PIOI
  
  
      
        Active Power Inc
      
      
        
          PIOI
        
        
      
    
  
          PIOI
        
        
      Delisted
    PIOI was delisted on the 30th of November, 2016.
28 hedge funds and large institutions have $7.35M invested in Active Power Inc in 2015 Q1 according to their latest regulatory filings, with 4 funds opening new positions, 6 increasing their positions, 8 reducing their positions, and 4 closing their positions.
New
  Increased
  Maintained
  Reduced
  Closed
  more funds holding
Funds holding: →
more first-time investments, than exits
New positions opened: | Existing positions closed:
less capital invested
Capital invested by funds: $ → $
less repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
    
      Holders
    
  
  
    
      
        
      
        28
      
    
      
    
  
    
      Holding in Top 10
    
  
  
    
      
        
      
        –
      
    
      
    
  
    
      Calls
    
  
  
    
      
        
      
        –
      
    
      
    
  
    
      Puts
    
  
  
    
      
        
      
        –
      
    
      
    
  
Top Buyers
| 1 | +$186K | |
| 2 | +$143K | |
| 3 | +$95K | |
| 4 | 
    VKH
   
      Virtu KCG Holdings
     
      
      
        New York
      
     | +$59K | 
| 5 | 
    EIM
   
      Essex Investment Management
     
      
        Boston,
      
      
        Massachusetts
      
     | +$41K | 
Top Sellers
| 1 | -$1.16M | |
| 2 | -$677K | |
| 3 | -$196K | |
| 4 | 
    AA
   
      Ancora Advisors
     
      
        Cleveland,
      
      
        Ohio
      
     | -$37K | 
| 5 | 
    BIT
   
      BlackRock Institutional Trust
     
      
        San Francisco,
      
      
        California
      
     | -$32.4K |