Bill Ackman - Pershing Square Capital Management,
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    11
Portfolio value:    $13,714,299,861
Holdings Activity Buys Sells    History
Holding/activity history for  Automatic Data Processing Inc. (ADP)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2019   Q3 0 0.00 Sell 100.00% 9.93 SEC
2019   Q2 4,029,526 9.93 $165.33 $666,202,000 SEC
2019   Q1 4,029,526 9.58 Reduce 1.00% 0.10 $159.74 $643,676,000 SEC
2018   Q4 4,070,126 9.63 Add 1.01% 0.10 $131.12 $533,675,000 SEC
2018   Q3 4,029,427 12.90 Reduce 4.64% 0.49 $150.66 $607,073,000 SEC
2018   Q2 4,225,365 10.62 Reduce 46.80% 9.50 $134.14 $566,790,000 SEC
2018   Q1 7,941,957 20.29 Reduce 9.73% 1.83 $113.48 $901,253,000 SEC
2017   Q4 8,798,442 18.84 $117.19 $1,031,089,000 SEC
2017   Q3 8,798,442 20.63 Add 402.52% 16.52 $109.32 $961,846,000 SEC
2017   Q2 1,750,867 3.26 Buy 3.26 $102.46 $179,394,000 SEC