YMAB
  
  
      
        Y-mAbs Therapeutics
      
      
        
          YMAB
        
        
      
    
  
          YMAB
        
        
      Delisted
    YMAB was delisted on the 15th of September, 2025.
65 hedge funds and large institutions have $342M invested in Y-mAbs Therapeutics in 2019 Q3 according to their latest regulatory filings, with 11 funds opening new positions, 28 increasing their positions, 14 reducing their positions, and 5 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  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: $ → $
more funds holding
Funds holding: →
6.34% more ownership
Funds ownership: 32.09% → 38.43% (+6.3%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
    
      Holders
    
  
  
    
      
        
      
        65
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        1
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        –
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        –
      
    
      
    
  
Top Buyers
| 1 | +$22.3M | |
| 2 | +$10.7M | |
| 3 | +$6.6M | |
| 4 | 
          
   
      BlackRock
     
    
      
      
        New York
      
     
   | 
        +$4.45M | 
| 5 | 
          
   
      Northern Trust
     
    
      
        Chicago,
      
      
        Illinois
      
     
   | 
        +$3.47M | 
Top Sellers
| 1 | -$5.67M | |
| 2 | -$3.03M | |
| 3 | -$686K | |
| 4 | 
          
   
      Deutsche Bank
     
    
      
        Frankfurt Am Main Ge,
      
      
        Germany
      
     
   | 
        -$256K | 
| 5 | 
          
   
      Citigroup
     
    
      
      
        New York
      
     
   | 
        -$138K |