PDT Partners’s Arrowhead Research ARWR Stock Holding History
Bought
  Maintained
  Sold
  | Quarter | Market Value | Status | Shares | 
        
          
          
            Change in  Stake  | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
| 
        
          
      
        2025
         Q2  | $2.42M | Buy | 
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| 
        
          
      
        2024
         Q4  | – | Sell | 
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| 
        
          
      
        2024
         Q3  | $315K | Buy | 
         | 
    |||||
| 
        
          
      
        2022
         Q4  | – | Sell | 
         | 
    |||||
| 
        
          
      
        2022
         Q3  | $211K | Buy | 
         | 
    |||||
| 
        
          
      
        2022
         Q2  | – | Sell | 
         | 
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| 
        
          
      
        2022
         Q1  | $767K | Buy | 
         | 
    |||||
| 
        
          
      
        2021
         Q4  | $337K | Sell | 
         | 
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| 
        
          
      
        2021
         Q3  | $1.1M | Buy | 
         | 
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| 
        
          
      
        2021
         Q2  | $733K | Buy | 
         | 
    |||||
| 
        
          
      
        2020
         Q4  | – | Sell | 
         | 
    |||||
| 
        
          
      
        2020
         Q3  | $230K | Buy | 
         | 
    |||||
| 
        
          
      
        2018
         Q3  | – | Sell | 
         | 
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| 
        
          
      
        2018
         Q2  | $1.42M | Sell | 
         | 
    |||||
| 
        
          
      
        2018
         Q1  | $3.31M | Buy | 
         | 
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| 
        
          
      
        2017
         Q4  | $1.23M | Buy | 
         | 
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| 
        
          
      
        2015
         Q3  | – | Sell | 
         | 
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| 
        
          
      
        2015
         Q2  | $81K | Sell | 
         | 
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| 
        
          
      
        2015
         Q1  | $102K | Buy | 
         | 
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| 
        
          
      
        2014
         Q3  | – | Sell | 
         | 
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| 
        
          
      
        2014
         Q2  | $258K | Sell | 
         | 
    |||||
| 
        
          
      
        2014
         Q1  | $562K | Buy | 
         |