Thomas Gayner - Markel Group Inc.
Holding/activity history for SEI Investments (SEIC)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 173,200 | 0.11 | $78.47 | $13,591,004 | SEC | ||
| 2025 Q4 | 173,200 | 0.11 | $82.02 | $14,205,864 | SEC | ||
| 2025 Q3 | 173,200 | 0.12 | $84.85 | $14,696,020 | SEC | ||
| 2025 Q2 | 173,200 | 0.13 | $89.86 | $15,563,752 | SEC | ||
| 2025 Q1 | 173,200 | 0.12 | $77.63 | $13,445,516 | SEC | ||
| 2024 Q4 | 173,200 | 0.13 | $82.48 | $14,285,536 | SEC | ||
| 2024 Q3 | 173,200 | 0.11 | $69.19 | $11,983,708 | SEC | ||
| 2024 Q2 | 173,200 | 0.11 | $64.69 | $11,204,308 | SEC | ||
| 2024 Q1 | 173,200 | 0.12 | $71.90 | $12,453,080 | SEC | ||
| 2023 Q4 | 173,200 | 0.12 | $63.55 | $11,006,860 | SEC | ||
| 2023 Q3 | 173,200 | 0.13 | $60.23 | $10,431,836 | SEC | ||
| 2023 Q2 | 173,200 | 0.12 | Reduce 70.60% | 0.30 | $59.62 | $10,326,184 | SEC |
| 2023 Q1 | 589,200 | 0.43 | $57.55 | $33,908,460 | SEC | ||
| 2022 Q4 | 589,200 | 0.46 | Add 5.36% | 0.02 | $58.30 | $34,350,360 | SEC |
| 2022 Q3 | 559,200 | 0.41 | $49.05 | $27,429,000 | SEC | ||
| 2022 Q2 | 559,200 | 0.43 | Add 25.61% | 0.09 | $54.02 | $30,207,000 | SEC |
| 2022 Q1 | 445,200 | 0.32 | Add 3.25% | 0.01 | $60.21 | $26,805,000 | SEC |
| 2021 Q4 | 431,200 | 0.30 | $60.94 | $26,277,000 | SEC | ||
| 2021 Q3 | 431,200 | 0.33 | Add 0.94% | <0.01 | $59.30 | $25,570,000 | SEC |
| 2021 Q2 | 427,200 | 0.34 | $61.97 | $26,473,000 | SEC | ||
| 2021 Q1 | 427,200 | 0.36 | Add 0.23% | <0.01 | $60.93 | $26,029,000 | SEC |
| 2020 Q4 | 426,200 | 0.37 | Add 11.22% | 0.04 | $57.47 | $24,494,000 | SEC |
| 2020 Q3 | 383,200 | 0.33 | $50.72 | $19,435,000 | SEC | ||
| 2020 Q2 | 383,200 | 0.39 | $54.98 | $21,069,000 | SEC | ||
| 2020 Q1 | 383,200 | 0.34 | $46.34 | $17,757,000 | SEC | ||
| 2019 Q4 | 383,200 | 0.35 | $65.48 | $25,092,000 | SEC | ||
| 2019 Q3 | 383,200 | 0.35 | $59.26 | $22,708,000 | SEC | ||
| 2019 Q2 | 383,200 | 0.33 | $56.10 | $21,498,000 | SEC | ||
| 2019 Q1 | 383,200 | 0.34 | Add 5.51% | 0.02 | $52.25 | $20,022,000 | SEC |
| 2018 Q4 | 363,200 | 0.32 | Add 10.33% | 0.03 | $46.20 | $16,780,000 | SEC |
| 2018 Q3 | 329,200 | 0.34 | Add 7.51% | 0.02 | $61.10 | $20,114,000 | SEC |
| 2018 Q2 | 306,200 | 0.36 | $62.52 | $19,144,000 | SEC | ||
| 2018 Q1 | 306,200 | 0.44 | $74.91 | $22,937,000 | SEC | ||
| 2017 Q4 | 306,200 | 0.42 | $71.86 | $22,004,000 | SEC | ||
| 2017 Q3 | 306,200 | 0.38 | $61.06 | $18,697,000 | SEC | ||
| 2017 Q2 | 306,200 | 0.36 | Add 0.66% | <0.01 | $53.78 | $16,467,000 | SEC |
| 2017 Q1 | 304,200 | 0.35 | Add 4.82% | 0.02 | $50.44 | $15,344,000 | SEC |
| 2016 Q4 | 290,200 | 0.35 | Add 6.61% | 0.02 | $49.36 | $14,324,000 | SEC |
| 2016 Q3 | 272,200 | 0.32 | Add 10.29% | 0.03 | $45.61 | $12,415,000 | SEC |
| 2016 Q2 | 246,800 | 0.32 | Add 2.83% | <0.01 | $48.11 | $11,874,000 | SEC |
| 2016 Q1 | 240,000 | 0.28 | Add 1.27% | <0.01 | $43.05 | $10,332,000 | SEC |
| 2015 Q4 | 237,000 | 0.34 | $52.40 | $12,419,000 | SEC | ||
| 2015 Q3 | 237,000 | 0.31 | $48.23 | $11,431,000 | SEC | ||
| 2015 Q2 | 237,000 | 0.30 | $49.03 | $11,620,000 | SEC | ||
| 2015 Q1 | 237,000 | 0.27 | $44.09 | $10,449,000 | SEC | ||
| 2014 Q4 | 237,000 | 0.24 | $40.04 | $9,489,000 | SEC | ||
| 2014 Q3 | 237,000 | 0.25 | $36.16 | $8,570,000 | SEC | ||
| 2014 Q2 | 237,000 | 0.23 | Add 4.41% | <0.01 | $32.77 | $7,766,000 | SEC |
| 2014 Q1 | 227,000 | 0.24 | Add 13.50% | 0.03 | $33.61 | $7,629,000 | SEC |
| 2013 Q4 | 200,000 | 0.23 | Add 53.85% | 0.08 | $34.73 | $6,946,000 | SEC |
| 2013 Q3 | 130,000 | 0.14 | $30.91 | $4,018,000 | SEC | ||
| 2013 Q2 | 130,000 | 0.14 | $28.43 | $3,696,000 | SEC | ||
| 2013 Q1 | 130,000 | 0.15 | Add 18.18% | 0.02 | $28.85 | $3,750,000 | SEC |
| 2012 Q4 | 110,000 | 0.11 | $23.34 | $2,567,000 | SEC | ||
| 2012 Q3 | 110,000 | 0.11 | $21.44 | $2,358,000 | SEC | ||
| 2012 Q2 | 110,000 | 0.11 | $19.89 | $2,188,000 | SEC | ||
| 2012 Q1 | 110,000 | 0.11 | Add 15.79% | 0.02 | $20.69 | $2,276,000 | SEC |
| 2011 Q4 | 95,000 | 0.09 | Buy | 0.09 | $17.35 | $1,648,000 | SEC |