Bill & Melinda Gates Foundation Trust
Holding/activity history for Costco Co. (COST)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2012 Q4 | 0 | 0 | Sell 100.00% | 3.54 | |
| 2012 Q3 | 6,128,000 | 3.54 | $100.13 | ||
| 2012 Q2 | 6,128,000 | 3.72 | $95.00 | ||
| 2012 Q1 | 6,128,000 | 3.53 | $90.80 | ||
| 2011 Q4 | 6,128,000 | 3.33 | $83.32 | ||
| 2011 Q3 | 6,128,000 | 3.43 | $82.13 | ||
| 2011 Q2 | 6,128,000 | 3.29 | $81.24 | ||
| 2011 Q1 | 6,128,000 | 2.89 | $73.32 | ||
| 2010 Q4 | 6,128,000 | 2.92 | $72.21 | ||
| 2010 Q3 | 6,128,000 | 2.70 | $64.49 | ||
| 2010 Q2 | 6,128,000 | 2.83 | $54.83 | ||
| 2010 Q1 | 6,128,000 | 2.89 | $59.71 | ||
| 2009 Q4 | 6,128,000 | 3.46 | $59.17 | ||
| 2009 Q3 | 6,128,000 | 3.41 | $56.38 | ||
| 2009 Q2 | 6,128,000 | 3.74 | $45.78 | ||
| 2009 Q1 | 6,128,000 | 3.50 | $46.32 | ||
| 2008 Q4 | 6,128,000 | 3.54 | Add 8.88% | 0.29 | $52.50 |
| 2008 Q3 | 5,628,000 | 3.26 | Add 9.75% | 0.29 | $64.93 |
| 2008 Q2 | 5,128,000 | 3.92 | $70.14 | ||
| 2008 Q1 | 5,128,000 | 3.51 | $64.97 | ||
| 2007 Q4 | 5,128,000 | 3.54 | Add 5.13% | 0.17 | $69.76 |
| 2007 Q3 | 4,878,000 | 3.28 | $61.37 | ||
| 2007 Q2 | 4,878,000 | 4.30 | $58.52 |