Merck
      
      
        
          MRK
        
        
      
    
  
          MRK
        
        
      1,751 hedge funds and large institutions have $112B invested in Merck in 2015 Q4 according to their latest regulatory filings, with 165 funds opening new positions, 715 increasing their positions, 659 reducing their positions, and 59 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more first-time investments, than exits
New positions opened: | Existing positions closed:
more funds holding in top 10
Funds holding in top 10: →
more capital invested
Capital invested by funds: $ → $
more funds holding
Funds holding: →
8% more repeat investments, than reductions
Existing positions increased: 715 | Existing positions reduced: 659
4% more call options, than puts
Call options by funds: $944M | Put options by funds: $909M
0.82% less ownership
Funds ownership: 77.97% → 77.14% (-0.82%)
    
      Holders
    
  
  
    
      
        
      
        1,751
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        104
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $944M
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $909M
      
    
      
    
  
Top Buyers
| 1 | +$216M | |
| 2 | +$140M | |
| 3 | +$124M | |
| 4 | 
          
   
    TIM
   
  
      Thornburg Investment Management
     
    
      
        Santa Fe,
      
      
        New Mexico
      
     
   | 
        +$107M | 
| 5 | 
          
   
      Goldman Sachs
     
    
      
      
        New York
      
     
   | 
        +$96.1M | 
Top Sellers
| 1 | -$3.67B | |
| 2 | -$522M | |
| 3 | -$372M | |
| 4 | 
          
   
    MNA
   
  
      Manning & Napier Advisors
     
    
      
        Fairport,
      
      
        New York
      
     
   | 
        -$296M | 
| 5 | 
          
   
    EVM
   
  
      Eaton Vance Management
     
    
      
        Boston,
      
      
        Massachusetts
      
     
   | 
        -$278M |