Bill Ackman - Pershing Square Capital Management
Holding/activity history for Ceridian Corp. (CEN-OLD)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2007 Q4 | 0 | 0 | Sell 100.00% | 25.18 | |
| 2007 Q3 | 21,432,734 | 25.18 | $34.74 | ||
| 2007 Q2 | 21,432,734 | 30.69 | $35.00 |