William Frels - Mairs & Power Inc
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  Schlumberger Ltd. (SLB)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2026   Q1 5,500 <0.01 $51.39 $282,645 SEC
2025   Q4 5,500 <0.01 Reduce 26.90% <0.01 $38.38 $211,090 SEC
2025   Q3 7,524 <0.01 Buy <0.01 $34.37 $258,600 SEC
2025   Q2 0 0.00 Sell 100.00% <0.01 SEC
2025   Q1 5,500 <0.01 $41.80 $229,900 SEC
2024   Q4 5,500 <0.01 $38.34 $210,870 SEC
2024   Q3 5,500 <0.01 Reduce 59.48% <0.01 $41.95 $230,725 SEC
2024   Q2 13,575 0.01 Reduce 6.86% <0.01 $47.18 $640,469 SEC
2024   Q1 14,575 0.01 Reduce 0.34% $54.81 $798,856 SEC
2023   Q4 14,625 0.01 $52.04 $761,085 SEC
2023   Q3 14,625 0.01 Reduce 6.53% <0.01 $58.30 $852,638 SEC
2023   Q2 15,646 0.01 Reduce 16.67% <0.01 $49.12 $768,532 SEC
2023   Q1 18,775 0.01 Reduce 8.41% <0.01 $49.10 $921,853 SEC
2022   Q4 20,500 0.01 Add 5.13% <0.01 $53.46 $1,095,930 SEC
2022   Q3 19,500 0.01 Buy 0.01 $35.90 $700,000 SEC
2022   Q2 0 0.00 Sell 100.00% <0.01 SEC
2022   Q1 5,228 <0.01 Buy <0.01 $41.32 $216,000 SEC
2021   Q3 0 0.00 Sell 100.00% <0.01 SEC
2021   Q2 10,000 <0.01 Reduce 75.62% <0.01 $32.00 $320,000 SEC
2021   Q1 41,023 0.01 Reduce 66.84% 0.02 $27.18 $1,115,000 SEC
2020   Q4 123,711 0.03 Reduce 46.89% 0.02 $21.83 $2,701,000 SEC
2020   Q3 232,940 0.05 Reduce 39.69% 0.04 $15.56 $3,625,000 SEC
2020   Q2 386,231 0.09 Reduce 39.21% 0.05 $18.39 $7,103,000 SEC
2020   Q1 635,304 0.13 Reduce 0.51% <0.01 $13.49 $8,570,000 SEC
2019   Q4 638,529 0.29 Reduce 50.42% 0.27 $40.20 $25,669,000 SEC
2019   Q3 1,287,847 0.53 Reduce 42.56% 0.46 $34.17 $44,006,000 SEC
2019   Q2 2,242,136 1.07 Add 3.71% 0.04 $39.74 $89,102,000 SEC
2019   Q1 2,161,947 1.14 Add 8.18% 0.09 $43.57 $94,196,000 SEC
2018   Q4 1,998,399 0.97 Reduce 5.40% 0.08 $36.08 $72,102,000 SEC
2018   Q3 2,112,380 1.50 Reduce 0.59% 0.01 $60.92 $128,686,000 SEC
2018   Q2 2,124,910 1.77 Reduce 3.57% 0.06 $67.03 $142,433,000 SEC
2018   Q1 2,203,625 1.76 Reduce 2.26% 0.04 $64.78 $142,751,000 SEC
2017   Q4 2,254,556 1.76 Reduce 1.31% 0.03 $67.39 $151,935,000 SEC
2017   Q3 2,284,428 1.91 Add 1.33% 0.03 $69.76 $159,362,000 SEC
2017   Q2 2,254,352 1.79 Add 1.58% 0.03 $65.84 $148,427,000 SEC
2017   Q1 2,219,294 2.12 Add 1.17% 0.02 $78.10 $173,327,000 SEC
