Rallybio
      
      
        
          RLYB
        
        
      
    
  
          RLYB
        
        
      48 hedge funds and large institutions have $10.5M invested in Rallybio in 2025 Q2 according to their latest regulatory filings, with 7 funds opening new positions, 8 increasing their positions, 12 reducing their positions, and 6 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more first-time investments, than exits
New positions opened: | Existing positions closed:
more funds holding
Funds holding: →
more funds holding in top 10
Funds holding in top 10: →
less ownership
Funds ownership: →
33% less repeat investments, than reductions
Existing positions increased: 8 | Existing positions reduced: 12
50% less capital invested
Capital invested by funds: $20.9M → $10.5M (-$10.4M)
    
      Holders
    
  
  
    
      
        
      
        48
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        4
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        –
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        –
      
    
      
    
  
Top Buyers
| 1 | +$175K | |
| 2 | +$35.4K | |
| 3 | +$29.9K | |
| 4 | 
          
   
      Fidelity Investments
     
    
      
        Boston,
      
      
        Massachusetts
      
     
   | 
        +$28.8K | 
| 5 | 
          
   
    VF
   
  
      Virtu Financial
     
    
      
      
        New York
      
     
   | 
        +$19K | 
Top Sellers
| 1 | -$492K | |
| 2 | -$200K | |
| 3 | -$60K | |
| 4 | 
          
   
      Aberdeen Group
     
    
      
        Edinburgh,
      
      
        United Kingdom
      
     
   | 
        -$44.5K | 
| 5 | 
          
   
      Squarepoint
     
    
      
      
        New York
      
     
   | 
        -$21.8K |