Warren Buffett - Berkshire Hathaway
Holding/activity history for Tyco International (TYC)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2007 Q3 | 0 | 0 | Sell 100.00% | 0.34 | |
| 2007 Q2 | 6,310,200 | 0.34 | Reduce 36.90% | 0.20 | $33.79 |
| 2007 Q1 | 10,000,000 | 0.55 | $31.55 | ||
| 2006 Q4 | 10,000,000 | 0.58 | $30.40 |