BKMSvsMFSMETF Comparison
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BNY Mellon Municipal Short Duration ETF (BKMS) and MFS Active Intermediate Muni Bond ETF (MFSM) belong to the same industry segment: Municipal Bonds. Both ETFs have the same top 1 sector exposures: Municipal. BKMS is more expensive with a Total Expense Ratio (TER) of 0.35%, versus 0.34% for MFSM. Run a side-by-side ETF comparison of BKMS and MFSM 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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BKMS vs MFSM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BKMS MFSM | -0.07%-0.34% | -0.50%-3.45% | n/a-1.74% | n/a-1.03% | n/an/a | n/an/a |
| Flows | BKMS MFSM | +$24M+$19M | +$27M+$24M | -+$73M | -+$76M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BKMS MFSM | +1.78%+5.24% | n/a+3.20% | n/an/a | n/an/a |
| Max drawdown | BKMS MFSM | -1.90%-6.07% | n/a-6.71% | n/an/a | n/an/a |
| Max drawdown duration | BKMS MFSM | 51d92d | n/a102d | n/an/a | n/an/a |
Trading data
BKMS | MFSM | |
Last sale 10/16/2026 at 1:30 PM | $25.17 | $23.97 |
| Previous close 10/16/2026 | $25.16 | $23.95 |
| Consolidated volume 10/16/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
BKMS | MFSM | |
|---|---|---|
| Last price | $25.17 | $23.97 |
| 1D performance | +0.06% | +0.07% |
| AuM | $455.14 M | $120.73 M |
| E/R | 0.35% | 0.34% |
Characteristics
BKMS | MFSM | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | BNY Mellon | MFS |
| Benchmark | - | - |
| N° of holdings | 43 | 101 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | January 9, 2026 | December 4, 2024 |
| ESG | No | No |
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Exposure
Countries
BKMS
USA
24.68%
Other
75.32%
MFSM
USA
25.81%
Other
74.19%
Sectors
BKMS
Municipal
24.68%
Other
75.32%
MFSM
Municipal
25.81%
Other
74.19%
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Diversification
BKMS
Total weight of top 15 holdings out of 15
20.5%
MFSM
Total weight of top 15 holdings out of 15
9.44%
Top 15 holdings
Data as of August 31, 2026
BKMS
US762196EY54
2.31%
Tarrant Cultural Education Facilities Finance Corp., 5% 15nov2064, USD (2025B)
1.85%
Southeast Energy Authority, 5% 1may2053, USD (2022)
1.76%
New York Dormitory Authority, 5% 1jul2048, USD
1.46%
Connecticut Health and Educational Facilities Authority, 5% 1jul2064, USD (2025B-1)
1.34%
US71783TAC45
1.27%
City of New York, 5% 1aug2030, USD (2026)
1.25%
Private Colleges and Universities Authority, 5% 1sep2029, USD (2025A)
1.24%
Virginia Transportation Board, 5% 15may2031, USD (2017A)
1.19%
US899576HE55
1.18%
US593344CB87
1.17%
New York Housing Finance Agency, 3.6% 1nov2064, USD (2025)
1.17%
Rural Water Financing Agency, 2.75% 1may2028, USD (2025A)
1.15%
US803770XC53
1.11%
US45470YGD76
1.04%
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%
Frequently asked questions about BKMS and MFSM
Which ETF is bigger: BKMS or MFSM?
As of October 16, 2026, BKMS holds $455.14 M in assets under management (AUM), while MFSM manages $120.73 M.
What sectors do the BKMS and MFSM ETFs invest in?
BKMS leans toward sectors like Municipal. Meanwhile, MFSM focuses on Municipal.
What are the top holdings of the BKMS ETF and MFSM ETF?
BKMS top holdings include US762196EY54, Tarrant Cultural Education Facilities Finance Corp., 5% 15nov2064, USD (2025B) and Southeast Energy Authority, 5% 1may2053, USD (2022). MFSM holds in its top three: US60416UV512, Oklahoma Public Property Authority, 5% 1jun2034, USD (2026) and Missouri Health and Educational Facilities Authority, 5% 1apr2036, USD (2026A).
Which ETF is more diversified: BKMS or MFSM?
BKMS holds 253 securities with 20.5% of its assets in the top 15. MFSM has 418 securities and a top 15 weight of 9.44%.
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Latest news about BKMS & MFSM
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