Arrowstreet Capital’s Biogen BIIB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | $78.4M | Buy |
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|
2025
Q1 | $29.4M | Buy |
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|
2023
Q4 | – | Sell |
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|
2023
Q3 | $50.6M | Sell |
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|
2023
Q2 | $84.3M | Buy |
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|
2023
Q1 | $80.8M | Sell |
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|
2022
Q4 | $124M | Sell |
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|
2022
Q3 | $168M | Buy |
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|
2022
Q2 | $120M | Sell |
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|
2022
Q1 | $208M | Buy |
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|
2021
Q4 | $232M | Buy |
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|
2021
Q3 | $77.6M | Buy |
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|
2021
Q2 | $64.7M | Buy |
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|
2021
Q1 | – | Sell |
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|
2020
Q4 | $77.5M | Buy |
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|
2020
Q3 | $84.6M | Sell |
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|
2020
Q2 | $190M | Sell |
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|
2020
Q1 | $458M | Sell |
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|
2019
Q4 | $718M | Sell |
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|
2019
Q3 | $620M | Buy |
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|
2019
Q2 | $583M | Buy |
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|
2019
Q1 | $406M | Buy |
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|
2018
Q4 | $459M | Buy |
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|
2018
Q3 | $505M | Sell |
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|
2018
Q2 | $524M | Buy |
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|
2018
Q1 | $313M | Buy |
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|
2017
Q4 | $15.6M | Buy |
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|
2017
Q3 | – | Sell |
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|
2017
Q2 | $43.2M | Buy |
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|
2017
Q1 | $1.39M | Buy |
|
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|
2016
Q1 | – | Sell |
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|
2015
Q4 | $88.6M | Sell |
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|
2015
Q3 | $177M | Buy |
|
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|
2015
Q2 | $122M | Buy |
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|
2015
Q1 | $887K | Buy |
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|
2014
Q4 | – | Sell |
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|
2014
Q3 | $110M | Buy |
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|
2014
Q2 | $79.4M | Sell |
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|
2014
Q1 | $205M | Sell |
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|
2013
Q4 | $193M | Buy |
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|
2013
Q3 | $165M | Buy |
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|
2013
Q2 | $133M | Buy |
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