Citadel Advisors’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 | $76.4M | Buy |
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|
2025
Q1 | $74.1M | Buy |
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|
2024
Q4 | $23.5M | Sell |
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|
2024
Q3 | $72.2M | Buy |
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|
2024
Q2 | – | Sell |
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|
2024
Q1 | $32.2M | Buy |
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|
2023
Q4 | $1.36M | Sell |
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|
2023
Q3 | $20.1M | Buy |
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|
2023
Q2 | – | Sell |
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|
2023
Q1 | $68.1M | Sell |
|
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|
2022
Q4 | $68.6M | Sell |
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|
2022
Q3 | $66.6M | Buy |
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|
2022
Q2 | $42.5M | Buy |
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|
2022
Q1 | $16.5M | Sell |
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|
2021
Q4 | $21.4M | Sell |
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|
2021
Q3 | $95.2M | Sell |
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|
2021
Q2 | $193M | Buy |
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|
2021
Q1 | $62.5M | Sell |
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|
2020
Q4 | $85.7M | Buy |
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|
2020
Q3 | $6.7M | Sell |
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|
2020
Q2 | $37M | Sell |
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|
2020
Q1 | $67.4M | Sell |
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|
2019
Q4 | $68.1M | Buy |
|
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|
2019
Q3 | $33.6M | Buy |
|
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|
2019
Q2 | $3.53M | Sell |
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|
2019
Q1 | $35.3M | Buy |
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|
2018
Q4 | $41M | Buy |
|
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|
2018
Q3 | $19.6M | Sell |
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|
2018
Q2 | $33.4M | Sell |
|
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|
2018
Q1 | $71M | Buy |
|
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|
2017
Q4 | $51.3M | Sell |
|
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|
2017
Q3 | $208M | Sell |
|
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|
2017
Q2 | $289M | Buy |
|
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|
2017
Q1 | $216M | Buy |
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|
2016
Q4 | $165M | Sell |
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|
2016
Q3 | $253M | Sell |
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|
2016
Q2 | $328M | Buy |
|
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|
2016
Q1 | $88.3M | Sell |
|
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|
2015
Q4 | $198M | Buy |
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|
2015
Q3 | $173M | Buy |
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|
2015
Q2 | $179M | Buy |
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|
2015
Q1 | $45.2M | Buy |
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|
2014
Q4 | $27.9M | Buy |
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|
2014
Q3 | $18.9M | Buy |
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|
2014
Q2 | $11.2M | Sell |
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|
2014
Q1 | $43.1M | Buy |
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|
2013
Q4 | $30M | Buy |
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|
2013
Q3 | $2.81M | Buy |
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|
2013
Q2 | $778K | Buy |
|