William Blair & Company’s Advisory Board Co ABCO Stock Holding History
Bought
  Maintained
  Sold
  | Quarter | Market Value | Status | Shares | 
        
          
          
            Change in  Stake  | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
| 
        
          
      
        2017
         Q4  | – | Sell | 
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        2017
         Q3  | $3.61M | Sell | 
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        2017
         Q2  | $6.59M | Sell | 
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        2017
         Q1  | $8.41M | Sell | 
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| 
        
          
      
        2016
         Q4  | $6.26M | Sell | 
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        2016
         Q3  | $13.5M | Buy | 
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        2016
         Q2  | $10.3M | Sell | 
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        2016
         Q1  | $17M | Sell | 
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| 
        
          
      
        2015
         Q4  | $29.9M | Buy | 
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        2015
         Q3  | $27M | Buy | 
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| 
        
          
      
        2015
         Q2  | $27M | Buy | 
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        2015
         Q1  | $25.1M | Buy | 
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| 
        
          
      
        2014
         Q4  | $17.1M | Sell | 
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        2014
         Q3  | $21.2M | Buy | 
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| 
        
          
      
        2014
         Q2  | $23.5M | Sell | 
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| 
        
          
      
        2014
         Q1  | $32M | Buy | 
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| 
        
          
      
        2013
         Q4  | $29.5M | Buy | 
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| 
        
          
      
        2013
         Q3  | $24.8M | Buy | 
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        2013
         Q2  | $22.7M | Buy | 
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