MUB holdings by issuer, coupon and maturity
MUB holds 6,654 positions from 776 issuers in its SEC Form N-PORT for the period ended 2026-05-31, filed 2026-07-24. The largest kinds are municipal bonds at 98.2% of net assets and money market funds at 1.3%. Its debt averages a 4.60% coupon and 13.7 years to maturity, and its filing gives a duration of 6.27 years.
What does MUB hold, from its SEC Form N-PORT for the period ended 2026-05-31?
| Kind of holding | Of net assets | Weight bar |
|---|---|---|
| Municipal bonds | 98.25% | |
| Money market funds | 1.28% |
MUB's holdings are from its SEC Form N-PORT for the period ended 2026-05-31, filed 2026-07-24; a newer filing replaces it when the nightly read of EDGAR finds one. Its 500 largest issuers and its 200 largest lines are in the fund's JSON file.
https://tickerinside.com/api/v1/fund/mub.jsonhttps://tickerinside.com/api/v1/fund/mub.csv=IMPORTDATA("https://tickerinside.com/api/v1/fund/mub.csv")If your sheet uses a decimal comma: =IMPORTDATA("https://tickerinside.com/api/v1/fund/mub.csv"; ","; "en_US")curl -s https://tickerinside.com/api/v1/fund/mub.jsonWhich issuers does MUB hold the most of?
The largest issuer is State of California at 4.46% of net assets in 254 lines, then New York City Transitional Finance Authority Future Tax Secured at 4.18% and New York State Dormitory Authority at 3.73%; the ten largest of its 776 issuers make up 26.4%.
| Rank | Issuer | Of net assets | Lines | Weight bar |
|---|---|---|---|---|
| 1 | State of California | 4.46% | 254 | |
| 2 | New York City Transitional Finance Authority Future Tax Secured | 4.18% | 259 | |
| 3 | New York State Dormitory Authority | 3.73% | 252 | |
| 4 | City of New York NY | 2.90% | 210 | |
| 5 | Commonwealth of Massachusetts | 2.16% | 138 | |
| 6 | New Jersey Transportation Trust Fund Authority | 1.98% | 130 | |
| 7 | New York City Municipal Water Finance Authority | 1.98% | 96 | |
| 8 | State of Washington | 1.80% | 95 | |
| 9 | University of California | 1.64% | 84 | |
| 10 | Triborough Bridge & Tunnel Authority | 1.56% | 98 | |
| 11 | Metropolitan Transportation Authority | 1.56% | 100 | |
| 12 | State of Illinois | 1.48% | 100 | |
| 13 | Empire State Development Corp | 1.24% | 69 | |
| 14 | Pennsylvania Turnpike Commission | 1.22% | 76 | |
| 15 | New York State Thruway Authority | 1.11% | 56 | |
| 16 | State of Connecticut | 1.09% | 95 | |
| 17 | Commonwealth of Pennsylvania | 1.07% | 49 | |
| 18 | Los Angeles Department of Water & Power | 0.97% | 64 | |
| 19 | Los Angeles Unified School District | 0.92% | 67 | |
| 20 | Texas Water Development Board | 0.80% | 62 |
When does MUB's debt mature?
The most weight, 32.3% of net assets, matures in 10 to 20 years; the average maturity is 13.7 years.
| Time to maturity | Of net assets | Weight bar |
|---|---|---|
| under 1 year | 3.10% | |
| 1 to 3 years | 6.84% | |
| 3 to 5 years | 8.12% | |
| 5 to 7 years | 8.69% | |
| 7 to 10 years | 12.52% | |
| 10 to 20 years | 32.33% | |
| 20 to 30 years | 25.09% | |
| over 30 years | 1.56% |
Where are MUB's issuers based?
By the country of each issuer: United States 98.2% of net assets.
