Jane Street’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
Q1 | $96.8M | Buy |
912,202
+360,470
| +65% | +$38.8M | 0.01% | 658 |
|
|
2025
Q4 | $59.1M | Sell |
551,732
-346,697
| -39% | -$37.1M | 0.01% | 839 |
|
|
2025
Q3 | $95.7M | Buy |
898,429
+361,215
| +67% | +$37.8M | 0.01% | 615 |
|
|
2025
Q2 | $56.1M | Buy |
537,214
+189,748
| +55% | +$19.7M | 0.01% | 706 |
|
|
2025
Q1 | $36.6M | Sell |
347,466
-1,893,914
| -84% | -$201M | 0.01% | 854 |
|
|
2024
Q4 | $239M | Buy |
2,241,380
+2,143,876
| +2,199% | +$230M | 0.05% | 216 |
|
|
2024
Q3 | $10.6M | Buy |
97,504
+39,562
| +68% | +$4.26M | ﹤0.01% | 1852 |
|
|
2024
Q2 | $6.17M | Sell |
57,942
-2,719,169
| -98% | -$290M | ﹤0.01% | 2666 |
|
|
2024
Q1 | $299M | Sell |
2,777,111
-2,373,181
| -46% | -$256M | 0.06% | 152 |
|
|
2023
Q4 | $558M | Buy |
5,150,292
+5,146,865
| +150,186% | +$538M | 0.15% | 76 |
|
|
2023
Q3 | $351K | Sell |
3,427
-210,694
| -98% | -$22.2M | ﹤0.01% | 6822 |
|
|
2023
Q2 | $22.9M | Buy |
214,121
+210,394
| +5,645% | +$22.5M | 0.01% | 1086 |
|
|
2023
Q1 | $402K | Sell |
3,727
-6,376
| -63% | -$681K | ﹤0.01% | 6707 |
|
|
2022
Q4 | $1.07M | Sell |
10,103
-11,210
| -53% | -$1.17M | ﹤0.01% | 4898 |
|
|
2022
Q3 | $2.19M | Sell |
21,313
-2,149,361
| -99% | -$229M | ﹤0.01% | 4059 |
|
|
2022
Q2 | $231M | Buy |
2,170,674
+1,332,868
| +159% | +$142M | 0.1% | 127 |
|
|
2022
Q1 | $91.9M | Sell |
837,806
-1,059,162
| -56% | -$120M | 0.03% | 436 |
|
|
2021
Q4 | $221M | Buy |
1,896,968
+1,610,100
| +561% | +$187M | 0.07% | 167 |
|
|
2021
Q3 | $33.3M | Sell |
286,868
-3,175,771
| -92% | -$372M | 0.01% | 783 |
|
|
2021
Q2 | $406M | Buy |
3,462,639
+1,775,923
| +105% | +$208M | 0.16% | 75 |
|
|
2021
Q1 | $196M | Buy |
1,686,716
+260,475
| +18% | +$30.4M | 0.1% | 137 |
|
|
2020
Q4 | $167M | Buy |
1,426,241
+523,970
| +58% | +$60.9M | 0.08% | 147 |
|
|
2020
Q3 | $105M | Sell |
902,271
-1,088,996
| -55% | -$127M | 0.06% | 207 |
|
|
2020
Q2 | $230M | Buy |
+1,991,267
| New | +$226M | 0.17% | 72 |
|
|
2020
Q1 | – | Sell |
-46,173
| Closed | -$5.27M | – | 5742 |
|
|
2019
Q4 | $5.26M | Sell |
46,173
-226,912
| -83% | -$25.8M | 0.01% | 1053 |
|
|
2019
Q3 | $31.2M | Buy |
273,085
+269,723
| +8,023% | +$30.8M | 0.05% | 255 |
|
|
2019
Q2 | $380K | Sell |
3,362
-722,219
| -100% | -$80.9M | ﹤0.01% | 3921 |
|
|
2019
Q1 | $80.7M | Buy |
+725,581
| New | +$79.6M | 0.13% | 113 |
|
|
2018
Q3 | – | Sell |
-369,604
| Closed | -$40.3M | – | 5494 |
|
|
2018
Q2 | $40.3M | Buy |
369,604
+318,899
