Altimmune
      
      
        
          ALT
        
        
      
    
  
          ALT
        
        
      173 hedge funds and large institutions have $191M invested in Altimmune in 2025 Q1 according to their latest regulatory filings, with 26 funds opening new positions, 53 increasing their positions, 52 reducing their positions, and 29 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 funds holding in top 10
Funds holding in top 10: →
less funds holding
Funds holding: →
7.34% less ownership
Funds ownership: 56.87% → 49.53% (-7.3%)
10% less first-time investments, than exits
New positions opened: 26 | Existing positions closed: 29
35% less capital invested
Capital invested by funds: $292M → $191M (-$101M)
    
      Holders
    
  
  
    
      
        
      
        173
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        1
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $13.5M
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $10.3M
      
    
      
    
  
Top Buyers
| 1 | +$5.51M | |
| 2 | +$3.83M | |
| 3 | +$2.88M | |
| 4 | 
      Schroder Investment Management Group
     
      
        London,
      
      
        United Kingdom
      
     | +$2.84M | 
| 5 | 
      Two Sigma Investments
     
      
      
        New York
      
     | +$2.71M | 
Top Sellers
| 1 | -$19.1M | |
| 2 | -$4.87M | |
| 3 | -$3.28M | |
| 4 | 
      D.E. Shaw & Co
     
      
      
        New York
      
     | -$2.05M | 
| 5 | 
      Morgan Stanley
     
      
      
        New York
      
     | -$1.32M | 
 
