YMAB
  
  
      
        Y-mAbs Therapeutics
      
      
        
          YMAB
        
        
      
    
  
          YMAB
        
        
      Delisted
    YMAB was delisted on the 15th of September, 2025.
85 hedge funds and large institutions have $95.4M invested in Y-mAbs Therapeutics in 2023 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 32 increasing their positions, 27 reducing their positions, and 19 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more call options, than puts
Call options by funds: $ | Put options by funds: $
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more capital invested
Capital invested by funds: $ → $
more funds holding in top 10
Funds holding in top 10: →
0.73% less ownership
Funds ownership: 44.21% → 43.48% (-0.73%)
7% less funds holding
Funds holding: 91 → 85 (-6)
32% less first-time investments, than exits
New positions opened: 13 | Existing positions closed: 19
    
      Holders
    
  
  
    
      
        
      
        85
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        1
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $50K
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $2K
      
    
      
    
  
Top Buyers
| 1 | +$2.15M | |
| 2 | +$1.62M | |
| 3 | +$1.61M | |
| 4 | 
          
   
      Nuveen Asset Management
     
    
      
        Chicago,
      
      
        Illinois
      
     
   | 
        +$1.15M | 
| 5 | 
          
   
      Acadian Asset Management
     
    
      
        Boston,
      
      
        Massachusetts
      
     
   | 
        +$1.01M | 
Top Sellers
| 1 | -$3.28M | |
| 2 | -$2.53M | |
| 3 | -$1.95M | |
| 4 | 
          
   
      BlackRock
     
    
      
      
        New York
      
     
   | 
        -$1.09M | 
| 5 | 
          
   
    E
   
  
      Ergoteles
     
    
      
      
        New York
      
     
   | 
        -$936K |