MUB ETF

$101.02

AUM$45.7B

TER0.05%

Holdings6,825

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MUB ETF

$101.02

iShares National Muni Bond ETF

AUM$45.7B

TER0.05%

Holdings6,825

See how much of MUB you already own

Just $25 once·$99/mo·Download sample

X-ray my portfolio free

Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

MUB holds 1.2% of its assets in its 10 largest positions as of Sep 11, 2026. MUB is iShares National Muni Bond ETF.

Showing the top 10 of 7,026 holdings · as of Sep 11, 2026

Top 10 weight

1.23%

MUB top 10 holdings, by weight
#	Ticker	Name	Weight	Cumulative	Mkt value	Sector	Industry
1	—	San Antonio Tex Wtr Rev 1.15% May 01, 2055	0.16%	0.2%	$69.80M	-	-
2	Debt	Northwest Independent School DistrictConsumer Disc. · Diversified Consumer Services	0.13%	0.3%	$55.94M	Consumer Disc.	Diversified Consumer Services
Sector and industry · Pro
3	Debt	State Of New Jersey	0.13%	0.4%	$56.49M
4	Debt	Ohio State University/The	0.12%	0.5%	$55.09M
5	Debt	Houston Higher Education Finance Corp	0.12%	0.7%	$55.65M
6	Debt	Illinois St	0.12%	0.8%	$51.39M
7	—	Washington St 4% Jul 01, 2029	0.12%	0.9%	$55.07M
8	Debt	Garland Texas (city Of)	0.11%	1.0%	$50.03M
9	—	Seattle Wash Mun Lt & Pwr Rev 1.25% Nov 01, 2046	0.11%	1.1%	$49.44M
10	—	Houston Tex Util Sys Rev 2.4% May 15, 2034	0.11%	1.2%	$50.03M
More holdings · Pro

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Themes in the top 10

InfrastructureSocial ImpactUrbanizationMillennials & Gen ZGovernance & EthicsLending & CreditInterest RatesEnergy SecurityClean EnergyEnergy Transition

MUB ETF Top Holdings

MUB holdings top 10 positions. The top 10 holdings account for 1.2% of the fund, led by San Antonio Tex Wtr Rev 1.15% May 01, 2055 at 0.2%, Northwest Independent School District 5.25 02/15/2055 at 0.1%, State Of New Jersey 5 06/01/2028 at 0.1%.

MUB portfolio concentration is well-diversified, with the top 10 representing 1.2% of total assets. The largest sector exposure is Financials at 21.4%.

MUB sectors provide a detailed breakdown. MUB overlap shows how holdings compare to other funds in your portfolio.

Compare MUB

MUB vs SPY MUB vs QQQ MUB vs VOO MUB vs VTI MUB vs IVV MUB vs SCHD MUB vs VYM MUB vs VXUS

#	Ticker	Name	Industry	Weight
1	-	San Antonio Tex Wtr Rev 1.15% May 01, 2055	Other	0.16%
2	TX NWTSCD 5.25 02/15	Northwest Independent School District 5.25 02/15/2055	Consumer Discretionary	0.13%
3	NJ NJS 5 06/01/2028	State Of New Jersey 5 06/01/2028	Financials	0.13%
4	-	Ohio State University/The 5 06/01/2035	Other	0.12%
5	TX HOUHGR 5 05/15/20	Houston Higher Education Finance Corp 5 05/15/2034	Consumer Discretionary	0.12%
6	IL ILS 5 11/01/2027	Illinois St 5 11/01/2027	Financials	0.12%
7	WA WAS 4 07/01/2029	Washington St 4% Jul 01, 2029	Real Estate	0.12%
8	-	GARLAND TEXAS (CITY OF) 5 03/01/2041	Other	0.11%
9	WA SEAPWR 11/01/2046	Seattle Wash Mun Lt & Pwr Rev 1.25% Nov 01, 2046	Financials	0.11%
10	TX HOUUTL 05/15/2034	Houston Tex Util Sys Rev 2.4% May 15, 2034	Utilities	0.11%

MUB ETF

MUB ETF Top Holdings

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Holdings Distribution