Wallace Weitz - Weitz Investment Management
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    49
Portfolio value:    $1,432,543,452
Holdings Activity Buys Sells    History
Holding/activity history for  Aon plc (AON)
← All AON superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2026   Q1 213,860 4.82 Reduce 2.23% 0.10 $306.52–344.65 · VW $322.41i $69,029,731 SEC
2025   Q4 218,735 4.58 Add 2.48% 0.11 $304.59–358.55 · VW $332.87i $77,187,207 SEC
2025   Q3 213,450 4.14 $356.58 $76,112,001 SEC
2025   Q2 213,450 4.10 $356.76 $76,150,422 SEC
2025   Q1 213,450 4.53 Reduce 18.20% 0.88 $323.73–412.97 · VW $369.59i $85,185,761 SEC
2024   Q4 260,950 4.84 $359.16 $93,722,802 SEC
2024   Q3 260,950 4.46 $345.99 $90,286,091 SEC
2024   Q2 260,950 4.05 Add 64.85% 1.59 $278.60–345.56 · VW $322.63i $76,609,701 SEC
2024   Q1 158,300 2.68 Add 9.44% 0.23 $268.06–336.06 · VW $295.25i $52,827,876 SEC
2023   Q4 144,650 2.23 $291.02 $42,096,043 SEC
2023   Q3 144,650 2.60 $324.22 $46,898,423 SEC
2023   Q2 144,650 2.68 Reduce 0.52% 0.01 $308.10–347.37 · VW $329.62i $49,933,180 SEC
2023   Q1 145,400 2.66 Reduce 1.69% 0.04 $280.89–338.27 · VW $309.15i $45,843,166 SEC
2022   Q4 147,900 2.54 $300.14 $44,390,706 SEC
2022   Q3 147,900 2.36 $267.87 $39,618,000 SEC
2022   Q2 147,900 2.11 Reduce 6.33% 0.15 $246.21–303.29 · VW $276.25i $39,886,000 SEC
2022   Q1 157,900 2.30 Reduce 37.07% 1.13 $255.90–341.98 · VW $291.18i $51,417,000 SEC
2021   Q4 250,907 3.05 Reduce 36.49% 1.74 $259.59–303.92 · VW $285.22i $75,413,000 SEC
2021   Q3 395,060 4.77 Reduce 6.57% 0.28 $283.56–326.25 · VW $301.86i $112,896,000 SEC
2021   Q2 422,850 4.30 $238.76 $100,960,000 SEC
2021   Q1 422,850 4.34 Add 15.36% 0.58 $221.82–260.97 · VW $245.39i $97,302,000 SEC
2020   Q4 366,550 3.33 Add 14.17% 0.41 $200.65–235.88 · VW $221.41i $77,441,000 SEC
2020   Q3 321,050 3.13 Add 11.73% 0.33 $179.52–216.49 · VW $200.30i $66,233,000 SEC
2020   Q2 287,350 2.77 Add 21.86% 0.50 $177.21–208.74 · VW $195.31i $55,344,000 SEC
2020   Q1 235,800 2.08 Add 5.27% 0.10 $143.93–225.56 · VW $188.81i $38,916,000 SEC
2019   Q4 224,000 1.88 Add 5.16% 0.09 $198.60–238.19 · VW $214.93i $46,657,000 SEC
2019   Q3 213,000 1.73 Add 0.14% <0.01 $184.52–205.87 · VW $198.00i $41,230,000 SEC
2019   Q2 212,700 1.68 Reduce 0.47% <0.01 $179.93–198.61 · VW $191.13i $41,047,000 SEC
2019   Q1 213,700 1.56 Reduce 19.93% 0.37 $156.09–182.61 · VW $172.92i $36,479,000 SEC
2018   Q4 266,899 1.84 Reduce 16.81% 0.35 $135.30–173.53 · VW $160.12i $38,796,000 SEC
2018   Q3 320,841 2.09 Reduce 0.62% 0.01 $144.84–166.41 · VW $158.79i $49,339,000 SEC
2018   Q2 322,841 1.96 Reduce 0.06% <0.01 $134.82–148.28 · VW $142.89i $44,284,000 SEC
2018   Q1 323,029 2.06 Add 0.41% <0.01 $136.30–148.44 · VW $141.54i $45,331,000 SEC
2017   Q4 321,720 1.94 Reduce 0.07% <0.01 $130.87–147.98 · VW $139.72i $43,110,000 SEC
2017   Q3 321,930 2.11 Reduce 12.44% 0.29 $137.85–152.78 · VW $143.62i $47,034,000 SEC
2017   Q2 367,654 2.31 Reduce 11.86% 0.26 $129.82–141.45 · VW $136.81i $48,880,000 SEC
2017   Q1 417,134 2.22 Reduce 5.37% 0.11 $114.95–131.62 · VW $125.83i $49,510,000 SEC
2016   Q4 440,811 2.12 Reduce 10.62% 0.24 $109.82–117.80 · VW $114.42i $49,164,000 SEC
2016   Q3 493,197 2.26 Reduce 11.91% 0.29 $107.19–114.50 · VW $111.93i $55,480,000 SEC
2016   Q2 559,878 2.45 Reduce 14.17% 0.37 $100.55–111.71 · VW $107.87i $61,155,000 SEC
2016   Q1 652,296 2.59 Reduce 1.60% 0.04 $95.60–109.65 · VW $104.84i $68,132,000 SEC
2015   Q4 662,933 2.26 Add 0.21% <0.01 $83.83–97.79 · VW $92.30i $61,129,000 SEC
2015   Q3 661,513 2.00 Add 2.38% 0.05 $86.38–95.75 · VW $92.29i $58,617,000 SEC
2015   Q2 646,113 2.01 Reduce 2.86% 0.06 $89.27–104.70 · VW $95.80i $64,405,000 SEC
2015   Q1 665,145 1.93 Add 1.58% 0.03 $95.29–103.40 · VW $99.97i $63,934,000 SEC
2014   Q4 654,828 1.96 Add 0.98% 0.02 $89.35–107.08 · VW $98.93i $62,097,000 SEC
2014   Q3 648,450 1.91 Reduce 2.05% 0.04 $78.26–92.70 · VW $87.82i $56,850,000 SEC
2014   Q2 662,010 2.03 Reduce 7.37% 0.16 $83.06–91.28 · VW $87.17i $59,640,000 SEC
2014   Q1 714,710 2.19 Reduce 22.19% 0.67 $78.60–90.06 · VW $86.20i $60,236,000 SEC
2013   Q4 918,520 3.00 Reduce 52.16% 3.20 $76.49–87.27 · VW $83.12i $77,055,000 SEC
2013   Q3 1,919,920 6.14 Reduce 7.05% 0.44 $65.91–82.55 · VW $76.70i $142,919,000 SEC
2013   Q2 2,065,430 6.21 Reduce 2.41% 0.15 $62.19–69.59 · VW $66.05i $132,910,000 SEC
2013   Q1 2,116,404 6.39 Reduce 0.98% 0.06 $58.48–67.26 · VW $63.14i $130,159,000 SEC
2012   Q4 2,137,442 6.56 Reduce 0.45% 0.01 $54.65–61.87 · VW $59.20i $118,842,000 SEC
2012   Q3 2,147,032 2.89 Reduce 2.50% 0.06 $51.42–57.92 · VW $55.38i $112,268,000 SEC
2012   Q2 2,202,032 2.58 Buy 2.58 $45.04–53.35 · VW $50.12i $103,011,000 SEC
Price snapshot:
Current price$367.35
Avg. buy price$207.66
+/- since buy76.90%
52-week low$303.79
52-week high$379.20