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  Landauer (LDR)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2017   Q3 0 0.00 Sell 100.00% <0.01 SEC
2017   Q2 4,629 <0.01 $52.28 $242,000 SEC
2017   Q1 4,629 <0.01 $48.82 $226,000 SEC
2016   Q4 4,629 <0.01 $48.17 $223,000 SEC
2016   Q3 4,629 <0.01 Buy <0.01 $44.50 $206,000 SEC
2014   Q3 0 0.00 Sell 100.00% 0.03 SEC
2014   Q2 50,829 0.03 $42.00 $2,135,000 SEC
2014   Q1 50,829 0.04 Add 9.01% <0.01 $45.33 $2,304,000 SEC
2013   Q4 46,629 0.04 Add 15.62% <0.01 $52.61 $2,453,000 SEC
2013   Q3 40,329 0.04 Add 22.47% <0.01 $51.25 $2,067,000 SEC
2013   Q2 32,929 0.03 Add 2.81% <0.01 $48.32 $1,591,000 SEC
2013   Q1 32,029 0.02 Add 55.26% <0.01 $56.39 $1,806,000 SEC
2012   Q4 20,629 0.03 Add 26.33% <0.01 $61.22 $1,263,000 SEC
2012   Q3 16,329 0.02 Add 36.88% <0.01 $59.71 $975,000 SEC
2012   Q2 11,929 0.02 Add 65.02% <0.01 $57.34 $684,000 SEC
2012   Q1 7,229 0.01 Buy 0.01 $52.98 $383,000 SEC