Aehr Test Systems
      
      
        
          AEHR
        
        
      
    
  
          AEHR
        
        
      121 hedge funds and large institutions have $228M invested in Aehr Test Systems in 2025 Q2 according to their latest regulatory filings, with 27 funds opening new positions, 44 increasing their positions, 29 reducing their positions, and 21 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more funds holding in top 10
Funds holding in top 10: →
more capital invested
Capital invested by funds: $ → $
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more first-time investments, than exits
New positions opened: | Existing positions closed:
12% more call options, than puts
Call options by funds: $19.9M | Put options by funds: $17.7M
5% more funds holding
Funds holding: 115 → 121 (+6)
5.2% less ownership
Funds ownership: 64.38% → 59.18% (-5.2%)
    
      Holders
    
  
  
    
      
        
      
        121
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        2
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $19.9M
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $17.7M
      
    
      
    
  
Top Buyers
| 1 | +$5.75M | |
| 2 | +$2.52M | |
| 3 | +$1.63M | |
| 4 | 
    GCP
   
      GSA Capital Partners
     
      
        London,
      
      
        United Kingdom
      
     | +$1.53M | 
| 5 | 
    PM
   
      Penbrook Management
     
      
      
        New York
      
     | +$1.46M | 
Top Sellers
| 1 | -$24.2M | |
| 2 | -$2.98M | |
| 3 | -$1.3M | |
| 4 | 
    MFS
   
      Mirabella Financial Services
     
      
        London,
      
      
        United Kingdom
      
     | -$926K | 
| 5 | 
      UBS Group
     
      
        Zurich,
      
      
        Switzerland
      
     | -$888K |