Holding/activity history for Costco Co. (COST)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2024 Q3 | 39,150 | 0.31 | $886.51 | ||
| 2024 Q2 | 39,150 | 0.33 | $849.99 | ||
| 2024 Q1 | 39,150 | 0.28 | $732.62 | ||
| 2023 Q4 | 39,150 | 0.28 | $660.08 | ||
| 2023 Q3 | 39,150 | 0.27 | $564.96 | ||
| 2023 Q2 | 39,150 | 0.25 | $538.39 | ||
| 2023 Q1 | 39,150 | 0.25 | $496.86 | ||
| 2022 Q4 | 39,150 | 0.24 | $456.50 | ||
| 2022 Q3 | 39,150 | 0.27 | $472.26 | ||
| 2022 Q2 | 39,150 | 0.27 | $479.28 | ||
| 2022 Q1 | 39,150 | 0.27 | $575.86 | ||
| 2021 Q4 | 39,150 | 0.25 | $567.69 | ||
| 2021 Q3 | 39,150 | 0.22 | $449.37 | ||
| 2021 Q2 | 39,150 | 0.20 | $395.68 | ||
| 2021 Q1 | 39,150 | 0.19 | $352.46 | ||
| 2020 Q4 | 39,150 | 0.22 | $376.78 | ||
| 2020 Q3 | 39,150 | 0.24 | $354.99 | ||
| 2020 Q2 | 39,150 | 0.22 | $303.22 | ||
| 2020 Q1 | 39,150 | 0.21 | $285.13 | ||
| 2019 Q4 | 39,150 | 0.16 | $293.92 | ||
| 2019 Q3 | 39,150 | 0.17 | $288.10 | ||
| 2019 Q2 | 39,150 | 0.16 | Add 0.38% | 0.00 | $264.24 |
| 2019 Q1 | 39,000 | 0.16 | $242.15 | ||
| 2018 Q4 | 39,000 | 0.15 | $203.69 | ||
| 2018 Q3 | 39,000 | 0.15 | $234.87 | ||
| 2018 Q2 | 39,000 | 0.15 | $208.97 | ||
| 2018 Q1 | 39,000 | 0.14 | $188.44 | ||
| 2017 Q4 | 39,000 | 0.14 | $186.13 | ||
| 2017 Q3 | 39,000 | 0.13 | $164.28 | ||
| 2017 Q2 | 39,000 | 0.13 | $159.95 | ||
| 2017 Q1 | 39,000 | 0.15 | $167.67 | ||
| 2016 Q4 | 39,000 | 0.15 | $160.13 | ||
| 2016 Q3 | 39,000 | 0.15 | $152.51 | ||
| 2016 Q2 | 39,000 | 0.16 | $157.03 | ||
| 2016 Q1 | 39,000 | 0.16 | $157.59 | ||
| 2015 Q4 | 39,000 | 0.17 | $161.49 | ||
| 2015 Q3 | 39,000 | 0.15 | $144.56 | ||
| 2015 Q2 | 39,000 | 0.13 | $135.05 | ||
| 2015 Q1 | 39,000 | 0.15 | $151.49 | ||
| 2014 Q4 | 39,000 | 0.15 | $141.74 | ||
| 2014 Q3 | 39,000 | 0.14 | $125.33 | ||
| 2014 Q2 | 39,000 | 0.13 | $115.15 | ||
| 2014 Q1 | 39,000 | 0.13 | Reduce 0.76% | 0.00 | $111.67 |
| 2013 Q4 | 39,300 | 0.15 | Reduce 1.01% | 0.00 | $119.01 |
| 2013 Q3 | 39,700 | 0.16 | Reduce 1.49% | 0.00 | $115.16 |
| 2013 Q2 | 40,300 | 0.16 | Reduce 0.49% | 0.00 | $110.57 |
| 2013 Q1 | 40,500 | 0.16 | $106.12 | ||
| 2012 Q4 | 40,500 | 0.17 | $98.74 | ||
| 2012 Q3 | 40,500 | 0.17 | $100.17 | ||
| 2012 Q2 | 40,500 | 0.18 | $94.99 | ||
| 2012 Q1 | 40,500 | 0.17 | $90.79 | ||
| 2011 Q4 | 40,500 | 0.18 | $83.33 | ||
| 2011 Q3 | 40,500 | 0.20 | $82.15 | ||
| 2011 Q2 | 40,500 | 0.17 | $81.23 | ||
| 2011 Q1 | 40,500 | 0.16 | $73.33 | ||
| 2010 Q4 | 40,500 | 0.16 | $72.20 | ||
| 2010 Q3 | 40,500 | 0.16 | Reduce 0.86% | 0.00 | $64.47 |
| 2010 Q2 | 40,850 | 0.15 | Add 17.22% | 0.02 | $54.83 |
| 2010 Q1 | 34,850 | 0.13 | Add 77.35% | 0.06 | $59.71 |
| 2009 Q4 | 19,650 | 0.08 | Add 34.13% | 0.02 | $59.19 |
| 2009 Q3 | 14,650 | 0.06 | Add 25.75% | 0.01 | $56.38 |
| 2009 Q2 | 11,650 | 0.05 | $45.75 | ||
| 2009 Q1 | 11,650 | 0.05 | Add 2.64% | 0.00 | $46.35 |
| 2008 Q4 | 11,350 | 0.05 | $52.42 | ||
| 2008 Q3 | 11,350 | 0.05 | Add 78.74% | 0.02 | $64.93 |
| 2008 Q2 | 6,350 | 0.03 | Buy | 0.03 | $70.24 |