Warren Buffett - Berkshire Hathaway
Holding/activity history for Burlington Northern Santa Fe (BNI)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2009 Q4 | 76,777,029 | 13.07 | $98.62 | ||
| 2009 Q3 | 76,777,029 | 10.84 | $79.83 | ||
| 2009 Q2 | 76,777,029 | 11.52 | $73.54 | ||
| 2009 Q1 | 76,777,029 | 11.30 | Add 9.54% | 0.98 | $60.15 |
| 2008 Q4 | 70,089,829 | 10.23 | Add 9.88% | 0.92 | $75.71 |
| 2008 Q3 | 63,785,418 | 8.44 | $92.43 | ||
| 2008 Q2 | 63,785,418 | 10.03 | $99.89 | ||
| 2008 Q1 | 63,785,418 | 8.85 | Add 4.86% | 0.41 | $92.22 |
| 2007 Q4 | 60,828,818 | 7.36 | Add 14.81% | 0.95 | $83.23 |
| 2007 Q3 | 52,981,000 | 6.54 | Add 35.75% | 1.72 | $81.17 |
| 2007 Q2 | 39,027,430 | 5.35 | Add 12.64% | 0.60 | $85.14 |
| 2007 Q1 | 34,647,376 | 4.85 | Buy | 4.85 | $80.43 |