Bill Ackman - Pershing Square Capital Management
Holding/activity history for Berkshire Hathaway CL B (BRK.B)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2020 Q2 | 0 | 0 | Sell 100.00% | 15.17 | |
| 2020 Q1 | 5,453,360 | 15.17 | Add 35.80% | 4.00 | $182.83 |
| 2019 Q4 | 4,015,594 | 13.88 | $226.50 | ||
| 2019 Q3 | 4,015,594 | 12.87 | Add 14.31% | 1.61 | $208.02 |
| 2019 Q2 | 3,512,997 | 11.16 | Buy | 11.16 | $213.17 |