William Blair & Company’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 | $1.96M | Sell |
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|
2025
Q2 | $1.86M | Buy |
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|
2025
Q1 | $1.82M | Buy |
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|
2024
Q4 | $2M | Buy |
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|
2024
Q3 | $2.36M | Sell |
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|
2024
Q2 | $3.04M | Buy |
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|
2024
Q1 | $2.77M | Buy |
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|
2023
Q4 | $3.04M | Sell |
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|
2023
Q3 | $3.63M | Buy |
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|
2023
Q2 | $3.01M | Sell |
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|
2023
Q1 | $3.03M | Buy |
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|
2022
Q4 | $2.86M | Sell |
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|
2022
Q3 | $3.33M | Sell |
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|
2022
Q2 | $2.86M | Sell |
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|
2022
Q1 | $3.06M | Sell |
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|
2021
Q4 | $4.26M | Buy |
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|
2021
Q3 | $3.87M | Buy |
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|
2021
Q2 | $3.94M | Buy |
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|
2021
Q1 | $2.89M | Buy |
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|
2020
Q4 | $2.44M | Sell |
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|
2020
Q3 | $2.95M | Buy |
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|
2020
Q2 | $2.5M | Sell |
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|
2020
Q1 | $2.98M | Sell |
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|
2019
Q4 | $3.53M | Buy |
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|
2019
Q3 | – | Sell |
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|
2019
Q2 | $0 | Sell |
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|
2019
Q1 | $3.6M | Sell |
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|
2018
Q4 | $5.01M | Sell |
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|
2018
Q3 | $6.52M | Buy |
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|
2018
Q2 | $4.56M | Sell |
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|
2018
Q1 | $6.58M | Sell |
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|
2017
Q4 | $8M | Buy |
|
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|
2017
Q3 | $7.53M | Buy |
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|
2017
Q2 | $3.99M | Sell |
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|
2017
Q1 | $4.5M | Sell |
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|
2016
Q4 | $6.84M | Buy |
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|
2016
Q3 | $7.43M | Buy |
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|
2016
Q2 | $5.69M | Sell |
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|
2016
Q1 | $10.2M | Buy |
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|
2015
Q4 | $11.5M | Sell |
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|
2015
Q3 | $24.3M | Buy |
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|
2015
Q2 | $13.5M | Buy |
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|
2015
Q1 | $11M | Buy |
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|
2014
Q4 | $5.81M | Buy |
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|
2014
Q3 | $3.38M | Buy |
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|
2014
Q2 | $2.95M | Sell |
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|
2014
Q1 | $10.6M | Buy |
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|
2013
Q4 | $8.84M | Buy |
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|
2013
Q3 | $4.99M | Buy |
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|
2013
Q2 | $4.38M | Buy |
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