YMAB
  
  
      
        Y-mAbs Therapeutics
      
      
        
          YMAB
        
        
      
    
  
          YMAB
        
        
      Delisted
    YMAB was delisted on the 15th of September, 2025.
91 hedge funds and large institutions have $93.6M invested in Y-mAbs Therapeutics in 2022 Q4 according to their latest regulatory filings, with 20 funds opening new positions, 25 increasing their positions, 33 reducing their positions, and 29 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  less funds holding
Funds holding: →
less ownership
Funds ownership: →
less repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
less first-time investments, than exits
New positions opened: | Existing positions closed:
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
69% less capital invested
Capital invested by funds: $303M → $93.6M (-$210M)
    
      Holders
    
  
  
    
      
        
      
        91
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        1
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $92K
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        –
      
    
      
    
  
Top Buyers
| 1 | +$5.39M | |
| 2 | +$4.25M | |
| 3 | +$2.34M | |
| 4 | 
          
   
      Point72 Asset Management
     
    
      
        Stamford,
      
      
        Connecticut
      
     
   | 
        +$2.19M | 
| 5 | 
          
   
      D.E. Shaw & Co
     
    
      
      
        New York
      
     
   | 
        +$1.72M | 
Top Sellers
| 1 | -$28.1M | |
| 2 | -$9.73M | |
| 3 | -$6.72M | |
| 4 | 
          
   
    MB
   
  
      MPM BioImpact
     
    
      
        Boston,
      
      
        Massachusetts
      
     
   | 
        -$6.4M | 
| 5 | 
          
   
      State Street
     
    
      
        Boston,
      
      
        Massachusetts
      
     
   | 
        -$5.3M |