ACHN
  
  
      
        Achillion Pharmaceuticals
      
      
        
          ACHN
        
        
      
    
  
          ACHN
        
        
      Delisted
    ACHN was delisted on the 27th of January, 2020.
140 hedge funds and large institutions have $411M invested in Achillion Pharmaceuticals in 2016 Q4 according to their latest regulatory filings, with 18 funds opening new positions, 60 increasing their positions, 35 reducing their positions, and 39 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:
less funds holding
Funds holding: →
less capital invested
Capital invested by funds: $ → $
54% less first-time investments, than exits
New positions opened: 18 | Existing positions closed: 39
67% less funds holding in top 10
Funds holding in top 10: 3 → 1 (-2)
    
      Holders
    
  
  
    
      
        
      
        140
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        1
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $6.56M
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $1.56M
      
    
      
    
  
Top Buyers
| 1 | +$10M | |
| 2 | +$8.37M | |
| 3 | +$7.57M | |
| 4 | 
    RCM
   
      RA Capital Management
     
      
        Boston,
      
      
        Massachusetts
      
     | +$6.61M | 
| 5 | 
      State Street
     
      
        Boston,
      
      
        Massachusetts
      
     | +$6.05M | 
Top Sellers
| 1 | -$57.1M | |
| 2 | -$12.1M | |
| 3 | -$8.15M | |
| 4 | 
    RI
   
      RTW Investments
     
      
      
        New York
      
     | -$7.94M | 
| 5 | 
    PA
   
      Perceptive Advisors
     
      
      
        New York
      
     | -$7.53M |