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 0.09% year-to-date (YTD) with +$139M in YTD flows. MYMI performs worse with 0.03% 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 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBMR MYMI | -0.03%-0.13% | -0.73%-1.16% | +0.09%+0.03% | +0.54%+0.64% | +12.70%n/a | n/an/a |
| Flows | IBMR MYMI | +$22M- | +$50M+$1M | +$139M+$2M | +$213M+$2M | +$506M- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBMR MYMI | +2.33%+2.72% | +1.50%+1.62% | +2.41%n/a | n/an/a |
| Max drawdown | IBMR MYMI | -2.47%-2.88% | -2.75%-2.98% | -2.98%n/a | n/an/a |
| Max drawdown duration | IBMR MYMI | 52d64d | 232d102d | 212dn/a | n/an/a |
Trading data
IBMR | MYMI | |
Last sale 10/16/2026 at 1:30 PM | $24.96 | $24.00 |
| Previous close 10/15/2026 | $24.93 | $23.99 |
| Consolidated volume 10/15/2026 | ||
| 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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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 10/16/2026 at 1:30 PM
Live
Closed
IBMR | MYMI | |
|---|---|---|
| Last price | $24.96 | $24.00 |
| 1D performance | +0.12% | +0.04% |
| AuM | $507.40 M | $14.48 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 | 62 |
| 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
51.44%
Other
48.56%
MYMI
USA
49.73%
Other
50.27%
Sectors
IBMR
Municipal
50.4%
Other
49.6%
MYMI
Municipal
49.73%
Other
50.27%
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Diversification
IBMR
Total weight of top 15 holdings out of 15
6.71%
MYMI
Total weight of top 15 holdings out of 15
30.43%
Top 15 holdings
Data as of August 31, 2026
IBMR
BlackRock Liquidity MuniCash
1.04%
US13034A5B23
0.74%
US575829PH38
0.55%
New Jersey, 5% 1jun2029, USD
0.52%
Los Angeles Unified School District, 5% 1jul2029, USD (2026)
0.45%
New York Dormitory Authority, 2.5% 1jul1993, USD
0.39%
Houston, 5% 1jul2029, USD (2018B)
0.38%
Los Angeles Metropolitan Transportation Authority, 5% 1jul2029, USD (2017-A)
0.38%
California, 5% 1oct2029, USD
0.34%
Palm Beach School Board, 5% 1aug2029, USD (2018C)
0.34%
US18085PTF17
0.33%
Pennsylvania, 5% 1apr2029, USD (2026)
0.33%
California, 5% 1sep2029, USD
0.33%
US13063EUP95
0.31%
Contra Costa Transportation Authority, 5% 1mar2029, USD (2018B)
0.29%
MYMI
US97705MT888
3.06%
Alabama Public School and College Authority, 5% 1nov2029, USD (2020-A)
2.18%
US298245MR91
2.17%
US46256QPK66
2.16%
US68607V4W22
2.16%
US050195WC67
2.14%
State of Delaware, 5% 1feb2032, USD (2019A)
2.14%
Weld School District №6, 5% 1dec2032, USD
2.13%
New York Municipal Water Finance Authority, 5% 15jun2040, USD
2.12%
US181059R735
2.09%
West Virginia, 5% 1sep2029, USD
1.67%
Hamilton (OH), 5% 1dec2029, USD (2016A)
1.64%
State of Utah, 5% 1jul2029, USD (2020)
1.61%
US924166KS98
1.59%
US49126PGR55
1.58%
Frequently asked questions about IBMR and MYMI
How have the IBMR and MYMI ETFs performed in 2026?
As of October 16, 2026, IBMR is up 0.09% year-to-date (YTD), while MYMI has returned 0.03%. That puts IBMR better performer ahead so far this year.
Which ETF is attracting more investor money: IBMR or MYMI?
Year-to-date, the IBMR ETF saw +$139M in flows, compared to +$2M for MYMI.
Which ETF is more volatile: IBMR or MYMI?
Over the past year, IBMR had a volatility of 1.5%, while MYMI experienced 1.62%.
Which ETF is bigger: IBMR or MYMI?
As of October 16, 2026, IBMR holds $507.40 M in assets under management (AUM), while MYMI manages $14.48 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 BlackRock Liquidity MuniCash, US13034A5B23 and US575829PH38. 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 1822 securities with 6.71% of its assets in the top 15. MYMI has 111 securities and a top 15 weight of 30.43%.
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