2016   Q4 2,193,525 2.36 Add 0.13% <0.01 $83.95 $184,146,000 SEC
2016   Q3 2,190,585 2.27 Reduce 0.95% 0.02 $78.64 $172,268,000 SEC
2016   Q2 2,211,575 2.36 Add 0.00% <0.01 $79.08 $174,891,000 SEC
2016   Q1 2,211,516 2.32 Reduce 0.45% 0.01 $73.75 $163,099,000 SEC
2015   Q4 2,221,524 2.32 Reduce 0.81% 0.02 $69.75 $154,951,000 SEC
2015   Q3 2,239,567 2.41 Add 0.22% <0.01 $68.97 $154,463,000 SEC
2015   Q2 2,234,641 2.73 Reduce 4.13% 0.11 $86.19 $192,604,000 SEC
2015   Q1 2,330,967 2.68 Add 2.02% 0.05 $83.44 $194,496,000 SEC
2014   Q4 2,284,921 2.71 Add 7.39% 0.19 $85.41 $195,155,000 SEC
2014   Q3 2,127,719 3.16 Reduce 0.15% <0.01 $101.69 $216,368,000 SEC
2014   Q2 2,130,854 3.62 Reduce 0.30% <0.01 $117.95 $251,334,000 SEC
2014   Q1 2,137,164 3.23 Add 3.41% 0.11 $97.50 $208,374,000 SEC
2013   Q4 2,066,723 3.00 Add 3.32% 0.10 $90.11 $186,232,000 SEC
2013   Q3 2,000,388 3.20 Add 44.42% 0.98 $88.36 $176,754,000 SEC
2013   Q2 1,385,142 1.99 Add 23.25% 0.38 $71.66 $99,259,000 SEC
2013   Q1 1,123,871 0.86 Add 12.65% 0.10 $74.89 $84,167,000 SEC
2012   Q4 997,688 1.72 Add 13.00% 0.20 $69.30 $69,138,000 SEC
2012   Q3 882,871 1.57 Add 4.94% 0.07 $72.33 $63,858,000 SEC
2012   Q2 841,293 1.42 Add 65.36% 0.56 $64.91 $54,608,000 SEC
2012   Q1 508,754 0.91 Add 1.63% 0.01 $69.93 $35,577,000 SEC
2011   Q4 500,572 0.98 Add 2.36% 0.02 $68.31 $34,194,000 SEC
2011   Q3 489,054 0.94 Buy 0.94 $59.73 $29,211,000 SEC
2011   Q2 0 0.00 Sell 100.00% 1.23 SEC
2011   Q1 483,072 1.23 Reduce 2.44% 0.03 $93.26 $45,051,000 SEC
2010   Q4 495,138 1.19 Reduce 2.02% <0.01 $83.50 $41,344,000 SEC
2010   Q3 505,332 0.49 Add 8.38% 0.04 $61,610.00 $31,133,505,000 SEC
2010   Q1 466,272 0.45 Reduce 1.71% <0.01 $63,460.00 $29,589,621,000 SEC
2009   Q4 474,366 0.49 Reduce 0.91% <0.01 $65,090.00 $30,876,483,000 SEC
2009   Q3 478,706 0.47 Add 2.79% 0.01 $59,600.00 $28,530,878,000 SEC
2009   Q2 465,716 0.48 Add 0.63% <0.01 $54,110.00 $25,199,893,000 SEC
2009   Q1 462,796 0.42 Add 18.91% 0.07 $40,620.00 $18,798,774,000 SEC
2008   Q4 389,191 0.31 Add 19.22% 0.05 $42,330.00 $16,474,455,000 SEC
2008   Q3 326,451 0.37 Reduce 2.60% 0.01 $78,090.00 $25,492,559,000 SEC
2008   Q2 335,175 0.53 Reduce 6.37% 0.03 $107,430.00 $36,007,850,000 SEC
2008   Q1 357,963 0.43 Reduce 0.42% <0.01 $87,000.00 $31,142,781,000 SEC
