William Frels - Mairs & Power
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    245
Portfolio value:    $9,786,094,433
Holdings Activity Buys Sells    History
Holding/activity history for  Automatic Data Processing, Inc. (ADP)
← All ADP superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2026   Q1 124,436 0.26 Add 12.33% 0.03 $188.16–227.43 · VW $212.48i $25,282,906 SEC
2025   Q4 110,781 0.27 Add 5.40% 0.01 $203.26–268.08 · VW $228.57i $28,496,197 SEC
2025   Q3 105,107 0.29 Add 3.67% 0.01 $247.18–302.68 · VW $268.39i $30,848,905 SEC
2025   Q2 101,383 0.31 Reduce 6.27% 0.02 $296.46–329.93 · VW $310.15i $31,266,517 SEC
2025   Q1 108,160 0.34 Reduce 0.23% <0.01 $272.62–327.99 · VW $308.71i $33,046,125 SEC
2024   Q4 108,414 0.31 Reduce 0.11% <0.01 $285.48–316.46 · VW $305.71i $31,736,030 SEC
2024   Q3 108,530 0.28 Add 1.80% <0.01 $267.79–309.63 · VW $294.78i $30,033,507 SEC
2024   Q2 106,616 0.25 Add 10.84% 0.02 $231.27–276.77 · VW $261.32i $25,448,173 SEC
2024   Q1 96,191 0.23 Add 11.55% 0.02 $238.83–254.64 · VW $246.13i $24,022,740 SEC
2023   Q4 86,231 0.21 Add 3.20% <0.01 $227.12–256.57 · VW $244.94i $20,089,236 SEC
2023   Q3 83,561 0.24 Add 21.66% 0.04 $205.53–256.76 · VW $230.74i $20,103,105 SEC
2023   Q2 68,686 0.16 Add 130.02% 0.09 $208.66–256.84 · VW $240.04i $15,096,496 SEC
2023   Q1 29,861 0.08 Add 0.31% <0.01 $201.46–226.43 · VW $212.29i $6,647,954 SEC
2022   Q4 29,768 0.09 Reduce 0.81% <0.01 $218.49–274.92 · VW $237.74i $7,110,384 SEC
2022   Q3 30,012 0.09 Reduce 8.39% <0.01 $218.80–264.95 · VW $249.30i $6,788,000 SEC
2022   Q2 32,760 0.08 Reduce 0.79% <0.01 $196.61–261.59 · VW $234.20i $6,881,000 SEC
2022   Q1 33,022 0.08 Add 73.10% 0.03 $201.15–240.63 · VW $221.57i $7,514,000 SEC
2021   Q4 19,077 0.04 Add 1.06% <0.01 $192.26–248.96 · VW $215.22i $4,704,000 SEC
2021   Q3 18,877 0.04 $199.93 $3,774,000 SEC
2021   Q2 18,877 0.04 Add 198.36% 0.03 $192.18–217.15 · VW $206.12i $3,749,000 SEC
2021   Q1 6,327 0.01 Add 36.74% <0.01 $169.93–198.35 · VW $188.10i $1,192,000 SEC
2020   Q4 4,627 0.01 Reduce 2.88% <0.01 $159.31–179.46 · VW $170.93i $815,000 SEC
2020   Q3 4,764 0.01 Reduce 7.89% <0.01 $127.31–177.19 · VW $159.46i $665,000 SEC
2020   Q2 5,172 0.01 $148.88 $770,000 SEC
2020   Q1 5,172 0.01 $136.70 $707,000 SEC
2019   Q4 5,172 0.01 Add 2.38% <0.01 $150.53–182.32 · VW $162.53i $882,000 SEC
2019   Q3 5,052 0.01 $161.32 $815,000 SEC
2019   Q2 5,052 0.01 $165.28 $835,000 SEC
2019   Q1 5,052 0.01 $159.74 $807,000 SEC
2018   Q4 5,052 0.01 $131.04 $662,000 SEC
2018   Q3 5,052 0.01 $150.63 $761,000 SEC
2018   Q2 5,052 0.01 $134.20 $678,000 SEC
