ACHN
  
  
      
        Achillion Pharmaceuticals
      
      
        
          ACHN
        
        
      
    
  
          ACHN
        
        
      Delisted
    ACHN was delisted on the 27th of January, 2020.
158 hedge funds and large institutions have $950M invested in Achillion Pharmaceuticals in 2015 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 62 increasing their positions, 43 reducing their positions, and 41 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more call options, than puts
Call options by funds: $ | Put options by funds: $
more funds holding in top 10
Funds holding in top 10: →
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
less capital invested
Capital invested by funds: $ → $
9% less funds holding
Funds holding: 173 → 158 (-15)
37% less first-time investments, than exits
New positions opened: 26 | Existing positions closed: 41
    
      Holders
    
  
  
    
      
        
      
        158
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        3
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $37.5M
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $18.6M
      
    
      
    
  
Top Buyers
| 1 | +$74.3M | |
| 2 | +$16.4M | |
| 3 | +$16M | |
| 4 | 
    RCM
   
      RA Capital Management
     
      
        Boston,
      
      
        Massachusetts
      
     | +$15.4M | 
| 5 | 
    BBA
   
      Baker Bros. Advisors
     
      
      
        New York
      
     | +$11.6M | 
Top Sellers
| 1 | -$27.7M | |
| 2 | -$27.4M | |
| 3 | -$22.9M | |
| 4 | 
      Wells Fargo
     
      
        San Francisco,
      
      
        California
      
     | -$22.6M | 
| 5 | 
      Invesco
     
      
        Atlanta,
      
      
        Georgia
      
     | -$15.2M |