Northwestern Mutual Wealth Management’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$1.29M Buy
7,046
+462
+7% +$85.1K ﹤0.01% 1252
2025
Q4
$1.16M Buy
6,584
+654
+11% +$107K ﹤0.01% 1244
2025
Q3
$831K Buy
5,930
+127
+2% +$17.2K ﹤0.01% 1296
2025
Q2
$729K Buy
5,803
+271
+5% +$33.8K ﹤0.01% 1260
2025
Q1
$757K Buy
5,532
+177
+3% +$25.3K ﹤0.01% 1193
2024
Q4
$819K Sell
5,355
-1,314
-20% -$222K ﹤0.01% 1135
2024
Q3
$1.29M Sell
6,669
-640
-9% -$134K ﹤0.01% 978
2024
Q2
$1.69M Buy
7,309
+543
+8% +$118K ﹤0.01% 866
2024
Q1
$1.46M Sell
6,766
-548
-7% -$128K ﹤0.01% 886
2023
Q4
$1.89M Buy
7,314
+134
+2% +$32.9K ﹤0.01% 783
2023
Q3
$1.85M Sell
7,180
-1,922
-21% -$514K ﹤0.01% 749
2023
Q2
$2.59M Buy
9,102
+2,373
+35% +$706K ﹤0.01% 647
2023
Q1
$1.87M Buy
6,729
+268
+4% +$74.2K ﹤0.01% 704
2022
Q4
$1.79M Buy
6,461
+11
+0.2% +$3.11K ﹤0.01% 693
2022
Q3
$1.72M Buy
6,450
+71
+1% +$15.1K ﹤0.01% 667
2022
Q2
$1.3M Buy
6,379
+516
+9% +$105K ﹤0.01% 741
2022
Q1
$1.23M Buy
5,863
+1,111
+23% +$242K ﹤0.01% 780
2021
Q4
$1.14M Sell
4,752
-541
-10% -$139K ﹤0.01% 779
2021
Q3
$1.5M Sell
5,293
-37
-0.7% -$12.1K ﹤0.01% 645
2021
Q2
$1.85M Sell
5,330
-9,774
-65% -$2.96M ﹤0.01% 579
2021
Q1
$4.23M Buy
15,104
+2,531
+20% +$683K 0.01% 372
2020
Q4
$3.08M Buy
12,573
+1,725
+16% +$445K 0.01% 398
2020
Q3
$3.08M Buy
10,848
+3,507
+48% +$978K 0.01% 360
2020
Q2
$1.96M Buy
7,341
+2,505
+52% +$753K 0.01% 410
2020
Q1
$1.53M Sell
4,836
-303
-6% -$92K 0.01% 408
2019
Q4
$1.53M Sell
5,139
-2,101
-29% -$583K 0.01% 441
2019
Q3
$1.69M Sell
7,240
-568
-7% -$132K 0.01% 408
2019
Q2
$1.83M Sell
7,808
-3,095
-28% -$715K 0.01% 385
2019
Q1
$2.58M Sell
10,903
-20,428
-65% -$6.43M 0.01% 327
2018
Q4
$9.43M Buy
31,331
+65
+0.2% +$20.7K 0.05% 169
2018
Q3
$11M Buy
31,266
+700
+2% +$241K 0.06% 162
2018
Q2
$8.87M Sell
30,566
-219
-0.7% -$61.6K 0.05% 174
2018
Q1
$8.43M Buy
30,785
+627
+2% +$195K 0.05% 171
2017
Q4
$9.61M Buy
30,158
+9
+0% +$2.89K 0.06% 155
2017
Q3
$9.44M Buy
30,149
+1,954
+7% +$579K 0.07% 149
2017
Q2
$7.65M Buy
28,195
+2,173
+8% +$575K 0.06% 156
2017
Q1
$7.12M Buy
26,022
+12,932
+99% +$3.66M 0.06% 151
2016
Q4
$3.71M Buy
13,090
+6,252
+91% +$1.85M 0.04% 193
2016
Q3
$2.14M Buy
6,838
+2,334
+52% +$691K 0.14% 95
2016
Q2
$1.09M Buy
4,504
+1,220
+37% +$322K 0.02% 297
2016
Q1
$855K Buy
3,284
+279
+9% +$73.7K 0.01% 303
2015
Q4
$921K Buy
3,005
+1,207
+67% +$347K 0.02% 270
2015
Q3
$525K Buy
1,798
+69
+4% +$22.8K 0.01% 325
2015
Q2
$698K Buy
1,729
+393
+29% +$158K 0.02% 283
2015
Q1
$565K Buy
1,336
+668
+100% +$263K 0.02% 303
2014
Q4
$227K Buy
668
+99
+17% +$32K 0.01% 406
2014
Q3
$188K Sell
569
-75
-12% -$24.7K 0.01% 413
2014
Q2
$203K Buy
644
+20
+3% +$6.02K 0.01% 392
2014
Q1
$191K Sell
624
-227
-27% -$72.1K 0.01% 392
2013
Q4
$238K Buy
851
+170
+25% +$44K 0.01% 355
2013
Q3
$164K Buy
681
+73
+12% +$16.3K 0.01% 389
2013
Q2
$130K Buy
+608
New +$130K 0.01% 399

Other funds holding BIIB

Northwestern Mutual Wealth Management's BIIB Position: Q1 2026 in Review

Northwestern Mutual Wealth Management increased its Biogen (BIIB) stake by 7% in Q1 2026, buying an estimated $85.1K and bringing the position to 7,046 shares worth $1.29M. The position accounts for ﹤0.01% of the portfolio, ranked #1252.

Northwestern Mutual Wealth Management first reported a position in BIIB in Q2 2013 and has held it in 52 quarters since. The position peaked at $11M in Q3 2018. 1,004 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Northwestern Mutual Wealth Management held 7,046 shares of Biogen worth $1.29M as of Q1 2026.
  • Northwestern Mutual Wealth Management bought 462 Biogen shares in Q1 2026, an estimated $85.1K.
  • Biogen made up ﹤0.01% of Northwestern Mutual Wealth Management's portfolio in Q1 2026, its #1252 holding.
  • Northwestern Mutual Wealth Management first reported a position in Biogen in Q2 2013 and has held it in 52 quarters since.
  • Northwestern Mutual Wealth Management's Biogen position peaked at $11M in Q3 2018.
  • 1,004 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Northwestern Mutual Wealth Management's 13F filing for Q1 2026, filed 7 May 2026.