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  Alliant Energy (LNT)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2026   Q1 2,889,060 2.12 Reduce 2.30% 0.04 $71.76 $207,318,946 SEC
2025   Q4 2,956,947 1.85 Reduce 1.23% 0.02 $65.01 $192,231,124 SEC
2025   Q3 2,993,643 1.90 Reduce 1.59% 0.03 $67.41 $201,801,475 SEC
2025   Q2 3,042,142 1.82 Reduce 0.08% <0.01 $60.47 $183,958,327 SEC
2025   Q1 3,044,638 2.04 Reduce 22.21% 0.50 $64.35 $195,922,455 SEC
2024   Q4 3,913,967 2.24 Reduce 4.43% 0.10 $59.14 $231,472,008 SEC
2024   Q3 4,095,219 2.34 Add 6.89% 0.15 $60.69 $248,538,841 SEC
2024   Q2 3,831,399 1.88 Add 15.36% 0.25 $50.90 $195,018,209 SEC
2024   Q1 3,321,368 1.62 Add 4.66% 0.07 $50.40 $167,396,947 SEC
2023   Q4 3,173,484 1.72 Add 2.17% 0.04 $51.30 $162,799,729 SEC
2023   Q3 3,105,934 1.77 Add 14.30% 0.22 $48.45 $150,482,502 SEC
2023   Q2 2,717,431 1.55 Add 149.81% 0.93 $52.48 $142,610,779 SEC
2023   Q1 1,087,797 0.67 Add 59.55% 0.25 $53.40 $58,088,360 SEC
2022   Q4 681,800 0.45 Reduce 6.13% 0.03 $55.21 $37,642,178 SEC
2022   Q3 726,317 0.49 Reduce 5.76% 0.03 $52.99 $38,488,000 SEC
2022   Q2 770,745 0.54 Reduce 0.40% <0.01 $58.61 $45,173,000 SEC
2022   Q1 773,831 0.49 Reduce 0.15% <0.01 $62.48 $48,349,000 SEC
2021   Q4 774,984 0.44 Reduce 0.25% <0.01 $61.47 $47,638,000 SEC
2021   Q3 776,895 0.44 Add 0.62% <0.01 $55.98 $43,491,000 SEC
2021   Q2 772,081 0.43 Add 3.78% 0.02 $55.76 $43,051,000 SEC
2021   Q1 743,958 0.42 Add 44.40% 0.13 $54.16 $40,293,000 SEC
2020   Q4 515,221 0.30 Add 129.06% 0.17 $51.53 $26,549,000 SEC
2020   Q3 224,924 0.15 Add 3,903.63% 0.15 $51.65 $11,617,000 SEC
2020   Q2 5,618 <0.01 $47.88 $269,000 SEC
2020   Q1 5,618 <0.01 $48.24 $271,000 SEC
2019   Q4 5,618 <0.01 $54.65 $307,000 SEC
2019   Q3 5,618 <0.01 $53.93 $303,000 SEC
2019   Q2 5,618 <0.01 Reduce 22.27% <0.01 $49.13 $276,000 SEC
2019   Q1 7,228 <0.01 $47.18 $341,000 SEC
2018   Q4 7,228 <0.01 $42.20 $305,000 SEC
2018   Q3 7,228 <0.01 Reduce 4.86% <0.01 $42.61 $308,000 SEC
2018   Q2 7,597 <0.01 Add 5.11% <0.01 $42.39 $322,000 SEC
2018   Q1 7,228 <0.01 $40.81 $295,000 SEC
2017   Q4 7,228 <0.01 $42.61 $308,000 SEC
2017   Q3 7,228 <0.01 Reduce 17.19% <0.01 $41.51 $300,000 SEC
2017   Q2 8,728 <0.01 $40.22 $351,000 SEC
2017   Q1 8,728 <0.01 $39.64 $346,000 SEC
2016   Q4 8,728 <0.01 $37.92 $331,000 SEC
2016   Q3 8,728 <0.01 $38.27 $334,000 SEC
2016   Q2 8,728 <0.01 Add 100.00% <0.01 $39.76 $347,000 SEC
2016   Q1 4,364 <0.01 $74.24 $324,000 SEC
2015   Q4 4,364 <0.01 $62.56 $273,000 SEC
2015   Q3 4,364 <0.01 $58.43 $255,000 SEC
2015   Q2 4,364 <0.01 $57.75 $252,000 SEC
2015   Q1 4,364 <0.01 Reduce 2.96% <0.01 $63.02 $275,000 SEC
2014   Q4 4,497 <0.01 $66.49 $299,000 SEC
2014   Q3 4,497 <0.01 Reduce 1.47% <0.01 $55.37 $249,000 SEC
2014   Q2 4,564 <0.01 $60.91 $278,000 SEC
2014   Q1 4,564 <0.01 Add 15.40% <0.01 $56.75 $259,000 SEC
2013   Q4 3,955 <0.01 Buy <0.01 $51.58 $204,000 SEC
2012   Q3 0 0.00 Sell 100.00% 0.01 SEC
2012   Q2 6,241 0.01 Add 3.31% <0.01 $45.51 $284,000 SEC
2012   Q1 6,041 0.01 Buy 0.01 $43.37 $262,000 SEC