What are the top holdings of LMUB?

iShares Long-Term National Muni Bond ETF holds 1074 securities in total. The largest positions and their portfolio weights are listed on the Holdings tab.

How many holdings does LMUB have?

LMUB holds 1074 positions as reported by the fund's most recent disclosure.

What sectors does LMUB invest in?

iShares Long-Term National Muni Bond ETF (LMUB) allocates across the sectors shown above. The largest exposure tops the list; the rest follow in descending weight order.

What sector is LMUB most exposed to?

LMUB's full sector breakdown is on the Sectors tab. The largest sector weight is shown there along with the rest of the allocation.

Is LMUB a US-only fund?

The country allocation card on this page shows LMUB's geographic exposure. Funds with > 95% US weight are effectively US-only; international or global funds will show meaningful weights across multiple countries.

What does LMUB invest in?

The iShares Long-Term National Muni Bond ETF (LMUB) endeavors to match the returns of a particular market index. This benchmark exclusively holds high-quality, U.S.-issued municipal bonds. To be included, these bonds must possess remaining maturities of at least twelve years.

LMUB

iShares Long-Term National Muni Bond ETF

AMEX·Asset Management, Bonds · Financial Services

$48.07$0.03+0.06%

Oct 29 10:34 AM EDT

Portfolio as of May 31, 2026, from the fund's SEC Form N-PORT filing. Funds disclose holdings quarterly, with a ~60-day publication delay. Sector breakdowns aren't part of this filing, so none is shown.

Top Holdings

725

holdings

09248U841
BlackRock Liquidity Funds
5.05%
57582R4E3
Commonwealth of Massachusetts
0.85%
93974FGH0
State of Washington
0.70%
452153PC7
State of Illinois
0.65%
452153HP7
State of Illinois
0.65%
709225TV8
Pennsylvania Turnpike Commission
0.64%
882725DA9
State of Texas
0.63%
64972JPQ5
New York City Transitional Finance Authority Future Tax Secured
0.63%
678514EM8
Oklahoma Capitol Improvement Authority
0.63%
646039ZM2
State of New Jersey
0.61%
Other
715 more holdings
89.78%

Top 10 holdings

11.02%

Top 25 holdings

18.84%

Concentration index

0.0051

Effective holdings

194

Chart tools

Open Top Holdings in Chart Builder to fine-tune colors, labels, and timeframe, then download a high-res PNG.

All Holdings (725)

#	TickerHolding	Name	Weight	Shares	Market Value
1	09248U84109248U841BlackRock Liquidity Funds	BlackRock Liquidity Funds	5.05%	81.68M	$81.69M
2	57582R4E357582R4E3Commonwealth of Massachusetts	Commonwealth of Massachusetts	0.85%	13.30M	$13.76M
3	93974FGH093974FGH0State of Washington	State of Washington	0.70%	10.55M	$11.35M
4	452153PC7452153PC7State of Illinois	State of Illinois	0.65%	10.00M	$10.58M
5	452153HP7452153HP7State of Illinois	State of Illinois	0.65%	10.00M	$10.45M
6	709225TV8709225TV8Pennsylvania Turnpike Commission	Pennsylvania Turnpike Commission	0.64%	9.94M	$10.28M
7	882725DA9882725DA9State of Texas	State of Texas	0.63%	9.07M	$10.18M
8	64972JPQ564972JPQ5New York City Transitional Finance Authority Future Tax Secured	New York City Transitional Finance Authority Future Tax Secured	0.63%	9.69M	$10.15M
9	678514EM8678514EM8Oklahoma Capitol Improvement Authority	Oklahoma Capitol Improvement Authority	0.63%	9.46M	$10.14M
10	646039ZM2646039ZM2State of New Jersey	State of New Jersey	0.61%	9.31M	$9.87M
11	70914P5R970914P5R9Commonwealth of Pennsylvania	Commonwealth of Pennsylvania	0.61%	8.78M	$9.81M
12	1810598G41810598G4Clark County School District	Clark County School District	0.60%	8.77M	$9.79M
13	452153KD0452153KD0State of Illinois	State of Illinois	0.58%	10.00M	$9.39M
14	915130CX4915130CX4Permanent University Fund - University of Texas System	Permanent University Fund - University of Texas System	0.56%	7.50M	$8.99M
15	164555ET7164555ET7Arapahoe County School District No. 5 Cherry Creek	Arapahoe County School District No. 5 Cherry Creek	0.52%	7.65M	$8.48M
16	64985TGH864985TGH8Empire State Development Corp.	Empire State Development Corp.	0.52%	8.23M	$8.48M
17	592481QJ7592481QJ7Metropolitan St Louis Sewer District	Metropolitan St Louis Sewer District	0.50%	7.50M	$8.07M
18	625517PY7625517PY7Multnomah County School District No. 1J Portland	Multnomah County School District No. 1J Portland	0.50%	8.00M	$8.03M
19	812643C28812643C28City of Seattle	City of Seattle	0.50%	7.75M	$8.02M
20	64990AYB564990AYB5New York State Dormitory Authority	New York State Dormitory Authority	0.49%	7.77M	$8.01M

Showing 20 of 725

Sectors

The fund issuer's factsheet may carry this breakdown directly.

