YMAB
  
  
      
        Y-mAbs Therapeutics
      
      
        
          YMAB
        
        
      
    
  
          YMAB
        
        
      Delisted
    YMAB was delisted on the 15th of September, 2025.
114 hedge funds and large institutions have $1.11B invested in Y-mAbs Therapeutics in 2020 Q4 according to their latest regulatory filings, with 16 funds opening new positions, 47 increasing their positions, 34 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 in top 10
Funds holding in top 10: →
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more capital invested
Capital invested by funds: $ → $
8% more funds holding
Funds holding: 106 → 114 (+8)
1.9% more ownership
Funds ownership: 53.57% → 55.47% (+1.9%)
    
      Holders
    
  
  
    
      
        
      
        114
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        4
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        –
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        –
      
    
      
    
  
Top Buyers
| 1 | +$15.9M | |
| 2 | +$13.1M | |
| 3 | +$11.7M | |
| 4 | 
          
   
    ACM
   
  
      Ashford Capital Management
     
    
      
        Wilmington,
      
      
        Delaware
      
     
   | 
        +$10.9M | 
| 5 | 
          
   
      Goldman Sachs
     
    
      
      
        New York
      
     
   | 
        +$6.7M | 
Top Sellers
| 1 | -$13.1M | |
| 2 | -$10.7M | |
| 3 | -$5.32M | |
| 4 | 
          
   
      State Street
     
    
      
        Boston,
      
      
        Massachusetts
      
     
   | 
        -$5.29M | 
| 5 | 
          
   
      Axa
     
    
      
        Paris,
      
      
        France
      
     
   | 
        -$4.68M |