Warren Buffett - Berkshire Hathaway
Holding/activity history for Union Pacific (UNP)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2009 Q4 | 0 | 0 | Sell 100.00% | 0.99 | |
| 2009 Q3 | 19,116,000 | 0.99 | $29.17 | ||
| 2009 Q2 | 19,116,000 | 1.02 | $26.03 | ||
| 2009 Q1 | 19,116,000 | 0.96 | Add 7.32% | 0.07 | $20.56 |
| 2008 Q4 | 17,812,000 | 0.82 | $23.90 | ||
| 2008 Q3 | 17,812,000 | 0.91 | $35.58 | ||
| 2008 Q2 | 17,812,000 | 1.06 | $37.75 | ||
| 2008 Q1 | 17,812,000 | 0.84 | $31.34 | ||
| 2007 Q4 | 17,812,000 | 0.81 | $31.41 | ||
| 2007 Q3 | 17,812,000 | 0.77 | Reduce 39.92% | 0.51 | $28.26 |
| 2007 Q2 | 29,644,800 | 1.37 | Reduce 29.51% | 0.57 | $28.79 |
| 2007 Q1 | 42,052,400 | 1.86 | Buy | 1.86 | $25.39 |