Warren Buffett - Berkshire Hathaway
Holding/activity history for  Costco Co. (COST)
Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
2020   Q3 | 0 | 0 | Sell 100.00% | 0.65 | |
2020   Q2 | 4,333,363 | 0.65 | $303.21 | ||
2020   Q1 | 4,333,363 | 0.70 | $285.13 | ||
2019   Q4 | 4,333,363 | 0.53 | $293.92 | ||
2019   Q3 | 4,333,363 | 0.58 | $288.11 | ||
2019   Q2 | 4,333,363 | 0.55 | $264.26 | ||
2019   Q1 | 4,333,363 | 0.53 | $242.14 | ||
2018   Q4 | 4,333,363 | 0.48 | $203.71 | ||
2018   Q3 | 4,333,363 | 0.46 | $234.88 | ||
2018   Q2 | 4,333,363 | 0.46 | $208.98 | ||
2018   Q1 | 4,333,363 | 0.43 | $188.43 | ||
2017   Q4 | 4,333,363 | 0.42 | $186.12 | ||
2017   Q3 | 4,333,363 | 0.40 | $164.29 | ||
2017   Q2 | 4,333,363 | 0.43 | $159.93 | ||
2017   Q1 | 4,333,363 | 0.45 | $167.69 | ||
2016   Q4 | 4,333,363 | 0.47 | $160.11 | ||
2016   Q3 | 4,333,363 | 0.51 | $152.51 | ||
2016   Q2 | 4,333,363 | 0.52 | $157.04 | ||
2016   Q1 | 4,333,363 | 0.53 | $157.58 | ||
2015   Q4 | 4,333,363 | 0.53 | $161.50 | ||
2015   Q3 | 4,333,363 | 0.49 | $144.57 | ||
2015   Q2 | 4,333,363 | 0.53 | $135.06 | ||
2015   Q1 | 4,333,363 | 0.61 | $151.50 | ||
2014   Q4 | 4,333,363 | 0.56 | $141.75 | ||
2014   Q3 | 4,333,363 | 0.50 | $125.32 | ||
2014   Q2 | 4,333,363 | 0.46 | $115.16 | ||
2014   Q1 | 4,333,363 | 0.46 | $111.68 | ||
2013   Q4 | 4,333,363 | 0.49 | $119.02 | ||
2013   Q3 | 4,333,363 | 0.54 | $115.17 | ||
2013   Q2 | 4,333,363 | 0.52 | $110.57 | ||
2013   Q1 | 4,333,363 | 0.54 | $106.11 | ||
2012   Q4 | 4,333,363 | 0.57 | $98.73 | ||
2012   Q3 | 4,333,363 | 0.58 | $100.16 | ||
2012   Q2 | 4,333,363 | 0.55 | $95.00 | ||
2012   Q1 | 4,333,363 | 0.52 | $90.80 | ||
2011   Q4 | 4,333,363 | 0.55 | $83.32 | ||
2011   Q3 | 4,333,363 | 0.60 | $82.13 | ||
2011   Q2 | 4,333,363 | 0.62 | $81.24 | ||
2011   Q1 | 4,333,363 | 0.58 | $73.32 | ||
2010   Q4 | 4,333,363 | 0.60 | $72.21 | ||
2010   Q3 | 4,333,363 | 0.58 | $64.49 | ||
2010   Q2 | 4,333,363 | 0.51 | $54.83 | ||
2010   Q1 | 4,333,363 | 0.51 | Reduce 17.52% | 0.11 | $59.71 |
2009   Q4 | 5,254,000 | 0.54 | $59.17 | ||
2009   Q3 | 5,254,000 | 0.52 | $56.38 | ||
2009   Q2 | 5,254,000 | 0.49 | $45.78 | ||
2009   Q1 | 5,254,000 | 0.60 | $46.32 | ||
2008   Q4 | 5,254,000 | 0.53 | $52.50 | ||
2008   Q3 | 5,254,000 | 0.49 | $64.93 | ||
2008   Q2 | 5,254,000 | 0.58 | $70.14 | ||
2008   Q1 | 5,254,000 | 0.51 | $64.97 | ||
2007   Q4 | 5,254,000 | 0.53 | $69.76 | ||
2007   Q3 | 5,254,000 | 0.49 | $61.37 | ||
2007   Q2 | 5,254,000 | 0.49 | $58.52 | ||
2007   Q1 | 5,254,000 | 0.49 | $53.84 | ||
2006   Q4 | 5,254,000 | 0.53 | $52.87 |