| Country of the issuer | Of net assets | Weight bar |
|---|---|---|
| United States | 98.25% |
MUB's largest lines
| Issuer | Kind | Coupon | Maturity | Of net assets |
|---|---|---|---|---|
| BlackRock Liquidity Funds | Money market funds | none | none | 1.28% |
| City of New York NY | Municipal bonds | 5% | 2031-08-01 | 0.20% |
| Board of Regents of the University of Texas System | Municipal bonds | 5% | 2036-08-15 | 0.19% |
| New York State Dormitory Authority | Municipal bonds | 5% | 2033-03-15 | 0.19% |
| Triborough Bridge & Tunnel Authority | Municipal bonds | 5% | 2051-05-15 | 0.18% |
| New York City Municipal Water Finance Authority | Municipal bonds | 5% | 2048-06-15 | 0.18% |
| New York State Dormitory Authority | Municipal bonds | 5% | 2030-03-15 | 0.16% |
| University of California | Municipal bonds | 5% | 2037-05-15 | 0.16% |
| University of California | Municipal bonds | 5% | 2036-05-15 | 0.15% |
| New York State Thruway Authority | Municipal bonds | 5% | 2048-03-15 | 0.15% |
| State of California | Municipal bonds | 5% | 2031-09-01 | 0.15% |
| San Antonio Water System | Municipal bonds | 2.8% | 2055-05-01 | 0.14% |
| City of New York NY | Municipal bonds | 5% | 2030-08-01 | 0.14% |
| Triborough Bridge & Tunnel Authority | Municipal bonds | 1.55% | 2032-01-01 | 0.14% |
| New York State Dormitory Authority | Municipal bonds | 5% | 2035-03-15 | 0.14% |
| New York City Transitional Finance Authority Future Tax Secured | Municipal bonds | 5% | 2034-11-01 | 0.14% |
| New York State Dormitory Authority | Municipal bonds | 5% | 2032-03-15 | 0.13% |
| State of California | Municipal bonds | 5% | 2029-10-01 | 0.13% |
| New York City Transitional Finance Authority Future Tax Secured | Municipal bonds | 2.85% | 2044-11-01 | 0.13% |
| New York State Dormitory Authority | Municipal bonds | 4% | 2047-02-15 | 0.13% |
| New Jersey Educational Facilities Authority | Municipal bonds | 5% | 2064-07-01 | 0.13% |
| Ohio State University (The) | Municipal bonds | 5% | 2035-06-01 | 0.13% |
| Houston Higher Education Finance Corp | Municipal bonds | 5% | 2034-05-15 | 0.13% |
| Northwest Independent School District | Municipal bonds | 5.25% | 2055-02-15 | 0.13% |
| New York City Municipal Water Finance Authority | Municipal bonds | 2.85% | 2044-06-15 | 0.13% |
The 25 largest lines; the fund's JSON file lists 200.
Which bond ETFs with a page here share MUB's issuers?
Ranked by the lower of its issuer and maturity overlaps, VTEB shares the most with MUB: 62.9% of their weight by issuer, in 457 issuers both hold, and 94.1% by time to maturity. The issuer figure counts the 1,000 largest of VTEB's 1,143 issuers, 98.8% of its net assets.
| ETF | Overlap by issuer | By time to maturity | Issuers in both | Average maturity |
|---|---|---|---|---|
| VTEB | 62.9% | 94.1% | 457 | 14.5 years |
| CMF | 17.0% | 94.7% | 151 | 12.8 years |
| AGG | 0.3% | 70.9% | 30 | 12.5 years |
| BIV | 0.2% | 25.2% | 7 | 7.5 years |
| BND | 0.2% | 71.7% | 21 | 11.7 years |
| IUSB | 0.1% | 69.5% | 4 | 11.8 years |
| BIL | 0.0% | 3.1% | 0 | 0.2 years |
| BNDX | 0.0% | 60.1% | 0 | 8.7 years |
| BSV | 0.0% | 16.9% | 7 | 2.9 years |
| EBND | 0.0% | 63.4% | 0 | 8.8 years |
| EMLC | 0.0% | 60.1% | 0 | 7.5 years |
| GOVT | 0.0% | 52.9% | 0 | 7.4 years |
From each fund's SEC Form N-PORT: AGG, CMF and MUB for the period ended 2026-05-31, BIL, BIV, BND, BSV, EBND and EMLC 2026-06-30, BNDX, GOVT, IUSB and VTEB 2026-07-31. The issuer figures count the 1,000 largest of VTEB's 1,143 issuers, 98.8% of its net assets, and the 1,000 largest of AGG's 1,355 issuers, 98.0% of its net assets, and the 1,000 largest of BND's 1,778 issuers, 97.9% of its net assets, and the 1,000 largest of IUSB's 3,459 issuers, 91.7% of its net assets, and the 1,000 largest of BNDX's 1,354 issuers, 97.4% of its net assets. How the two overlaps are measured.
Where to go next
- SCHP, Schwab U.S. TIPS ETF
- SGOV, iShares 0-3 Month Treasury Bond ETF
- SHY, iShares 1-3 Year Treasury Bond ETF
- SPHY, State Street(R) SPDR(R) Portfolio High Yield Bond ETF
- The US ETFs with a page here
Holdings from MUB's SEC Form N-PORT for the period ended 2026-05-31, filed 2026-07-24. How these figures are read. Measurements, not investment advice.
Cite this page
TickerInside, iShares National Muni Bond ETF (MUB), holdings by issuer from SEC Form N-PORT for the period ended 2026-05-31, filed 2026-07-24, https://tickerinside.com/etf/mub/, CC BY 4.0
<a href="https://tickerinside.com/etf/mub/">TickerInside</a> (https://tickerinside.com/etf/mub/)