2018   Q1 5,052 0.01 Reduce 25.34% <0.01 $109.14–132.05 · VW $123.74i $573,000 SEC
2017   Q4 6,767 0.01 $117.19 $793,000 SEC
2017   Q3 6,767 0.01 Add 16.33% <0.01 $105.94–118.47 · VW $112.96i $740,000 SEC
2017   Q2 5,817 0.01 Add 18.11% <0.01 $98.50–121.77 · VW $108.91i $596,000 SEC
2017   Q1 4,925 0.01 Add 9.40% <0.01 $95.50–105.68 · VW $101.18i $504,000 SEC
2016   Q4 4,502 0.01 Reduce 16.66% <0.01 $94.11–104.09 · VW $100.27i $463,000 SEC
2016   Q3 5,402 0.01 Add 19.99% <0.01 $85.48–97.54 · VW $93.01i $476,000 SEC
2016   Q2 4,502 0.01 $91.96 $414,000 SEC
2016   Q1 4,502 0.01 $89.74 $404,000 SEC
2015   Q4 4,502 0.01 Reduce 5.76% <0.01 $76.65–87.97 · VW $83.10i $381,000 SEC
2015   Q3 4,777 0.01 Reduce 2.05% <0.01 $74.66–90.67 · VW $83.86i $384,000 SEC
2015   Q2 4,877 0.01 Reduce 1.51% <0.01 $64.29–85.98 · VW $75.86i $391,000 SEC
2015   Q1 4,952 0.01 $85.62 $424,000 SEC
2014   Q4 4,952 0.01 Reduce 16.42% <0.01 $81.71–89.70 · VW $86.75i $413,000 SEC
2014   Q3 5,925 0.01 $72.91 $432,000 SEC
2014   Q2 5,925 0.01 $69.53 $412,000 SEC
2014   Q1 5,925 0.01 Reduce 2.39% <0.01 $64.42–70.13 · VW $68.17i $402,000 SEC
2013   Q4 6,070 0.01 Add 3.94% <0.01 $63.13–72.87 · VW $68.10i $431,000 SEC
2013   Q3 5,840 0.01 Add 2.55% <0.01 $61.25–73.59 · VW $68.36i $371,000 SEC
2013   Q2 5,695 0.01 $60.40 $344,000 SEC
2013   Q1 5,695 <0.01 Add 6.39% <0.01 $53.28–63.21 · VW $58.94i $325,000 SEC
2012   Q4 5,353 <0.01 $50.06 $268,000 SEC
2012   Q3 5,353 <0.01 Reduce 6.01% <0.01 $47.43–52.64 · VW $49.96i $276,000 SEC
2012   Q2 5,695 <0.01 Reduce 2.58% <0.01 $44.68–51.62 · VW $49.10i $278,000 SEC
2012   Q1 5,846 <0.01 $48.40 $283,000 SEC
2011   Q4 5,846 <0.01 Reduce 5.53% <0.01 $44.73–50.13 · VW $47.52i $277,000 SEC
2011   Q3 6,188 <0.01 Reduce 19.49% <0.01 $40.25–46.63 · VW $43.91i $256,000 SEC
2011   Q2 7,686 <0.01 Reduce 26.51% <0.01 $39.26–48.38 · VW $43.85i $355,000 SEC
2011   Q1 10,458 0.01 Reduce 24.63% <0.01 $42.26–48.39 · VW $46.34i $471,000 SEC
2010   Q4 13,875 0.02 Reduce 29.51% <0.01 $39.61–43.92 · VW $42.48i $564,000 SEC
2010   Q3 19,684 0.01 Add 124.96% <0.01 $34.06–40.39 · VW $37.86i $726,362,000 SEC
2010   Q2 8,750 0.01 Reduce 3.75% <0.01 $33.72–37.53 · VW $35.05i $309,277,000 SEC
2010   Q1 9,091 <0.01 Reduce 11.13% <0.01 $23.23–40.16 · VW $33.09i $354,960,000 SEC
2009   Q4 10,230 <0.01 Add 4.23% <0.01 $34.87–39.07 · VW $36.82i $384,609,000 SEC
2009   Q3 9,815 <0.01 Reduce 38.67% <0.01 $32.72–38.96 · VW $36.61i $338,648,000 SEC
2009   Q2 16,003 <0.01 $31,115.01 $497,932,000 SEC
2009   Q1 16,003 0.01 Reduce 10.50% <0.01 $28.12–33.51 · VW $31.67i $493,998,000 SEC
