INMUvsIBMOETF Comparison
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iShares Intermediate Muni Income Active ETF (INMU) and iShares iBonds Dec 2026 Term Muni Bond ETF (IBMO) belong to the same industry segment: Municipal Bonds. Both ETFs have the same top 2 sector exposures: Municipal and Non-Corporate. INMU is more expensive with a Total Expense Ratio (TER) of 0.41%, versus 0.1% for IBMO. INMU is up 0.11% year-to-date (YTD) with +$311M in YTD flows. IBMO performs better with 1.61% YTD performance, and -$14M in YTD flows. Run a side-by-side ETF comparison of INMU and IBMO 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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INMU vs IBMO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | INMU IBMO | -0.55%+0.18% | -1.40%+0.61% | +0.11%+1.61% | +3.76%+2.30% | +12.45%+9.40% | +6.61%+3.60% |
| Flows | INMU IBMO | +$19M-$21M | +$77M-$32M | +$311M-$14M | +$426M+$35M | +$536M+$232M | +$537M+$439M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | INMU IBMO | +2.29%+0.15% | +2.11%+0.25% | +3.29%+0.87% | +3.00%+1.52% |
| Max drawdown | INMU IBMO | -2.14%n/a | -2.47%-0.14% | -4.19%-1.20% | -10.06%-8.44% |
| Max drawdown duration | INMU IBMO | 57dn/a | 184d51d | 177d58d | 1063d1290d |
Trading data
INMU | IBMO | |
Last sale 9/2/2026 at 1:30 PM | $23.50 | $25.60 |
| Previous close 09/01/2026 | $23.53 | $25.59 |
| Consolidated volume 09/01/2026 | ||
| 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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INMU
is actively managed and doesn’t replicate an indexINMU | IBMO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/2/2026 at 1:30 PM
Live
Closed
INMU | IBMO | |
|---|---|---|
| Last price | $23.50 | $25.60 |
| 1D performance | -0.13% | +0.04% |
| AuM | $552.08 M | $554.46 M |
| E/R | 0.41% | 0.1% |
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Exposure
Countries
INMU
USA
34.92%
Other
65.08%
IBMO
USA
39.9%
Other
60.1%
Sectors
INMU
Municipal
30.6%
Other
69.4%
IBMO
Municipal
39.89%
Other
60.11%
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Diversification
INMU
Total weight of top 15 holdings out of 15
15.91%
IBMO
Total weight of top 15 holdings out of 15
41.27%
Top 15 holdings
Data as of July 31, 2026
INMU
BlackRock Liquidity MuniCash
4.32%
Pennsylvania, 5% 1apr2042, USD (2026)
1.02%
US207758Z636
1.02%
Port of Portland, 5.25% 1jul2042, USD
0.99%
US20772KF792
0.88%
US09182TEN37
0.85%
State of Washington, 5% 1feb2040, USD (2026C)
0.83%
US575829PX87
0.83%
US13013JHG40
0.82%
US60416TYA05
0.81%
California Statewide Communities Development Authority, 5% 1oct2028, USD (2025A)
0.78%
US13034DBS27
0.73%
Southern California Public Power Authority, 5% 1nov2033, USD (2026A)
0.70%
Pennsylvania Public School Building Authority, 5% 1jun2032, USD (2016A)
0.67%
US576528DP59
0.66%
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%
US677632R946
1.74%
US542691LG38
1.74%
US64972GSC95
1.74%
Frequently asked questions about INMU and IBMO
How have the INMU and IBMO ETFs performed in 2026?
As of September 1, 2026, INMU is up 0.11% year-to-date (YTD), while IBMO has returned 1.61%. That puts IBMO better performer ahead so far this year.
Which ETF is attracting more investor money: INMU or IBMO?
Year-to-date, the INMU ETF saw +$311M in flows, compared to -$14M for IBMO.
Which ETF is more volatile: INMU or IBMO?
Over the past year, INMU had a volatility of 2.11%, while IBMO experienced 0.25%.
Which ETF is bigger: INMU or IBMO?
As of September 1, 2026, INMU holds $552.08 M in assets under management (AUM), while IBMO manages $554.46 M.
What sectors do the INMU and IBMO ETFs invest in?
INMU leans toward sectors like Municipal. Meanwhile, IBMO focuses on Municipal.
What are the top holdings of the INMU ETF and IBMO ETF?
INMU top holdings include BlackRock Liquidity MuniCash, Pennsylvania, 5% 1apr2042, USD (2026) and US207758Z636. IBMO holds in its top three: Orlando Utilities Commission, FRN 1oct2039, USD (2015B), US20775DTT99 and US812643ZK32.
Which ETF is more diversified: INMU or IBMO?
INMU holds 430 securities with 15.91% of its assets in the top 15. IBMO has 713 securities and a top 15 weight of 41.27%.
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