Gilder Gagnon Howe & Co’s Biogen BIIB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $836K | Buy |
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|
2024
Q3 | – | Sell |
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|
2024
Q2 | $13.2M | Sell |
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|
2024
Q1 | $12.9M | Sell |
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|
2023
Q4 | $17.7M | Buy |
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|
2023
Q3 | $17.4M | Sell |
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|
2023
Q2 | $22.9M | Buy |
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|
2023
Q1 | $15.1M | Sell |
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|
2022
Q4 | $15.7M | Buy |
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|
2021
Q3 | – | Sell |
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|
2021
Q2 | $967K | Sell |
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|
2021
Q1 | $1.8M | Buy |
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|
2016
Q4 | – | Sell |
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|
2016
Q3 | $55K | Buy |
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|
2015
Q3 | – | Sell |
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|
2015
Q2 | $429K | Sell |
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|
2015
Q1 | $449K | Buy |
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|
2014
Q4 | $28K | Buy |
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