SUBvsIBMPETF Comparison
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iShares Short-Term National Muni Bond ETF (SUB) and iShares iBonds Dec 2027 Term Muni Bond ETF (IBMP) belong to the same industry segment: Municipal Bonds. Both ETFs have the same top 2 sector exposures: Municipal and Non-Corporate. SUB is less expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.1% for IBMP. SUB is up 1.03% year-to-date (YTD) with +$1.29B in YTD flows. IBMP performs better with 1.55% YTD performance, and +$65M in YTD flows. Run a side-by-side ETF comparison of SUB and IBMP 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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SUB vs IBMP performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/02/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SUB IBMP | +0.15%+0.22% | +0.19%+0.56% | +1.03%+1.55% | +1.71%+2.12% | +9.19%+9.66% | +7.64%+3.15% |
| Flows | SUB IBMP | +$292M+$8M | +$403M+$19M | +$1.29B+$65M | +$1.48B+$103M | +$2.23B+$380M | +$5.78B+$605M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SUB IBMP | +0.79%+0.35% | +0.78%+0.47% | +1.09%+1.34% | +1.15%+1.95% |
| Max drawdown | SUB IBMP | -0.46%-0.10% | -0.81%-0.42% | -1.33%-1.67% | -4.11%-9.68% |
| Max drawdown duration | SUB IBMP | 35d20d | 117d90d | 52d63d | 804d1375d |
Trading data
SUB | IBMP | |
Last sale 9/3/2026 at 1:30 PM | $105.88 | $25.35 |
| Previous close 09/02/2026 | $105.91 | $25.33 |
| 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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SUB | IBMP | |
|---|---|---|
| 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 1:30 PM
Live
Closed
SUB | IBMP | |
|---|---|---|
| Last price | $105.88 | $25.35 |
| 1D performance | -0.03% | +0.10% |
| AuM | $11.60 B | $661.99 M |
| E/R | 0.07% | 0.1% |
Characteristics
SUB | IBMP | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | iShares |
| Benchmark | ICE Short Maturity AMT-Free US National Municipal Index | S&P AMT-Free Municipal Series Callable-Adjusted Dec 2027 Index |
| N° of holdings | 1231 | 693 |
| Asset class | - | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 5, 2008 | August 9, 2019 |
| ESG | No | No |
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Exposure
Countries
SUB
USA
49.36%
Other
50.64%
IBMP
USA
51.41%
Other
48.59%
Sectors
SUB
Municipal
49.36%
Other
50.64%
IBMP
Municipal
51.06%
Other
48.94%
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Diversification
SUB
Total weight of top 15 holdings out of 15
3.53%
IBMP
Total weight of top 15 holdings out of 15
5.18%
Top 15 holdings
Data as of July 31, 2026
SUB
New Jersey Economic Development Authority, 5% 1mar2028, USD (2023)
0.37%
US13063EDB92
0.28%
Empire State Development Corp., 5% 15sep2028, USD (2022A)
0.25%
US91412HWB58
0.25%
US646140JM63
0.24%
California, 5% 1nov2027, USD
0.24%
California, 5% 1apr2029, USD
0.24%
US373385QU02
0.22%
Massachusetts, 5.5% 1aug2030, USD (2004A)
0.21%
City of New York, 5.75% 15may2012, USD
0.21%
US207758Y563
0.21%
New York Transitional Finance Authority, 5% 1nov2030, USD (2026)
0.21%
Pennsylvania, 5% 1mar2028, USD
0.20%
US495290ET12
0.20%
New Jersey, 4% 1jun2030, USD
0.20%
IBMP
Michigan, 5% 15mar2027, USD (2016)
0.45%
California, 5% 1apr2027, USD
0.44%
US91412HTM50
0.39%
US80585TCQ22
0.37%
Geisinger Authority Health System, 5% 1apr2043, USD (2021A)
0.36%
BlackRock Liquidity MuniCash
0.35%
US09182NCB47
0.34%
El Camino Community College District, 0% 1aug2027, USD (2012C)
0.33%
US100853UQ10
0.33%
New Jersey, 5% 1jun2027, USD
0.32%
New Jersey Transportation Trust Fund Authority, 5% 15jun2027, USD (2011A)
0.32%
California Health Facilities Financing Authority, 5% 1nov2027, USD (2017A)
0.31%
District of Columbia, 5% 1oct2027, USD (2019C)
0.29%
Illinois, 5% 1nov2027, USD (2017D)
0.28%
Triborough Bridge and Tunnel Authority, 5% 15may2027, USD (2021C-2)
0.28%
Frequently asked questions about SUB and IBMP
How have the SUB and IBMP ETFs performed in 2026?
As of September 2, 2026, SUB is up 1.03% year-to-date (YTD), while IBMP has returned 1.55%. That puts IBMP better performer ahead so far this year.
Which ETF is attracting more investor money: SUB or IBMP?
Year-to-date, the SUB ETF saw +$1.29B in flows, compared to +$65M for IBMP.
Which ETF is more volatile: SUB or IBMP?
Over the past year, SUB had a volatility of 0.78%, while IBMP experienced 0.47%.
Which ETF is bigger: SUB or IBMP?
As of September 2, 2026, SUB holds $11.60 B in assets under management (AUM), while IBMP manages $661.99 M.
What sectors do the SUB and IBMP ETFs invest in?
SUB leans toward sectors like Municipal. Meanwhile, IBMP focuses on Municipal.
What are the top holdings of the SUB ETF and IBMP ETF?
SUB top holdings include New Jersey Economic Development Authority, 5% 1mar2028, USD (2023), US13063EDB92 and Empire State Development Corp., 5% 15sep2028, USD (2022A). IBMP holds in its top three: Michigan, 5% 15mar2027, USD (2016), California, 5% 1apr2027, USD and US91412HTM50.
Which ETF is more diversified: SUB or IBMP?
SUB holds 2867 securities with 3.53% of its assets in the top 15. IBMP has 1833 securities and a top 15 weight of 5.18%.
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Latest news about SUB & IBMP
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