Collegium Pharmaceutical
      
      
        
          COLL
        
        
      
    
  
          COLL
        
        
      241 hedge funds and large institutions have $1.1B invested in Collegium Pharmaceutical in 2025 Q1 according to their latest regulatory filings, with 33 funds opening new positions, 76 increasing their positions, 98 reducing their positions, and 25 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more call options, than puts
Call options by funds: $ | Put options by funds: $
more first-time investments, than exits
New positions opened: | Existing positions closed:
more ownership
Funds ownership: →
more funds holding
Funds holding: →
3% more capital invested
Capital invested by funds: $1.06B → $1.1B (+$33M)
22% less repeat investments, than reductions
Existing positions increased: 76 | Existing positions reduced: 98
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
    
      Holders
    
  
  
    
      
        
      
        241
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        –
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $617K
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $184K
      
    
      
    
  
Top Buyers
| 1 | +$19.4M | |
| 2 | +$13.8M | |
| 3 | +$10.9M | |
| 4 |   
      Loomis, Sayles & Company
     
      
        Boston,
      
      
        Massachusetts
      
     | +$5.59M | 
| 5 | 
      Citadel Advisors
     
      
        Miami,
      
      
        Florida
      
     | +$4.69M | 
Top Sellers
| 1 | -$51.4M | |
| 2 | -$4.9M | |
| 3 | -$4.28M | |
| 4 | 
      Man Group
     
      
        London,
      
      
        United Kingdom
      
     | -$3.39M | 
| 5 | 
      BlackRock
     
      
      
        New York
      
     | -$3.02M | 
 
