Northwestern Mutual Investment Management Company’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 | $1.02M | Buy |
4,734
+38
| +0.8% | +$7.27K | 0.01% | 601 |
|
|
2026
Q1 | $861K | Buy |
4,696
+9
| +0.2% | +$1.66K | 0.01% | 642 |
|
|
2025
Q4 | $825K | Buy |
4,687
+14
| +0.3% | +$2.29K | 0.01% | 655 |
|
|
2025
Q3 | $655K | Sell |
4,673
-1
| -0% | -$135 | 0.01% | 715 |
|
|
2025
Q2 | $587K | Buy |
4,674
+18
| +0.4% | +$2.24K | 0.01% | 728 |
|
|
2025
Q1 | $637K | Buy |
4,656
+30
| +0.6% | +$4.29K | 0.01% | 702 |
|
|
2024
Q4 | $707K | Buy |
4,626
+10
| +0.2% | +$1.69K | 0.02% | 676 |
|
|
2024
Q3 | $895K | Sell |
4,616
-18
| -0.4% | -$3.77K | 0.02% | 610 |
|
|
2024
Q2 | $1.07M | Buy |
4,634
+36
| +0.8% | +$7.82K | 0.03% | 508 |
|
|
2024
Q1 | $991K | Buy |
4,598
+12
| +0.3% | +$2.81K | 0.03% | 543 |
|
|
2023
Q4 | $1.19M | Buy |
4,586
+15
| +0.3% | +$3.68K | 0.03% | 430 |
|
|
2023
Q3 | $1.17M | Buy |
4,571
+6
| +0.1% | +$1.6K | 0.03% | 381 |
|
|
2023
Q2 | $1.3M | Buy |
4,565
+39
| +0.9% | +$11.6K | 0.03% | 350 |
|
|
2023
Q1 | $1.26M | Buy |
4,526
+14
| +0.3% | +$3.87K | 0.03% | 331 |
|
|
2022
Q4 | $1.25M | Sell |
4,512
-877
| -16% | -$248K | 0.03% | 186 |
|
|
2022
Q3 | $1.44M | Sell |
5,389
-464
| -8% | -$98.5K | 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% | -$171K | 0.03% | 317 |
|
|
2021
Q4 | $1.75M | Sell |
7,286
-191
| -3% | -$49.1K | 0.03% | 278 |
|
|
2021
Q3 | $2.12M | Buy |
7,477
+641
| +9% | +$210K | 0.04% | 194 |
|
|
2021
Q2 | $2.37M | Sell |
6,836
-69
| -1% | -$20.9K | 0.04% | 171 |
|
|
2021
Q1 | $1.93M | Sell |
6,905
-1,539
| -18% | -$415K | 0.03% | 191 |
|
|
2020
Q4 | $2.07M | Sell |
8,444
-521
| -6% | -$134K | 0.03% | 299 |
|
|
2020
Q3 | $2.4M | Hold |
8,965
| – | – | 0.03% | 207 |
|
|
2020
Q2 | $2.4M | Sell |
8,965
-442
| -5% | -$133K | 0.03% | 204 |
|
|
2020
Q1 | $2.98M | Buy |
9,407
+2,398
| +34% | +$728K | 0.05% | 133 |
|
|
2019
Q4 | $2.08M | Sell |
7,009
-15
| -0.2% | -$4.16K | 0.04% | 216 |
|
|
2019
Q3 | $1.64M | Sell |
7,024
-331
| -5% | -$77.1K | 0.04% | 273 |
|
|
2019
Q2 | $1.72M | Sell |
7,355
-22,536
| -75% | -$5.2M | 0.04% | 241 |
|
|
2019
Q1 | $7.07M | Sell |
29,891
-472
| -2% | -$149K | 0.13% | 142 |
|
|
2018
Q4 | $9.14M | Sell |
30,363
-4,888
| -14% | -$1.56M | 0.15% | 108 |
|
|
2018
Q3 | $12.5M | Sell |
35,251
-5,157
| -13% | -$1.78M | 0.19% | 104 |
|
|
2018
Q2 | $11.7M | Buy |
40,408
+1,899
| +5% | +$534K | 0.17% | 108 |
|
|
2018
Q1 | $10.5M | Sell |
38,509
-9,248
| -19% | -$2.87M | 0.18% | 109 |
|
|
2017
Q4 | $15.2M | Buy |
47,757
+353
| +0.7% | +$113K | 0.25% | 85 |
|
|
2017
Q3 | $14.8M | Sell |
47,404
-1,615
| -3% | -$478K | 0.24% | 86 |
|
|
2017
Q2 | $13.3M | Buy |
49,019
+5,376
| +12% | +$1.42M | 0.22% | 90 |
|
|
2017
Q1 | $11.9M | Buy |
43,643
+18,660
| +75% | +$5.28M | 0.21% | 88 |
|
|
2016
Q4 | $7.08M | Buy |
24,983
+3,305
| +15% | +$980K | 0.14% | 83 |
|
|
2016
Q3 | $6.79M | Buy |
21,678
+13,322
| +159% | +$3.95M | 0.14% | 72 |
|
|
2016
Q2 | $2.02M | Buy |
8,356
+6
| +0.1% | +$1.58K | 0.04% | 163 |
|
|
2016
Q1 | $2.17M | Sell |
8,350
-118
| -1% | -$31.2K | 0.05% | 165 |
|
|
2015
Q4 | $2.59M | Sell |
8,468
-234
| -3% | -$67.2K | 0.05% | 185 |
|
|
2015
Q3 | $2.54M | Buy |
8,702
+27
| +0.3% | +$8.92K | 0.05% | 185 |
|
|
2015
Q2 | $3.5M | Buy |
8,675
+111
| +1% | +$44.5K | 0.07% | 162 |
|
|
2015
Q1 | $3.62M | Buy |
+8,564
| New | +$3.38M | 0.07% | 171 |
|
Other funds holding BIIB
Northwestern Mutual Investment Management Company's BIIB Position: Q2 2026 in Review
Northwestern Mutual Investment Management Company increased its Biogen (BIIB) stake by 0.81% in Q2 2026, buying an estimated $7.27K and bringing the position to 4,734 shares worth $1.02M. The position accounts for 0.01% of the portfolio, ranked #601.
Northwestern Mutual Investment Management Company first reported a position in BIIB in Q1 2015 and has held it in 46 quarters since. The position peaked at $15.2M in Q4 2017. 746 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.
- Northwestern Mutual Investment Management Company held 4,734 shares of Biogen worth $1.02M as of Q2 2026.
- Northwestern Mutual Investment Management Company bought 38 Biogen shares in Q2 2026, an estimated $7.27K.
- Biogen made up 0.01% of Northwestern Mutual Investment Management Company's portfolio in Q2 2026, its #601 holding.
- Northwestern Mutual Investment Management Company first reported a position in Biogen in Q1 2015 and has held it in 46 quarters since.
- Northwestern Mutual Investment Management Company's Biogen position peaked at $15.2M in Q4 2017.
- 746 funds tracked by Wall St. Rank held Biogen as of Q2 2026.
Based on Northwestern Mutual Investment Management Company's 13F filing for Q2 2026, filed 12 Aug 2026.