Warren Buffett - Berkshire Hathaway
Holding/activity history for PetroChina (PTR-OLD)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2007 Q3 | 0 | 0 | Sell 100.00% | 0.16 | |
| 2007 Q2 | 659,000 | 0.16 | $148.68 | ||
| 2007 Q1 | 659,000 | 0.13 | $117.09 | ||
| 2006 Q4 | 659,000 | 0.18 | $140.78 |