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  3M Co. (MMM)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2025   Q3 0 0.00 Sell 100.00% 0.15 SEC
2025   Q2 118,250 0.15 Reduce 59.74% 0.23 $152.24 $18,002,380 SEC
2025   Q1 293,750 0.38 $146.86 $43,140,125 SEC
2024   Q4 293,750 0.33 $129.09 $37,920,188 SEC
2024   Q3 293,750 0.36 $136.70 $40,155,625 SEC
2024   Q2 293,750 0.30 $102.19 $30,018,313 SEC
2024   Q1 293,750 0.31 $106.07 $31,158,063 SEC
2023   Q4 293,750 0.35 $109.32 $32,112,750 SEC
2023   Q3 293,750 0.33 $93.62 $27,500,875 SEC
2023   Q2 293,750 0.35 $100.09 $29,401,438 SEC
2023   Q1 293,750 0.39 Add 2.09% <0.01 $105.11 $30,876,063 SEC
2022   Q4 287,750 0.46 Add 6.67% 0.03 $119.92 $34,506,980 SEC
2022   Q3 269,750 0.44 $110.51 $29,809,000 SEC
2022   Q2 269,750 0.50 $129.41 $34,908,000 SEC
2022   Q1 269,750 0.48 Add 6.54% 0.03 $148.88 $40,161,000 SEC
2021   Q4 253,200 0.52 Add 2.43% 0.01 $177.63 $44,976,000 SEC
2021   Q3 247,200 0.55 Add 2.70% 0.01 $175.42 $43,363,000 SEC
2021   Q2 240,700 0.61 Add 1.09% <0.01 $198.63 $47,811,000 SEC
2021   Q1 238,100 0.64 Add 1.67% 0.01 $192.68 $45,877,000 SEC
2020   Q4 234,200 0.61 $174.79 $40,936,000 SEC
2020   Q3 234,200 0.64 $160.18 $37,514,000 SEC
2020   Q2 234,200 0.68 $155.99 $36,533,000 SEC
2020   Q1 234,200 0.60 Add 2.49% 0.01 $136.51 $31,970,000 SEC
2019   Q4 228,500 0.57 Add 2.47% 0.01 $176.42 $40,312,000 SEC
2019   Q3 223,000 0.56 Add 7.21% 0.04 $164.40 $36,661,000 SEC
2019   Q2 208,000 0.56 Add 1.96% 0.01 $173.34 $36,054,000 SEC
2019   Q1 204,000 0.72 $207.78 $42,387,000 SEC
2018   Q4 204,000 0.75 $190.54 $38,870,000 SEC
2018   Q3 204,000 0.73 $210.71 $42,985,000 SEC
2018   Q2 204,000 0.75 $196.72 $40,131,000 SEC
2018   Q1 204,000 0.86 $219.52 $44,782,000 SEC
2017   Q4 204,000 0.92 $235.37 $48,015,000 SEC
2017   Q3 204,000 0.87 $209.90 $42,820,000 SEC
2017   Q2 204,000 0.92 $208.19 $42,471,000 SEC
2017   Q1 204,000 0.89 $191.33 $39,031,000 SEC
2016   Q4 204,000 0.89 $178.57 $36,428,000 SEC
2016   Q3 204,000 0.94 $176.23 $35,951,000 SEC
2016   Q2 204,000 0.95 $175.12 $35,725,000 SEC
2016   Q1 204,000 0.93 $166.63 $33,993,000 SEC
2015   Q4 204,000 0.84 $150.64 $30,730,000 SEC
2015   Q3 204,000 0.77 $141.77 $28,921,000 SEC
2015   Q2 204,000 0.80 $154.30 $31,477,000 SEC
2015   Q1 204,000 0.87 $164.95 $33,649,000 SEC
2014   Q4 204,000 0.86 $164.32 $33,522,000 SEC
2014   Q3 204,000 0.84 $141.68 $28,902,000 SEC
2014   Q2 204,000 0.87 $143.24 $29,221,000 SEC
2014   Q1 204,000 0.88 Reduce 0.83% <0.01 $135.66 $27,675,000 SEC
2013   Q4 205,700 0.94 $140.25 $28,849,000 SEC
2013   Q3 205,700 0.87 Reduce 0.05% <0.01 $119.41 $24,562,000 SEC
2013   Q2 205,800 0.84 $109.35 $22,504,000 SEC
2013   Q1 205,800 0.85 Add 1.50% 0.01 $106.31 $21,878,000 SEC
2012   Q4 202,750 0.83 Reduce 0.17% <0.01 $92.85 $18,825,000 SEC
2012   Q3 203,100 0.88 Reduce 0.10% <0.01 $92.42 $18,771,000 SEC
2012   Q2 203,300 0.91 Reduce 0.25% <0.01 $89.60 $18,216,000 SEC
2012   Q1 203,800 0.90 Add 8.93% 0.07 $89.21 $18,181,000 SEC
2011   Q4 187,100 0.88 Add 18.57% 0.14 $81.73 $15,292,000 SEC
2011   Q3 157,800 0.73 $71.79 $11,329,000 SEC
2011   Q2 157,800 0.84 $94.85 $14,967,000 SEC
2011   Q1 157,800 0.86 Add 1.94% 0.02 $93.50 $14,754,000 SEC
2010   Q4 154,800 0.79 Add 3.48% 0.03 $86.30 $13,359,000 SEC
2010   Q3 149,600 0.84 Add 11.64% 0.09 $86.71 $12,972,000 SEC
2010   Q2 134,000 0.76 Add 7.54% 0.05 $78.99 $10,585,000 SEC
2010   Q1 124,600 0.70 Add 44.21% 0.21 $83.57 $10,413,000 SEC
2009   Q4 86,400 0.52 $82.67 $7,143,000 SEC
2009   Q3 86,400 0.50 Add 6.14% 0.03 $73.80 $6,376,000 SEC
2009   Q2 81,400 0.48 Add 13.53% 0.06 $60.10 $4,892,000 SEC
2009   Q1 71,700 0.39 Add 0.42% <0.01 $49.72 $3,565,000 SEC
2008   Q4 71,400 0.38 $57.54 $4,108,000 SEC
2008   Q3 71,400 0.33 $68.32 $4,878,000 SEC
2008   Q2 71,400 0.34 $69.58 $4,968,000 SEC
2008   Q1 71,400 0.33 Add 1.56% <0.01 $79.15 $5,651,000 SEC
2007   Q4 70,300 0.32 $84.31 $5,927,000 SEC