Warren Buffett - Berkshire Hathaway
Holding/activity history for Constellation Energy Corp. (CEG)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2009 Q2 | 0 | 0 | Sell 100.00% | 0.75 | |
| 2009 Q1 | 14,828,207 | 0.75 | Reduce 25.48% | 0.26 | $20.66 |
| 2008 Q4 | 19,897,322 | 0.96 | Buy | 0.96 | $25.09 |