Bank of Montreal’s Ionis Pharmaceuticals IONS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$2M Sell
26,585
-9,777
-27% -$772K ﹤0.01% 1669
2025
Q4
$2.88M Sell
36,362
-711,040
-95% -$53.5M ﹤0.01% 1529
2025
Q3
$48.9M Buy
747,402
+264,113
+55% +$12.9M 0.02% 504
2025
Q2
$19.1M Sell
483,289
-299,546
-38% -$9.8M 0.01% 741
2025
Q1
$23.6M Buy
782,835
+470,689
+151% +$15.4M 0.01% 644
2024
Q4
$10.9M Buy
312,146
+98,263
+46% +$3.67M 0.01% 960
2024
Q3
$8.74M Sell
213,883
-6,635
-3% -$309K ﹤0.01% 1099
2024
Q2
$10.5M Sell
220,518
-2,300
-1% -$94.3K ﹤0.01% 984
2024
Q1
$10.5M Sell
222,818
-571
-0.3% -$27.2K ﹤0.01% 956
2023
Q4
$11.3M Sell
223,389
-3,432
-2% -$164K ﹤0.01% 982
2023
Q3
$10.1M Buy
226,821
+3,690
+2% +$152K ﹤0.01% 988
2023
Q2
$9.28M Buy
223,131
+9,200
+4% +$354K ﹤0.01% 1037
2023
Q1
$7.65M Sell
213,931
-8,047
-4% -$302K ﹤0.01% 1036
2022
Q4
$9.21M Sell
221,978
-101,551
-31% -$4.27M ﹤0.01% 1021
2022
Q3
$15.1K Buy
323,529
+91,537
+39% +$3.86M 0.01% 808
2022
Q2
$9.22K Sell
231,992
-36,505
-14% -$1.38M ﹤0.01% 1106
2022
Q1
$9.58M Buy
268,497
+39,090
+17% +$1.28M ﹤0.01% 1169
2021
Q4
$7.17M Sell
229,407
-20,297
-8% -$639K ﹤0.01% 1092
2021
Q3
$8.49M Sell
249,704
-131,781
-35% -$4.97M ﹤0.01% 1385
2021
Q2
$15.1M Buy
381,485
+59,255
+18% +$2.32M 0.01% 1048
2021
Q1
$13.8M Sell
322,230
-25,414
-7% -$1.42M 0.01% 852
2020
Q4
$21.6M Buy
347,644
+13,472
+4% +$671K 0.01% 671
2020
Q3
$15.1M Sell
334,172
-52,498
-14% -$2.92M 0.01% 687
2020
Q2
$23.4M Buy
386,670
+46,226
+14% +$2.57M 0.02% 540
2020
Q1
$16.7M Buy
340,444
+308,698
+972% +$17.2M 0.02% 550
2019
Q4
$1.92M Buy
31,746
+6,058
+24% +$361K ﹤0.01% 1906
2019
Q3
$1.54M Buy
25,688
+862
+3% +$56.2K ﹤0.01% 1853
2019
Q2
$1.59M Sell
24,826
-8,310
-25% -$587K ﹤0.01% 1825
2019
Q1
$2.69M Sell
33,136
-2,515
-7% -$162K ﹤0.01% 1502
2018
Q4
$1.93M Buy
35,651
+17,386
+95% +$887K ﹤0.01% 1535
2018
Q3
$942K Sell
18,265
-685
-4% -$32.2K ﹤0.01% 2032
2018
Q2
$789K Buy
18,950
+1,288
+7% +$57.1K ﹤0.01% 2121
2018
Q1
$779K Buy
17,662
+1,861
+12% +$94.5K ﹤0.01% 2035
2017
Q4
$796K Sell
15,801
-10,017
-39% -$549K ﹤0.01% 2060
2017
Q3
$1.31M Buy
25,818
+20,747
+409% +$1.09M ﹤0.01% 1848
2017
Q2
$258K Sell
5,071
-926
-15% -$43.1K ﹤0.01% 2530
2017
Q1
$242K Sell
5,997
-1,145
-16% -$51.4K ﹤0.01% 2372
2016
Q4
$313K Buy
7,142
+1,920
+37% +$76K ﹤0.01% 2309
2016
Q3
$191K Sell
5,222
-11,671
-69% -$365K ﹤0.01% 2481
2016
Q2
$394K Buy
16,893
+68
+0.4% +$2.19K ﹤0.01% 2189
2016
Q1
$682K Sell
16,825
-289
-2% -$11.7K ﹤0.01% 1916
2015
Q4
$1.06M Sell
17,114
-39,440
-70% -$2.13M ﹤0.01% 1697
2015
Q3
$2.29M Sell
56,554
-130,622
-70% -$6.76M ﹤0.01% 1244
2015
Q2
$10.8M Buy
187,176
+136,770
+271% +$8.7M 0.01% 764
2015
Q1
$3.21M Buy
50,406
+326
+0.7% +$22.1K ﹤0.01% 1187
2014
Q4
$3.09M Buy
50,080
+11,524
+30% +$569K ﹤0.01% 1223
2014
Q3
$1.5M Buy
38,556
+1,817
+5% +$64.4K ﹤0.01% 1585
2014
Q2
$1.27M Sell
36,739
-12,548
-25% -$395K ﹤0.01% 1641
2014
Q1
$2.13M Buy
49,287
+13,957
+40% +$677K ﹤0.01% 1308
2013
Q4
$1.41M Buy
35,330
+18,771
+113% +$669K ﹤0.01% 1319
2013
Q3
$622K Sell
16,559
-13,975
-46% -$417K ﹤0.01% 1696
2013
Q2
$820K Buy
+30,534
New +$649K ﹤0.01% 1483

Other funds holding IONS

Bank of Montreal's IONS Position: Q1 2026 in Review

Bank of Montreal reduced its Ionis Pharmaceuticals (IONS) stake by 27% in Q1 2026, selling an estimated $772K and leaving 26,585 shares worth $2M. The position accounts for ﹤0.01% of the portfolio, ranked #1669.

Bank of Montreal first reported a position in IONS in Q2 2013 and has held it in 52 quarters since. The position peaked at $48.9M in Q3 2025. 494 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

  • Bank of Montreal held 26,585 shares of Ionis Pharmaceuticals worth $2M as of Q1 2026.
  • Bank of Montreal sold 9,777 Ionis Pharmaceuticals shares in Q1 2026, an estimated $772K.
  • Ionis Pharmaceuticals made up ﹤0.01% of Bank of Montreal's portfolio in Q1 2026, its #1669 holding.
  • Bank of Montreal first reported a position in Ionis Pharmaceuticals in Q2 2013 and has held it in 52 quarters since.
  • Bank of Montreal's Ionis Pharmaceuticals position peaked at $48.9M in Q3 2025.
  • 494 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Bank of Montreal's 13F filing for Q1 2026, filed 13 May 2026.