IMTBvsBSMSETF Comparison
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iShares Core 5-10 Year USD Bond ETF (IMTB) belongs to the US Aggregate Bonds segment. Invesco BulletShares 2028 Municipal Bond ETF (BSMS) is part of the Municipal Bonds segment. IMTB's top 3 sector exposures are Sovereign, Industrials and Non-Corporate. In contrast, BSMS's top sector exposures are Municipal. IMTB is less expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.18% for BSMS. IMTB is down -0.41% year-to-date (YTD) with +$4M in YTD flows. BSMS performs better with -0.33% YTD performance, and +$75M in YTD flows. Run a side-by-side ETF comparison of IMTB and BSMS 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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IMTB vs BSMS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IMTB BSMS | -0.21%-0.01% | -0.90%-0.18% | -0.41%-0.33% | +2.30%+1.22% | +15.61%+8.11% | +1.01%-1.59% |
| Flows | IMTB BSMS | -+$12M | -+$21M | +$4M+$75M | +$26M+$110M | +$84M+$254M | +$158M+$307M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IMTB BSMS | +4.28%+1.04% | +3.94%+1.08% | +5.39%+2.28% | +6.19%+2.89% |
| Max drawdown | IMTB BSMS | -1.75%-0.80% | -2.88%-1.50% | -5.03%-2.97% | -18.13%-14.36% |
| Max drawdown duration | IMTB BSMS | 64d57d | 184d191d | 280d73d | 1452d1806d |
Trading data
IMTB | BSMS | |
Last sale 9/2/2026 at 1:30 PM | $42.64 | $23.29 |
| Previous close 09/01/2026 | $42.60 | $23.30 |
| 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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IMTB | BSMS | |
|---|---|---|
| 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
IMTB | BSMS | |
|---|---|---|
| Last price | $42.64 | $23.29 |
| 1D performance | +0.10% | -0.02% |
| AuM | $272.76 M | $322.86 M |
| E/R | 0.07% | 0.18% |
Characteristics
IMTB | BSMS | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | Invesco |
| Benchmark | Bloomberg U.S. Universal 5-10 Years Index | Invesco BulletShares USD Municipal Bond 2028 Index |
| N° of holdings | 2875 | 1156 |
| Asset class | Bonds | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 1, 2016 | September 13, 2019 |
| ESG | No | No |
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Exposure
Countries
IMTB
USA
63.31%
Other
36.69%
BSMS
USA
63.86%
Other
36.14%
Sectors
IMTB
Sovereign
24.95%
Industrials
13.03%
Non-Corporate
10.19%
Finance
10.09%
Other
41.75%
BSMS
Municipal
63.86%
Other
36.14%
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Diversification
IMTB
Total weight of top 15 holdings out of 15
23.24%
BSMS
Total weight of top 15 holdings out of 15
4.76%
Top 15 holdings
Data as of July 31, 2026
IMTB
BlackRock Cash Funds - Institutional
10.15%
USA, Notes 4.375% 15may2034, USD (C-2034)
1.19%
USA, Notes 4.25% 15aug2035, USD (E-2035)
1.16%
USA, Notes 4% 15nov2035, USD (F-2035)
1.11%
USA, Notes 4.625% 15feb2035, USD (B-2035)
1.03%
US01F0206874
0.93%
USA, Notes 2.875% 15may2032, USD (C-2032)
0.92%
USA, Notes 3.875% 15aug2034, USD (E-2034)
0.91%
USA, Notes 4% 15feb2034, USD (B-2034)
0.86%
USA, Notes 1.25% 15aug2031, USD (E-2031)
0.85%
US31418EDB39
0.85%
USA, Notes 4.125% 15feb2036, USD (B-2036)
0.82%
US3140XLFE34
0.82%
USA, Notes 4.5% 15nov2033, USD (F-2033)
0.82%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.82%
BSMS
Illinois, 5% 1nov2028, USD (2017D)
0.50%
Texas Water Development Board, 5% 15apr2049, USD (2018B)
0.49%
Triborough Bridge and Tunnel Authority, 5% 1feb2028, USD (2025A)
0.49%
North Texas Tollway Authority, 5% 1jan2043, USD (2017A)
0.38%
Los Angeles Department of Water and Power, 5% 1jul2028, USD (2025)
0.35%
Los Angeles Unified School District, 5.25% 1jul2042, USD
0.30%
New Jersey, 5% 1jun2028, USD
0.30%
Triborough Bridge and Tunnel Authority, 5% 1mar2028, USD (2025A)
0.30%
Los Angeles Metropolitan Transportation Authority, 5% 1jul2044, USD (2019-A)
0.29%
Grand Parkway Transportation Corp., 5% 1oct2043, USD (2018A)
0.23%
Las Vegas Convention and Visitors Authority, 5% 1jul2043, USD
0.23%
New York Dormitory Authority, 5% 15mar2048, USD (2018)
0.22%
County of Clark (NV), 5% 1may2048, USD
0.22%
Illinois Toll Highway Authority, 5% 1jan2042, USD
0.22%
Pennsylvania, 3.75% 1mar2039, USD
0.22%
Frequently asked questions about IMTB and BSMS
How have the IMTB and BSMS ETFs performed in 2026?
As of September 1, 2026, IMTB is down -0.41% year-to-date (YTD), while BSMS has lost -0.33%. That puts BSMS better performer ahead so far this year.
Which ETF is attracting more investor money: IMTB or BSMS?
Year-to-date, the IMTB ETF saw +$4M in flows, compared to +$75M for BSMS.
Which ETF is more volatile: IMTB or BSMS?
Over the past year, IMTB had a volatility of 3.94%, while BSMS experienced 1.08%.
Which ETF is bigger: IMTB or BSMS?
As of September 1, 2026, IMTB holds $272.76 M in assets under management (AUM), while BSMS manages $322.86 M.
What sectors do the IMTB and BSMS ETFs invest in?
IMTB leans toward sectors like Sovereign, Industrials and Non-Corporate. Meanwhile, BSMS focuses on Municipal.
What are the top holdings of the IMTB ETF and BSMS ETF?
IMTB top holdings include BlackRock Cash Funds - Institutional, USA, Notes 4.375% 15may2034, USD (C-2034) and USA, Notes 4.25% 15aug2035, USD (E-2035). BSMS holds in its top three: Illinois, 5% 1nov2028, USD (2017D), Texas Water Development Board, 5% 15apr2049, USD (2018B) and Triborough Bridge and Tunnel Authority, 5% 1feb2028, USD (2025A).
Which ETF is more diversified: IMTB or BSMS?
IMTB holds 3452 securities with 23.24% of its assets in the top 15. BSMS has 2245 securities and a top 15 weight of 4.76%.
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