Great Lakes Advisors’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2023
Q3
Sell
-777
Closed -$221K 754
2023
Q2
$221K Buy
777
+12
+2% +$3.42K ﹤0.01% 703
2023
Q1
$213K Sell
765
-73
-9% -$20.3K ﹤0.01% 763
2022
Q4
$232K Sell
838
-47
-5% -$13K 0.01% 606
2022
Q3
$236K Sell
885
-448
-34% -$119K 0.01% 573
2022
Q2
$272K Sell
1,333
-115,315
-99% -$23.5M 0.01% 594
2022
Q1
$24.6M Buy
116,648
+3,859
+3% +$813K 0.4% 70
2021
Q4
$27.1M Buy
112,789
+25,158
+29% +$6.04M 0.41% 78
2021
Q3
$24.8M Buy
87,631
+3,530
+4% +$999K 0.39% 79
2021
Q2
$29.1M Sell
84,101
-14,706
-15% -$5.09M 0.44% 58
2021
Q1
$27.6M Sell
98,807
-2,012
-2% -$563K 0.45% 53
2020
Q4
$24.7M Buy
100,819
+15,634
+18% +$3.83M 0.45% 63
2020
Q3
$24.2M Buy
85,185
+1,781
+2% +$505K 0.51% 53
2020
Q2
$22.3M Sell
83,404
-32,553
-28% -$8.71M 0.54% 46
2020
Q1
$36.7M Sell
115,957
-55,024
-32% -$17.4M 1.07% 20
2019
Q4
$50.7M Sell
170,981
-55,893
-25% -$16.6M 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% -$264K 1.19% 22
2019
Q1
$55.2M Buy
233,682
+85,939
+58% +$20.3M 1.23% 16
2018
Q4
$44.5M Sell
147,743
-1,575
-1% -$474K 1.05% 28
2018
Q3
$52.8M Sell
149,318
-16,698
-10% -$5.9M 1.16% 26
2018
Q2
$48.2M Sell
166,016
-29,181
-15% -$8.47M 1.13% 23
2018
Q1
$47.5M Buy
195,197
+122,966
+170% +$29.9M 1.13% 28
2017
Q4
$23M Buy
72,231
+69,404
+2,455% +$22.1M 0.51% 46
2017
Q3
$885K Buy
2,827
+1,603
+131% +$502K 0.02% 383
2017
Q2
$332K Sell
1,224
-38
-3% -$10.3K 0.01% 506
2017
Q1
$345K Sell
1,262
-4,207
-77% -$1.15M 0.01% 486
2016
Q4
$1.55M Sell
5,469
-2,191
-29% -$621K 0.04% 300
2016
Q3
$2.4M Buy
7,660
+3,453
+82% +$1.08M 0.07% 236
2016
Q2
$1.02M Buy
4,207
+1,422
+51% +$344K 0.03% 350
2016
Q1
$725K Buy
2,785
+229
+9% +$59.6K 0.02% 393
2015
Q4
$783K Sell
2,556
-334
-12% -$102K 0.02% 364
2015
Q3
$843K Sell
2,890
-156
-5% -$45.5K 0.03% 347
2015
Q2
$1.23M Buy
+3,046
New +$1.23M 0.04% 298