Acadian Asset Management’s Biogen BIIB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Shares Change % | Capital Flow | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | $25M | Buy |
199,462
+181,905
| +1,036% | +$22.8M | 0.05% | 274 |
|
|
2025
Q1 | $2.4M | Buy |
17,557
+14,357
| +449% | +$1.96M | 0.01% | 711 |
|
|
2024
Q4 | $489K | Buy |
3,200
+742
| +30% | +$113K | ﹤0.01% | 1079 |
|
|
2024
Q3 | $476K | Sell |
2,458
-3,244
| -57% | -$628K | ﹤0.01% | 1102 |
|
|
2024
Q2 | $1.32M | Buy |
5,702
+3,813
| +202% | +$883K | ﹤0.01% | 903 |
|
|
2024
Q1 | $407K | Sell |
1,889
-38
| -2% | -$8.19K | ﹤0.01% | 1060 |
|
|
2023
Q4 | $497K | Sell |
1,927
-11,398
| -86% | -$2.94M | ﹤0.01% | 1028 |
|
|
2023
Q3 | $3.42M | Sell |
13,325
-32,715
| -71% | -$8.41M | 0.01% | 546 |
|
|
2023
Q2 | $13.1M | Buy |
46,040
+381
| +0.8% | +$109K | 0.05% | 265 |
|
|
2023
Q1 | $12.7M | Sell |
45,659
-13,962
| -23% | -$3.88M | 0.06% | 272 |
|
|
2022
Q4 | $16.5M | Sell |
59,621
-32,332
| -35% | -$8.95M | 0.08% | 207 |
|
|
2022
Q3 | $24.5M | Buy |
91,953
+16,878
| +22% | +$4.51M | 0.13% | 157 |
|
|
2022
Q2 | $15.3M | Sell |
75,075
-39,465
| -34% | -$8.05M | 0.08% | 208 |
|
|
2022
Q1 | $24.1M | Buy |
114,540
+86,746
| +312% | +$18.3M | 0.1% | 201 |
|
|
2021
Q4 | $6.67M | Sell |
27,794
-43,381
| -61% | -$10.4M | 0.02% | 397 |
|
|
2021
Q3 | $20.1M | Sell |
71,175
-108,046
| -60% | -$30.6M | 0.08% | 208 |
|
|
2021
Q2 | $62.1M | Sell |
179,221
-171,511
| -49% | -$59.4M | 0.23% | 114 |
|
|
2021
Q1 | $98.1M | Sell |
350,732
-152,468
| -30% | -$42.7M | 0.38% | 68 |
|
|
2020
Q4 | $123M | Sell |
503,200
-21,114
| -4% | -$5.17M | 0.48% | 57 |
|
|
2020
Q3 | $149M | Buy |
524,314
+140,012
| +36% | +$39.7M | 0.62% | 37 |
|
|
2020
Q2 | $103M | Buy |
384,302
+299,950
| +356% | +$80.3M | 0.44% | 56 |
|
|
2020
Q1 | $26.7M | Buy |
84,352
+81,577
| +2,940% | +$25.8M | 0.15% | 134 |
|
|
2019
Q4 | $824K | Hold |
2,775
| – | – | ﹤0.01% | 930 |
|
|
2019
Q3 | $646K | Sell |
2,775
-1,134
| -29% | -$264K | ﹤0.01% | 1014 |
|
|
2019
Q2 | $914K | Hold |
3,909
| – | – | ﹤0.01% | 825 |
|
|
2019
Q1 | $924K | Sell |
3,909
-9,252
| -70% | -$2.19M | ﹤0.01% | 917 |
|
|
2018
Q4 | $3.96M | Sell |
13,161
-109,257
| -89% | -$32.9M | 0.02% | 418 |
|
|
2018
Q3 | $43.3M | Buy |
122,418
+117,069
| +2,189% | +$41.4M | 0.18% | 128 |
|
|
2018
Q2 | $1.55M | Sell |
5,349
-12,279
| -70% | -$3.57M | 0.01% | 625 |
|
|
2018
Q1 | $4.83M | Buy |
17,628
+8,243
| +88% | +$2.26M | 0.02% | 407 |
|
|
2017
Q4 | $2.99M | Buy |
9,385
+2,409
| +35% | +$768K | 0.01% | 475 |
|
|
2017
Q3 | $2.19M | Sell |
6,976
-4,947
| -41% | -$1.55M | 0.01% | 537 |
|
|
2017
Q2 | $3.24M | Sell |
11,923
-47
| -0.4% | -$12.8K | 0.01% | 473 |
|
|
2017
Q1 | $3.27M | Buy |
11,970
+1,536
| +15% | +$420K | 0.02% | 503 |
|
|
2016
Q4 | $2.96M | Buy |
10,434
+1,277
| +14% | +$362K | 0.01% | 506 |
|
|
2016
Q3 | $2.87M | Buy |
9,157
+4,852
| +113% | +$1.52M | 0.01% | 458 |
|
|
2016
Q2 | $1.04M | Buy |
4,305
+1,334
| +45% | +$323K | 0.01% | 630 |
|
|
2016
Q1 | $773K | Sell |
2,971
-2,690
| -48% | -$700K | ﹤0.01% | 672 |
|
|
2015
Q4 | $1.74M | Buy |
5,661
+3,543
| +167% | +$1.09M | 0.01% | 596 |
|
|
2015
Q3 | $618K | Sell |
2,118
-287
| -12% | -$83.7K | ﹤0.01% | 749 |
|
|
2015
Q2 | $972K | Buy |
2,405
+2,388
| +14,047% | +$965K | ﹤0.01% | 681 |
|
|
2015
Q1 | $7K | Hold |
17
| – | – | ﹤0.01% | 1246 |
|
|
2014
Q4 | $6K | Buy |
+17
| New | +$6K | ﹤0.01% | 1172 |
|
|
2014
Q2 | – | Sell |
-1,316
| Closed | -$403K | – | 963 |
|
|
2014
Q1 | $403K | Buy |
1,316
+700
| +114% | +$214K | ﹤0.01% | 699 |
|
|
2013
Q4 | $172K | Buy |
+616
| New | +$172K | ﹤0.01% | 821 |
|
|
2013
Q3 | – | Sell |
-269
| Closed | -$58K | – | 986 |
|
|
2013
Q2 | $58K | Buy |
+269
| New | +$58K | ﹤0.01% | 799 |
|