GCP
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GSA Capital Partners’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
Sell
-2,963
Closed -$405K 1756
2025
Q1
$405K Sell
2,963
-11,483
-79% -$1.57M 0.04% 944
2024
Q4
$2.21M Buy
14,446
+10,039
+228% +$1.54M 0.16% 66
2024
Q3
$854K Buy
4,407
+1,359
+45% +$263K 0.06% 574
2024
Q2
$707K Sell
3,048
-75
-2% -$17.4K 0.05% 746
2024
Q1
$673K Buy
3,123
+1,652
+112% +$356K 0.05% 704
2023
Q4
$381K Buy
+1,471
New +$381K 0.03% 974
2023
Q1
Sell
-5,316
Closed -$1.47M 1494
2022
Q4
$1.47M Buy
+5,316
New +$1.47M 0.18% 71
2022
Q3
Sell
-3,136
Closed -$640K 1519
2022
Q2
$640K Sell
3,136
-774
-20% -$158K 0.1% 353
2022
Q1
$823K Buy
+3,910
New +$823K 0.11% 258
2020
Q1
Sell
-2,796
Closed -$830K 1071
2019
Q4
$830K Sell
2,796
-2,425
-46% -$720K 0.1% 306
2019
Q3
$1.22M Sell
5,221
-8,579
-62% -$2M 0.16% 98
2019
Q2
$3.23M Sell
13,800
-12,505
-48% -$2.92M 0.36% 11
2019
Q1
$6.22M Buy
26,305
+21,325
+428% +$5.04M 0.63% 1
2018
Q4
$1.5M Buy
4,980
+137
+3% +$41.2K 0.17% 101
2018
Q3
$1.71M Sell
4,843
-5,297
-52% -$1.87M 0.09% 328
2018
Q2
$2.94M Buy
10,140
+4,138
+69% +$1.2M 0.15% 121
2018
Q1
$1.64M Sell
6,002
-8,131
-58% -$2.23M 0.09% 395
2017
Q4
$4.5M Buy
14,133
+11,845
+518% +$3.77M 0.27% 23
2017
Q3
$716K Buy
2,288
+930
+68% +$291K 0.05% 732
2017
Q2
$369K Sell
1,358
-11,352
-89% -$3.08M 0.02% 1158
2017
Q1
$3.48M Buy
12,710
+5,018
+65% +$1.37M 0.19% 70
2016
Q4
$2.18M Sell
7,692
-499
-6% -$141K 0.13% 182
2016
Q3
$2.56M Buy
8,191
+4,235
+107% +$1.33M 0.14% 154
2016
Q2
$957K Sell
3,956
-14,682
-79% -$3.55M 0.05% 658
2016
Q1
$4.85M Buy
18,638
+12,321
+195% +$3.21M 0.31% 7
2015
Q4
$1.94M Sell
6,317
-18,975
-75% -$5.81M 0.09% 273
2015
Q3
$7.38M Buy
25,292
+17,620
+230% +$5.14M 0.36% 22
2015
Q2
$3.1M Sell
7,672
-6,784
-47% -$2.74M 0.12% 163
2015
Q1
$6.1M Buy
14,456
+6,140
+74% +$2.59M 0.24% 28
2014
Q4
$2.82M Sell
8,316
-5,667
-41% -$1.92M 0.2% 62
2014
Q3
$4.63M Buy
+13,983
New +$4.63M 0.24% 70
2014
Q2
Sell
-5,278
Closed -$1.61M 1805
2014
Q1
$1.61M Sell
5,278
-9,892
-65% -$3.02M 0.11% 172
2013
Q4
$4.24M Buy
15,170
+11,225
+285% +$3.14M 0.34% 24
2013
Q3
$950K Sell
3,945
-1,886
-32% -$454K 0.08% 376
2013
Q2
$1.26M Buy
+5,831
New +$1.26M 0.15% 156