Holding/activity history for Costco Co. (COST)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2017 Q1 | 0 | 0 | Sell 100.00% | 0.15 | |
| 2016 Q4 | 34,657 | 0.15 | Reduce 12.18% | 0.02 | $160.11 |
| 2016 Q3 | 39,463 | 0.15 | $152.52 | ||
| 2016 Q2 | 39,463 | 0.15 | $157.03 | ||
| 2016 Q1 | 39,463 | 0.13 | $157.59 | ||
| 2015 Q4 | 39,463 | 0.10 | $161.49 | ||
| 2015 Q3 | 39,463 | 0.08 | Reduce 0.01% | 0.00 | $144.57 |
| 2015 Q2 | 39,465 | 0.07 | $135.06 | ||
| 2015 Q1 | 39,465 | 0.08 | $151.50 | ||
| 2014 Q4 | 39,465 | 0.08 | $141.75 | ||
| 2014 Q3 | 39,465 | 0.08 | Reduce 0.25% | 0.00 | $125.33 |
| 2014 Q2 | 39,563 | 0.07 | Reduce 0.09% | 0.00 | $115.16 |
| 2014 Q1 | 39,600 | 0.07 | $111.69 | ||
| 2013 Q4 | 39,600 | 0.07 | $119.02 | ||
| 2013 Q3 | 39,600 | 0.08 | $115.13 | ||
| 2013 Q2 | 39,600 | 0.08 | $110.58 | ||
| 2013 Q1 | 39,600 | 0.08 | Reduce 0.17% | 0.00 | $106.11 |
| 2012 Q4 | 39,666 | 0.08 | $98.77 | ||
| 2012 Q3 | 39,666 | 0.09 | $100.14 | ||
| 2012 Q2 | 39,666 | 0.09 | $94.99 | ||
| 2012 Q1 | 39,666 | 0.08 | $90.81 | ||
| 2011 Q4 | 39,666 | 0.09 | $83.32 | ||
| 2011 Q3 | 39,666 | 0.11 | $82.11 | ||
| 2011 Q2 | 39,666 | 0.10 | $81.23 | ||
| 2011 Q1 | 39,666 | 0.09 | $73.31 | ||
| 2010 Q4 | 39,666 | 0.11 | $72.20 | ||
| 2010 Q3 | 39,666 | 0.10 | $64.49 | ||
| 2010 Q2 | 39,666 | 0.09 | $54.83 | ||
| 2010 Q1 | 39,666 | 0.10 | $59.70 | ||
| 2009 Q4 | 39,666 | 0.10 | $59.17 | ||
| 2009 Q3 | 39,666 | 0.10 | Reduce 0.27% | 0.00 | $56.47 |
| 2009 Q2 | 39,775 | 0.09 | $45.71 | ||
| 2009 Q1 | 39,775 | 0.10 | $46.31 | ||
| 2008 Q4 | 39,775 | 0.10 | $52.50 | ||
| 2008 Q3 | 39,775 | 0.10 | $64.94 | ||
| 2008 Q2 | 39,775 | 0.10 | $70.14 | ||
| 2008 Q1 | 39,775 | 0.09 | $64.97 | ||
| 2007 Q4 | 39,775 | 0.08 | Reduce 0.06% | 0.00 | $69.77 |
| 2007 Q3 | 39,797 | 0.07 | $61.36 | ||
| 2007 Q2 | 39,797 | 0.07 | $58.52 | ||
| 2007 Q1 | 39,797 | 0.07 | $53.85 | ||
| 2006 Q4 | 39,797 | 0.06 | $52.87 |