Citadel Advisors’s Amtech Systems ASYS Stock Holding History
Bought
  Maintained
  Sold
  | Quarter | Market Value | Status | Shares | 
        
          
          
            Change in  Stake  | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
| 
        
          
      
        2025
         Q2  | $168K | Sell | 
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| 
        
          
      
        2025
         Q1  | $214K | Buy | 
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| 
        
          
      
        2024
         Q4  | $219K | Sell | 
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| 
        
          
      
        2024
         Q3  | $245K | Buy | 
         | 
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| 
        
          
      
        2024
         Q2  | $204K | Sell | 
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| 
        
          
      
        2024
         Q1  | $359K | Buy | 
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| 
        
          
      
        2023
         Q4  | $194K | Buy | 
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| 
        
          
      
        2023
         Q3  | $89.9K | Sell | 
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| 
        
          
      
        2023
         Q2  | $356K | Sell | 
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| 
        
          
      
        2023
         Q1  | $428K | Buy | 
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| 
        
          
      
        2022
         Q4  | $209K | Buy | 
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| 
        
          
      
        2022
         Q3  | $168K | Buy | 
         | 
    |||||
| 
        
          
      
        2022
         Q2  | – | Hold | 
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| 
        
          
      
        2022
         Q1  | – | Hold | 
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| 
        
          
      
        2021
         Q4  | – | Sell | 
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| 
        
          
      
        2021
         Q3  | $222K | Buy | 
         | 
    |||||
| 
        
          
      
        2021
         Q2  | – | Sell | 
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    |||||
| 
        
          
      
        2021
         Q1  | $259K | Buy | 
         | 
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| 
        
          
      
        2020
         Q3  | – | Sell | 
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| 
        
          
      
        2020
         Q2  | $50K | Buy | 
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| 
        
          
      
        2019
         Q2  | – | Sell | 
         | 
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| 
        
          
      
        2019
         Q1  | $98K | Sell | 
         | 
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| 
        
          
      
        2018
         Q4  | $87K | Buy | 
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| 
        
          
      
        2018
         Q3  | $82K | Sell | 
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| 
        
          
      
        2018
         Q2  | $158K | Sell | 
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| 
        
          
      
        2018
         Q1  | $383K | Buy | 
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| 
        
          
      
        2017
         Q4  | $488K | Buy | 
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| 
        
          
      
        2017
         Q3  | $205K | Buy | 
         |