BlackRock’s iShares National Muni Bond ETF MUB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$120M Buy
1,115,072
+464,454
+71% +$49.7M ﹤0.01% 2116
2026
Q1
$69.1M Buy
650,618
+432,320
+198% +$46.5M ﹤0.01% 2322
2025
Q4
$23.4M Buy
218,298
+165,297
+312% +$17.7M ﹤0.01% 3013
2025
Q3
$5.64M Sell
53,001
-14,566
-22% -$1.52M ﹤0.01% 3729
2025
Q2
$7.06M Sell
67,567
-226,591
-77% -$23.6M ﹤0.01% 3587
2025
Q1
$31M Buy
294,158
+105,892
+56% +$11.3M ﹤0.01% 2666
2024
Q4
$20.1M Buy
188,266
+93,890
+99% +$10.1M ﹤0.01% 3054
2024
Q3
$10.3M Sell
94,376
-181,225
-66% -$19.5M ﹤0.01% 3397
2024
Q2
$29.4M Sell
275,601
-25,323
-8% -$2.7M ﹤0.01% 2751
2024
Q1
$32.4M Sell
300,924
-2,235,473
-88% -$241M ﹤0.01% 2705
2023
Q4
$275M Buy
2,536,397
+1,333,343
+111% +$139M 0.01% 1423
2023
Q3
$123M Buy
1,203,054
+555,655
+86% +$58.6M ﹤0.01% 1868
2023
Q2
$69.1M Sell
647,399
-332,388
-34% -$35.5M ﹤0.01% 2290
2023
Q1
$106M Sell
979,787
-872,815
-47% -$93.3M ﹤0.01% 1984
2022
Q4
$195M Buy
1,852,602
+1,088,953
+143% +$113M 0.01% 1543
2022
Q3
$78.3M Sell
763,649
-198,151
-21% -$21.1M ﹤0.01% 2124
2022
Q2
$102M Buy
961,800
+100,891
+12% +$10.8M ﹤0.01% 1987
2022
Q1
$94.4M Sell
860,909
-4,331,629
-83% -$489M ﹤0.01% 2177
2021
Q4
$604M Buy
5,192,538
+1,024,932
+25% +$119M 0.02% 892
2021
Q3
$484M Buy
4,167,606
+380,203
+10% +$44.6M 0.01% 1007
2021
Q2
$444M Buy
3,787,403
+1,713,987
+83% +$200M 0.01% 1107
2021
Q1
$241M Buy
2,073,416
+314,333
+18% +$36.7M 0.01% 1604
2020
Q4
$206M Buy
1,759,083
+1,192,349
+210% +$139M 0.01% 1595
2020
Q3
$65.7M Buy
566,734
+201,569
+55% +$23.4M ﹤0.01% 2131
2020
Q2
$42.1M Buy
365,165
+7,797
+2% +$885K ﹤0.01% 2359
2020
Q1
$40.4M Sell
357,368
-4,421,109
-93% -$505M ﹤0.01% 2187
2019
Q4
$544M Buy
4,778,477
+795,829
+20% +$90.7M 0.02% 746
2019
Q3
$454M Buy
3,982,648
+2,561,944
+180% +$292M 0.02% 820
2019
Q2
$161M Sell
1,420,704
-3,049,277
-68% -$341M 0.01% 1584
2019
Q1
$497M Buy
4,469,981
+4,014,873
+882% +$440M 0.02% 738
2018
Q4
$49.6M Sell
455,108
-2,561,714
-85% -$276M ﹤0.01% 2246
2018
Q3
$326M Sell
3,016,822
-429,774
-12% -$46.7M 0.01% 1102
2018
Q2
$376M Buy
3,446,596
+3,183,174
+1,208% +$345M 0.02% 951
2018
Q1
$28.7M Buy
263,422
+6,795
+3% +$741K ﹤0.01% 2568
2017
Q4
$28.4M Sell
256,627
-996,024
-80% -$110M ﹤0.01% 2599
2017
Q3
$139M Buy
1,252,651
+918,060
+274% +$102M 0.01% 1622
2017
Q2
$36.8M Buy
334,591
+2,202
+0.7% +$242K ﹤0.01% 2439
2017
Q1
$36.2M Buy
332,389
+210,108
+172% +$22.8M ﹤0.01% 2416
2016
Q4
$13.2M Buy
122,281
+86,772
+244% +$9.5M 0.02% 656
2016
Q3
$4M Buy
35,509
+13,229
+59% +$1.5M 0.01% 971
2016
Q2
$2.54M Buy
22,280
+13,662
+159% +$1.54M ﹤0.01% 1063
2016
Q1
$962K Buy
8,618
+6,793
+372% +$756K ﹤0.01% 1370
2015
Q4
$202K Buy
+1,825
New +$200K ﹤0.01% 1652

Other funds holding MUB

BlackRock's MUB Position: Q2 2026 in Review

BlackRock increased its iShares National Muni Bond ETF (MUB) stake by 71% in Q2 2026, buying an estimated $49.7M and bringing the position to 1,115,072 shares worth $120M. The position accounts for ﹤0.01% of the portfolio, ranked #2116.

BlackRock first reported a position in MUB in Q4 2015 and has held it in 43 quarters since. The position peaked at $604M in Q4 2021. 1,632 funds tracked by Wall St. Rank hold MUB as of Q2 2026.

  • BlackRock held 1,115,072 shares of iShares National Muni Bond ETF worth $120M as of Q2 2026.
  • BlackRock bought 464,454 iShares National Muni Bond ETF shares in Q2 2026, an estimated $49.7M.
  • iShares National Muni Bond ETF made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #2116 holding.
  • BlackRock first reported a position in iShares National Muni Bond ETF in Q4 2015 and has held it in 43 quarters since.
  • BlackRock's iShares National Muni Bond ETF position peaked at $604M in Q4 2021.
  • 1,632 funds tracked by Wall St. Rank held iShares National Muni Bond ETF as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.