IBMRvsMUNXETF Comparison
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iShares iBonds Dec 2029 Term Muni Bond ETF (IBMR) and AMG GW&K Muni Income ETF (MUNX) belong to the same industry segment: Municipal Bonds. IBMR's top 2 sector exposures are Municipal and Non-Corporate. In contrast, MUNX's top sector exposures are Municipal. IBMR is less expensive with a Total Expense Ratio (TER) of 0.1%, versus 0.29% for MUNX. IBMR is up 0.09% year-to-date (YTD) with +$139M in YTD flows. MUNX performs worse with -2.28% YTD performance, and +$9M in YTD flows. Run a side-by-side ETF comparison of IBMR and MUNX 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 MUNX 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 MUNX | -0.03%-0.34% | -0.73%-4.04% | +0.09%-2.28% | +0.54%n/a | +12.70%n/a | n/an/a |
| Flows | IBMR MUNX | +$22M-$929K | +$50M-$929K | +$139M+$9M | +$213M- | +$506M- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBMR MUNX | +2.33%+5.91% | +1.50%n/a | +2.41%n/a | n/an/a |
| Max drawdown | IBMR MUNX | -2.47%-6.57% | -2.75%n/a | -2.98%n/a | n/an/a |
| Max drawdown duration | IBMR MUNX | 52d92d | 232dn/a | 212dn/a | n/an/a |
Trading data
IBMR | MUNX | |
Last sale 10/16/2026 at 1:30 PM | $24.96 | $23.74 |
| Previous close 10/15/2026 | $24.93 | $23.73 |
| 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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MUNX
is actively managed and doesn’t replicate an indexIBMR | MUNX | |
|---|---|---|
| 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 | MUNX | |
|---|---|---|
| Last price | $24.96 | $23.74 |
| 1D performance | +0.12% | +0.02% |
| AuM | $507.40 M | $18.03 M |
| E/R | 0.1% | 0.29% |
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Exposure
Countries
IBMR
USA
51.44%
Other
48.56%
MUNX
USA
47.36%
Other
52.64%
Sectors
IBMR
Municipal
50.4%
Other
49.6%
MUNX
Municipal
47.36%
Other
52.64%
Diversification
IBMR
Total weight of top 15 holdings out of 15
6.71%
MUNX
Total weight of top 15 holdings out of 15
31.79%
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%
MUNX
Commonwealth Financing Authority, 4% 1jun2039, USD (2018)
3.05%
US70868YAL39
2.60%
US03843TBQ31
2.24%
Houston, 5% 1sep2038, USD (2026C)
2.18%
US717823Y444
2.17%
New York Transportation Development Corp., 6% 30jun2055, USD (2025)
2.14%
US65889BEL45
2.13%
US46613SGA24
2.07%
Massachusetts Development Finance Agency, 5.5% 1oct2044, USD (2026A)
2.00%
Texas Private Activity Bond Surface Transportation Corp., 5% 30jun2058, USD (2019)
1.98%
US74448EAA29
1.91%
New York Urban Development Corp., 4% 31oct2034, USD (2021)
1.90%
New York Transportation Development Corp., 5% 1oct2040, USD (2020)
1.81%
US84136HCT86
1.81%
US1675937J52
1.80%
Frequently asked questions about IBMR and MUNX
How have the IBMR and MUNX ETFs performed in 2026?
As of October 16, 2026, IBMR is up 0.09% year-to-date (YTD), while MUNX has lost -2.28%. That puts IBMR better performer ahead so far this year.
Which ETF is attracting more investor money: IBMR or MUNX?
Year-to-date, the IBMR ETF saw +$139M in flows, compared to +$9M for MUNX.
Which ETF is bigger: IBMR or MUNX?
As of October 16, 2026, IBMR holds $507.40 M in assets under management (AUM), while MUNX manages $18.03 M.
What sectors do the IBMR and MUNX ETFs invest in?
IBMR leans toward sectors like Municipal. Meanwhile, MUNX focuses on Municipal.
What are the top holdings of the IBMR ETF and MUNX ETF?
IBMR top holdings include BlackRock Liquidity MuniCash, US13034A5B23 and US575829PH38. MUNX holds in its top three: Commonwealth Financing Authority, 4% 1jun2039, USD (2018), US70868YAL39 and US03843TBQ31.
Which ETF is more diversified: IBMR or MUNX?
IBMR holds 1822 securities with 6.71% of its assets in the top 15. MUNX has 73 securities and a top 15 weight of 31.79%.
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