Thomas Gayner - Markel Asset Management

Holding/activity history for  SEI Investments (SEIC)

PeriodShares% of PortfolioActivity% Change to PortfolioReported Price
2023   Q4 173,200 0.12 $63.55
2023   Q3 173,200 0.13 $60.23
2023   Q2 173,200 0.12 Reduce 70.60% 0.29 $59.62
2023   Q1 589,200 0.43 $57.55
2022   Q4 589,200 0.46 Add 5.36% 0.02 $58.30
2022   Q3 559,200 0.40 $49.05
2022   Q2 559,200 0.43 Add 25.61% 0.09 $54.02
2022   Q1 445,200 0.32 Add 3.25% 0.01 $60.21
2021   Q4 431,200 0.30 $60.94
2021   Q3 431,200 0.32 Add 0.94% 0.00 $59.30
2021   Q2 427,200 0.34 $61.97
2021   Q1 427,200 0.36 Add 0.23% 0.00 $60.93
2020   Q4 426,200 0.36 Add 11.22% 0.04 $57.47
2020   Q3 383,200 0.33 $50.72
2020   Q2 383,200 0.39 $54.98
2020   Q1 383,200 0.33 $46.34
2019   Q4 383,200 0.35 $65.48
2019   Q3 383,200 0.34 $59.26
2019   Q2 383,200 0.33 $56.10
2019   Q1 383,200 0.34 Add 5.51% 0.02 $52.25
2018   Q4 363,200 0.32 Add 10.33% 0.03 $46.20
2018   Q3 329,200 0.34 Add 7.51% 0.02 $61.10
2018   Q2 306,200 0.35 $62.52
2018   Q1 306,200 0.44 $74.91
2017   Q4 306,200 0.42 $71.86
2017   Q3 306,200 0.37 $61.06
2017   Q2 306,200 0.35 Add 0.66% 0.00 $53.78
2017   Q1 304,200 0.35 Add 4.82% 0.02 $50.44
2016   Q4 290,200 0.35 Add 6.61% 0.02 $49.36
2016   Q3 272,200 0.32 Add 10.29% 0.03 $45.61
2016   Q2 246,800 0.31 Add 2.83% 0.01 $48.11
2016   Q1 240,000 0.28 Add 1.27% 0.00 $43.05
2015   Q4 237,000 0.34 $52.40
2015   Q3 237,000 0.30 $48.23
2015   Q2 237,000 0.29 $49.03
2015   Q1 237,000 0.26 $44.09
2014   Q4 237,000 0.25 $40.04
2014   Q3 237,000 0.24 $36.16
2014   Q2 237,000 0.22 Add 4.41% 0.01 $32.77
2014   Q1 227,000 0.23 Add 13.50% 0.03 $33.61
2013   Q4 200,000 0.22 Add 53.85% 0.08 $34.73
2013   Q3 130,000 0.14 $30.91
2013   Q2 130,000 0.13 $28.43
2013   Q1 130,000 0.14 Add 18.18% 0.02 $28.85
2012   Q4 110,000 0.11 $23.34
2012   Q3 110,000 0.10 $21.44
2012   Q2 110,000 0.10 $19.89
2012   Q1 110,000 0.10 Add 15.79% 0.01 $20.69
2011   Q4 95,000 0.09 Buy 0.09 $17.35