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  Comcast Corp. (CMCSA)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2026   Q1 961,880 0.23 $28.71 $27,615,574 SEC
2025   Q4 961,880 0.23 $29.89 $28,750,593 SEC
2025   Q3 961,880 0.25 $31.42 $30,222,270 SEC
2025   Q2 961,880 0.29 $35.69 $34,329,497 SEC
2025   Q1 961,880 0.32 $36.90 $35,493,372 SEC
2024   Q4 961,880 0.32 Reduce 11.04% 0.05 $37.53 $36,099,356 SEC
2024   Q3 1,081,241 0.41 $41.77 $45,163,437 SEC
2024   Q2 1,081,241 0.42 Add 0.84% <0.01 $39.16 $42,341,397 SEC
2024   Q1 1,072,241 0.46 Add 1.08% <0.01 $43.35 $46,481,647 SEC
2023   Q4 1,060,741 0.51 $43.85 $46,513,494 SEC
2023   Q3 1,060,741 0.57 Add 0.09% <0.01 $44.34 $47,033,256 SEC
2023   Q2 1,059,741 0.52 Add 5.37% 0.03 $41.55 $44,032,239 SEC
2023   Q1 1,005,716 0.49 Add 8.08% 0.04 $37.91 $38,126,693 SEC
2022   Q4 930,572 0.44 Add 12.55% 0.05 $34.97 $32,542,103 SEC
2022   Q3 826,809 0.36 Add 14.06% 0.04 $29.33 $24,251,000 SEC
2022   Q2 724,912 0.41 Add 14.95% 0.05 $39.24 $28,446,000 SEC
2022   Q1 630,612 0.35 Add 18.47% 0.05 $46.82 $29,525,000 SEC
2021   Q4 532,280 0.31 Add 0.76% <0.01 $50.33 $26,790,000 SEC
2021   Q3 528,280 0.38 $55.93 $29,547,000 SEC
2021   Q2 528,280 0.38 Add 0.48% <0.01 $57.02 $30,122,000 SEC
2021   Q1 525,740 0.40 Add 0.72% <0.01 $54.11 $28,447,000 SEC
2020   Q4 522,000 0.41 $52.40 $27,353,000 SEC
2020   Q3 522,000 0.41 $46.26 $24,148,000 SEC
2020   Q2 522,000 0.38 $38.98 $20,348,000 SEC
2020   Q1 522,000 0.34 Add 0.19% <0.01 $34.38 $17,946,000 SEC
2019   Q4 521,000 0.33 $44.97 $23,429,000 SEC
2019   Q3 521,000 0.36 Add 1.76% <0.01 $45.08 $23,486,000 SEC
2019   Q2 512,000 0.34 Add 16.36% 0.05 $42.28 $21,648,000 SEC
2019   Q1 440,000 0.30 Add 10.28% 0.03 $39.98 $17,591,000 SEC
2018   Q4 399,000 0.26 Add 0.76% <0.01 $34.05 $13,586,000 SEC
2018   Q3 396,000 0.24 Add 36.08% 0.06 $35.41 $14,022,000 SEC
2018   Q2 291,000 0.18 Add 37.91% 0.05 $32.81 $9,548,000 SEC
2018   Q1 211,000 0.14 $34.17 $7,210,000 SEC
2017   Q4 211,000 0.16 $40.05 $8,451,000 SEC
2017   Q3 211,000 0.16 $38.48 $8,119,000 SEC
2017   Q2 211,000 0.18 Add 0.96% <0.01 $38.92 $8,212,000 SEC
2017   Q1 209,000 0.18 Add 129.67% 0.10 $37.59 $7,856,000 SEC
2016   Q4 91,000 0.15 Add 21.33% 0.03 $69.05 $6,284,000 SEC
2016   Q3 75,000 0.13 Add 114.29% 0.07 $66.35 $4,976,000 SEC
2016   Q2 35,000 0.06 Buy 0.06 $65.20 $2,282,000 SEC
2010   Q4 0 0.00 Sell 100.00% 0.01 SEC
2010   Q3 10,800 0.01 Reduce 6.49% <0.01 $18.06 $195,000 SEC
2010   Q2 11,550 0.01 Reduce 77.44% 0.05 $17.40 $201,000 SEC
2010   Q1 51,200 0.06 Reduce 5.36% <0.01 $18.83 $964,000 SEC
2009   Q4 54,100 0.07 Reduce 16.25% 0.01 $16.86 $912,000 SEC
2009   Q3 64,600 0.09 $16.87 $1,090,000 SEC
2009   Q2 64,600 0.09 Reduce 2.27% <0.01 $14.46 $934,000 SEC
2009   Q1 66,100 0.10 Reduce 1.12% <0.01 $13.65 $902,000 SEC
2008   Q4 66,850 0.10 Reduce 92.48% 1.08 $16.87 $1,128,000 SEC
2008   Q3 888,800 1.17 $19.63 $17,447,000 SEC
2008   Q2 888,800 1.16 Reduce 1.44% 0.01 $18.97 $16,861,000 SEC
2008   Q1 901,750 1.00 Reduce 1.12% 0.01 $19.34 $17,440,000 SEC
2007   Q4 911,950 0.89 $18.26 $16,652,000 SEC