IBMUvsBKMSETF Comparison
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iShares iBonds Dec 2032 Term Muni Bond ETF (IBMU) and BNY Mellon Municipal Short Duration ETF (BKMS) belong to the same industry segment: Municipal Bonds. IBMU's top 2 sector exposures are Municipal and Non-Corporate. In contrast, BKMS's top sector exposures are Municipal. IBMU is less expensive with a Total Expense Ratio (TER) of 0.1%, versus 0.35% for BKMS. Run a side-by-side ETF comparison of IBMU and BKMS 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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IBMU vs BKMS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/26/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBMU BKMS | +4.30%+1.79% | +0.33%+0.31% | n/an/a | n/an/a | n/an/a | n/an/a |
| Flows | IBMU BKMS | +$11M+$27M | +$20M+$33M | -- | -- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBMU BKMS | +4.78%+1.87% | n/an/a | n/an/a | n/an/a |
| Max drawdown | IBMU BKMS | -4.79%-1.90% | n/an/a | n/an/a | n/an/a |
| Max drawdown duration | IBMU BKMS | 74d61d | n/an/a | n/an/a | n/an/a |
Trading data
IBMU | BKMS | |
Last sale 10/27/2026 at 1:30 PM | $25.33 | |
| Previous close 10/26/2026 | $25.33 | |
| Consolidated volume 10/26/2026 | ||
| 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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BKMS
is actively managed and doesn’t replicate an indexIBMU | BKMS | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/27/2026 at 1:30 PM
Live
Closed
IBMU | BKMS | |
|---|---|---|
| Last price | – | $25.33 |
| 1D performance | – | +0.00% |
| AuM | $32.36 M | $461.15 M |
| E/R | 0.1% | 0.35% |
Characteristics
IBMU | BKMS | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | BNY Mellon |
| Benchmark | S&P AMT-Free Municipal Series Callable-Adjusted 2032 Index | - |
| N° of holdings | 123 | 43 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | March 25, 2026 | January 9, 2026 |
| ESG | No | No |
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Exposure
Countries
IBMU
USA
26.76%
Other
73.24%
BKMS
USA
24.68%
Other
75.32%
Sectors
IBMU
Municipal
26.21%
Other
73.79%
BKMS
Municipal
24.68%
Other
75.32%
Diversification
IBMU
Total weight of top 15 holdings out of 15
10.27%
BKMS
Total weight of top 15 holdings out of 15
20.5%
Top 15 holdings
Data as of August 31, 2026
IBMU
California Public Works Board, 5% 1sep2032, USD
1.13%
New York Dormitory Authority, 5% 1oct2032, USD (2023A)
0.98%
US93974EWB81
0.81%
US54641CBJ36
0.77%
US30382ANK42
0.65%
Oklahoma Capitol Improvement Authority, 5% 1jul2032, USD (2026A)
0.64%
US60412AYF47
0.63%
University of Texas, 5% 15aug2034, USD (2023A)
0.62%
City of New York, 6.75% 29jun1990, USD
0.60%
US452227VY47
0.59%
US9151832Q95
0.59%
US546417JN78
0.58%
US386442ZP50
0.57%
US68607DWA98
0.57%
BlackRock Liquidity MuniCash
0.55%
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%
Frequently asked questions about IBMU and BKMS
Which ETF is bigger: IBMU or BKMS?
As of October 26, 2026, IBMU holds $32.36 M in assets under management (AUM), while BKMS manages $461.15 M.
What sectors do the IBMU and BKMS ETFs invest in?
IBMU leans toward sectors like Municipal. Meanwhile, BKMS focuses on Municipal.
What are the top holdings of the IBMU ETF and BKMS ETF?
IBMU top holdings include California Public Works Board, 5% 1sep2032, USD, New York Dormitory Authority, 5% 1oct2032, USD (2023A) and US93974EWB81. BKMS holds in its top three: US762196EY54, Tarrant Cultural Education Facilities Finance Corp., 5% 15nov2064, USD (2025B) and Southeast Energy Authority, 5% 1may2053, USD (2022).
Which ETF is more diversified: IBMU or BKMS?
IBMU holds 496 securities with 10.27% of its assets in the top 15. BKMS has 253 securities and a top 15 weight of 20.5%.
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