Two Sigma Investments’s aTyr Pharma ATYR Stock Holding History
Bought
  Maintained
  Sold
  | Quarter | Market Value | Status | Shares | 
        
          
          
            Change in  Stake  | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
| 
        
          
      
        2025
         Q2  | $159K | Buy | 
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| 
        
          
      
        2025
         Q1  | $67.2K | Buy | 
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| 
        
          
      
        2024
         Q4  | $78.3K | Buy | 
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| 
        
          
      
        2024
         Q2  | – | Sell | 
         | 
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| 
        
          
      
        2024
         Q1  | $19.7K | Sell | 
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| 
        
          
      
        2023
         Q4  | $37.4K | Sell | 
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| 
        
          
      
        2023
         Q3  | $146K | Sell | 
         | 
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| 
        
          
      
        2023
         Q2  | $908K | Buy | 
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| 
        
          
      
        2023
         Q1  | $264K | Sell | 
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| 
        
          
      
        2022
         Q4  | $356K | Sell | 
         | 
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| 
        
          
      
        2022
         Q3  | $540K | Buy | 
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| 
        
          
      
        2022
         Q2  | $505K | Sell | 
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| 
        
          
      
        2022
         Q1  | $1.26M | Sell | 
         | 
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| 
        
          
      
        2021
         Q4  | $3.64M | Sell | 
         | 
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| 
        
          
      
        2021
         Q3  | $4.92M | Buy | 
         | 
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| 
        
          
      
        2021
         Q2  | $70K | Buy | 
         | 
    |||||
| 
        
          
      
        2021
         Q1  | – | Sell | 
         | 
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| 
        
          
      
        2020
         Q4  | $182K | Sell | 
         | 
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| 
        
          
      
        2020
         Q3  | $492K | Buy | 
         | 
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| 
        
          
      
        2020
         Q2  | $587K | Buy | 
         | 
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| 
        
          
      
        2020
         Q1  | $180K | Buy | 
         | 
    |||||
| 
        
          
      
        2019
         Q3  | – | Sell | 
         | 
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| 
        
          
      
        2019
         Q2  | $14K | Sell | 
         | 
    |||||
| 
        
          
      
        2019
         Q1  | $37K | Sell | 
         | 
    |||||
| 
        
          
      
        2018
         Q4  | $54K | Buy | 
         | 
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| 
        
          
      
        2018
         Q3  | $84K | Buy | 
         | 
    |||||
| 
        
          
      
        2018
         Q2  | $12K | Buy | 
         |