ACHN
  
  
      
        Achillion Pharmaceuticals
      
      
        
          ACHN
        
        
      
    
  
          ACHN
        
        
      Delisted
    ACHN was delisted on the 27th of January, 2020.
153 hedge funds and large institutions have $858M invested in Achillion Pharmaceuticals in 2016 Q1 according to their latest regulatory filings, with 26 funds opening new positions, 46 increasing their positions, 56 reducing their positions, and 23 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more call options, than puts
Call options by funds: $ | Put options by funds: $
more first-time investments, than exits
New positions opened: | Existing positions closed:
more funds holding
Funds holding: →
less repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
25% less funds holding in top 10
Funds holding in top 10: 4 → 3 (-1)
31% less capital invested
Capital invested by funds: $1.24B → $858M (-$387M)
    
      Holders
    
  
  
    
      
        
      
        153
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        3
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $14.1M
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $3.62M
      
    
      
    
  
Top Buyers
| 1 | +$14.4M | |
| 2 | +$6.26M | |
| 3 | +$5.67M | |
| 4 | 
    RI
   
      RTW Investments
     
      
      
        New York
      
     | +$4.4M | 
| 5 | 
    GAM
   
      Gotham Asset Management
     
      
      
        New York
      
     | +$4.28M | 
Top Sellers
| 1 | -$18M | |
| 2 | -$17.3M | |
| 3 | -$7.97M | |
| 4 | 
      Millennium Management
     
      
      
        New York
      
     | -$7.59M | 
| 5 |   
      Fidelity Investments
     
      
        Boston,
      
      
        Massachusetts
      
     | -$6.3M |