Great Lakes Advisors’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 | $1.74M | Hold |
9,490
| – | – | 0.01% | 437 |
|
|
2025
Q4 | $1.67M | Buy |
9,490
+11
| +0.1% | +$1.8K | 0.01% | 456 |
|
|
2025
Q3 | $1.33M | Buy |
+9,479
| New | +$1.28M | 0.01% | 500 |
|
|
2023
Q3 | – | Sell |
-777
| Closed | -$221K | – | 754 |
|
|
2023
Q2 | $221K | Buy |
777
+12
| +2% | +$3.57K | ﹤0.01% | 703 |
|
|
2023
Q1 | $213K | Sell |
765
-73
| -9% | -$20.2K | ﹤0.01% | 763 |
|
|
2022
Q4 | $232K | Sell |
838
-47
| -5% | -$13.3K | 0.01% | 606 |
|
|
2022
Q3 | $236K | Sell |
885
-448
| -34% | -$95.1K | 0.01% | 573 |
|
|
2022
Q2 | $272K | Sell |
1,333
-115,315
| -99% | -$23.6M | 0.01% | 594 |
|
|
2022
Q1 | $24.6M | Buy |
116,648
+3,859
| +3% | +$839K | 0.4% | 70 |
|
|
2021
Q4 | $27.1M | Buy |
112,789
+25,158
| +29% | +$6.47M | 0.41% | 78 |
|
|
2021
Q3 | $24.8M | Buy |
87,631
+3,530
| +4% | +$1.16M | 0.39% | 79 |
|
|
2021
Q2 | $29.1M | Sell |
84,101
-14,706
| -15% | -$4.46M | 0.44% | 58 |
|
|
2021
Q1 | $27.6M | Sell |
98,807
-2,012
| -2% | -$543K | 0.45% | 53 |
|
|
2020
Q4 | $24.7M | Buy |
100,819
+15,634
| +18% | +$4.03M | 0.45% | 63 |
|
|
2020
Q3 | $24.2M | Buy |
85,185
+1,781
| +2% | +$497K | 0.51% | 53 |
|
|
2020
Q2 | $22.3M | Sell |
83,404
-32,553
| -28% | -$9.79M | 0.54% | 46 |
|
|
2020
Q1 | $36.7M | Sell |
115,957
-55,024
| -32% | -$16.7M | 1.07% | 20 |
|
|
2019
Q4 | $50.7M | Sell |
170,981
-55,893
| -25% | -$15.5M | 1.09% | 24 |
|
|
2019
Q3 | $52.8M | Sell |
226,874
-5,681
| -2% | -$1.32M | 1.16% | 22 |
|
|
2019
Q2 | $54.4M | Sell |
232,555
-1,127
| -0.5% | -$260K | 1.19% | 22 |
|
|
2019
Q1 | $55.2M | Buy |
233,682
+85,939
| +58% | +$27.1M | 1.23% | 16 |
|
|
2018
Q4 | $44.5M | Sell |
147,743
-1,575
| -1% | -$503K | 1.05% | 28 |
|
|
2018
Q3 | $52.8M | Sell |
149,318
-16,698
| -10% | -$5.75M | 1.16% | 26 |
|
|
2018
Q2 | $48.2M | Sell |
166,016
-29,181
| -15% | -$8.2M | 1.13% | 23 |
|
|
2018
Q1 | $47.5M | Buy |
195,197
+122,966
| +170% | +$38.2M | 1.13% | 28 |
|
|
2017
Q4 | $23M | Buy |
72,231
+69,404
| +2,455% | +$22.3M | 0.51% | 46 |
|
|
2017
Q3 | $885K | Buy |
2,827
+1,603
| +131% | +$475K | 0.02% | 383 |
|
|
2017
Q2 | $332K | Sell |
1,224
-38
| -3% | -$10K | 0.01% | 506 |
|
|
2017
Q1 | $345K | Sell |
1,262
-4,207
| -77% | -$1.19M | 0.01% | 486 |
|
|
2016
Q4 | $1.55M | Sell |
5,469
-2,191
| -29% | -$649K | 0.04% | 300 |
|
|
2016
Q3 | $2.4M | Buy |
7,660
+3,453
| +82% | +$1.02M | 0.07% | 236 |
|
|
2016
Q2 | $1.02M | Buy |
4,207
+1,422
| +51% | +$375K | 0.03% | 350 |
|
|
2016
Q1 | $725K | Buy |
2,785
+229
| +9% | +$60.5K | 0.02% | 393 |
|
|
2015
Q4 | $783K | Sell |
2,556
-334
| -12% | -$96K | 0.02% | 364 |
|
|
2015
Q3 | $843K | Sell |
2,890
-156
| -5% | -$51.5K | 0.03% | 347 |
|
|
2015
Q2 | $1.23M | Buy |
+3,046
| New | +$1.22M | 0.04% | 298 |
|
Other funds holding BIIB
VCM
VPM
Great Lakes Advisors's BIIB Position: Q1 2026 in Review
Great Lakes Advisors held its Biogen (BIIB) position steady in Q1 2026 at 9,490 shares worth $1.74M. The position accounts for 0.01% of the portfolio, ranked #437.
Great Lakes Advisors first reported a position in BIIB in Q2 2015 and has held it in 36 quarters since. The position peaked at $55.2M in Q1 2019. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.
- Great Lakes Advisors held 9,490 shares of Biogen worth $1.74M as of Q1 2026.
- Great Lakes Advisors left its Biogen share count unchanged in Q1 2026.
- Biogen made up 0.01% of Great Lakes Advisors's portfolio in Q1 2026, its #437 holding.
- Great Lakes Advisors first reported a position in Biogen in Q2 2015 and has held it in 36 quarters since.
- Great Lakes Advisors's Biogen position peaked at $55.2M in Q1 2019.
- 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.
Based on Great Lakes Advisors's 13F filing for Q1 2026, filed 12 May 2026.