2008   Q4 17,880 0.01 Add 1.60% <0.01 $29.39–35.99 · VW $31.79i $617,559,000 SEC
2008   Q3 17,598 <0.01 $37,532.95 $660,488,000 SEC
2008   Q2 17,598 <0.01 Reduce 2.52% <0.01 $35.35–40.26 · VW $38.19i $647,355,000 SEC
2008   Q1 18,053 <0.01 $37,216.88 $671,882,000 SEC
2007   Q4 18,053 0.01 Reduce 17.66% <0.01 $33.13–41.02 · VW $36.41i $705,801 SEC
2007   Q3 21,926 0.01 $40,324.87 $884,153,000 SEC
2007   Q2 21,926 0.01 Reduce 12.84% <0.01 $39.60–44.16 · VW $41.31i $933,048 SEC
2007   Q1 25,156 0.01 Add 9.69% <0.01 $37.71–43.80 · VW $41.72i $965,580 SEC
2006   Q4 22,933 0.01 Add 11.26% <0.01 $37.16–40.84 · VW $39.15i $895,710 SEC
2006   Q3 20,612 0.02 Reduce 54.01% 0.02 $36.69–39.61 · VW $38.18i $773,867 SEC
2006   Q2 44,822 0.04 Add 13.94% <0.01 $33.71–37.94 · VW $36.36i $1,612,056 SEC
2006   Q1 39,337 0.02 Reduce 11.87% <0.01 $34.35–38.03 · VW $36.15i $1,425,079 SEC
2005   Q4 44,633 0.02 Reduce 0.28% <0.01 $34.30–37.91 · VW $36.28i $1,624,722 SEC
2005   Q3 44,759 0.05 $34.13 $1,527,791 SEC
2005   Q2 44,759 0.02 Reduce 0.81% <0.01 $32.02–35.74 · VW $33.89i $1,489,809 SEC
2005   Q1 45,125 0.03 Add 88.14% 0.01 $33.72–36.13 · VW $34.86i $1,608,626 SEC
2004   Q4 23,985 0.02 Add 35.42% <0.01 $32.62–36.73 · VW $34.47i $843,626 SEC
2004   Q3 17,712 0.02 Add 118.72% 0.01 $31.41–36.20 · VW $34.57i $580,422 SEC
2004   Q2 8,098 0.01 $33.21 $268,953 SEC
2004   Q1 8,098 <0.01 Reduce 10.14% <0.01 $31.98–37.52 · VW $34.91i $269,724 SEC
2003   Q4 9,012 <0.01 Reduce 45.29% <0.01 $30.16–35.43 · VW $33.09i $283,093 SEC
2003   Q3 16,473 0.01 $28.43 $468,344 SEC
2003   Q2 16,473 0.03 Add 35.85% <0.01 $26.53–31.72 · VW $29.97i $442,347 SEC
2003   Q1 12,126 0.01 $24.42 $296,107 SEC
2002   Q4 12,126 0.02 Add 3.55% <0.01 $24.89–36.08 · VW $28.92i $377,467 SEC
2002   Q3 11,710 0.02 Add 1.09% <0.01 $26.77–36.45 · VW $32.57i $322,909 SEC
2002   Q2 11,584 0.02 $34.54 $400,094 SEC
2002   Q1 11,584 0.05 $46.21 $535,326 SEC
2001   Q4 11,584 0.03 $46.71 $541,114 SEC
2001   Q3 11,584 0.02 Add 2.08% <0.01 $32.52–45.18 · VW $40.56i $432,156 SEC
2001   Q2 11,348 0.05 Reduce 10.00% <0.01 $37.15–45.24 · VW $41.15i $447,300 SEC
2001   Q1 12,609 0.03 $43.13 $543,800 SEC
2000   Q4 12,609 0.04 $50.21 $633,125 SEC
2000   Q3 12,609 0.04 Reduce 23.26% 0.01 $46.89–54.97 · VW $51.40i $668,750 SEC
2000   Q2 16,430 0.04 Add 62.27% 0.02 $39.26–48.13 · VW $44.89i $697,919 SEC
2000   Q1 10,125 0.05 $38.27 $387,447 SEC
1999   Q4 10,125 0.03 $42.72 $432,616 SEC
1999   Q3 10,125 0.02 Buy 0.02 $30.98–40.64 · VW $36.93i $358,339 SEC
Price snapshot:
Current price$251.05
Avg. buy price$542.74
+/- since buy-53.74%
52-week low$186.74
52-week high$307.44