| +629% | +$34.6M | 0.09% | 153 |
|
|
2018
Q1 | $5.52M | Buy |
+50,705
| New | +$5.53M | 0.01% | 905 |
|
|
2017
Q4 | – | Sell |
-3,387
| Closed | -$375K | – | 4980 |
|
|
2017
Q3 | $375K | Sell |
3,387
-135,809
| -98% | -$15.1M | ﹤0.01% | 3435 |
|
|
2017
Q2 | $15.3M | Buy |
139,196
+18,795
| +16% | +$2.07M | 0.05% | 306 |
|
|
2017
Q1 | $13.1M | Buy |
120,401
+102,273
| +564% | +$11.1M | 0.06% | 301 |
|
|
2016
Q4 | $1.96M | Buy |
18,128
+1,124
| +7% | +$123K | 0.01% | 1342 |
|
|
2016
Q3 | $1.92M | Sell |
17,004
-486,578
| -97% | -$55.1M | 0.01% | 1247 |
|
|
2016
Q2 | $57.4M | Buy |
503,582
+441,383
| +710% | +$49.7M | 0.28% | 58 |
|
|
2016
Q1 | $6.95M | Buy |
+62,199
| New | +$6.92M | 0.04% | 429 |
|
|
2015
Q4 | – | Sell |
-21,364
| Closed | -$2.34M | – | 4296 |
|
|
2015
Q3 | $2.34M | Buy |
+21,364
| New | +$2.32M | 0.01% | 851 |
|
|
2015
Q2 | – | Sell |
-23,752
| Closed | -$2.63M | – | 3892 |
|
|
2015
Q1 | $2.63M | Sell |
23,752
-86,967
| -79% | -$9.62M | 0.02% | 695 |
|
|
2014
Q4 | $12.2M | Buy |
110,719
+102,927
| +1,321% | +$11.3M | 0.09% | 163 |
|
|
2014
Q3 | $855K | Buy |
+7,792
| New | +$850K | 0.01% | 1030 |
|
|
2014
Q1 | – | Sell |
-128,044
| Closed | -$13.3M | – | 2930 |
|
|
2013
Q4 | $13.3M | Sell |
128,044
-20,197
| -14% | -$2.11M | 0.19% | 94 |
|
|
2013
Q3 | $15.5M | Buy |
+148,241
| New | +$15.3M | 0.18% | 85 |
|
Other funds holding MUB
Jane Street's MUB Position: Q1 2026 in Review
Jane Street increased its iShares National Muni Bond ETF (MUB) stake by 65% in Q1 2026, buying an estimated $38.8M and bringing the position to 912,202 shares worth $96.8M. The position accounts for 0.01% of the portfolio, ranked #658.
Jane Street first reported a position in MUB in Q3 2013 and has held it in 43 quarters since. The position peaked at $558M in Q4 2023. 1,628 funds tracked by Wall St. Rank hold MUB as of Q1 2026.
- Jane Street held 912,202 shares of iShares National Muni Bond ETF worth $96.8M as of Q1 2026.
- Jane Street bought 360,470 iShares National Muni Bond ETF shares in Q1 2026, an estimated $38.8M.
- iShares National Muni Bond ETF made up 0.01% of Jane Street's portfolio in Q1 2026, its #658 holding.
- Jane Street first reported a position in iShares National Muni Bond ETF in Q3 2013 and has held it in 43 quarters since.
- Jane Street's iShares National Muni Bond ETF position peaked at $558M in Q4 2023.
- 1,628 funds tracked by Wall St. Rank held iShares National Muni Bond ETF as of Q1 2026.
Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.