William Frels - Mairs & Power
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    245
Portfolio value:    $9,786,094,433
Holdings Activity Buys Sells    History
Holding/activity history for  SEI Investments Co. (SEIC)
← All SEIC superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2026   Q1 3,300 <0.01 $78.47 $258,951 SEC
2025   Q4 3,300 <0.01 $82.02 $270,666 SEC
2025   Q3 3,300 <0.01 $84.85 $280,005 SEC
2025   Q2 3,300 <0.01 $89.86 $296,538 SEC
2025   Q1 3,300 <0.01 $77.63 $256,179 SEC
2024   Q4 3,300 <0.01 $82.48 $272,184 SEC
2024   Q3 3,300 <0.01 $69.19 $228,327 SEC
2024   Q2 3,300 <0.01 $64.69 $213,477 SEC
2024   Q1 3,300 <0.01 $71.90 $237,270 SEC
2023   Q4 3,300 <0.01 Buy <0.01 $58.34–67.83 · VW $64.47i $209,715 SEC
2022   Q1 0 0.00 Sell 100.00% <0.01 $52.84–62.13 · VW $57.80i SEC
2021   Q4 3,300 <0.01 Buy <0.01 $54.03–64.29 · VW $58.97i $201,000 SEC
2021   Q3 0 0.00 Sell 100.00% <0.01 $57.06–65.22 · VW $60.64i SEC
2021   Q2 3,300 <0.01 $62.12 $205,000 SEC
2021   Q1 3,300 <0.01 Buy <0.01 $55.05–63.83 · VW $60.77i $201,000 SEC
2020   Q1 0 0.00 Sell 100.00% <0.01 $35.41–58.34 · VW $49.32i SEC
2019   Q4 3,300 <0.01 Buy <0.01 $54.34–69.61 · VW $59.55i $216,000 SEC
2018   Q4 0 0.00 Sell 100.00% <0.01 $42.27–54.90 · VW $49.97i SEC
2018   Q3 3,300 <0.01 $61.21 $202,000 SEC
2018   Q2 3,300 <0.01 $62.42 $206,000 SEC
2018   Q1 3,300 <0.01 $74.85 $247,000 SEC
2017   Q4 3,300 <0.01 $71.82 $237,000 SEC
2017   Q3 3,300 <0.01 Buy <0.01 $55.72–70.80 · VW $65.63i $201,000 SEC
2011   Q1 0 0.00 Sell 100.00% <0.01 $21.51–24.24 · VW $23.13i SEC
2010   Q4 9,243 <0.01 Buy <0.01 $22.18–24.88 · VW $23.36i $220,000 SEC
2010   Q2 0 0.00 Sell 100.00% <0.01 $17.35–22.15 · VW $19.07i SEC
2010   Q1 9,243 <0.01 Buy <0.01 $17.44–24.43 · VW $20.99i $203,058,000 SEC
2008   Q4 0 0.00 Sell 100.00% <0.01 $11.62–16.25 · VW $13.24i SEC
2008   Q3 9,243 <0.01 $22,198.85 $205,184,000 SEC
2008   Q2 9,243 <0.01 $23,518.77 $217,384,000 SEC
2008   Q1 9,243 <0.01 $24,688.63 $228,197,000 SEC
2007   Q4 9,243 <0.01 $32.17 $297,331 SEC
2007   Q3 9,243 <0.01 $27,278.48 $252,135,000 SEC
2007   Q2 9,243 <0.01 Reduce 0.01% $22.45–31.13 · VW $26.32i $268,402 SEC
2007   Q1 9,244 <0.01 $30.11 $278,353 SEC
2006   Q4 9,244 <0.01 Reduce 8.49% <0.01 $28.59–32.26 · VW $30.36i $275,257 SEC
2006   Q3 10,102 <0.01 $28.09 $283,788 SEC
2006   Q2 10,102 <0.01 $24.44 $246,868 SEC
2006   Q1 10,102 <0.01 Buy <0.01 $19.72–23.00 · VW $21.80i $204,697 SEC
2005   Q1 0 0.00 Sell 100.00% <0.01 $15.84–19.00 · VW $17.41i SEC
2004   Q4 10,102 <0.01 Buy <0.01 $17.74–21.72 · VW $19.31i $211,768 SEC
Price snapshot:
Current price$96.18
Avg. buy price$63.55
+/- since buy51.35%
52-week low$74.64
52-week high$96.73