Warren Buffett - Berkshire Hathaway
Holding/activity history for Comcast Corp. CL A Spl (CMCSK-OLD)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2010 Q4 | 0 | 0 | Sell 100.00% | 0.01 | |
| 2010 Q3 | 186,897 | 0.01 | Reduce 98.44% | 0.63 | $17.01 |
| 2010 Q2 | 12,000,000 | 0.42 | $16.43 | ||
| 2010 Q1 | 12,000,000 | 0.42 | $17.97 | ||
| 2009 Q4 | 12,000,000 | 0.33 | $16.01 | ||
| 2009 Q3 | 12,000,000 | 0.34 | $16.08 | ||
| 2009 Q2 | 12,000,000 | 0.35 | $14.10 | ||
| 2009 Q1 | 12,000,000 | 0.38 | $12.87 | ||
| 2008 Q4 | 12,000,000 | 0.37 | $16.15 | ||
| 2008 Q3 | 12,000,000 | 0.34 | $19.72 | ||
| 2008 Q2 | 12,000,000 | 0.35 | $18.76 | ||
| 2008 Q1 | 12,000,000 | 0.34 | $18.97 | ||
| 2007 Q4 | 12,000,000 | 0.32 | $18.12 | ||
| 2007 Q3 | 12,000,000 | 0.44 | $23.96 | ||
| 2007 Q2 | 12,000,000 | 0.54 | $27.96 | ||
| 2007 Q1 | 12,000,000 | 0.53 | $25.47 | ||
| 2006 Q4 | 12,000,000 | 0.63 | $27.92 |