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

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$5.23M Buy
24,211
+419
+2% +$80.2K 0.01% 954
2026
Q1
$4.36M Buy
23,792
+4,602
+24% +$848K 0.01% 955
2025
Q4
$3.38M Buy
19,190
+6,344
+49% +$1.04M 0.01% 1021
2025
Q3
$1.8M Buy
12,846
+1,594
+14% +$215K 0.01% 1146
2025
Q2
$1.41M Sell
11,252
-8,855
-44% -$1.1M 0.01% 1145
2025
Q1
$2.75M Buy
20,107
+1,745
+10% +$249K 0.01% 970
2024
Q4
$2.81M Buy
18,362
+12,001
+189% +$2.02M 0.01% 904
2024
Q3
$1.23M Buy
6,361
+700
+12% +$146K 0.01% 1047
2024
Q2
$1.31M Buy
5,661
+2,465
+77% +$536K 0.01% 980
2024
Q1
$689K Sell
3,196
-100
-3% -$23.4K ﹤0.01% 1073
2023
Q4
$853K Sell
3,296
-12,254
-79% -$3.01M 0.01% 1055
2023
Q3
$4M Buy
15,550
+1,690
+12% +$452K 0.03% 410
2023
Q2
$3.95M Sell
13,860
-1,984
-13% -$591K 0.03% 515
2023
Q1
$4.41M Sell
15,844
-2,147
-12% -$594K 0.03% 466
2022
Q4
$4.98M Buy
17,991
+2,344
+15% +$662K 0.04% 423
2022
Q3
$4.18M Buy
15,647
+1,610
+11% +$342K 0.04% 437
2022
Q2
$2.86M Sell
14,037
-6,509
-32% -$1.33M 0.02% 591
2022
Q1
$4.33M Sell
20,546
-3,960
-16% -$861K 0.03% 545
2021
Q4
$5.88M Sell
24,506
-53,473
-69% -$13.7M 0.03% 486
2021
Q3
$22.1M Buy
77,979
+54,373
+230% +$17.8M 0.13% 144
2021
Q2
$8.17M Buy
23,606
+9,200
+64% +$2.79M 0.05% 321
2021
Q1
$4.03M Buy
14,406
+1,957
+16% +$528K 0.03% 591
2020
Q4
$3.05M Sell
12,449
-7,041
-36% -$1.82M 0.02% 682
2020
Q3
$5.53M Buy
19,490
+3,333
+21% +$930K 0.04% 375
2020
Q2
$4.32M Sell
16,157
-1,919
-11% -$577K 0.04% 427
2020
Q1
$5.72M Sell
18,076
-13,240
-42% -$4.02M 0.07% 249
2019
Q4
$9.29M Sell
31,316
-4,460
-12% -$1.24M 0.06% 317
2019
Q3
$8.33M Buy
35,776
+10,448
+41% +$2.43M 0.06% 312
2019
Q2
$5.92M Sell
25,328
-12,600
-33% -$2.91M 0.05% 362
2019
Q1
$8.96M Buy
37,928
+20,200
+114% +$6.36M 0.08% 204
2018
Q4
$5.33M Buy
17,728
+8,300
+88% +$2.65M 0.05% 310
2018
Q3
$3.33M Sell
9,428
-7,100
-43% -$2.44M 0.02% 454
2018
Q2
$4.8M Buy
16,528
+300
+2% +$84.3K 0.03% 324
2018
Q1
$4.44M Sell
16,228
-7,500
-32% -$2.33M 0.03% 292
2017
Q4
$7.56M Sell
23,728
-30,000
-56% -$9.62M 0.05% 286
2017
Q3
$16.8M Buy
53,728
+29,298
+120% +$8.68M 0.07% 177
2017
Q2
$6.63M Sell
24,430
-24,700
-50% -$6.53M 0.06% 263
2017
Q1
$13.4M Buy
49,130
+1,000
+2% +$283K 0.12% 180
2016
Q4
$13.6M Sell
48,130
-1,000
-2% -$296K 0.13% 172
2016
Q3
$15.4M Buy
49,130
+7,600
+18% +$2.25M 0.16% 137
2016
Q2
$10M Buy
41,530
+6,200
+18% +$1.63M 0.11% 186
2016
Q1
$9.2M Sell
35,330
-21,600
-38% -$5.71M 0.1% 174
2015
Q4
$17.4M Sell
56,930
-5,000
-8% -$1.44M 0.14% 136
2015
Q3
$18.1M Sell
61,930
-19,000
-23% -$6.27M 0.16% 130
2015
Q2
$32.7M Sell
80,930
-500
-0.6% -$201K 0.24% 96
2015
Q1
$34.4M Buy
81,430
+1,456
+2% +$574K 0.25% 86
2014
Q4
$27.1M Sell
79,974
-7,100
-8% -$2.3M 0.18% 121
2014
Q3
$28.8M Sell
87,074
-2,200
-2% -$725K 0.19% 116
2014
Q2
$28.1M Buy
89,274
+2,684
+3% +$808K 0.17% 127
2014
Q1
$26.5M Sell
86,590
-1,200
-1% -$381K 0.17% 117
2013
Q4
$24.6M Buy
87,790
+8,600
+11% +$2.22M 0.15% 131
2013
Q3
$19.1M Sell
79,190
-2,500
-3% -$560K 0.12% 150
2013
Q2
$17.6M Buy
+81,690
New +$17.5M 0.14% 145

Other funds holding BIIB

Public Sector Pension Investment Board (PSP Investments)'s BIIB Position: Q2 2026 in Review

Public Sector Pension Investment Board (PSP Investments) increased its Biogen (BIIB) stake by 1.8% in Q2 2026, buying an estimated $80.2K and bringing the position to 24,211 shares worth $5.23M. The position accounts for 0.01% of the portfolio, ranked #954.

Public Sector Pension Investment Board (PSP Investments) first reported a position in BIIB in Q2 2013 and has held it in 53 quarters since. The position peaked at $34.4M in Q1 2015. 1,036 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Public Sector Pension Investment Board (PSP Investments) held 24,211 shares of Biogen worth $5.23M as of Q2 2026.
  • Public Sector Pension Investment Board (PSP Investments) bought 419 Biogen shares in Q2 2026, an estimated $80.2K.
  • Biogen made up 0.01% of Public Sector Pension Investment Board (PSP Investments)'s portfolio in Q2 2026, its #954 holding.
  • Public Sector Pension Investment Board (PSP Investments) first reported a position in Biogen in Q2 2013 and has held it in 53 quarters since.
  • Public Sector Pension Investment Board (PSP Investments)'s Biogen position peaked at $34.4M in Q1 2015.
  • 1,036 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Public Sector Pension Investment Board (PSP Investments)'s 13F filing for Q2 2026, filed 13 Aug 2026.