2007   Q4 359,483 0.72 Reduce 2.24% 0.01 $98,370.00 $35,362,343,000 SEC
2007   Q3 367,728 0.46 Reduce 3.41% 0.01 $105,000.00 $38,611,440,000 SEC
2007   Q2 380,728 0.39 Reduce 4.36% 0.02 $84,940.00 $32,339,036,000 SEC
2007   Q1 398,078 0.35 Add 3.35% 0.01 $69,100.00 $27,507,190,000 SEC
2006   Q4 385,178 0.31 Reduce 4.87% 0.03 $63,160.00 $24,327,842,000 SEC
2006   Q3 404,880 0.69 Reduce 15.14% 0.24 $62,030.00 $25,114,706,000 SEC
2006   Q2 477,138 1.56 Add 130.26% 0.88 $65,110.00 $31,066,455,000 SEC
2006   Q1 207,220 0.36 Reduce 6.28% 0.02 $126,570.00 $26,227,835,000 SEC
2005   Q4 221,095 0.31 Reduce 4.41% 0.03 $97,150.00 $21,479,379,000 SEC
2005   Q3 231,304 0.61 Reduce 0.22% <0.01 $84,380.00 $19,517,432,000 SEC
2005   Q2 231,804 0.28 Add 2.37% <0.01 $75,940.00 $17,603,196,000 SEC
2005   Q1 226,438 0.27 Add 2.21% <0.01 $70,480.00 $15,959,350,000 SEC
2004   Q4 221,538 0.27 Buy 0.27 $66,950.00 $14,831,969,000 SEC
2004   Q3 0 0.00 Sell 100.00% 0.61 SEC
2004   Q2 217,634 0.61 Add 0.18% <0.01 $63,510.00 $13,821,935,000 SEC
2004   Q1 217,234 0.33 Reduce 2.24% <0.01 $63,850.00 $13,870,391,000 SEC
2003   Q4 222,201 0.33 Add 1.18% <0.01 $54,720.00 $12,158,839,000 SEC
2003   Q3 219,601 0.33 Buy 0.33 $48,400.00 $10,628,688,000 SEC
2003   Q2 0 0.00 Sell 100.00% 0.29 SEC
2003   Q1 184,339 0.29 Add 8.03% 0.02 $38,010.00 $7,006,725,000 SEC
2002   Q4 170,639 0.30 Reduce 0.07% <0.01 $42,090.00 $7,182,196,000 SEC
2002   Q3 170,759 0.31 Add 11.26% 0.03 $38,460.00 $6,567,391,000 SEC
2002   Q2 153,471 0.32 Add 13.10% 0.04 $46,500.00 $7,136,402,000 SEC
2002   Q1 135,696 0.70 Add 0.38% <0.01 $58,820.00 $7,981,639,000 SEC
2001   Q4 135,179 0.37 Add 10.30% 0.03 $54,950.00 $7,428,086,000 SEC
2001   Q3 122,559 0.32 Add 45.65% 0.10 $45,700.00 $5,600,946,000 SEC
2001   Q2 84,145 0.50 Buy 0.50 $52,650.00 $4,430,234,000 SEC
2001   Q1 0 0.00 Sell 100.00% 0.28 SEC
2000   Q4 60,920 0.28 Add 0.25% <0.01 $79,937.51 $4,869,793,000 SEC
2000   Q3 60,770 0.33 Reduce 3.95% 0.01 $82,312.51 $5,002,131,000 SEC
2000   Q2 63,270 0.30 Buy 0.30 $74,625.00 $4,721,524,000 SEC
2000   Q1 0 0.00 Sell 100.00% 0.23 SEC
1999   Q4 65,720 0.23 Add 1.39% <0.01 $56,125.00 $3,688,535,000 SEC
1999   Q3 64,820 0.26 Buy 0.26 $62,312.50 $4,039,096,000 SEC