YMAB
  
  
      
        Y-mAbs Therapeutics
      
      
        
          YMAB
        
        
      
    
  
          YMAB
        
        
      Delisted
    YMAB was delisted on the 15th of September, 2025.
96 hedge funds and large institutions have $126M invested in Y-mAbs Therapeutics in 2025 Q2 according to their latest regulatory filings, with 13 funds opening new positions, 28 increasing their positions, 36 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 funds holding in top 10
Funds holding in top 10: →
less capital invested
Capital invested by funds: $ → $
less ownership
Funds ownership: →
6% less funds holding
Funds holding: 102 → 96 (-6)
22% less repeat investments, than reductions
Existing positions increased: 28 | Existing positions reduced: 36
32% less first-time investments, than exits
New positions opened: 13 | Existing positions closed: 19
    
      Holders
    
  
  
    
      
        
      
        96
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        1
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $151K
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $2K
      
    
      
    
  
Top Buyers
| 1 | +$1.59M | |
| 2 | +$828K | |
| 3 | +$746K | |
| 4 | 
          
   
    SCM
   
  
      Stonepine Capital Management
     
    
      
        Bend,
      
      
        Oregon
      
     
   | 
        +$695K | 
| 5 | 
          
   
      UBS Group
     
    
      
        Zurich,
      
      
        Switzerland
      
     
   | 
        +$620K | 
Top Sellers
| 1 | -$1.96M | |
| 2 | -$1.47M | |
| 3 | -$936K | |
| 4 | 
          
   
      Wellington Management Group
     
    
      
        Boston,
      
      
        Massachusetts
      
     
   | 
        -$904K | 
| 5 | 
          
   
      BlackRock
     
    
      
      
        New York
      
     
   | 
        -$694K |