iShares National Muni Bond ETF (MUB)
BlackRock / iShares
- Page updated:
- Sep 7, 2026
- Data as of:
- Sep 4, 2026
Fund identity
- Ticker
- MUB
- Fund name
- iShares National Muni Bond ETF
- Fund type
- ETF
- Listing venue
- NYSE Arca
- Currency
- USD
- Domicile
- US
- Inception
- Sep 7, 2007
Structure and strategy
- Sponsor
- BlackRock / iShares
- Management approach
- Passive
- Strategy
- Tracks investment-grade U.S. municipal bonds and is designed to provide broad national municipal-market exposure.
- Portfolio scope
- Investment-grade U.S. municipal bonds
- Portfolio implementation
- Index tracking
- Benchmark
- ICE AMT-Free US National Municipal Index
- Benchmark symbol
- MNAF
- Asset class
- Fixed Income
- Category
- National Municipal Bond
Costs and minimums
- Net expense ratio
- 0.05%
- Expense ratio
- 0.05%
- Ongoing fee as of
- Sep 7, 2026
Size and distributions
- Assets under management
- $45.23B
- Assets under management scope
- Fund
- Trailing 12-month yield
- 3.29%
- SEC 30-day yield
- 3.62%
- Distribution frequency
- Monthly
Sources
- iShares National Muni Bond ETF — issuer product page — BlackRock / iShares · data as of Sep 7, 2026
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ROIStreet publishes this reference data for education and research. Figures are as of the dates shown, are not real-time quotes, and are not investment advice. Verify details with the issuer or provider before acting.