Hudson Bay Capital Management’s Ionis Pharmaceuticals IONS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$29.6M Sell
750,000
-299,900
-29% -$11.8M 0.1% 105
2025
Q1
$31.7M Buy
1,049,900
+228,700
+28% +$6.9M 0.1% 99
2024
Q4
$28.7M Buy
821,200
+54,300
+7% +$1.9M 0.1% 116
2024
Q3
$30.7M Buy
766,900
+400,900
+110% +$16.1M 0.12% 75
2024
Q2
$17.4M Buy
366,000
+30,500
+9% +$1.45M 0.08% 99
2024
Q1
$14.5M Buy
335,500
+190,500
+131% +$8.26M 0.08% 102
2023
Q4
$7.34M Sell
145,000
-45,000
-24% -$2.28M 0.05% 200
2023
Q3
$8.62M Sell
190,000
-85,000
-31% -$3.86M 0.07% 156
2023
Q2
$11.3M Sell
275,000
-30,800
-10% -$1.26M 0.08% 123
2023
Q1
$10.9M Buy
305,800
+80,800
+36% +$2.89M 0.09% 125
2022
Q4
$8.5M Buy
225,000
+25,200
+13% +$952K 0.09% 193
2022
Q3
$8.84M Buy
199,800
+14,800
+8% +$655K 0.08% 187
2022
Q2
$6.85M Sell
185,000
-25,000
-12% -$926K 0.05% 269
2022
Q1
$7.78M Sell
210,000
-95,000
-31% -$3.52M 0.11% 198
2021
Q4
$9.28M Buy
305,000
+40,000
+15% +$1.22M 0.09% 147
2021
Q3
$8.89M Buy
265,000
+80,000
+43% +$2.68M 0.12% 157
2021
Q2
$7.38M Buy
185,000
+54,600
+42% +$2.18M 0.09% 200
2021
Q1
$5.86M Sell
130,400
-29,600
-19% -$1.33M 0.07% 237
2020
Q4
$9.05M Buy
160,000
+35,000
+28% +$1.98M 0.1% 120
2020
Q3
$5.93M Sell
125,000
-15,000
-11% -$712K 0.09% 194
2020
Q2
$8.25M Buy
140,000
+95,000
+211% +$5.6M 0.14% 117
2020
Q1
$2.13M Buy
45,000
+15,000
+50% +$709K 0.05% 250
2019
Q4
$1.81M Buy
+30,000
New +$1.81M 0.04% 275
2018
Q4
Sell
-40,000
Closed -$2.06M 511
2018
Q3
$2.06M Sell
40,000
-70,000
-64% -$3.61M 0.03% 280
2018
Q2
$4.58M Buy
110,000
+50,000
+83% +$2.08M 0.06% 165
2018
Q1
$2.65M Buy
+60,000
New +$2.65M 0.05% 217