Northwestern Mutual Investment Management Company’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$587K Buy
4,674
+18
+0.4% +$2.26K 0.01% 728
2025
Q1
$637K Buy
4,656
+30
+0.6% +$4.11K 0.01% 702
2024
Q4
$707K Buy
4,626
+10
+0.2% +$1.53K 0.02% 676
2024
Q3
$895K Sell
4,616
-18
-0.4% -$3.49K 0.02% 610
2024
Q2
$1.07M Buy
4,634
+36
+0.8% +$8.35K 0.03% 508
2024
Q1
$991K Buy
4,598
+12
+0.3% +$2.59K 0.03% 543
2023
Q4
$1.19M Buy
4,586
+15
+0.3% +$3.88K 0.03% 430
2023
Q3
$1.17M Buy
4,571
+6
+0.1% +$1.54K 0.03% 381
2023
Q2
$1.3M Buy
4,565
+39
+0.9% +$11.1K 0.03% 350
2023
Q1
$1.26M Buy
4,526
+14
+0.3% +$3.89K 0.03% 331
2022
Q4
$1.25M Sell
4,512
-877
-16% -$243K 0.03% 186
2022
Q3
$1.44M Sell
5,389
-464
-8% -$124K 0.04% 189
2022
Q2
$1.19M Sell
5,853
-648
-10% -$132K 0.03% 291
2022
Q1
$1.37M Sell
6,501
-785
-11% -$165K 0.03% 317
2021
Q4
$1.75M Sell
7,286
-191
-3% -$45.8K 0.03% 278
2021
Q3
$2.12M Buy
7,477
+641
+9% +$181K 0.04% 194
2021
Q2
$2.37M Sell
6,836
-69
-1% -$23.9K 0.04% 171
2021
Q1
$1.93M Sell
6,905
-1,539
-18% -$431K 0.03% 191
2020
Q4
$2.07M Sell
8,444
-521
-6% -$128K 0.03% 299
2020
Q3
$2.4M Hold
8,965
0.03% 207
2020
Q2
$2.4M Sell
8,965
-442
-5% -$118K 0.03% 204
2020
Q1
$2.98M Buy
9,407
+2,398
+34% +$759K 0.05% 133
2019
Q4
$2.08M Sell
7,009
-15
-0.2% -$4.45K 0.04% 216
2019
Q3
$1.64M Sell
7,024
-331
-5% -$77K 0.04% 273
2019
Q2
$1.72M Sell
7,355
-22,536
-75% -$5.27M 0.04% 241
2019
Q1
$7.07M Sell
29,891
-472
-2% -$112K 0.13% 142
2018
Q4
$9.14M Sell
30,363
-4,888
-14% -$1.47M 0.15% 108
2018
Q3
$12.5M Sell
35,251
-5,157
-13% -$1.82M 0.19% 104
2018
Q2
$11.7M Buy
40,408
+1,899
+5% +$551K 0.17% 108
2018
Q1
$10.5M Sell
38,509
-9,248
-19% -$2.53M 0.18% 109
2017
Q4
$15.2M Buy
47,757
+353
+0.7% +$112K 0.25% 85
2017
Q3
$14.8M Sell
47,404
-1,615
-3% -$506K 0.24% 86
2017
Q2
$13.3M Buy
49,019
+5,376
+12% +$1.46M 0.22% 90
2017
Q1
$11.9M Buy
43,643
+18,660
+75% +$5.1M 0.21% 88
2016
Q4
$7.09M Buy
24,983
+3,305
+15% +$937K 0.14% 83
2016
Q3
$6.79M Buy
21,678
+13,322
+159% +$4.17M 0.14% 72
2016
Q2
$2.02M Buy
8,356
+6
+0.1% +$1.45K 0.04% 163
2016
Q1
$2.17M Sell
8,350
-118
-1% -$30.7K 0.05% 165
2015
Q4
$2.59M Sell
8,468
-234
-3% -$71.7K 0.05% 185
2015
Q3
$2.54M Buy
8,702
+27
+0.3% +$7.88K 0.05% 185
2015
Q2
$3.5M Buy
8,675
+111
+1% +$44.8K 0.07% 162
2015
Q1
$3.62M Buy
+8,564
New +$3.62M 0.07% 171