LMUBvsMUBETF Comparison
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iShares Long-Term National Muni Bond ETF (LMUB) and iShares National Muni Bond ETF (MUB) belong to the same industry segment: Municipal Bonds. Both ETFs have the same top 2 sector exposures: Municipal and Non-Corporate. LMUB is more expensive with a Total Expense Ratio (TER) of 0.09%, versus 0.05% for MUB. LMUB is down -3.54% year-to-date (YTD) with +$1.75B in YTD flows. MUB performs better with -2.03% YTD performance, and +$11.48B in YTD flows. Run a side-by-side ETF comparison of LMUB and MUB 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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LMUB vs MUB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | LMUB MUB | -0.62%-0.14% | -5.55%-3.29% | -3.54%-2.03% | -3.10%-1.45% | n/a+6.25% | n/a-2.01% |
| Flows | LMUB MUB | -$139M+$6.47B | +$76M+$7.36B | +$1.75B+$11.48B | +$1.75B+$13.13B | -+$16.57B | -+$30.97B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | LMUB MUB | +7.05%+5.07% | +4.52%+3.19% | n/a+3.67% | n/a+3.58% |
| Max drawdown | LMUB MUB | -8.31%-5.73% | -9.29%-6.40% | n/a-6.40% | n/a-11.55% |
| Max drawdown duration | LMUB MUB | 92d92d | 102d102d | n/a102d | n/a1488d |
Trading data
LMUB | MUB | |
Last sale 10/16/2026 at 1:30 PM | $47.31 | $102.35 |
| Previous close 10/15/2026 | $47.28 | $102.48 |
| 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 October 19, 2026
1-year trailing difference
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LMUB | MUB | |
|---|---|---|
| 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
LMUB | MUB | |
|---|---|---|
| Last price | $47.31 | $102.35 |
| 1D performance | +0.06% | -0.13% |
| AuM | $1.67 B | $51.05 B |
| E/R | 0.09% | 0.05% |
Characteristics
LMUB | MUB | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | iShares |
| Benchmark | ICE Long AMT-Free US National Municipal Index | ICE AMT-Free US National Municipal Index |
| N° of holdings | 408 | 3823 |
| Asset class | - | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | March 17, 2025 | September 7, 2007 |
| ESG | No | No |
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Exposure
Countries
LMUB
USA
56.44%
Other
43.56%
MUB
USA
56.95%
Other
43.05%
Sectors
LMUB
Municipal
53.58%
Other
46.42%
MUB
Municipal
56.94%
Other
43.06%
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Diversification
LMUB
Total weight of top 15 holdings out of 15
10.72%
MUB
Total weight of top 15 holdings out of 15
1.93%
Top 15 holdings
Data as of August 31, 2026
LMUB
BlackRock Liquidity MuniCash
2.86%
Massachusetts, 5% 1oct2052, USD (2023)
0.86%
US64972JPQ57
0.63%
Oklahoma Capitol Improvement Authority, 5.25% 1jul2050, USD (2025A)
0.63%
US646039ZM26
0.61%
US70914P5R91
0.60%
US882725DA91
0.56%
US452153HP77
0.55%
US64985TGH86
0.53%
US452153PC72
0.52%
US812643C289
0.50%
Triborough Bridge and Tunnel Authority, 5% 15nov2041, USD (2026A-1)
0.48%
City of New York, 5.25% 1feb2050, USD (2025)
0.47%
US882270XW66
0.46%
Clark School District, 5% 15jun2040, USD (2026A)
0.46%
MUB
University of Texas, 5% 15aug2036, USD (2025B)
0.19%
US79642GTU66
0.15%
US650028ZA41
0.15%
New York Dormitory Authority, 4% 15feb2047, USD (2019D)
0.13%
Houston Higher Education Finance Corp., 5% 15may2034, USD (2024)
0.13%
New Jersey, 5% 1jun2028, USD
0.13%
Northwest Independent School District, 5.25% 15feb2055, USD (2025)
0.13%
Ohio State University, 5% 1jun2035, USD (2026)
0.12%
California, 5% 1sep2031, USD
0.12%
US93974EVY93
0.12%
Illinois, 5% 1nov2027, USD (2017D)
0.11%
East AWP Joint Powers Authority, 3.125% 1sep2026, USD (2024A)
0.11%
Chicago Transit Authority, 5% 1dec2049, USD (2024A)
0.11%
US812643ZK32
0.11%
US89602RPH20
0.11%
Frequently asked questions about LMUB and MUB
How have the LMUB and MUB ETFs performed in 2026?
As of October 16, 2026, LMUB is down -3.54% year-to-date (YTD), while MUB has lost -2.03%. That puts MUB better performer ahead so far this year.
Which ETF is attracting more investor money: LMUB or MUB?
Year-to-date, the LMUB ETF saw +$1.75B in flows, compared to +$11.48B for MUB.
Which ETF is more volatile: LMUB or MUB?
Over the past year, LMUB had a volatility of 4.52%, while MUB experienced 3.19%.
Which ETF is bigger: LMUB or MUB?
As of October 16, 2026, LMUB holds $1.67 B in assets under management (AUM), while MUB manages $51.05 B.
What sectors do the LMUB and MUB ETFs invest in?
LMUB leans toward sectors like Municipal. Meanwhile, MUB focuses on Municipal.
What are the top holdings of the LMUB ETF and MUB ETF?
LMUB top holdings include BlackRock Liquidity MuniCash, Massachusetts, 5% 1oct2052, USD (2023) and US64972JPQ57. MUB holds in its top three: University of Texas, 5% 15aug2036, USD (2025B), US79642GTU66 and US650028ZA41.
Which ETF is more diversified: LMUB or MUB?
LMUB holds 804 securities with 10.72% of its assets in the top 15. MUB has 6873 securities and a top 15 weight of 1.93%.
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Latest news about LMUB & MUB
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Investing in Municipal Bond ETFs
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