IMSR
  
  
      
        Terrestrial Energy
      
      
        
          IMSR
        
        
      
    
  
          IMSR
        
        
      45 hedge funds and large institutions have $213M invested in Terrestrial Energy in 2025 Q1 according to their latest regulatory filings, with 18 funds opening new positions, 3 increasing their positions, 15 reducing their positions, and 8 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more first-time investments, than exits
New positions opened: | Existing positions closed:
more capital invested
Capital invested by funds: $ → $
more funds holding
Funds holding: →
more ownership
Funds ownership: →
80% less repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 15
    
      Holders
    
  
  
    
      
        
      
        45
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        –
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        –
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        –
      
    
      
    
  
Top Buyers
| 1 | +$21.1M | |
| 2 | +$20.7M | |
| 3 | +$10.3M | |
| 4 | 
          
   
    ECA
   
  
      Encompass Capital Advisors
     
    
      
      
        New York
      
     
   | 
        +$10M | 
| 5 | 
          
   
      Calamos Advisors
     
    
      
        Naperville,
      
      
        Illinois
      
     
   | 
        +$5.29M | 
Top Sellers
| 1 | -$13M | |
| 2 | -$5.39M | |
| 3 | -$5.01M | |
| 4 | 
          
   
    FTCM
   
  
      First Trust Capital Management
     
    
      
        Chicago,
      
      
        Illinois
      
     
   | 
        -$3.59M | 
| 5 | 
          
   
    AA
   
  
      AQR Arbitrage
     
    
      
        Greenwich,
      
      
        Connecticut
      
     
   | 
        -$2.91M |