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O'Shaughnessy Asset Management’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$3.56M Buy
28,312
+25,836
+1,043% +$3.24M 0.02% 575
2025
Q1
$339K Buy
2,476
+806
+48% +$110K ﹤0.01% 1516
2024
Q4
$255K Sell
1,670
-1,926
-54% -$295K ﹤0.01% 1618
2024
Q3
$689K Sell
3,596
-1,236
-26% -$237K 0.01% 1070
2024
Q2
$1.12M Buy
4,832
+892
+23% +$207K 0.01% 808
2024
Q1
$849K Buy
3,940
+188
+5% +$40.5K 0.01% 876
2023
Q4
$971K Sell
3,752
-1,451
-28% -$375K 0.01% 765
2023
Q3
$1.34M Buy
5,203
+58
+1% +$14.9K 0.02% 597
2023
Q2
$1.47M Buy
5,145
+249
+5% +$70.9K 0.02% 535
2023
Q1
$1.36M Sell
4,896
-278
-5% -$77.3K 0.02% 558
2022
Q4
$1.43M Sell
5,174
-42,734
-89% -$11.8M 0.02% 500
2022
Q3
$12.8M Sell
47,908
-27,024
-36% -$7.22M 0.24% 112
2022
Q2
$15.3M Buy
74,932
+12,938
+21% +$2.64M 0.28% 105
2022
Q1
$13.1M Sell
61,994
-20,318
-25% -$4.28M 0.22% 123
2021
Q4
$19.7M Sell
82,312
-6,989
-8% -$1.68M 0.35% 82
2021
Q3
$25.3M Sell
89,301
-4,291
-5% -$1.21M 0.52% 54
2021
Q2
$32.4M Sell
93,592
-39,445
-30% -$13.7M 0.64% 41
2021
Q1
$37.2M Sell
133,037
-17,007
-11% -$4.76M 0.82% 26
2020
Q4
$36.7M Sell
150,044
-76,081
-34% -$18.6M 1% 22
2020
Q3
$64.2M Buy
226,125
+93,321
+70% +$26.5M 1.92% 13
2020
Q2
$35.5M Buy
132,804
+28,631
+27% +$7.66M 1.1% 29
2020
Q1
$33M Buy
104,173
+83,432
+402% +$26.4M 1.16% 30
2019
Q4
$6.15M Buy
20,741
+20,734
+296,200% +$6.15M 0.14% 112
2019
Q3
$2K Buy
7
+6
+600% +$1.71K ﹤0.01% 854
2019
Q2
$0 Buy
+1
New ﹤0.01% 978
2015
Q2
Sell
-18
Closed -$8K 977
2015
Q1
$8K Sell
18
-10,032
-100% -$4.46M ﹤0.01% 761
2014
Q4
$3.41M Sell
10,050
-2,048
-17% -$695K 0.07% 186
2014
Q3
$4M Sell
12,098
-10,252
-46% -$3.39M 0.07% 178
2014
Q2
$7.05M Sell
22,350
-3,530
-14% -$1.11M 0.13% 133
2014
Q1
$7.92M Buy
25,880
+3,708
+17% +$1.13M 0.16% 115
2013
Q4
$6.2M Buy
22,172
+756
+4% +$211K 0.13% 127
2013
Q3
$5.16M Buy
21,416
+12,741
+147% +$3.07M 0.12% 126
2013
Q2
$1.87M Buy
+8,675
New +$1.87M 0.05% 245