Blackrock
      
      
        
          BLK
        
        
      
    
  
          BLK
        
        
      1,242 hedge funds and large institutions have $51.7B invested in Blackrock in 2018 Q4 according to their latest regulatory filings, with 166 funds opening new positions, 458 increasing their positions, 484 reducing their positions, and 140 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more first-time investments, than exits
New positions opened: | Existing positions closed:
more funds holding
Funds holding: →
more ownership
Funds ownership: →
more funds holding in top 10
Funds holding in top 10: →
5% less repeat investments, than reductions
Existing positions increased: 458 | Existing positions reduced: 484
18% less capital invested
Capital invested by funds: $62.6B → $51.7B (-$11B)
27% less call options, than puts
Call options by funds: $443M | Put options by funds: $609M
    
      Holders
    
  
  
    
      
        
      
        1,242
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        25
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        $443M
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        $609M
      
    
      
    
  
Top Buyers
| 1 | +$209M | |
| 2 | +$149M | |
| 3 | +$122M | |
| 4 | 
    JCM
   
      Junto Capital Management
     
      
      
        New York
      
     | +$83.7M | 
| 5 | 
    PHS
   
      PFM Health Sciences
     
      
        San Francisco,
      
      
        California
      
     | +$65.5M | 
Top Sellers
| 1 | -$186M | |
| 2 | -$170M | |
| 3 | -$121M | |
| 4 | 
      State Street
     
      
        Boston,
      
      
        Massachusetts
      
     | -$93.7M | 
| 5 | 
      Janus Henderson Group
     
      
        London,
      
      
        United Kingdom
      
     | -$87.5M |