---
ticker: "LMUB"
name: "iShares Long-Term National Muni Bond ETF"
url: "https://etf.net/etf/LMUB"
grade: "B"
score: 63
graded_at: "2026-10-12"
category: "Long-Duration Municipal Bonds"
category_rank: "1 of 5"
methodology: "https://etf.net/methodology"
---

# LMUB: iShares Long-Term National Muni Bond ETF

Grade **B**, Score 63 of 100. Rank 1 of 5 in Long-Duration Municipal Bonds.

Graded Oct 12, 2026.

## Grade pillars

| Pillar | Score | Category rank |
| --- | --- | --- |
| Cost | 80 | 1 of 5 |
| Mission | 55 | 4 of 5 |
| Risk | 39 | 5 of 5 |
| Tradability | 63 | 1 of 5 |
| Holdings | 64 | 2 of 5 |
| Durability | 70 | 1 of 5 |

## Top holdings

The fund holds 983 positions. These are the largest 30, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | — | BlackRock Liq Municash Class Ins Mmf | 5.64% |
| 2 | — | Massachusetts St 5.00% 07/01/2045 | 0.62% |
| 3 | — | Oklahoma Cap Imp Auth St Hwy C 5.25% 07/01/2050 | 0.60% |
| 4 | — | Pennsylvania St 5.00% 04/01/2041 | 0.56% |
| 5 | — | Illinois St 5.00% 12/01/2043 | 0.51% |
| 6 | — | Illinois St 5.00% 09/01/2042 | 0.48% |
| 7 | — | Ohio (State Of) 5.00% 05/01/2039 | 0.46% |
| 8 | — | Triborough Brdg & Tunl Auth N 5.00% 11/15/2041 | 0.45% |
| 9 | — | New York N Y 5.25% 02/01/2050 | 0.45% |
| 10 | — | Clark Cnty Nev Sch Dist 5.00% 06/15/2040 | 0.43% |
| 11 | — | New York N Y City Mun Wtr Fin 5.00% 06/15/2045 | 0.42% |
| 12 | — | Los Angeles Calif Department of Wa 5.00% 07/01/2040 | 0.41% |
| 13 | — | New Jersey St Transn Tr Fd Aut 5.25% 06/15/2050 | 0.39% |
| 14 | — | South Dakota Conservancy Dist 5.00% 08/01/2055 | 0.38% |
| 15 | — | Salt Riv Proj Agric Impt & Pwr 5.25% 01/01/2053 | 0.38% |
| 16 | — | New York N Y 5.00% 08/01/2047 | 0.36% |
| 17 | — | Los Angeles Calif Dept Wtr & P 5.00% 07/01/2039 | 0.36% |
| 18 | — | Corpus Christi Tex Indpt Sch D 5.00% 08/15/2049 | 0.36% |
| 19 | — | Pennsylvania St Turnpike Commissio 5.00% 12/01/2056 | 0.36% |
| 20 | — | New York N Y City Transitional 4.00% 05/01/2042 | 0.36% |
| 21 | — | Michigan St Trunk Line 4.00% 11/15/2046 | 0.35% |
| 22 | — | Los Angeles Calif Uni Sch Dist 4.00% 07/01/2049 | 0.33% |
| 23 | — | Regents of The University of Calif 5.00% 11/15/2041 | 0.33% |
| 24 | — | San Antonio Tex Elec & Gas Rev 5.00% 02/01/2039 | 0.32% |
| 25 | — | Omaha Pub Pwr Dist Neb Elec Re 4.00% 02/01/2049 | 0.32% |
| 26 | — | Washington D C Met Area Tran A 4.00% 07/15/2045 | 0.32% |
| 27 | — | New York N Y 5.00% 03/01/2043 | 0.32% |
| 28 | — | Massachusetts St 5.00% 10/01/2052 | 0.31% |
| 29 | — | Central Puget Sound Wash Regl 4.00% 11/01/2046 | 0.31% |
| 30 | — | Triborough Brdg & Tunl Auth N 5.25% 05/15/2052 | 0.31% |

Source: etf.net, https://etf.net/etf/LMUB. Please cite the page URL.