Vertex Pharmaceuticals
      
      
        
          VRTX
        
        
      
    
  
          VRTX
        
        
      643 hedge funds and large institutions have $35.9B invested in Vertex Pharmaceuticals in 2017 Q4 according to their latest regulatory filings, with 99 funds opening new positions, 259 increasing their positions, 205 reducing their positions, and 60 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 funds holding
Funds holding: →
more ownership
Funds ownership: →
1% less capital invested
Capital invested by funds: $36.1B → $35.9B (-$204M)
9% less call options, than puts
Call options by funds: $206M | Put options by funds: $225M
23% less funds holding in top 10
Funds holding in top 10: 13 → 10 (-3)
    
      Holders
    
  
  
    
      
        
      
        643
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        10
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $206M
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $225M
      
    
      
    
  
Top Buyers
| 1 | +$279M | |
| 2 | +$222M | |
| 3 | +$103M | |
| 4 | 
      Westfield Capital Management
     
      
        Boston,
      
      
        Massachusetts
      
     | +$92.7M | 
| 5 | 
      Janus Henderson Group
     
      
        London,
      
      
        United Kingdom
      
     | +$86.8M | 
Top Sellers
| 1 | -$850M | |
| 2 | -$132M | |
| 3 | -$111M | |
| 4 | 
      Assenagon Asset Management
     
      
        Senningerberg,
      
      
        Luxembourg
      
     | -$110M | 
| 5 | 
      Jennison Associates
     
      
      
        New York
      
     | -$71.9M |