CSS LLC’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 | $869K | Buy |
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|
2025
Q1 | $510K | Buy |
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|
2023
Q1 | – | Hold |
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|
2022
Q4 | – | Sell |
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|
2022
Q3 | $1.7M | Buy |
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|
2022
Q2 | – | Hold |
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|
2022
Q1 | – | Sell |
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|
2021
Q4 | $672K | Buy |
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|
2021
Q3 | – | Sell |
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|
2021
Q2 | $634K | Sell |
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|
2021
Q1 | $3.11M | Sell |
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|
2020
Q4 | $3.69M | Buy |
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|
2020
Q3 | – | Sell |
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|
2020
Q2 | $5.14M | Buy |
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|
2020
Q1 | $259K | Buy |
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|
2019
Q4 | – | Hold |
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