Holocene 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
Q3 | $838K | Buy |
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|
2023
Q3 | – | Sell |
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|
2023
Q2 | $1.08M | Sell |
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|
2023
Q1 | $54M | Buy |
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|
2021
Q3 | – | Sell |
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|
2021
Q2 | $474K | Buy |
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|
2020
Q3 | – | Hold |
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|
2020
Q2 | – | Sell |
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|
2020
Q1 | $72M | Sell |
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|
2019
Q4 | $74.2M | Buy |
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|
2018
Q2 | – | Sell |
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|
2018
Q1 | $254K | Buy |
|