IBMRvsMYMIETF Comparison
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iShares iBonds Dec 2029 Term Muni Bond ETF (IBMR) and State Street SPDR My2029 Municipal Bond ETF (MYMI) belong to the same industry segment: Municipal Bonds. IBMR's top 2 sector exposures are Municipal and Non-Corporate. In contrast, MYMI's top sector exposures are Municipal. IBMR is less expensive with a Total Expense Ratio (TER) of 0.1%, versus 0.2% for MYMI. IBMR is up 0.75% year-to-date (YTD) with +$108M in YTD flows. MYMI performs better with 0.94% YTD performance, and +$2M in YTD flows. Run a side-by-side ETF comparison of IBMR and MYMI 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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IBMR vs MYMI performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBMR MYMI | +0.17%+0.05% | +0.12%-0.03% | +0.75%+0.94% | +1.61%+2.89% | +10.92%n/a | n/an/a |
| Flows | IBMR MYMI | +$14M+$1M | +$33M+$1M | +$108M+$2M | +$197M+$5M | +$477M- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBMR MYMI | +1.06%+1.04% | +1.17%+1.09% | +2.46%n/a | n/an/a |
| Max drawdown | IBMR MYMI | -0.69%-0.74% | -1.37%-1.26% | -3.04%n/a | n/an/a |
| Max drawdown duration | IBMR MYMI | 49d57d | 187d120d | 70dn/a | n/an/a |
Trading data
IBMR | MYMI | |
Last sale 9/2/2026 at 1:30 PM | $25.19 | $24.32 |
| Previous close 09/01/2026 | $25.18 | $24.46 |
| 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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MYMI
is actively managed and doesn’t replicate an indexIBMR | MYMI | |
|---|---|---|
| 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
IBMR | MYMI | |
|---|---|---|
| Last price | $25.19 | $24.32 |
| 1D performance | +0.02% | -0.57% |
| AuM | $480.42 M | $14.65 M |
| E/R | 0.1% | 0.2% |
Characteristics
IBMR | MYMI | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | State Street Investment Management |
| Benchmark | S&P AMT-Free Municipal Series Callable-Adjusted Dec 2029 Index | - |
| N° of holdings | 820 | 59 |
| Asset class | Fixed Income | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 9, 2023 | September 23, 2024 |
| ESG | No | No |
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Exposure
Countries
IBMR
USA
51.62%
Other
48.38%
MYMI
USA
51.18%
Other
48.82%
Sectors
IBMR
Municipal
51.36%
Other
48.64%
MYMI
Municipal
51.18%
Other
48.82%
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Diversification
IBMR
Total weight of top 15 holdings out of 15
6.13%
MYMI
Total weight of top 15 holdings out of 15
32.91%
Top 15 holdings
Data as of July 31, 2026
IBMR
US13034A5B23
0.77%
US575829PH38
0.58%
New Jersey, 5% 1jun2029, USD
0.53%
Los Angeles Unified School District, 5% 1jul2029, USD (2026)
0.46%
New York Dormitory Authority, 2.5% 1jul1993, USD
0.40%
Houston, 5% 1jul2029, USD (2018B)
0.40%
Los Angeles Metropolitan Transportation Authority, 5% 1jul2029, USD (2017-A)
0.39%
Palm Beach School Board, 5% 1aug2029, USD (2018C)
0.36%
California, 5% 1oct2029, USD
0.35%
Pennsylvania, 5% 1apr2029, USD (2026)
0.34%
California, 5% 1sep2029, USD
0.34%
US18085PTF17
0.33%
US64972JVQ83
0.30%
Contra Costa Transportation Authority, 5% 1mar2029, USD (2018B)
0.30%
Escondido Union High School District, 0% 1aug2029, USD (2017D)
0.29%
MYMI
US97705MT888
3.34%
Alabama Public School and College Authority, 5% 1nov2029, USD (2020-A)
2.37%
US298245MR91
2.37%
US46256QPK66
2.36%
US68607V4W22
2.36%
US050195WC67
2.34%
State of Delaware, 5% 1feb2032, USD (2019A)
2.34%
New York Municipal Water Finance Authority, 5% 15jun2040, USD
2.31%
US181059R735
2.28%
Weld School District №6, 5% 1dec2032, USD
2.01%
West Virginia, 5% 1sep2029, USD
1.82%
Hamilton (OH), 5% 1dec2029, USD (2016A)
1.79%
State of Utah, 5% 1jul2029, USD (2020)
1.76%
US924166KS98
1.74%
US49126PGR55
1.73%
Frequently asked questions about IBMR and MYMI
How have the IBMR and MYMI ETFs performed in 2026?
As of September 1, 2026, IBMR is up 0.75% year-to-date (YTD), while MYMI has returned 0.94%. That puts MYMI better performer ahead so far this year.
Which ETF is attracting more investor money: IBMR or MYMI?
Year-to-date, the IBMR ETF saw +$108M in flows, compared to +$2M for MYMI.
Which ETF is more volatile: IBMR or MYMI?
Over the past year, IBMR had a volatility of 1.17%, while MYMI experienced 1.09%.
Which ETF is bigger: IBMR or MYMI?
As of September 1, 2026, IBMR holds $480.42 M in assets under management (AUM), while MYMI manages $14.65 M.
What sectors do the IBMR and MYMI ETFs invest in?
IBMR leans toward sectors like Municipal. Meanwhile, MYMI focuses on Municipal.
What are the top holdings of the IBMR ETF and MYMI ETF?
IBMR top holdings include US13034A5B23, US575829PH38 and New Jersey, 5% 1jun2029, USD. MYMI holds in its top three: US97705MT888, Alabama Public School and College Authority, 5% 1nov2029, USD (2020-A) and US298245MR91.
Which ETF is more diversified: IBMR or MYMI?
IBMR holds 1800 securities with 6.13% of its assets in the top 15. MYMI has 104 securities and a top 15 weight of 32.91%.
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