Berkshire 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
Q1 | – | Sell |
-1,568
| Closed | -$229K | – | 283 |
|
2024
Q4 | $229K | Sell |
1,568
-461
| -23% | -$67.4K | 0.01% | 258 |
|
2024
Q3 | $470K | Hold |
2,029
| – | – | 0.02% | 190 |
|
2024
Q2 | $470K | Sell |
2,029
-38
| -2% | -$8.81K | 0.02% | 191 |
|
2024
Q1 | $446K | Sell |
2,067
-10
| -0.5% | -$2.16K | 0.02% | 172 |
|
2023
Q4 | $537K | Sell |
2,077
-33
| -2% | -$8.54K | 0.03% | 147 |
|
2023
Q3 | $542K | Sell |
2,110
-94
| -4% | -$24.2K | 0.03% | 141 |
|
2023
Q2 | $628K | Sell |
2,204
-325
| -13% | -$92.6K | 0.04% | 131 |
|
2023
Q1 | $703K | Buy |
+2,529
| New | +$703K | 0.04% | 127 |
|
2022
Q4 | – | Sell |
-2,352
| Closed | -$628K | – | 150 |
|
2022
Q3 | $628K | Sell |
2,352
-445
| -16% | -$119K | 0.04% | 125 |
|
2022
Q2 | $570K | Sell |
2,797
-825
| -23% | -$168K | 0.04% | 132 |
|
2022
Q1 | $763K | Buy |
3,622
+60
| +2% | +$12.6K | 0.05% | 110 |
|
2021
Q4 | $855K | Sell |
3,562
-1,928
| -35% | -$463K | 0.05% | 127 |
|
2021
Q3 | $1.55M | Sell |
5,490
-78
| -1% | -$22.1K | 0.1% | 100 |
|
2021
Q2 | $1.93M | Sell |
5,568
-285
| -5% | -$98.7K | 0.13% | 87 |
|
2021
Q1 | $1.64M | Buy |
5,853
+341
| +6% | +$95.4K | 0.12% | 87 |
|
2020
Q4 | $1.35M | Buy |
5,512
+3,331
| +153% | +$816K | 0.1% | 98 |
|
2020
Q3 | $619K | Sell |
2,181
-112
| -5% | -$31.8K | 0.06% | 107 |
|
2020
Q2 | $613K | Sell |
2,293
-3,141
| -58% | -$840K | 0.06% | 106 |
|
2020
Q1 | $1.72M | Buy |
5,434
+3,210
| +144% | +$1.02M | 0.18% | 70 |
|
2019
Q4 | $660K | Buy |
2,224
+67
| +3% | +$19.9K | 0.06% | 112 |
|
2019
Q3 | $502K | Sell |
2,157
-113
| -5% | -$26.3K | 0.04% | 138 |
|
2019
Q2 | $531K | Buy |
2,270
+258
| +13% | +$60.4K | 0.04% | 131 |
|
2019
Q1 | $476K | Buy |
2,012
+10
| +0.5% | +$2.37K | 0.04% | 147 |
|
2018
Q4 | $602K | Sell |
2,002
-145
| -7% | -$43.6K | 0.06% | 129 |
|
2018
Q3 | $759K | Buy |
2,147
+12
| +0.6% | +$4.24K | 0.06% | 125 |
|
2018
Q2 | $620K | Buy |
2,135
+329
| +18% | +$95.5K | 0.06% | 126 |
|
2018
Q1 | $495K | Sell |
1,806
-64
| -3% | -$17.5K | 0.05% | 138 |
|
2017
Q4 | $596K | Buy |
1,870
+28
| +2% | +$8.92K | 0.06% | 127 |
|
2017
Q3 | $577K | Sell |
1,842
-125
| -6% | -$39.2K | 0.06% | 117 |
|
2017
Q2 | $534K | Sell |
1,967
-230
| -10% | -$62.4K | 0.06% | 121 |
|
2017
Q1 | $601K | Buy |
2,197
+189
| +9% | +$51.7K | 0.07% | 115 |
|
2016
Q4 | $569K | Sell |
2,008
-328
| -14% | -$92.9K | 0.07% | 114 |
|
2016
Q3 | $731K | Sell |
2,336
-1,427
| -38% | -$447K | 0.11% | 102 |
|
2016
Q2 | $910K | Buy |
3,763
+799
| +27% | +$193K | 0.14% | 90 |
|
2016
Q1 | $772K | Buy |
2,964
+68
| +2% | +$17.7K | 0.12% | 89 |
|
2015
Q4 | $887K | Buy |
2,896
+150
| +5% | +$45.9K | 0.15% | 86 |
|
2015
Q3 | $801K | Buy |
2,746
+869
| +46% | +$253K | 0.14% | 89 |
|
2015
Q2 | $758K | Sell |
1,877
-33
| -2% | -$13.3K | 0.13% | 93 |
|
2015
Q1 | $806K | Sell |
1,910
-266
| -12% | -$112K | 0.13% | 92 |
|
2014
Q4 | $739K | Buy |
2,176
+43
| +2% | +$14.6K | 0.13% | 94 |
|
2014
Q3 | $706K | Hold |
2,133
| – | – | 0.13% | 96 |
|
2014
Q2 | $673K | Hold |
2,133
| – | – | 0.12% | 94 |
|
2014
Q1 | $652K | Sell |
2,133
-3,935
| -65% | -$1.2M | 0.13% | 91 |
|
2013
Q4 | $1.7M | Buy |
6,068
+850
| +16% | +$238K | 0.32% | 66 |
|
2013
Q3 | $1.26M | Buy |
5,218
+3,505
| +205% | +$844K | 0.3% | 73 |
|
2013
Q2 | $369K | Buy |
+1,713
| New | +$369K | 0.1% | 95 |
|