Thomas Gayner - Markel Group Inc.
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    129
Portfolio value:    $11,938,885,174
Holdings Activity Buys Sells    History
Holding/activity history for  Aon Plc (AON)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2026   Q1 135,800 0.37 Add 1.31% <0.01 $322.78 $43,833,524 SEC
2025   Q4 134,050 0.38 Add 3.27% 0.01 $352.88 $47,303,564 SEC
2025   Q3 129,800 0.38 $356.58 $46,284,084 SEC
2025   Q2 129,800 0.39 Add 0.27% <0.01 $356.76 $46,307,448 SEC
2025   Q1 129,450 0.46 Add 2.58% 0.01 $399.09 $51,662,202 SEC
2024   Q4 126,200 0.40 Add 5.04% 0.02 $359.16 $45,325,992 SEC
2024   Q3 120,150 0.38 Add 5.44% 0.02 $345.99 $41,570,700 SEC
2024   Q2 113,950 0.33 Add 3.54% 0.01 $293.58 $33,453,441 SEC
2024   Q1 110,050 0.36 Add 4.46% 0.02 $333.72 $36,725,886 SEC
2023   Q4 105,350 0.33 Add 5.83% 0.02 $291.02 $30,658,957 SEC
2023   Q3 99,550 0.39 Add 6.99% 0.03 $324.22 $32,276,101 SEC
2023   Q2 93,050 0.38 Add 7.51% 0.03 $345.20 $32,120,860 SEC
2023   Q1 86,550 0.35 Add 8.12% 0.03 $315.29 $27,288,351 SEC
2022   Q4 80,050 0.32 Add 8.10% 0.02 $300.14 $24,026,207 SEC
2022   Q3 74,050 0.29 Add 7.32% 0.02 $267.87 $19,836,000 SEC
2022   Q2 69,000 0.27 Add 6.24% 0.02 $269.68 $18,608,000 SEC
2022   Q1 64,950 0.25 Add 11.79% 0.03 $325.64 $21,150,000 SEC
2021   Q4 58,100 0.20 Add 12.60% 0.02 $300.57 $17,463,000 SEC
2021   Q3 51,600 0.19 Add 14.92% 0.02 $285.78 $14,746,000 SEC
2021   Q2 44,900 0.14 Add 8.19% 0.01 $238.75 $10,720,000 SEC
2021   Q1 41,500 0.13 Add 12.16% 0.01 $230.12 $9,550,000 SEC
2020   Q4 37,000 0.12 $211.27 $7,817,000 SEC
2020   Q3 37,000 0.13 $206.30 $7,633,000 SEC
2020   Q2 37,000 0.13 $192.59 $7,126,000 SEC
2020   Q1 37,000 0.12 $165.03 $6,106,000 SEC
2019   Q4 37,000 0.11 $208.30 $7,707,000 SEC
2019   Q3 37,000 0.11 $193.57 $7,162,000 SEC
2019   Q2 37,000 0.11 $192.97 $7,140,000 SEC
2019   Q1 37,000 0.11 $170.70 $6,316,000 SEC
2018   Q4 37,000 0.10 $145.35 $5,378,000 SEC
2018   Q3 37,000 0.10 $153.78 $5,690,000 SEC
2018   Q2 37,000 0.09 $137.16 $5,075,000 SEC
2018   Q1 37,000 0.10 $140.32 $5,192,000 SEC
2017   Q4 37,000 0.10 $134.00 $4,958,000 SEC
2017   Q3 37,000 0.11 $146.11 $5,406,000 SEC
2017   Q2 37,000 0.11 $132.95 $4,919,000 SEC
2017   Q1 37,000 0.10 $118.70 $4,392,000 SEC
2016   Q4 37,000 0.10 $111.54 $4,127,000 SEC
2016   Q3 37,000 0.11 $112.49 $4,162,000 SEC
2016   Q2 37,000 0.11 $109.24 $4,042,000 SEC
2016   Q1 37,000 0.11 $104.46 $3,865,000 SEC
2015   Q4 37,000 0.09 Add 32.14% 0.02 $92.22 $3,412,000 SEC
2015   Q3 28,000 0.07 Add 600.00% 0.06 $88.61 $2,481,000 SEC
2015   Q2 4,000 0.01 Buy 0.01 $99.75 $399,000 SEC