iShares National Muni Bond ETF (MUB) Price, Holdings, & News

ETF Overview

iShares National AMT-Free Muni Bond ETF (the Fund), formerly iShares S&P National AMT-Free Municipal Bond Fund, is an exchange-traded fund (ETF). The Fund seeks investment results that correspond generally to the price and yield performance of the S&P National AMT-Free Municipal Bond Index (the Index). The Index measures the performance of the investment-grade segment of the United States municipal bond market. The Fund invests in a representative sample of the securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. The Fund's investment advisor is BlackRock Fund Advisors (formerly known as Barclays Global Fund Advisors).

Key Stats

• Today's Range: $103.87 to $104.18
• 50-Day Range: $103.20 to $104.48
• 52-Week Range: $100.29 to $108.81
• Volume: 3.55 million shs
• Average Volume: 5.78 million shs
• Market Capitalization: $38.02 billion
• Assets Under Management: $38.79 billion
• Dividend Yield: 3.17%
• Net Expense Ratio: 0.05%
• Aggregate Rating: N/A

MUB ETF - Frequently Asked Questions

How have MUB shares performed this year?

iShares National Muni Bond ETF's stock was trading at $106.55 at the beginning of 2025. Since then, MUB stock has decreased by 2.4% and is now trading at $104.03.

Who are iShares National Muni Bond ETF's major shareholders?

Top institutional shareholders of iShares National Muni Bond ETF include Envestnet Asset Management Inc. (5.57%), US Bancorp DE (2.01%), Bank of New York Mellon Corp (1.99%) and Wealthfront Advisers LLC (1.48%).

How do I buy shares of iShares National Muni Bond ETF?

Shares of MUB stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services.

What other stocks do shareholders of iShares National Muni Bond ETF own?

Based on aggregate information from My MarketBeat watchlists, some other companies that iShares National Muni Bond ETF investors own include The RMR Group (RMR), Waste Connections (WCN), American Water Works (AWK), DiamondRock Hospitality (DRH), iShares Micro-Cap ETF (IWC), AU Optronics (AUOTY) and Voyager Therapeutics (VYGR).

Fund Details

• Issuer: iShares
• Fund Name: iShares National Muni Bond ETF
• Tax Classification: Regulated Investment Company
• Stock Exchange: NYSEARCA
• Current Symbol: NYSEARCA:MUB
• Inception Date: 9/7/2007
• Fund Manager: James Mauro, Scott Radell
• Previous Symbol: NYSE:MUB
• Web: www.ishares.com
• Phone: +1-800-4742737

Fund Focus

• Asset Class: Fixed Income
• Benchmark: ICE AMT-Free US National Municipal Index
• Category: Municipals
• Focus: Broad Municipals
• Development Level: Developed Markets
• Region: North America
• Number of Holdings: 5803

Fund Statistics

• Assets Under Management: $38.79 billion
• Average Daily Volume: $5.96 million
• Discount/Premium: 0.10%

Administrator, Advisor and Custodian

• Administrator: State Street Bank and Trust Company
• Advisor: BlackRock Fund Advisors
• Custodian: State Street Bank and Trust Company
• Distributor: BlackRock Investments, LLC
• Transfer Agent: State Street Bank and Trust Company
• Trustee: N/A
• Lead Market Maker: Jane Street

Options

• Optionable: Optionable
• Options Volume: 95
• Put Options: 34
• Call Options: 61
• Short Interest: 6,210,000 shs

Miscellaneous

• Outstanding Shares: 365,500,000
• Beta: 0.11
• Creation Unit: 100,000
• Creation Fee: $400.00