PIOI
  
  
      
        Active Power Inc
      
      
        
          PIOI
        
        
      
    
  
          PIOI
        
        
      Delisted
    PIOI was delisted on the 30th of November, 2016.
29 hedge funds and large institutions have $7.04M invested in Active Power Inc in 2015 Q2 according to their latest regulatory filings, with 4 funds opening new positions, 9 increasing their positions, 5 reducing their positions, and 3 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more first-time investments, than exits
New positions opened: | Existing positions closed:
more funds holding
Funds holding: →
less capital invested
Capital invested by funds: $ → $
    
      Holders
    
  
  
    
      
        
      
        29
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        –
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        –
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        –
      
    
      
    
  
Top Buyers
| 1 | +$576K | |
| 2 | +$124K | |
| 3 | +$40K | |
| 4 | 
      Citadel Advisors
     
      
        Miami,
      
      
        Florida
      
     | +$31K | 
| 5 | 
    BIT
   
      BlackRock Institutional Trust
     
      
        San Francisco,
      
      
        California
      
     | +$30.9K | 
Top Sellers
| 1 | -$345K | |
| 2 | -$59.3K | |
| 3 | -$59K | |
| 4 | 
    APCM
   
      Arbiter Partners Capital Management
     
      
      
        New York
      
     | -$37K | 
| 5 | 
      Northern Trust
     
      
        Chicago,
      
      
        Illinois
      
     | -$14.5K |