YMAB
  
  
      
        Y-mAbs Therapeutics
      
      
        
          YMAB
        
        
      
    
  
          YMAB
        
        
      Delisted
    YMAB was delisted on the 15th of September, 2025.
100 hedge funds and large institutions have $303M invested in Y-mAbs Therapeutics in 2022 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 29 increasing their positions, 32 reducing their positions, and 7 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 repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
2.75% less ownership
Funds ownership: 56.64% → 53.89% (-2.8%)
8% less capital invested
Capital invested by funds: $330M → $303M (-$26.8M)
    
      Holders
    
  
  
    
      
        
      
        100
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        2
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $1.78M
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        –
      
    
      
    
  
Top Buyers
| 1 | +$4.29M | |
| 2 | +$2.54M | |
| 3 | +$1.3M | |
| 4 | 
          
   
      Wellington Management Group
     
    
      
        Boston,
      
      
        Massachusetts
      
     
   | 
        +$1.13M | 
| 5 | 
          
   
      D.E. Shaw & Co
     
    
      
      
        New York
      
     
   | 
        +$1.07M | 
Top Sellers
| 1 | -$9.6M | |
| 2 | -$8.54M | |
| 3 | -$1.71M | |
| 4 | 
          
   
      Invesco
     
    
      
        Atlanta,
      
      
        Georgia
      
     
   | 
        -$1.42M | 
| 5 | 
          
   
      Dimensional Fund Advisors
     
    
      
        Austin,
      
      
        Texas
      
     
   | 
        -$1.26M |