MUB
iShares National Muni Bond ETF
iShares Trust
ETFIndex fund

Portfolio concentration

As of February 28, 2026 · N-PORT
Holdings
6264
Top-10 weight
2.05%
Effective holdings ?
2730
Crowding ?
10.0

Holdings

As of February 28, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 BLKR-LI MUNI-INS MCSXX 242,959,002 $242.98M 0.56%
2 UNIV OF TEXAS TX UNIV REVENUES UNIHGR 08/36 FIXED 5 75,560,000 $90.01M 0.21%
3 Connecticut State Health & Educational Facilities Authority, Series 2017C-4 85,000,000 $85.00M 0.20%
4 City of Atlanta Water & Wastewater, Series 2015 ATLUTL 82,030,000 $82.28M 0.19%
5 TX NWTSCD 5.25 02/15/2055 NWTSCD 64,990,000 $69.47M 0.16%
6 NYS TWY PIT 5% 3/15/2048 66,125,000 $69.24M 0.16%
7 HOUSTON TX HGR EDU FIN CORP REGD N/C B/E 5.00000000 HOUHGR 54,575,000 $64.91M 0.15%
8 NY ST DORM AUTH PIT 20D SF 4.0% 02-15-47 NYSHGR 63,585,000 $60.67M 0.14%
9 OHIO ST UNIV REGD N/C B/E 5.00000000 50,000,000 $59.85M 0.14%
10 STATE OF CALIFORNIA 5.0% 09-01-31 50,000,000 $57.72M 0.13%
11 State of New Jersey, Series 2020A 53,890,000 $57.39M 0.13%
12 WASHINGTON ST-R-2022 53,230,000 $56.39M 0.13%
13 Pennsylvania Turnpike Commission, Series 2019-2 52,715,000 $52.72M 0.12%
14 Chicago Transit Authority, Series A 50,000,000 $51.56M 0.12%
15 NJ EDUCTNL FACS AUTH 45,265,000 $50.75M 0.12%
16 Washoe County School District, Series 2017C 52,635,000 $50.70M 0.12%
17 NJ NJSEDU 07/01/2064 NJSEDU 45,000,000 $50.58M 0.12%
18 E CO AWP JT PWRS-A-1 EAWWTR 50,365,000 $50.43M 0.12%
19 STATE OF CALIFORNIA 5.0% 10-01-36 42,700,000 $49.71M 0.12%
20 State of Illinois, Series D ILS 47,425,000 $49.47M 0.11%
21 MASSACHUSETTS ST-B 46,705,000 $48.88M 0.11%
22 District of Columbia, Series 2025A 42,000,000 $48.54M 0.11%
23 NYC WTR 5.25% 6/15/2047 43,315,000 $46.90M 0.11%
24 MA ST 5% 11/1/52 45,020,000 $46.85M 0.11%
25 NEW YORK NY 40,995,000 $46.63M 0.11%
26 CALIFORNIA ST EDUCTNL FACS AUTH REVENUE CASEDU 42,070,000 $44.66M 0.10%
27 San Diego Unified School District, Series 2020D-2 45,580,000 $44.53M 0.10%
28 Colorado Springs (City of), CO, Series 2024 A, RB 41,655,000 $44.19M 0.10%
29 Triborough Bridge & Tunnel Authority, Series 2024A 40,030,000 $41.83M 0.10%
30 NJ TRN FD CAB-SER C 50,000,000 $41.77M 0.10%
31 Los Angeles Unified School District, Series 2020 RYQ, GO Bonds 41,225,000 $41.61M 0.10%
32 UNIV OF CA REGENTS 36,840,000 $41.26M 0.10%
33 NY ST UDC PIT REV 20A SF 4.0% 03-15-49 42,995,000 $41.11M 0.10%
34 NYC WTR 5% 6/15/48 39,855,000 $40.54M 0.09%
35 PENNSYLVANIA CMWLTH 40,000,000 $40.53M 0.09%
36 TRIBOROUGH NY BRIDGE TUNNEL TRBTRN 05/51 FIXED 5 39,000,000 $40.47M 0.09%
37 New York State Thruway Authority, Series 2021A-1 39,000,000 $40.19M 0.09%
38 NY ST THRWY AUTH 40,000,000 $40.19M 0.09%
39 OH WTR DEV AUTH-C 40,090,000 $40.09M 0.09%
40 State of Maryland, Series 2023A 35,000,000 $39.80M 0.09%
41 Metropolitan Government of Nashville & Davidson County, Series 2024B 34,000,000 $39.75M 0.09%
42 New York State Thruway Authority, Series 2025A 33,330,000 $39.71M 0.09%
43 Pennsylvania Turnpike Commission, Turnpike Revenue Bonds, Variable Rate Series 2020 39,250,000 $39.25M 0.09%
44 Maryland (State of) Stadium Authority (Baltimore City Public Schools), Series 2016, RB 38,750,000 $38.93M 0.09%
45 New Orleans, Louisiana, General Obligation Bonds, Public Improvement Series 2024A 37,505,000 $38.43M 0.09%
46 MA ST-A 36,195,000 $38.20M 0.09%
47 MBTA SLS TAX 5.25% 7/1/2052 35,395,000 $37.93M 0.09%
48 UNIV OF CA REGENTS UNVHGR 34,000,000 $37.88M 0.09%
49 PROSPER TX INDEP SCH DIST REGD OID B/E PSF-GTD 4.00000000 40,970,000 $37.79M 0.09%
50 Ector County, Texas, Certificates of Obligation, Series 2024 38,525,000 $37.46M 0.09%
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