Countries

Domicile

United States · 100.80%

Asset Classes

Primary asset class

Fixed income

Strategy

Passive Index

Income strategy

Bond yield

Issuer-reported asset class: Fixed Income

Frequently Asked Questions About LMUB

What are the top holdings of LMUB?: iShares Long-Term National Muni Bond ETF holds 1074 securities in total. The largest positions and their portfolio weights are listed on the Holdings tab.
How many holdings does LMUB have?: LMUB holds 1074 positions as reported by the fund's most recent disclosure.
What sectors does LMUB invest in?: iShares Long-Term National Muni Bond ETF (LMUB) allocates across the sectors shown above. The largest exposure tops the list; the rest follow in descending weight order.
What sector is LMUB most exposed to?: LMUB's full sector breakdown is on the Sectors tab. The largest sector weight is shown there along with the rest of the allocation.
Is LMUB a US-only fund?: The country allocation card on this page shows LMUB's geographic exposure. Funds with > 95% US weight are effectively US-only; international or global funds will show meaningful weights across multiple countries.
What does LMUB invest in?: The iShares Long-Term National Muni Bond ETF (LMUB) endeavors to match the returns of a particular market index. This benchmark exclusively holds high-quality, U.S.-issued municipal bonds. To be included, these bonds must possess remaining maturities of at least twelve years.

TickerHolding

Name

Weight

Market Value

09248U84109248U841BlackRock Liquidity Funds

BlackRock Liquidity Funds

5.05%

81.68M

$81.69M

57582R4E357582R4E3Commonwealth of Massachusetts

Commonwealth of Massachusetts

0.85%

13.30M

$13.76M

93974FGH093974FGH0State of Washington

State of Washington

0.70%

10.55M

$11.35M

452153PC7452153PC7State of Illinois

State of Illinois

0.65%

10.00M

$10.58M

452153HP7452153HP7State of Illinois

State of Illinois

0.65%

10.00M

$10.45M

709225TV8709225TV8Pennsylvania Turnpike Commission

Pennsylvania Turnpike Commission

0.64%

9.94M

$10.28M

882725DA9882725DA9State of Texas

State of Texas

0.63%

9.07M

$10.18M

64972JPQ564972JPQ5New York City Transitional Finance Authority Future Tax Secured

New York City Transitional Finance Authority Future Tax Secured

0.63%

9.69M

$10.15M

678514EM8678514EM8Oklahoma Capitol Improvement Authority

Oklahoma Capitol Improvement Authority

0.63%

9.46M

$10.14M

646039ZM2646039ZM2State of New Jersey

State of New Jersey

0.61%

9.31M

$9.87M

70914P5R970914P5R9Commonwealth of Pennsylvania

Commonwealth of Pennsylvania

0.61%

8.78M

$9.81M

1810598G41810598G4Clark County School District

Clark County School District

0.60%

8.77M

$9.79M

452153KD0452153KD0State of Illinois

State of Illinois

0.58%

10.00M

$9.39M

915130CX4915130CX4Permanent University Fund - University of Texas System

Permanent University Fund - University of Texas System

0.56%

7.50M

$8.99M

164555ET7164555ET7Arapahoe County School District No. 5 Cherry Creek

Arapahoe County School District No. 5 Cherry Creek

0.52%

7.65M

$8.48M

64985TGH864985TGH8Empire State Development Corp.

Empire State Development Corp.

0.52%

8.23M

$8.48M

592481QJ7592481QJ7Metropolitan St Louis Sewer District

Metropolitan St Louis Sewer District

0.50%

7.50M

$8.07M

625517PY7625517PY7Multnomah County School District No. 1J Portland

Multnomah County School District No. 1J Portland

0.50%

8.00M

$8.03M

812643C28812643C28City of Seattle

City of Seattle

0.50%

7.75M

$8.02M

64990AYB564990AYB5New York State Dormitory Authority

New York State Dormitory Authority

0.49%

7.77M

$8.01M