Aberdeen Group’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$19.7M Buy
156,755
+9,942
+7% +$1.25M 0.03% 411
2025
Q1
$20M Sell
146,813
-396,597
-73% -$54M 0.04% 390
2024
Q4
$82M Sell
543,410
-25,100
-4% -$3.79M 0.15% 143
2024
Q3
$110M Buy
568,510
+33,333
+6% +$6.46M 0.2% 116
2024
Q2
$124M Buy
535,177
+79,313
+17% +$18.4M 0.24% 91
2024
Q1
$98.3M Buy
455,864
+18,789
+4% +$4.05M 0.19% 120
2023
Q4
$113M Buy
437,075
+307,532
+237% +$79.6M 0.25% 95
2023
Q3
$33.3M Buy
129,543
+6,664
+5% +$1.71M 0.09% 216
2023
Q2
$35M Buy
122,879
+8,372
+7% +$2.38M 0.08% 230
2023
Q1
$31.8M Buy
114,507
+10,174
+10% +$2.83M 0.08% 250
2022
Q4
$28.9M Buy
104,333
+6,597
+7% +$1.83M 0.08% 267
2022
Q3
$26.1M Buy
97,736
+38,598
+65% +$10.3M 0.08% 274
2022
Q2
$12.1M Buy
59,138
+5,331
+10% +$1.1M 0.04% 382
2022
Q1
$11.4M Sell
53,807
-11,238
-17% -$2.37M 0.03% 420
2021
Q4
$15.6M Sell
65,045
-1,936
-3% -$464K 0.03% 398
2021
Q3
$19.1M Buy
66,981
+2,317
+4% +$661K 0.04% 360
2021
Q2
$22.4M Sell
64,664
-3,451
-5% -$1.2M 0.05% 333
2021
Q1
$19.1M Buy
68,115
+7,506
+12% +$2.1M 0.04% 354
2020
Q4
$14.8M Sell
60,609
-14,557
-19% -$3.56M 0.04% 376
2020
Q3
$21.3M Sell
75,166
-11,940
-14% -$3.39M 0.06% 277
2020
Q2
$23.3M Sell
87,106
-23,656
-21% -$6.33M 0.06% 272
2020
Q1
$35M Sell
110,762
-11,458
-9% -$3.63M 0.11% 155
2019
Q4
$36.3M Sell
122,220
-6,567
-5% -$1.95M 0.09% 198
2019
Q3
$30M Sell
128,787
-89,720
-41% -$20.9M 0.07% 233
2019
Q2
$51.1M Buy
218,507
+6,390
+3% +$1.49M 0.11% 160
2019
Q1
$50.1M Buy
212,117
+73,982
+54% +$17.5M 0.11% 169
2018
Q4
$40.7M Buy
138,135
+13,168
+11% +$3.88M 0.1% 187
2018
Q3
$44.2M Buy
124,967
+8,097
+7% +$2.86M 0.08% 231
2018
Q2
$33.9M Buy
116,870
+10,512
+10% +$3.05M 0.07% 277
2018
Q1
$29.1M Sell
106,358
-2,071
-2% -$567K 0.06% 292
2017
Q4
$34.5M Sell
108,429
-5,191
-5% -$1.65M 0.07% 261
2017
Q3
$35.6M Buy
+113,620
New +$35.6M 0.06% 256