Thermo Fisher Scientific
      
      
        
          TMO
        
        
      
    
  
          TMO
        
        
      2,539 hedge funds and large institutions have $165B invested in Thermo Fisher Scientific in 2025 Q1 according to their latest regulatory filings, with 156 funds opening new positions, 1,023 increasing their positions, 992 reducing their positions, and 157 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more funds holding in top 10
Funds holding in top 10: →
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
less ownership
Funds ownership: →
less first-time investments, than exits
New positions opened: | Existing positions closed:
2% less funds holding
Funds holding: 2,584 → 2,539 (-45)
7% less capital invested
Capital invested by funds: $177B → $165B (-$12.3B)
11% less call options, than puts
Call options by funds: $961M | Put options by funds: $1.08B
    
      Holders
    
  
  
    
      
        
      
        2,539
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        83
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $961M
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $1.08B
      
    
      
    
  
Top Buyers
| 1 | +$812M | |
| 2 | +$607M | |
| 3 | +$293M | |
| 4 |   
      Franklin Resources
     
      
        San Mateo,
      
      
        California
      
     | +$240M | 
| 5 | 
    SP
   
      Sarasin & Partners
     
      
        London,
      
      
        United Kingdom
      
     | +$187M | 
Top Sellers
| 1 | -$843M | |
| 2 | -$802M | |
| 3 | -$568M | |
| 4 | 
    ATO
   
      Alecta Tjanstepension Omsesidigt
     
      
        Stockholm,
      
      
        Sweden
      
     | -$214M | 
| 5 | 
      Impax Asset Management Group
     
      
        London,
      
      
        United Kingdom
      
     | -$212M | 
 
