Public Sector Pension Investment Board (PSP Investments)
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Public Sector Pension Investment Board (PSP Investments)’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$1.41M Sell
11,252
-8,855
-44% -$1.11M 0.01% 1140
2025
Q1
$2.75M Buy
20,107
+1,745
+10% +$239K 0.01% 969
2024
Q4
$2.81M Buy
18,362
+12,001
+189% +$1.84M 0.01% 903
2024
Q3
$1.23M Buy
6,361
+700
+12% +$136K 0.01% 1045
2024
Q2
$1.31M Buy
5,661
+2,465
+77% +$571K 0.01% 977
2024
Q1
$689K Sell
3,196
-100
-3% -$21.6K ﹤0.01% 1072
2023
Q4
$853K Sell
3,296
-12,254
-79% -$3.17M 0.01% 1048
2023
Q3
$4M Buy
15,550
+1,690
+12% +$434K 0.03% 405
2023
Q2
$3.95M Sell
13,860
-1,984
-13% -$565K 0.03% 507
2023
Q1
$4.41M Sell
15,844
-2,147
-12% -$597K 0.03% 458
2022
Q4
$4.98M Buy
17,991
+2,344
+15% +$649K 0.04% 416
2022
Q3
$4.18M Buy
15,647
+1,610
+11% +$430K 0.04% 432
2022
Q2
$2.86M Sell
14,037
-6,509
-32% -$1.33M 0.02% 581
2022
Q1
$4.33M Sell
20,546
-3,960
-16% -$834K 0.03% 538
2021
Q4
$5.88M Sell
24,506
-53,473
-69% -$12.8M 0.03% 479
2021
Q3
$22.1M Buy
77,979
+54,373
+230% +$15.4M 0.13% 137
2021
Q2
$8.17M Buy
23,606
+9,200
+64% +$3.19M 0.05% 304
2021
Q1
$4.03M Buy
14,406
+1,957
+16% +$547K 0.03% 573
2020
Q4
$3.05M Sell
12,449
-7,041
-36% -$1.72M 0.02% 666
2020
Q3
$5.53M Buy
19,490
+3,333
+21% +$946K 0.04% 359
2020
Q2
$4.32M Sell
16,157
-1,919
-11% -$513K 0.04% 409
2020
Q1
$5.72M Sell
18,076
-13,240
-42% -$4.19M 0.07% 232
2019
Q4
$9.29M Sell
31,316
-4,460
-12% -$1.32M 0.06% 299
2019
Q3
$8.33M Buy
35,776
+10,448
+41% +$2.43M 0.06% 294
2019
Q2
$5.92M Sell
25,328
-12,600
-33% -$2.95M 0.05% 343
2019
Q1
$8.97M Buy
37,928
+20,200
+114% +$4.77M 0.08% 179
2018
Q4
$5.34M Buy
17,728
+8,300
+88% +$2.5M 0.05% 263
2018
Q3
$3.33M Sell
9,428
-7,100
-43% -$2.51M 0.02% 391
2018
Q2
$4.8M Buy
16,528
+300
+2% +$87.1K 0.03% 253
2018
Q1
$4.44M Sell
16,228
-7,500
-32% -$2.05M 0.03% 240
2017
Q4
$7.56M Sell
23,728
-30,000
-56% -$9.56M 0.05% 241
2017
Q3
$16.8M Buy
53,728
+29,298
+120% +$9.17M 0.07% 146
2017
Q2
$6.63M Sell
24,430
-24,700
-50% -$6.7M 0.06% 223
2017
Q1
$13.4M Buy
49,130
+1,000
+2% +$273K 0.12% 166
2016
Q4
$13.6M Sell
48,130
-1,000
-2% -$284K 0.13% 160
2016
Q3
$15.4M Buy
49,130
+7,600
+18% +$2.38M 0.16% 127
2016
Q2
$10M Buy
41,530
+6,200
+18% +$1.5M 0.11% 173
2016
Q1
$9.2M Sell
35,330
-21,600
-38% -$5.62M 0.1% 166
2015
Q4
$17.4M Sell
56,930
-5,000
-8% -$1.53M 0.14% 120
2015
Q3
$18.1M Sell
61,930
-19,000
-23% -$5.54M 0.16% 116
2015
Q2
$32.7M Sell
80,930
-500
-0.6% -$202K 0.24% 86
2015
Q1
$34.4M Buy
81,430
+1,456
+2% +$615K 0.25% 83
2014
Q4
$27.1M Sell
79,974
-7,100
-8% -$2.41M 0.18% 109
2014
Q3
$28.8M Sell
87,074
-2,200
-2% -$728K 0.19% 105
2014
Q2
$28.1M Buy
89,274
+2,684
+3% +$846K 0.17% 112
2014
Q1
$26.5M Sell
86,590
-1,200
-1% -$367K 0.17% 109
2013
Q4
$24.6M Buy
87,790
+8,600
+11% +$2.41M 0.15% 114
2013
Q3
$19.1M Sell
79,190
-2,500
-3% -$602K 0.12% 127
2013
Q2
$17.6M Buy
+81,690
New +$17.6M 0.14% 132