IBMOvsMUSTETF Comparison
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iShares iBonds Dec 2026 Term Muni Bond ETF (IBMO) and Columbia Multi-Sector Municipal Income ETF (MUST) belong to the same industry segment: Municipal Bonds. Both ETFs have the same top 2 sector exposures: Municipal and Non-Corporate. IBMO is less expensive with a Total Expense Ratio (TER) of 0.1%, versus 0.23% for MUST. IBMO is up 1.61% year-to-date (YTD) with -$15M in YTD flows. MUST performs worse with -0.86% YTD performance, and +$76M in YTD flows. Run a side-by-side ETF comparison of IBMO and MUST 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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IBMO vs MUST performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/02/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBMO MUST | +0.19%-0.85% | +0.60%-2.17% | +1.61%-0.86% | +2.31%+3.14% | +9.36%+9.40% | +3.65%+0.98% |
| Flows | IBMO MUST | -$22M+$4M | -$35M+$7M | -$15M+$76M | +$33M+$119M | +$231M+$245M | +$437M+$490M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBMO MUST | +0.15%+2.68% | +0.25%+2.50% | +0.87%+4.15% | +1.52%+3.85% |
| Max drawdown | IBMO MUST | n/a-2.76% | -0.14%-3.19% | -1.20%-5.55% | -8.44%-13.28% |
| Max drawdown duration | IBMO MUST | n/a58d | 51d185d | 58d186d | 1290d1449d |
Trading data
IBMO | MUST | |
Last sale 9/3/2026 at 2:53 PM | $25.63 | $19.99 |
| Previous close 09/02/2026 | $25.60 | $19.97 |
| Consolidated volume 09/02/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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IBMO | MUST | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/3/2026 at 2:53 PM
Live
Closed
IBMO | MUST | |
|---|---|---|
| Last price | $25.63 | $19.99 |
| 1D performance | +0.14% | +0.08% |
| AuM | $553.21 M | $588.00 M |
| E/R | 0.1% | 0.23% |
Characteristics
IBMO | MUST | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | Columbia Threadneedle Investments |
| Benchmark | S&P AMT-Free Municipal Series Callable-Adjusted Dec 2026 Index | Beta Advantage Multi-Sector Municipal Bond Index |
| N° of holdings | 327 | 293 |
| Asset class | Fixed Income | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | April 2, 2019 | October 10, 2018 |
| ESG | No | No |
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Exposure
Countries
IBMO
USA
39.9%
Other
60.1%
MUST
USA
43.22%
Other
56.78%
Sectors
IBMO
Municipal
39.89%
Other
60.11%
MUST
Municipal
43.09%
Other
56.91%
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Diversification
IBMO
Total weight of top 15 holdings out of 15
41.27%
MUST
Total weight of top 15 holdings out of 15
6.31%
Top 15 holdings
Data as of July 31, 2026
IBMO
Orlando Utilities Commission, FRN 1oct2039, USD (2015B)
4.35%
US20775DTT99
4.17%
US812643ZK32
3.69%
US79642GTU66
3.69%
US254845VW74
3.48%
US44244CN944
3.48%
US89602RPH20
2.64%
Battery Park City Authority, FRN 1nov2038, USD (2019D)
2.37%
US576051R651
2.26%
Metropolitan Atlanta Rapid Transit Authority, FRN 1jul2045, USD (2026B)
2.09%
Long Island Power Authority, FRN 1sep2042, USD (2026A)
2.00%
US495290ET12
1.84%
US542691LG38
1.74%
US677632R946
1.74%
US64972GSC95
1.74%
MUST
Miami-Dade, 5% 1oct2036, USD (2024A)
0.54%
US249182QF65
0.53%
New Jersey Turnpike Authority, 5% 1jan2034, USD (2025)
0.48%
US64985SDE00
0.46%
New York Transportation Development Corp., 4.375% 1oct2045, USD (2020)
0.43%
New York Metropolitan Transportation Authority, 4% 15nov2035, USD (2017C-1)
0.43%
US67766WM740
0.42%
Illinois Toll Highway Authority, 5% 1jan2038, USD (2024)
0.39%
US46247SFR04
0.38%
US64972GJ217
0.38%
Chicago O'Hare International Airport, 5% 1jan2048, USD
0.38%
New Jersey Turnpike Authority, 5% 1jan2036, USD
0.38%
US48504NCC11
0.37%
US73358XHU90
0.37%
US88285AJH23
0.37%
Frequently asked questions about IBMO and MUST
How have the IBMO and MUST ETFs performed in 2026?
As of September 2, 2026, IBMO is up 1.61% year-to-date (YTD), while MUST has lost -0.86%. That puts IBMO better performer ahead so far this year.
Which ETF is attracting more investor money: IBMO or MUST?
Year-to-date, the IBMO ETF saw -$15M in flows, compared to +$76M for MUST.
Which ETF is more volatile: IBMO or MUST?
Over the past year, IBMO had a volatility of 0.25%, while MUST experienced 2.5%.
Which ETF is bigger: IBMO or MUST?
As of September 2, 2026, IBMO holds $553.21 M in assets under management (AUM), while MUST manages $588.00 M.
What sectors do the IBMO and MUST ETFs invest in?
IBMO leans toward sectors like Municipal. Meanwhile, MUST focuses on Municipal.
What are the top holdings of the IBMO ETF and MUST ETF?
IBMO top holdings include Orlando Utilities Commission, FRN 1oct2039, USD (2015B), US20775DTT99 and US812643ZK32. MUST holds in its top three: Miami-Dade, 5% 1oct2036, USD (2024A), US249182QF65 and New Jersey Turnpike Authority, 5% 1jan2034, USD (2025).
Which ETF is more diversified: IBMO or MUST?
IBMO holds 713 securities with 41.27% of its assets in the top 15. MUST has 647 securities and a top 15 weight of 6.31%.
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