iShares National Muni Bond ETF

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About MUB

MUB tracks a market-weighted index of investment-grade debt issued by state and local governments and agencies. Interest is exempt from US income tax and from AMT. 

Index-Tracked
ICE AMT-Free US National Muni TR USD
Index-TrackedICE AMT-Free US National Muni TR USD
Category
Muni National Interm
CategoryMuni National Interm
Number of holdings
7,592
Number of holdings7,592
Inception Date
Sep 7, 2007
Inception DateSep 7, 2007

What's in this fund

Top 10 Holdings (4.85% of total assets)

As of October 21, 2026
NameSymbol% Assets
BlackRock Liquidity MuniCash Instl—3.50%
New York City Of—0.27%
New York City Transitional Fin Aut—0.18%
UNIVERSITY TEX UNIV REVS 5%—0.16%
SAN ANTONIO TEX WTR REV 0.8%—0.13%
NORTHWEST TEX INDPT SCH DIST 5.25%—0.13%
NEW YORK ST TWY AUTH ST PERS INCOME TAX REV 5%—0.13%
OKLAHOMA TRANSN AUTH OK F/K/A OKLAHOMA ST TPK AUTH 5.5%—0.12%
TRIBOROUGH BRDG & TUNL AUTH N Y REVS 0.95%—0.12%
NEW JERSEY ST 5%—0.11%

MUB Key Statistics

AUM
52.92B
AUM52.92B
Price-Earnings ratio
—
Price-Earnings ratio—
30-Day yield
3.95
30-Day yield3.95
Average volume
17.20M
Average volume17.20M
High today
$103.45
High today$103.45
Low today
$103.19
Low today$103.19
Open price
$103.37
Open price$103.37
Volume
10.23M
Volume10.23M
52 Week high
$109.00
52 Week high$109.00
52 Week low
$100.07
52 Week low$100.07
Expense ratio
0.05
Expense ratio0.05

Stock Snapshot

With a market cap of 53.12B, iShares National Muni Bond ETF(MUB) trades at $103.44. currently yields dividends of 2.22%.

As of 2026-10-23, iShares National Muni Bond ETF(MUB) stock has fluctuated between $103.19 and $103.45. The current price stands at $103.44, placing the stock +0.2% above today's low and -0.0% off the high.

The iShares National Muni Bond ETF(MUB)'s current trading volume is 10.23M, compared to an average daily volume of 17.2M.

During the past year, iShares National Muni Bond ETF(MUB) stock moved between $100.07 at its lowest and $109.00 at its peak.

During the past year, iShares National Muni Bond ETF(MUB) stock moved between $100.07 at its lowest and $109.00 at its peak.

Average Annual Return

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All investments involve risks, including the loss of principal. Performance data represents past performance and is no guarantee of future results. Investment returns and principal value will fluctuate and are subject to market volatility. An investment, when redeemed, may be worth more or less than the original cost. Current performance may be lower or higher than the performance data quoted. Options are risky and aren’t suitable for all investors. To learn more about risks, read the Options Disclosure Document.