ACHN
  
  
      
        Achillion Pharmaceuticals
      
      
        
          ACHN
        
        
      
    
  
          ACHN
        
        
      Delisted
    ACHN was delisted on the 27th of January, 2020.
149 hedge funds and large institutions have $327M invested in Achillion Pharmaceuticals in 2017 Q4 according to their latest regulatory filings, with 36 funds opening new positions, 55 increasing their positions, 32 reducing their positions, and 12 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more first-time investments, than exits
New positions opened: | Existing positions closed:
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more call options, than puts
Call options by funds: $ | Put options by funds: $
more funds holding
Funds holding: →
32% less capital invested
Capital invested by funds: $480M → $327M (-$153M)
50% less funds holding in top 10
Funds holding in top 10: 4 → 2 (-2)
    
      Holders
    
  
  
    
      
        
      
        149
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        2
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $983K
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $617K
      
    
      
    
  
Top Buyers
| 1 | +$16.4M | |
| 2 | +$12.4M | |
| 3 | +$5.3M | |
| 4 | 
      BlackRock
     
      
      
        New York
      
     | +$5M | 
| 5 | 
    BI
   
      BVF Inc
     
      
        San Francisco,
      
      
        California
      
     | +$4.63M | 
Top Sellers
| 1 | -$37.6M | |
| 2 | -$14.1M | |
| 3 | -$8.61M | |
| 4 | 
      Janus Henderson Group
     
      
        London,
      
      
        United Kingdom
      
     | -$8.27M | 
| 5 | 
    AC
   
      Armistice Capital
     
      
      
        New York
      
     | -$4.58M |