MFSMvsMBNDETF Comparison
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MFS Active Intermediate Muni Bond ETF (MFSM) and State Street SPDR Nuveen Municipal Bond ETF (MBND) belong to the same industry segment: Municipal Bonds. Both ETFs have the same top 1 sector exposures: Municipal. MFSM is less expensive with a Total Expense Ratio (TER) of 0.34%, versus 0.4% for MBND. MFSM is down -0.57% year-to-date (YTD) with +$73M in YTD flows. MBND performs worse with -1.28% YTD performance, and -$1M in YTD flows. Run a side-by-side ETF comparison of MFSM and MBND 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 MBND performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/23/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MFSM MBND | +1.69%+1.67% | -1.09%-0.80% | -0.57%-1.28% | -0.09%-0.94% | n/a+12.93% | n/a+1.48% |
| Flows | MFSM MBND | +$18M-$1M | +$24M-$1M | +$73M-$1M | +$75M-$1M | --$19M | --$16M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MFSM MBND | +5.38%+4.93% | +3.32%+3.10% | n/a+3.66% | n/a+3.50% |
| Max drawdown | MFSM MBND | -5.93%-5.28% | -6.71%-6.30% | n/a-6.30% | n/a-13.12% |
| Max drawdown duration | MFSM MBND | 71d71d | 109d236d | n/a236d | n/a1363d |
Trading data
MFSM | MBND | |
Last sale 10/23/2026 at 1:30 PM | $24.20 | $26.19 |
| Previous close 10/22/2026 | $24.19 | $26.13 |
| Consolidated volume 10/22/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 10/23/2026 at 1:30 PM
Live
Closed
MFSM | MBND | |
|---|---|---|
| Last price | $24.20 | $26.19 |
| 1D performance | +0.04% | +0.23% |
| AuM | $122.17 M | $25.15 M |
| E/R | 0.34% | 0.4% |
Characteristics
MFSM | MBND | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | MFS | State Street Investment Management |
| Benchmark | - | - |
| N° of holdings | 101 | 22 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 4, 2024 | February 4, 2021 |
| ESG | No | No |
Exposure
Countries
MFSM
USA
25.81%
Other
74.19%
MBND
USA
27.73%
Other
72.27%
Sectors
MFSM
Municipal
25.81%
Other
74.19%
MBND
Municipal
27.73%
Other
72.27%
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Diversification
MFSM
Total weight of top 15 holdings out of 15
9.44%
MBND
Total weight of top 15 holdings out of 15
36.73%
Top 15 holdings
Data as of August 31, 2026
MFSM
US60416UV512
0.91%
Oklahoma Public Property Authority, 5% 1jun2034, USD (2026)
0.80%
Missouri Health and Educational Facilities Authority, 5% 1apr2036, USD (2026A)
0.80%
California Community Choice Financing Authority, 5% 1dec2055, USD (2025C)
0.70%
US763056DQ86
0.68%
US702538FE43
0.68%
US95235TAW36
0.66%
US10623ADK60
0.54%
Paulding Hospital Authority, 5% 1apr2036, USD
0.53%
US49121DAB82
0.53%
St. Tammany Parish Hospital Service District №1, 5% 1jul2056, USD (2026A)
0.52%
St. Cloud, 5% 1may2036, USD (2026)
0.52%
Austin, 5% 15nov2034, USD (2026B)
0.52%
US75989FAM59
0.52%
US897579CQ99
0.52%
MBND
US040664NJ98
2.94%
US91756SAR40
2.84%
New Mexico, 4% 1aug2039, USD (2017A)
2.74%
US64971PKD68
2.72%
US797661G828
2.58%
Southeast Energy Authority, 5% 1nov2035, USD (2024A)
2.51%
US896032AK58
2.45%
US649451KJ96
2.41%
US56035DGB29
2.39%
California Community Choice Financing Authority, 5% 1sep2032, USD (2024E)
2.34%
US346843PW94
2.30%
Georgia Municipal Electric Authority, 5% 1jan2048, USD (2019B)
2.25%
US679111E426
2.17%
US677561KM32
2.08%
US594712ZR50
2.01%
Frequently asked questions about MFSM and MBND
How have the MFSM and MBND ETFs performed in 2026?
As of October 23, 2026, MFSM is down -0.57% year-to-date (YTD), while MBND has lost -1.28%. That puts MFSM better performer ahead so far this year.
Which ETF is attracting more investor money: MFSM or MBND?
Year-to-date, the MFSM ETF saw +$73M in flows, compared to -$1M for MBND.
Which ETF is more volatile: MFSM or MBND?
Over the past year, MFSM had a volatility of 3.32%, while MBND experienced 3.1%.
Which ETF is bigger: MFSM or MBND?
As of October 23, 2026, MFSM holds $122.17 M in assets under management (AUM), while MBND manages $25.15 M.
What sectors do the MFSM and MBND ETFs invest in?
MFSM leans toward sectors like Municipal. Meanwhile, MBND focuses on Municipal.
What are the top holdings of the MFSM ETF and MBND ETF?
MFSM top holdings include US60416UV512, Oklahoma Public Property Authority, 5% 1jun2034, USD (2026) and Missouri Health and Educational Facilities Authority, 5% 1apr2036, USD (2026A). MBND holds in its top three: US040664NJ98, US91756SAR40 and New Mexico, 4% 1aug2039, USD (2017A).
Which ETF is more diversified: MFSM or MBND?
MFSM holds 418 securities with 9.44% of its assets in the top 15. MBND has 72 securities and a top 15 weight of 36.73%.
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Latest news about MFSM & MBND
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