Merck
      
      
        
          MRK
        
        
      
    
  
          MRK
        
        
      3,285 hedge funds and large institutions have $155B invested in Merck in 2025 Q2 according to their latest regulatory filings, with 182 funds opening new positions, 1,273 increasing their positions, 1,523 reducing their positions, and 251 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more ownership
Funds ownership: →
more call options, than puts
Call options by funds: $ | Put options by funds: $
less funds holding
Funds holding: →
less capital invested
Capital invested by funds: $ → $
16% less repeat investments, than reductions
Existing positions increased: 1,273 | Existing positions reduced: 1,523
27% less first-time investments, than exits
New positions opened: 182 | Existing positions closed: 251
33% less funds holding in top 10
Funds holding in top 10: 64 → 43 (-21)
    
      Holders
    
  
  
    
      
        
      
        3,285
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        43
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $2.52B
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $2.44B
      
    
      
    
  
Top Buyers
| 1 | +$407M | |
| 2 | +$403M | |
| 3 | +$367M | |
| 4 | 
          
   
      UBS AM
     
    
      
        Chicago,
      
      
        Illinois
      
     
   | 
        +$348M | 
| 5 | 
          
   
      Goldman Sachs
     
    
      
      
        New York
      
     
   | 
        +$319M | 
Top Sellers
| 1 | -$634M | |
| 2 | -$559M | |
| 3 | -$381M | |
| 4 | 
          
   
      UBS Group
     
    
      
        Zurich,
      
      
        Switzerland
      
     
   | 
        -$329M | 
| 5 | 
          
   
      Bank of America
     
    
      
        Charlotte,
      
      
        North Carolina
      
     
   | 
        -$242M |