iShares National Muni Bond ETF MUB
Last price
102.35
USD
Change: Up +0.01
Percent change: Up +0.01%
Source: Yahoo Finance (opens in a new tab) Observed · 1 day ago Quotes may be delayed
- Net expense ratio
- 0.05%
- Net assets
- $45.0B
- Holdings
- 6,654
- 12-month distribution yield
- 3.34%
- Asset class
- Fixed income
iShares National Muni Bond ETF (MUB) is an exchange-traded fund listed on NYSE Arca in the United States, issued by iShares. Its category is Fixed income · US (fixed income). Its last price was US$102.35 on 20 Oct 2026. Its net expense ratio is 0.05% a year, from its prospectus dated 29 Jun 2026. It reported net assets of US$44.95 billion as of 31 May 2026. Its latest holdings report lists 6,654 holdings as of 31 May 2026. Over the last 12 months it paid distributions of US$3.41 a unit, a 12-month distribution yield of 3.34%, paid monthly.
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Fees
- Total annual operating expenses (gross)
- 0.05%
- Net, after fee waivers or reimbursements
- 0.05%
- Management fee
- 0.05%
- Prospectus date
- 29 Jun 2026
- Filed with the SEC
- 18 Jun 2026
Size and reporting
- Net assets
- $44,950,077,434
- Total assets
- $45,307,625,516
- Holdings as of
- 31 May 2026
- Report made public
- 24 Jul 2026 (54 days after the month end)
Top holdings
Largest 25 of 6,654 positions, as of 31 May 2026. Weight is the percent of net assets the fund reported.
| # | Holding | Identifier | Weight | Value (USD) | Type | Country | Currency |
|---|---|---|---|---|---|---|---|
| 1 | BlackRock Liquidity Funds BlackRock Liquidity MuniCash Funds: Institutional Shares | US09248U8412 | 1.28% | $574.3M | Short-term investment vehicles (cash funds) | United States | USD |
| 2 | Board of Regents of the University of Texas System Board of Regents of the University of Texas System, Series 2025B | US91514ANG66 | 0.19% | $86.7M | Debt | United States | USD |
| 3 | New York State Thruway Authority New York State Thruway Authority, Series 2022A | US650028ZA41 | 0.15% | $68.6M | Debt | United States | USD |
| 4 | San Antonio Water System San Antonio Water System, Series 2025D | US79642GTU66 | 0.14% | $64.0M | Short-term investment vehicles (cash funds) | United States | USD |
| 5 | Triborough Bridge & Tunnel Authority Triborough Bridge & Tunnel Authority, Series 2005B-2 | US89602RPH20 | 0.14% | $61.0M | Short-term investment vehicles (cash funds) | United States | USD |
| 6 | New York City Transitional Finance Authority Future Tax Secured New York City Transitional Finance Authority Future Tax Secured, Series 2019C-4 | US64971XKS61 | 0.13% | $59.4M | Short-term investment vehicles (cash funds) | United States | USD |
| 7 | New York State Dormitory Authority New York State Dormitory Authority, Series 2019D | US64990FPV03 | 0.13% | $59.3M | Debt | United States | USD |
| 8 | Ohio State University (The) Ohio State University (The), Series 2026A | US677632T926 | 0.13% | $57.8M | Debt | United States | USD |
| 9 | Houston Higher Education Finance Corp. Houston Higher Education Finance Corp., Series 2024 | US442378GP45 | 0.13% | $57.7M | Debt | United States | USD |
| 10 | Northwest Independent School District Northwest Independent School District, Series 2025 | US667826HG94 | 0.13% | $57.4M | Debt | United States | USD |
| 11 | State of New Jersey State of New Jersey, Series 2020A | US646039YM35 | 0.13% | $56.5M | Debt | United States | USD |
| 12 | State of California | US13063D7Q50 | 0.12% | $55.9M | Debt | United States | USD |
| 13 | State of Washington State of Washington, Series R-2022C | US93974EVY93 | 0.12% | $55.5M | Debt | United States | USD |
| 14 | Pennsylvania Turnpike Commission Pennsylvania Turnpike Commission, Series 2019-2 | US709224M309 | 0.12% | $52.7M | Short-term investment vehicles (cash funds) | United States | USD |
| 15 | Chicago Transit Authority Sales Tax Receipts Fund Chicago Transit Authority Sales Tax Receipts Fund, Series 2024A | US16772PEP71 | 0.11% | $51.5M | Debt | United States | USD |
| 16 | East County Advanced Water Purification Joint Powers Authority | US271843AB05 | 0.11% | $50.4M | Debt | United States | USD |
| 17 | Long Island Power Authority Long Island Power Authority, Series 2026A | US542691LJ76 | 0.11% | $50.0M | Short-term investment vehicles (cash funds) | United States | USD |
| 18 | Orlando Utilities Commission Orlando Utilities Commission, Series 2008-1 | US686507DZ42 | 0.11% | $50.0M | Short-term investment vehicles (cash funds) | United States | USD |
| 19 | Washoe County School District Washoe County School District, Series 2017C | US940859BX82 | 0.11% | $49.3M | Debt | United States | USD |
| 20 | New Jersey Educational Facilities Authority New Jersey Educational Facilities Authority, Series A-1 | US646067KD94 | 0.11% | $49.2M | Debt | United States | USD |
| 21 | State of Illinois State of Illinois, Series 2017D | US452152P965 | 0.11% | $48.8M | Debt | United States | USD |
| 22 | Commonwealth of Massachusetts Commonwealth of Massachusetts, Series 2024B | US57582R8A79 | 0.11% | $48.2M | Debt | United States | USD |
| 23 | State of California | US13063D4Q87 | 0.11% | $47.9M | Debt | United States | USD |
| 24 | Commonwealth of Massachusetts Commonwealth of Massachusetts, Series 2022E | US57582R2F21 | 0.10% | $46.4M | Debt | United States | USD |
| 25 | New York City Municipal Water Finance Authority New York City Municipal Water Finance Authority, Series 2024BB, Sub-Series BB-2 | US64972GH724 | 0.10% | $46.3M | Debt | United States | USD |
Breakdowns
Sums of reported weights over every position in the report. Totals can differ from 100% because of derivatives, borrowing and cash.
