Which returned more over the last year, LMUB or MUB?

In the year to Oct 9, 2026, with distributions reinvested, LMUB returned −3.7% and MUB −2.0%.

Which is cheaper, LMUB or MUB?

MUB is cheaper, by 0.04 percentage points a year. That is about $4 on $10,000 held for a year. Fees come from each fund's prospectus.

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LMUB vs MUB: Differences, Returns & Fees

On May 31, 2026 LMUB's duration was 9.8 years and MUB's 6.3; MUB charges 0.05% to LMUB's 0.09%. Net assets on Oct 9, 2026: $1.6bn for iShares Long-Term National Muni Bond ETF and $48.9bn for iShares National Muni Bond ETF.

MUB costs 0.04 points a year less; their one-year returns differ by 1.7 points; MUB is far larger, $48.9bn against $1.6bn.

	LMUB	MUB
Expense ratio	0.09%	0.05%
Net assets	$1.6bn	$48.9bn
Total return, 1 year	−3.7%	−2.0%
What it tracks	ICE Long AMT-Free US National Municipal Index	ICE AMT-Free US National Municipal Index
Holdings in common	4%
Below its high	8.4%, high on Jul 2, 2026	5.3%, high on Jul 6, 2026

Holdings in common uses holdings dated May 31, 2026.

−3.7%

LMUB total return, 1 year

−2.0%

MUB total return, 1 year

0.09%

LMUB expense ratio

0.05%

MUB expense ratio

What they hold in common

By the books each fund has filed, LMUB and MUB hold 4% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated May 31, 2026.

50%

half

4% in common

Positions both hold, largest shared weight first

Holding LMUB MUB

City of Chicago, Series 2024A, due Jan 1, 2045 0.16% 0.10%

Empire State Development Corp., Series 2020A, due Mar 15, 2049 0.29% 0.09%

City of Los Angeles Department of Airports, Series 2025D, due May 15, 2051 0.11% 0.08%

New York State Dormitory Authority, Series 2024A, due Jul 1, 2054 0.12% 0.08%

Commonwealth of Massachusetts, Series 2021D, due Sep 1, 2051 0.25% 0.07%

California State Public Works Board, Series 2024A, due Apr 1, 2049 0.26% 0.07%

State of Michigan Trunk Line, Series 2020B, due Nov 15, 2045 0.16% 0.06%

Monroe County Industrial Development Corp., Series 2020A, due Jul 1, 2050 0.17% 0.06%

New Jersey Transportation Trust Fund Authority, Series 2024AA, due Jun 15, 2042 0.28% 0.06%

Oklahoma Turnpike Authority, Series 2025A, due Jan 1, 2054 0.28% 0.06%

Port Authority of Houston of Harris County Texas, Series 2023, due Oct 1, 2053 0.19% 0.06%

City of San Antonio Electric & Gas Systems, Series 2026A, due Feb 1, 2039 0.42% 0.05%

Only in LMUB

Commonwealth of Massachusetts, Series 2023D, due Oct 1, 2052 0.85%

State of Washington, Series 2026D, due Jun 1, 2046 0.70%

State of Illinois, Series 2025-E11, due Sep 1, 2042 0.65%

State of Illinois, Series 2023C, due Dec 1, 2043 0.65%

Oklahoma Capitol Improvement Authority, Series 2025A, due Jul 1, 2050 0.63%

State of New Jersey, due Jun 1, 2040 0.61%

Commonwealth of Pennsylvania, Series 2026, due Apr 1, 2041 0.61%

Clark County School District, Series 2026A, due Jun 15, 2040 0.60%

Only in MUB

Board of Regents of the University of Texas System, Series 2025B, due Aug 15, 2036 0.19%

New York State Thruway Authority, Series 2022A, due Mar 15, 2048 0.15%

San Antonio Water System, Series 2025D, due May 1, 2055 0.14%

Triborough Bridge & Tunnel Authority, Series 2005B-2, due Jan 1, 2032 0.14%

New York City Transitional Finance Authority Future Tax Secured, Series 2019C-4, due Nov 1, 2044 0.13%

New York State Dormitory Authority, Series 2019D, due Feb 15, 2047 0.13%

Ohio State University (The), Series 2026A, due Jun 1, 2035 0.13%

Houston Higher Education Finance Corp., Series 2024, due May 15, 2034 0.13%

Check overlap with more funds →

On the same fields

LMUB

iShares Long-Term National Muni Bond ETF

MUB

iShares National Muni Bond ETF

Where it sits Bond ETF Bond ETF

Issuer iShares iShares

What it is Tracks an index Tracks an index of National Muni Bond

Total return, 1 year −3.7% −2.0%

S&P 500 over the same days +17.3% +17.3%

Gap to the S&P 500 −20.9 pts −19.3 pts

Expense ratio 0.09% 0.05%

Holdings 975 7448

Net assets $1.6bn $48.9bn

LMUB and MUB on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.

LMUB in plain words

LMUB tracks an index. Over the year to Oct 9, 2026 it returned −3.7% with distributions reinvested. The prospectus expense ratio is 0.09% a year. It sat 8.4% below its high of Jul 2, 2026 on Oct 9, 2026.

MUB in plain words

MUB tracks an index of National Muni Bond. Over the year to Oct 9, 2026 it returned −2.0% with distributions reinvested. The prospectus expense ratio is 0.05% a year. It sat 5.3% below its high of Jul 6, 2026 on Oct 9, 2026.

Questions people ask

Which returned more over the last year, LMUB or MUB?: In the year to Oct 9, 2026, with distributions reinvested, LMUB returned −3.7% and MUB −2.0%.
Which is cheaper, LMUB or MUB?: MUB is cheaper, by 0.04 percentage points a year. That is about $4 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

LMUB vs VTEB LMUB vs PZA LMUB vs SCMB LMUB vs TFI MUB vs VCRM MUB vs TAFM MUB vs TFI MUB vs SCMB

LMUB on its own →MUB on its own →Hold both: look the portfolio through →Rankings →Standards and sources →

Where these figures came from

LMUB and MUB filings on SEC EDGAR ↗LMUB and MUB prospectus with the expense ratio (SEC) ↗iShares page for LMUB ↗iShares page for MUB ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

ETFIQ, LMUB against MUB, data as of Oct 9, 2026. https://etfiq.com/compare/any/lmub-vs-mub

Open data

Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms.