Hudson Bay Capital Management’s Biogen BIIB Stock Holding History
| Quarter | Market Value | Status | Shares |
Shares Change % | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | $33.6M | Buy |
267,740
+67,220
| +34% | +$8.44M | 0.11% | 93 |
|
|
2025
Q1 | $27.4M | Sell |
200,520
-40,488
| -17% | -$5.54M | 0.08% | 115 |
|
|
2024
Q4 | $36.9M | Sell |
241,008
-58,992
| -20% | -$9.02M | 0.13% | 95 |
|
|
2024
Q3 | $58.2M | Buy |
300,000
+105,000
| +54% | +$20.4M | 0.24% | 43 |
|
|
2024
Q2 | $45.2M | Sell |
195,000
-30,000
| -13% | -$6.95M | 0.21% | 47 |
|
|
2024
Q1 | $48.5M | Buy |
225,000
+90,000
| +67% | +$19.4M | 0.27% | 38 |
|
|
2023
Q4 | $34.9M | Buy |
135,000
+52,500
| +64% | +$13.6M | 0.22% | 55 |
|
|
2023
Q3 | $21.2M | Buy |
82,500
+25,000
| +43% | +$6.43M | 0.17% | 73 |
|
|
2023
Q2 | $16.4M | Sell |
57,500
-51,806
| -47% | -$14.8M | 0.12% | 88 |
|
|
2023
Q1 | $30.4M | Buy |
109,306
+56,806
| +108% | +$15.8M | 0.25% | 57 |
|
|
2022
Q4 | $14.5M | Buy |
52,500
+5,000
| +11% | +$1.38M | 0.15% | 103 |
|
|
2022
Q3 | $12.7M | Buy |
47,500
+22,500
| +90% | +$6.01M | 0.11% | 107 |
|
|
2022
Q2 | $5.1M | Buy |
25,000
+10,000
| +67% | +$2.04M | 0.04% | 382 |
|
|
2022
Q1 | $3.16M | Sell |
15,000
-29,000
| -66% | -$6.11M | 0.04% | 539 |
|
|
2021
Q4 | $10.6M | Buy |
44,000
+24,000
| +120% | +$5.76M | 0.11% | 114 |
|
|
2021
Q3 | $5.66M | Buy |
20,000
+5,000
| +33% | +$1.42M | 0.08% | 280 |
|
|
2021
Q2 | $5.19M | Buy |
+15,000
| New | +$5.19M | 0.06% | 311 |
|
|
2021
Q1 | – | Sell |
-20,000
| Closed | -$4.9M | – | 845 |
|
|
2020
Q4 | $4.9M | Sell |
20,000
-30,000
| -60% | -$7.35M | 0.05% | 233 |
|
|
2020
Q3 | $14.2M | Buy |
50,000
+2,500
| +5% | +$709K | 0.21% | 76 |
|
|
2020
Q2 | $12.7M | Buy |
47,500
+37,500
| +375% | +$10M | 0.22% | 67 |
|
|
2020
Q1 | $3.16M | Buy |
+10,000
| New | +$3.16M | 0.08% | 199 |
|
|
2019
Q3 | – | Sell |
-7,500
| Closed | -$1.75M | – | 384 |
|
|
2019
Q2 | $1.75M | Sell |
7,500
-26,300
| -78% | -$6.15M | 0.04% | 259 |
|
|
2019
Q1 | $7.99M | Buy |
33,800
+19,100
| +130% | +$4.52M | 0.1% | 99 |
|
|
2018
Q4 | $4.42M | Sell |
14,700
-15,300
| -51% | -$4.6M | 0.06% | 182 |
|
|
2018
Q3 | $10.6M | Hold |
30,000
| – | – | 0.13% | 61 |
|
|
2018
Q2 | $8.71M | Sell |
30,000
-10,000
| -25% | -$2.9M | 0.12% | 76 |
|
|
2018
Q1 | $11M | Buy |
40,000
+25,000
| +167% | +$6.85M | 0.23% | 51 |
|
|
2017
Q4 | $4.78M | Hold |
15,000
| – | – | 0.1% | 119 |
|
|
2017
Q3 | $4.7M | Sell |
15,000
-20,000
| -57% | -$6.26M | 0.12% | 111 |
|
|
2017
Q2 | $9.5M | Buy |
+35,000
| New | +$9.5M | 0.19% | 61 |
|
|
2017
Q1 | – | Sell |
-71,402
| Closed | -$20.2M | – | 410 |
|
|
2016
Q4 | $20.2M | Sell |
71,402
-36,907
| -34% | -$10.5M | 0.42% | 20 |
|
|
2016
Q3 | $33.9M | Buy |
+108,309
| New | +$33.9M | 0.82% | 6 |
|