MUB ETF

$101.65

AUM$49.8B

TER0.05%

Holdings6,825

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MUB ETF

$101.65

iShares National Muni Bond ETF

AUM$49.8B

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 4.3% of its assets in its 10 largest positions as of Oct 1, 2026. MUB is iShares National Muni Bond ETF.

Showing the top 10 of 7,303 holdings · as of Oct 1, 2026

Top 10 weight

4.29%

MUB top 10 holdings, by weight
#	Ticker	Name	Weight	Cumulative	Mkt value	Sector	Industry
1	MCSXX	Blackrock Liquidity Municash InstlFinancials · Capital Markets	3.21%	3.2%	$1.54B	Financials	Capital Markets
2	—	San Antonio Tex Wtr Rev 1.15% May 01, 2055	0.15%	3.4%	$69.75M	-	-
Sector and industry · Pro
3	—	Triborough Brdg & Tunl Auth Ny 2.85% Jan 01, 2035	0.13%	3.5%	$62.13M
4	Debt	State Of New Jersey	0.12%	3.6%	$56.19M
5	Debt	Northwest Independent School District	0.12%	3.7%	$55.38M
6	Debt	Houston Higher Education Finance Corp	0.12%	3.9%	$55.31M
7	—	Illinois St Regd N/c B/e 5.00000000	0.11%	4.0%	$50.99M
8	—	King Cnty Wash Swr Rev 2.4% Jan 01, 2042	0.11%	4.1%	$50.87M
9	Debt	Ohio State University/The	0.11%	4.2%	$54.69M
10	Debt	Garland Texas (city Of)	0.11%	4.3%	$52.00M
More holdings · Pro

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Themes in the top 10

Asset ManagementMarket InfrastructureInfrastructureUrbanizationSocial ImpactGovernance & EthicsLending & CreditInterest RatesMillennials & Gen Z

MUB ETF Top Holdings

MUB holdings top 10 positions. The top 10 holdings account for 4.3% of the fund, led by Blackrock Liquidity Municash Instl at 3.2%, San Antonio Tex Wtr Rev 1.15% May 01, 2055 at 0.1%, Triborough Brdg & Tunl Auth Ny 2.85% Jan 01, 2035 at 0.1%.

MUB portfolio concentration is well-diversified, with the top 10 representing 4.3% of total assets. The largest sector exposure is Financials at 23.2%.

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	MCSXX	Blackrock Liquidity Municash Instl	Financials	3.21%
2	-	San Antonio Tex Wtr Rev 1.15% May 01, 2055	Other	0.15%
3	NY TRBTRN 01/01/2035	Triborough Brdg & Tunl Auth Ny 2.85% Jan 01, 2035	Industrials	0.13%
4	NJ NJS 5 06/01/2028	State Of New Jersey 5 06/01/2028	Financials	0.12%
5	TX NWTSCD 5.25 02/15	Northwest Independent School District 5.25 02/15/2055	Consumer Discretionary	0.12%
6	TX HOUHGR 5 05/15/20	Houston Higher Education Finance Corp 5 05/15/2034	Consumer Discretionary	0.12%
7	IL ILS 5 11/01/2027	Illinois St Regd N/c B/e 5.00000000	Financials	0.11%
8	WA KINUTL 01/01/2042	King Cnty Wash Swr Rev 2.4% Jan 01, 2042	Industrials	0.11%
9	-	Ohio State University/The 5 06/01/2035	Other	0.11%
10	-	GARLAND TEXAS (CITY OF) 5 03/01/2041	Other	0.11%

MUB ETF

MUB ETF Top Holdings

Compare MUB

Holdings Distribution