Asset type
| Type | Weight | Bar |
|---|---|---|
| Debt | 95.56% | |
| Short-term investment vehicles (cash funds) | 3.97% |
Country
| Country | Weight | Bar |
|---|---|---|
| United States | 99.53% |
Currency exposure
| Currency | Weight | Bar |
|---|---|---|
| US dollar (USD) | 99.53% |
Sector
No sector data
None of this fund's holdings matched a stock listed on this site, so no sector is shown.
Source: SEC Form N-PORT (opens in a new tab) Holdings as of
Distributions
- Paid in the last 12 months
- $3.4140
- 12-month yield
- 3.34%
- Frequency
- Monthly
- Latest ex-date
- 1 Oct 2026
12-month yield = distributions per unit with an ex-date in the last 12 months ($3.4140) ÷ latest price ($102.35) × 100 = 3.34%. It looks back, so it is not a forecast; special distributions in the window are included.
Why a distribution yield is not the fund's return: yield vs total return
Distribution history table (60 payments)
| Ex-date | Amount per unit |
|---|---|
| 1 Oct 2026 | $0.2790 |
| 1 Sep 2026 | $0.2900 |
| 3 Aug 2026 | $0.2860 |
| 1 Jul 2026 | $0.2890 |
| 1 Jun 2026 | $0.2800 |
| 1 May 2026 | $0.2890 |
| 1 Apr 2026 | $0.2820 |
| 2 Mar 2026 | $0.2920 |
| 2 Feb 2026 | $0.2790 |
| 19 Dec 2025 | $0.2850 |
| 1 Dec 2025 | $0.2880 |
| 3 Nov 2025 | $0.2750 |
| 1 Oct 2025 | $0.2870 |
| 2 Sep 2025 | $0.2800 |
| 1 Aug 2025 | $0.2780 |
| 1 Jul 2025 | $0.2810 |
| 2 Jun 2025 | $0.2750 |
| 1 May 2025 | $0.2850 |
| 1 Apr 2025 | $0.2770 |
| 3 Mar 2025 | $0.2820 |
| 3 Feb 2025 | $0.2710 |
| 18 Dec 2024 | $0.2720 |
| 2 Dec 2024 | $0.2700 |
| 1 Nov 2024 | $0.2680 |
| 1 Oct 2024 | $0.2760 |
| 3 Sep 2024 | $0.2680 |
| 1 Aug 2024 | $0.2640 |
| 1 Jul 2024 | $0.2600 |
| 3 Jun 2024 | $0.2780 |
| 1 May 2024 | $0.2610 |
| 1 Apr 2024 | $0.2600 |
| 1 Mar 2024 | $0.2680 |
| 1 Feb 2024 | $0.2580 |
| 14 Dec 2023 | $0.2540 |
| 1 Dec 2023 | $0.2510 |
| 1 Nov 2023 | $0.2520 |
| 2 Oct 2023 | $0.2420 |
| 1 Sep 2023 | $0.2340 |
| 1 Aug 2023 | $0.2360 |
| 3 Jul 2023 | $0.2400 |
| 1 Jun 2023 | $0.2310 |
| 1 May 2023 | $0.2340 |
| 3 Apr 2023 | $0.2280 |
| 1 Mar 2023 | $0.2430 |
| 1 Feb 2023 | $0.2240 |
| 15 Dec 2022 | $0.2120 |
| 1 Dec 2022 | $0.2110 |
| 1 Nov 2022 | $0.1980 |
| 3 Oct 2022 | $0.2020 |
| 1 Sep 2022 | $0.1990 |
| 1 Aug 2022 | $0.1860 |
| 1 Jul 2022 | $0.1860 |
| 1 Jun 2022 | $0.1620 |
| 2 May 2022 | $0.1720 |
| 1 Apr 2022 | $0.1650 |
| 1 Mar 2022 | $0.1740 |
| 1 Feb 2022 | $0.1580 |
| 16 Dec 2021 | $0.1630 |
| 1 Dec 2021 | $0.1690 |
| 1 Nov 2021 | $0.1610 |
Filings and sources
- Form N-PORT report for May 2026 (opens in a new tab)
- Prospectus filing with the fee table (opens in a new tab)
- All SEC filings for this fund series (S000018861) (opens in a new tab)
- Nasdaq Trader symbol directory (opens in a new tab)
- Yahoo Finance quote and distributions (opens in a new tab)
- How the ETF figures are collected
Compare with
Largest funds in the same category:
- MUB and BND Vanguard Total Bond Market ETF
- MUB and AGG iShares Core U.S. Aggregate Bond ETF
- MUB and VTIP Vanguard Short-Term Inflation-Protected Securities Index Fund ETF Shares
- MUB and BSV Vanguard Short-Term Bond ETF