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 down -0.89% year-to-date (YTD) with +$440M in YTD flows. IBMO performs better with 1.93% YTD performance, and -$59M 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 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | INMU IBMO | +0.23%+0.23% | -2.48%+0.61% | -0.89%+1.93% | -0.07%+2.47% | +13.68%+10.53% | +6.18%+4.56% |
| Flows | INMU IBMO | +$136M-$35M | +$153M-$69M | +$440M-$59M | +$486M-$3M | +$665M+$182M | +$667M+$390M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | INMU IBMO | +4.47%+0.14% | +2.81%+0.21% | +3.40%+0.79% | +3.13%+1.52% |
| Max drawdown | INMU IBMO | -4.99%n/a | -5.62%-0.05% | -5.62%-0.74% | -9.92%-8.06% |
| Max drawdown duration | INMU IBMO | 92dn/a | 229d13d | 229d46d | 947d1150d |
Trading data
INMU | IBMO | |
Last sale 10/16/2026 at 1:30 PM | $23.27 | $25.63 |
| Previous close 10/16/2026 | $23.26 | $25.62 |
| Consolidated volume 10/16/2026 | ||
| 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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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 10/16/2026 at 1:30 PM
Live
Closed
INMU | IBMO | |
|---|---|---|
| Last price | $23.27 | $25.63 |
| 1D performance | +0.04% | +0.04% |
| AuM | $677.35 M | $510.12 M |
| E/R | 0.41% | 0.1% |
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Exposure
Countries
INMU
USA
36.53%
Other
63.47%
IBMO
USA
36.17%
Other
63.83%
Sectors
INMU
Municipal
29.56%
Other
70.44%
IBMO
Municipal
36.12%
Other
63.88%
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Diversification
INMU
Total weight of top 15 holdings out of 15
17.37%
IBMO
Total weight of top 15 holdings out of 15
46.15%
Top 15 holdings
Data as of August 31, 2026
INMU
BlackRock Liquidity MuniCash
6.97%
US207758Z636
0.98%
US20772KF792
0.83%
Black Belt Energy Gas District, 5% 1nov2036, USD (2026)
0.82%
Tennessee Energy Acquisition Corp., 5% 1nov2034, USD (2026A)
0.79%
US60416TYA05
0.77%
US93974E2E58
0.77%
California Statewide Communities Development Authority, 5% 1oct2028, USD (2025A)
0.77%
US13034DBS27
0.71%
Southern California Public Power Authority, 5% 1nov2033, USD (2026A)
0.68%
US67765QUU83
0.68%
Harris Cultural Education Facilities Finance Corp., 5% 1dec2033, USD (2026A)
0.67%
Pennsylvania Public School Building Authority, 5% 1jun2032, USD (2016A)
0.65%
US576528DP59
0.65%
US87638TJX28
0.63%
IBMO
US1966307T89
4.51%
Orlando Utilities Commission, FRN 1oct2039, USD (2015B)
4.51%
US20775DTT99
4.33%
US812643ZK32
3.82%
US79642GTU66
3.82%
US254845VW74
3.61%
US44244CN944
3.61%
US89602RPH20
3.01%
US196707Y498
2.53%
Battery Park City Authority, FRN 1nov2038, USD (2019D)
2.45%
Metropolitan Atlanta Rapid Transit Authority, FRN 1jul2045, USD (2026B)
2.16%
Long Island Power Authority, FRN 1sep2042, USD (2026A)
2.07%
US576051R651
2.00%
US495290ET12
1.91%
US542691LG38
1.80%
Frequently asked questions about INMU and IBMO
How have the INMU and IBMO ETFs performed in 2026?
As of October 16, 2026, INMU is down -0.89% year-to-date (YTD), while IBMO has returned 1.93%. 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 +$440M in flows, compared to -$59M for IBMO.
Which ETF is more volatile: INMU or IBMO?
Over the past year, INMU had a volatility of 2.81%, while IBMO experienced 0.21%.
Which ETF is bigger: INMU or IBMO?
As of October 16, 2026, INMU holds $677.35 M in assets under management (AUM), while IBMO manages $510.12 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, US207758Z636 and US20772KF792. IBMO holds in its top three: US1966307T89, Orlando Utilities Commission, FRN 1oct2039, USD (2015B) and US20775DTT99.
Which ETF is more diversified: INMU or IBMO?
INMU holds 444 securities with 17.37% of its assets in the top 15. IBMO has 517 securities and a top 15 weight of 46.15%.
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