Berkshire Asset Management’s Biogen BIIB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q3 | $216K | Buy |
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|
2025
Q1 | – | Sell |
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|
2024
Q4 | $229K | Sell |
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|
2024
Q3 | $470K | Hold |
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|
2024
Q2 | $470K | Sell |
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|
2024
Q1 | $446K | Sell |
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|
2023
Q4 | $537K | Sell |
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|
2023
Q3 | $542K | Sell |
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|
2023
Q2 | $628K | Sell |
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|
2023
Q1 | $703K | Buy |
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|
2022
Q4 | – | Sell |
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|
2022
Q3 | $628K | Sell |
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|
2022
Q2 | $570K | Sell |
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|
2022
Q1 | $763K | Buy |
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|
2021
Q4 | $855K | Sell |
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|
2021
Q3 | $1.55M | Sell |
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|
2021
Q2 | $1.93M | Sell |
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|
2021
Q1 | $1.64M | Buy |
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|
2020
Q4 | $1.35M | Buy |
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|
2020
Q3 | $619K | Sell |
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|
2020
Q2 | $613K | Sell |
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|
2020
Q1 | $1.72M | Buy |
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|
2019
Q4 | $660K | Buy |
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|
2019
Q3 | $502K | Sell |
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|
2019
Q2 | $531K | Buy |
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|
2019
Q1 | $476K | Buy |
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|
2018
Q4 | $602K | Sell |
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|
2018
Q3 | $759K | Buy |
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|
2018
Q2 | $620K | Buy |
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|
2018
Q1 | $495K | Sell |
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|
2017
Q4 | $596K | Buy |
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|
2017
Q3 | $577K | Sell |
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|
2017
Q2 | $534K | Sell |
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|
2017
Q1 | $601K | Buy |
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|
2016
Q4 | $569K | Sell |
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|
2016
Q3 | $731K | Sell |
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|
2016
Q2 | $910K | Buy |
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|
2016
Q1 | $772K | Buy |
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|
2015
Q4 | $887K | Buy |
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|
2015
Q3 | $801K | Buy |
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|
2015
Q2 | $758K | Sell |
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|
2015
Q1 | $806K | Sell |
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|
2014
Q4 | $739K | Buy |
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|
2014
Q3 | $706K | Hold |
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|
2014
Q2 | $673K | Hold |
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|
2014
Q1 | $652K | Sell |
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|
2013
Q4 | $1.7M | Buy |
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|
2013
Q3 | $1.26M | Buy |
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|
2013
Q2 | $369K | Buy |
|