Shell Asset Management’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  | $1.06M | Buy | 
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| 
        
          
      
        2025
         Q1  | $541K | Hold | 
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| 
        
          
      
        2024
         Q4  | $604K | Sell | 
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| 
        
          
      
        2024
         Q3  | $786K | Buy | 
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| 
        
          
      
        2024
         Q1  | $940K | Sell | 
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| 
        
          
      
        2023
         Q4  | $1.93M | Buy | 
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| 
        
          
      
        2023
         Q3  | $1.29M | Sell | 
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| 
        
          
      
        2023
         Q2  | $1.47M | Sell | 
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| 
        
          
      
        2023
         Q1  | $1.64M | Sell | 
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| 
        
          
      
        2022
         Q4  | $1.64M | Sell | 
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| 
        
          
      
        2022
         Q3  | $1.93M | Sell | 
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| 
        
          
      
        2022
         Q2  | $1.76M | Sell | 
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| 
        
          
      
        2022
         Q1  | $1.83M | Sell | 
         | 
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| 
        
          
      
        2021
         Q4  | $2.17M | Buy | 
         | 
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| 
        
          
      
        2021
         Q3  | $1.95M | Sell | 
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| 
        
          
      
        2021
         Q2  | $2.41M | Sell | 
         | 
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| 
        
          
      
        2021
         Q1  | $3.46M | Sell | 
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| 
        
          
      
        2020
         Q4  | $3.65M | Buy | 
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| 
        
          
      
        2020
         Q3  | $3.52M | Sell | 
         | 
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| 
        
          
      
        2020
         Q2  | $3.32M | Buy | 
         | 
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| 
        
          
      
        2020
         Q1  | $2.96M | Sell | 
         | 
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| 
        
          
      
        2019
         Q4  | $3.42M | Sell | 
         | 
    |||||
| 
        
          
      
        2019
         Q3  | $2.7M | Hold | 
         | 
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| 
        
          
      
        2019
         Q2  | $2.71M | Sell | 
         | 
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| 
        
          
      
        2019
         Q1  | $2.96M | Sell | 
         | 
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| 
        
          
      
        2018
         Q4  | $3.93M | Sell | 
         | 
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| 
        
          
      
        2018
         Q3  | $5.62M | Buy | 
         | 
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| 
        
          
      
        2018
         Q2  | $4.61M | Buy | 
         | 
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| 
        
          
      
        2018
         Q1  | $3.81M | Sell | 
         | 
    |||||
| 
        
          
      
        2017
         Q4  | $7.54M | Buy | 
         | 
    |||||
| 
        
          
      
        2017
         Q3  | $6.37M | Sell | 
         | 
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| 
        
          
      
        2017
         Q2  | $7.05M | Sell | 
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| 
        
          
      
        2017
         Q1  | $7.15M | Sell | 
         | 
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| 
        
          
      
        2016
         Q4  | $8.29M | Sell | 
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| 
        
          
      
        2016
         Q3  | $9.89M | Sell | 
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| 
        
          
      
        2016
         Q2  | $9.55M | Buy | 
         | 
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| 
        
          
      
        2016
         Q1  | $8.1M | Buy | 
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| 
        
          
      
        2015
         Q4  | $8.4M | Sell | 
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| 
        
          
      
        2015
         Q3  | $12.9M | Buy | 
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| 
        
          
      
        2015
         Q2  | $13M | Sell | 
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| 
        
          
      
        2015
         Q1  | $14.9M | Sell | 
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| 
        
          
      
        2014
         Q4  | $15.3M | Buy | 
         | 
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| 
        
          
      
        2014
         Q3  | $12.9M | Sell | 
         | 
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| 
        
          
      
        2014
         Q2  | $12.3M | Sell | 
         | 
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| 
        
          
      
        2014
         Q1  | $13.4M | Sell | 
         | 
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| 
        
          
      
        2013
         Q4  | $12.3M | Sell | 
         | 
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| 
        
          
      
        2013
         Q3  | $15.7M | Sell | 
         | 
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| 
        
          
      
        2013
         Q2  | $14.4M | Buy | 
         |