MREO
  
  
      
        Mereo BioPharma
      
      
        
          MREO
        
        
      
    
  
          MREO
        
        
      89 hedge funds and large institutions have $250M invested in Mereo BioPharma in 2025 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 27 increasing their positions, 21 reducing their positions, and 14 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more call options, than puts
Call options by funds: $ | Put options by funds: $
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:
1% less funds holding
Funds holding: 90 → 89 (-1)
38% less capital invested
Capital invested by funds: $403M → $250M (-$153M)
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
    
      Holders
    
  
  
    
      
        
      
        89
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        1
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $3.5M
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $1.75M
      
    
      
    
  
Top Buyers
| 1 | +$12.9M | |
| 2 | +$6.12M | |
| 3 | +$4.92M | |
| 4 | 
          
   
    SSA
   
  
      Schonfeld Strategic Advisors
     
    
      
      
        New York
      
     
   | 
        +$2.47M | 
| 5 | 
          
   
      Fidelity Investments
     
    
      
        Boston,
      
      
        Massachusetts
      
     
   | 
        +$1.71M | 
Top Sellers
| 1 | -$15.8M | |
| 2 | -$8.03M | |
| 3 | -$6.56M | |
| 4 | 
          
   
      UBS Group
     
    
      
        Zurich,
      
      
        Switzerland
      
     
   | 
        -$3.86M | 
| 5 | 
          
   
      Morgan Stanley
     
    
      
      
        New York
      
     
   | 
        -$3.09M |