2024, A)
1.24%
US360059AL37
1.23%
US59447UBB52
1.23%
US04785VCD47
1.23%
Arkansas Development Finance Authority, 4% 1sep2046, USD (2026A)
1.23%
San Jose (CA), 3.05% 1may2066, USD (2026A)
1.22%
US87972MCC47
1.22%
Frequently asked questions about MFSM and MMSD
How have the MFSM and MMSD ETFs performed in 2026?
As of September 10, 2026, MFSM is down -1.14% year-to-date (YTD), while MMSD has returned 0.92%. That puts MMSD better performer ahead so far this year.
Which ETF is attracting more investor money: MFSM or MMSD?
Year-to-date, the MFSM ETF saw +$53M in flows, compared to +$28M for MMSD.
Which ETF is more volatile: MFSM or MMSD?
Over the past year, MFSM had a volatility of 2.33%, while MMSD experienced 1.13%.
Which ETF is bigger: MFSM or MMSD?
As of September 10, 2026, MFSM holds $101.93 M in assets under management (AUM), while MMSD manages $83.83 M.
What sectors do the MFSM and MMSD ETFs invest in?
MFSM leans toward sectors like Municipal. Meanwhile, MMSD focuses on Municipal.
What are the top holdings of the MFSM ETF and MMSD ETF?
MFSM top holdings include US49126RAC07, US60416UV512 and Oklahoma Public Property Authority, 5% 1jun2034, USD (2026). MMSD holds in its top three: US708692BV94, US72342NAF24 and US118217CN67.
Which ETF is more diversified: MFSM or MMSD?
MFSM holds 409 securities with 10.5% of its assets in the top 15. MMSD has 155 securities and a top 15 weight of 19.67%.
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Latest news about MFSM & MMSD
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