ACHN
  
  
      
        Achillion Pharmaceuticals
      
      
        
          ACHN
        
        
      
    
  
          ACHN
        
        
      Delisted
    ACHN was delisted on the 27th of January, 2020.
141 hedge funds and large institutions have $829M invested in Achillion Pharmaceuticals in 2015 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 62 increasing their positions, 38 reducing their positions, and 33 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more call options, than puts
Call options by funds: $ | Put options by funds: $
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more funds holding in top 10
Funds holding in top 10: →
less funds holding
Funds holding: →
13% less capital invested
Capital invested by funds: $950M → $829M (-$120M)
52% less first-time investments, than exits
New positions opened: 16 | Existing positions closed: 33
    
      Holders
    
  
  
    
      
        
      
        141
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        4
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $27.3M
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $13M
      
    
      
    
  
Top Buyers
| 1 | +$36.1M | |
| 2 | +$26.6M | |
| 3 | +$12.4M | |
| 4 | 
    DM
   
      Deerfield Management
     
      
      
        New York
      
     | +$11.5M | 
| 5 | 
      Point72 Asset Management
     
      
        Stamford,
      
      
        Connecticut
      
     | +$9.56M | 
Top Sellers
| 1 | -$23.9M | |
| 2 | -$15.3M | |
| 3 | -$5.12M | |
| 4 |   
      State of Wisconsin Investment Board
     
      
        Madison,
      
      
        Wisconsin
      
     | -$4.43M | 
| 5 | 
    LCM
   
      Laurion Capital Management
     
      
      
        New York
      
     | -$3.37M |