State of Wisconsin Investment Board’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 | $9.89M | Sell |
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|
2025
Q1 | $12.1M | Buy |
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|
2024
Q4 | $12.3M | Sell |
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|
2024
Q3 | $18M | Buy |
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|
2024
Q2 | $18.4M | Sell |
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|
2024
Q1 | $19.1M | Buy |
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|
2023
Q4 | $20.1M | Sell |
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|
2023
Q3 | $20.9M | Sell |
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|
2023
Q2 | $31.8M | Buy |
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|
2023
Q1 | $27.5M | Buy |
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|
2022
Q4 | $25.9M | Buy |
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|
2022
Q3 | $24.8M | Sell |
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|
2022
Q2 | $24.7M | Sell |
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|
2022
Q1 | $27.1M | Sell |
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|
2021
Q4 | $32.5M | Sell |
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|
2021
Q3 | $43.9M | Sell |
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|
2021
Q2 | $101M | Buy |
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|
2021
Q1 | $42.3M | Sell |
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|
2020
Q4 | $45.9M | Buy |
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|
2020
Q3 | $33.7M | Buy |
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|
2020
Q2 | $27.5M | Sell |
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|
2020
Q1 | $34.3M | Sell |
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|
2019
Q4 | $46.1M | Sell |
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|
2019
Q3 | $42.8M | Sell |
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|
2019
Q2 | $59.7M | Sell |
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|
2019
Q1 | $69.2M | Sell |
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|
2018
Q4 | $88.5M | Buy |
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|
2018
Q3 | $95M | Sell |
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|
2018
Q2 | $103M | Sell |
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|
2018
Q1 | $101M | Buy |
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|
2017
Q4 | $105M | Sell |
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|
2017
Q3 | $109M | Buy |
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|
2017
Q2 | $57.9M | Buy |
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|
2017
Q1 | $50.8M | Sell |
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|
2016
Q4 | $71.6M | Buy |
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|
2016
Q3 | $71.5M | Buy |
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|
2016
Q2 | $50M | Buy |
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|
2016
Q1 | $45M | Sell |
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|
2015
Q4 | $59.2M | Sell |
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|
2015
Q3 | $64.3M | Buy |
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|
2015
Q2 | $78M | Sell |
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|
2015
Q1 | $91.3M | Sell |
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|
2014
Q4 | $98M | Buy |
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|
2014
Q3 | $75.4M | Sell |
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|
2014
Q2 | $84.1M | Sell |
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|
2014
Q1 | $85.1M | Buy |
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|
2013
Q4 | $73.6M | Sell |
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|
2013
Q3 | $76.8M | Sell |
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|
2013
Q2 | $80.2M | Buy |
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