Merck
      
      
        
          MRK
        
        
      
    
  
          MRK
        
        
      3,197 hedge funds and large institutions have $198B invested in Merck in 2023 Q3 according to their latest regulatory filings, with 146 funds opening new positions, 1,289 increasing their positions, 1,404 reducing their positions, and 148 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more call options, than puts
Call options by funds: $ | Put options by funds: $
less ownership
Funds ownership: →
less first-time investments, than exits
New positions opened: | Existing positions closed:
less repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
1% less funds holding
Funds holding: 3,240 → 3,197 (-43)
11% less capital invested
Capital invested by funds: $223B → $198B (-$25B)
28% less funds holding in top 10
Funds holding in top 10: 258 → 185 (-73)
    
      Holders
    
  
  
    
      
        
      
        3,197
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        185
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $1.84B
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $1.44B
      
    
      
    
  
Top Buyers
| 1 | +$535M | |
| 2 | +$498M | |
| 3 | +$347M | |
| 4 |   
      Franklin Resources
     
      
        San Mateo,
      
      
        California
      
     | +$263M | 
| 5 |   
      Marshall Wace
     
      
        London,
      
      
        United Kingdom
      
     | +$193M | 
Top Sellers
| 1 | -$829M | |
| 2 | -$384M | |
| 3 | -$300M | |
| 4 | 
      BlackRock
     
      
      
        New York
      
     | -$280M | 
| 5 | 
      Arrowstreet Capital
     
      
        Boston,
      
      
        Massachusetts
      
     | -$273M |