iSharesMuni National IntermediateMUB · NYSE Arca

iShares National Muni Bond ETF (MUB)

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Price: $104.18; —30 Oct 2026
Assets: $46.6B; Total net assets
Expense ratio: 0.05%; Category 0.62%
Yield: 3.40%; Trailing distributions

1Y return: 0.2%-0.2%; Category 0.4%
3Y CAGR: 4.2%-0.3%; Category 4.5%
5Y CAGR: 0.6%-0.2%; Category 0.8%

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iShares National Muni Bond ETF

Calendar-year returns

Fund only: no comparison series covers this fund's history.

Risk statistics

Five years of daily closes. Risk-free rate 4% a year.

Standard deviation: —
Maximum drawdown: —
Sharpe ratio: —
Sortino ratio: —
Beta: —
Alpha: —
R²: —
Information ratio: —
Upside capture: —
Downside capture: —
Tracking error: —

Trailing returns compared with benchmark
Period	1M	3M	6M	YTD	1Y	3YCAGR	5YCAGR	10YCAGR	LaunchCAGR
ETF	+3.3%	-0.6%	-1.1%	-0.4%	+0.2%	+4.2%	+0.6%	+1.9%	+3.0%
Muni National Intermediate average	3.4%	-0.5%	-0.9%	-0.1%	0.4%	4.5%	0.8%	1.9%	2.1%
Difference	-0.1%	0.0%	-0.2%	-0.3%	-0.2%	-0.3%	-0.2%	-0.1%	+0.9%

Holdings

The 1 largest positions make up 2.4% of the fund.

Top holdings

Largest holdings by weight
Ticker	Holding	Weight
MCSXX	BlackRock Liquidity MuniCash Instl	2.35%

Credit quality

Share of the bonds by rating.

AAA21.8%
AA61.3%
A15.9%
BBB0.9%
Other0.1%

Asset mix

Bonds97.3%
Cash2.7%

ETF details

Issuer: iShares
Category: Fixed Income · Muni National Intermediate
Ticker: MUB
Exchange: NYSE Arca
Inception: 7 Sept 2007 (19.1 years)
Structure: Exchange Traded Fund
Expense ratio: 0.05% (category 0.62%)
Holdings turnover: 11% (category 43%)
Distribution yield: 3.40%
Beta, 3 years: 0.90
Total net assets: $46.6B
Average duration: 4.76 years
Average maturity: 9.81 years

Prices and returns as of 30 Oct 2026; total return with distributions reinvested, before brokerage and taxes. Not investment advice.

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