YMAB
  
  
      
        Y-mAbs Therapeutics
      
      
        
          YMAB
        
        
      
    
  
          YMAB
        
        
      Delisted
    YMAB was delisted on the 15th of September, 2025.
91 hedge funds and large institutions have $330M invested in Y-mAbs Therapeutics in 2022 Q2 according to their latest regulatory filings, with 13 funds opening new positions, 34 increasing their positions, 26 reducing their positions, and 8 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more call options, than puts
Call options by funds: $ | Put options by funds: $
more first-time investments, than exits
New positions opened: | Existing positions closed:
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more capital invested
Capital invested by funds: $ → $
3% more funds holding
Funds holding: 88 → 91 (+3)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
1.25% less ownership
Funds ownership: 57.89% → 56.64% (-1.2%)
    
      Holders
    
  
  
    
      
        
      
        91
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        2
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $2.59M
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $6K
      
    
      
    
  
Top Buyers
| 1 | +$6.3M | |
| 2 | +$3.21M | |
| 3 | +$2.05M | |
| 4 | 
          
   
      Invesco
     
    
      
        Atlanta,
      
      
        Georgia
      
     
   | 
        +$1.52M | 
| 5 | 
          
   
      Millennium Management
     
    
      
      
        New York
      
     
   | 
        +$1.24M | 
Top Sellers
| 1 | -$8.56M | |
| 2 | -$4.99M | |
| 3 | -$3.55M | |
| 4 | 
          
   
      Morgan Stanley
     
    
      
      
        New York
      
     
   | 
        -$2.53M | 
| 5 | 
          
   
      AllianceBernstein
     
    
      
        Nashville,
      
      
        Tennessee
      
     
   | 
        -$2.32M |