INMUvsIBMTETF Comparison
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iShares Intermediate Muni Income Active ETF (INMU) and iShares iBonds Dec 2031 Term Muni Bond ETF (IBMT) 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 IBMT. INMU is up 0.08% year-to-date (YTD) with +$311M in YTD flows. IBMT performs worse with -0.58% YTD performance, and +$89M in YTD flows. Run a side-by-side ETF comparison of INMU and IBMT 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 IBMT performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/02/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | INMU IBMT | -0.58%-0.04% | -1.61%-0.84% | +0.08%-0.58% | +3.73%+1.73% | +12.35%n/a | +6.56%n/a |
| Flows | INMU IBMT | +$19M+$11M | +$77M+$49M | +$311M+$89M | +$426M+$121M | +$536M- | +$537M- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | INMU IBMT | +2.25%+1.84% | +2.10%+1.98% | +3.29%n/a | +3.00%n/a |
| Max drawdown | INMU IBMT | -2.17%-1.46% | -2.47%-2.67% | -4.19%n/a | -10.06%n/a |
| Max drawdown duration | INMU IBMT | 58d58d | 185d188d | 177dn/a | 1063dn/a |
Trading data
INMU | IBMT | |
Last sale 9/2/2026 at 1:30 PM | $23.50 | $25.38 |
| Previous close 09/02/2026 | $23.53 | $25.39 |
| 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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INMU
is actively managed and doesn’t replicate an indexINMU | IBMT | |
|---|---|---|
| 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 | IBMT | |
|---|---|---|
| Last price | $23.50 | $25.38 |
| 1D performance | -0.13% | -0.04% |
| AuM | $551.91 M | $140.63 M |
| E/R | 0.41% | 0.1% |
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Exposure
Countries
INMU
USA
34.92%
Other
65.08%
IBMT
USA
35.49%
Other
64.51%
Sectors
INMU
Municipal
30.6%
Other
69.4%
IBMT
Municipal
35.48%
Other
64.52%
Diversification
INMU
Total weight of top 15 holdings out of 15
15.91%
IBMT
Total weight of top 15 holdings out of 15
7.24%
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%
IBMT
New Jersey, 4% 1jun2031, USD
0.90%
US373385QZ98
0.81%
US61334PFN87
0.52%
Los Angeles Unified School District, 5% 1jul2031, USD (2024)
0.48%
University of California, 5% 15may2035, USD (2021)
0.44%
North Texas Tollway Authority, 0% 1jan2031, USD (2008D, 8308D)
0.44%
US7417018C37
0.43%
New York Dormitory Authority, 5% 15mar2035, USD (2021A)
0.42%
Honolulu, 5% 1mar2031, USD (2021E)
0.42%
US650028F323
0.42%
US592190TC68
0.42%
US13068XBK46
0.41%
US915183Y922
0.39%
California Public Works Board, 4% 1oct2035, USD
0.37%
City of New York, 5% 1may2031, USD (2022)
0.37%
Frequently asked questions about INMU and IBMT
How have the INMU and IBMT ETFs performed in 2026?
As of September 2, 2026, INMU is up 0.08% year-to-date (YTD), while IBMT has lost -0.58%. That puts INMU better performer ahead so far this year.
Which ETF is attracting more investor money: INMU or IBMT?
Year-to-date, the INMU ETF saw +$311M in flows, compared to +$89M for IBMT.
Which ETF is more volatile: INMU or IBMT?
Over the past year, INMU had a volatility of 2.1%, while IBMT experienced 1.98%.
Which ETF is bigger: INMU or IBMT?
As of September 2, 2026, INMU holds $551.91 M in assets under management (AUM), while IBMT manages $140.63 M.
What sectors do the INMU and IBMT ETFs invest in?
INMU leans toward sectors like Municipal. Meanwhile, IBMT focuses on Municipal.
What are the top holdings of the INMU ETF and IBMT ETF?
INMU top holdings include BlackRock Liquidity MuniCash, Pennsylvania, 5% 1apr2042, USD (2026) and US207758Z636. IBMT holds in its top three: New Jersey, 4% 1jun2031, USD, US373385QZ98 and US61334PFN87.
Which ETF is more diversified: INMU or IBMT?
INMU holds 430 securities with 15.91% of its assets in the top 15. IBMT has 1123 securities and a top 15 weight of 7.24%.
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