Holding/activity history for Berkshire Hathaway CL A (BRK.A)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2010 Q1 | 0 | 0 | Sell 100.00% | 1.99 | |
| 2009 Q4 | 398 | 1.99 | $99,201.01 | ||
| 2009 Q3 | 398 | 2.02 | Reduce 34.11% | 1.05 | $101,000.00 |
| 2009 Q2 | 604 | 3.23 | Reduce 13.96% | 0.52 | $90,000.00 |
| 2009 Q1 | 702 | 4.30 | Add 7.50% | 0.30 | $86,699.43 |
| 2008 Q4 | 653 | 4.09 | Add 81.89% | 1.84 | $96,600.31 |
| 2008 Q3 | 359 | 2.21 | Buy | 2.21 | $130,598.89 |
| 2007 Q3 | 0 | 0 | Sell 100.00% | 1.04 | |
| 2007 Q2 | 278 | 1.04 | Reduce 69.95% | 2.42 | $109,474.82 |
| 2007 Q1 | 925 | 3.59 | $108,990.27 | ||
| 2006 Q4 | 925 | 3.66 | $109,990.27 |