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  Core Laboratories Inc. (CLB)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2022   Q2 0 0.00 Sell 100.00% <0.01 SEC
2022   Q1 8,685 <0.01 Reduce 4.40% <0.01 $31.66 $275,000 SEC
2021   Q4 9,085 <0.01 $22.34 $203,000 SEC
2021   Q3 9,085 <0.01 Reduce 12.94% <0.01 $27.74 $252,000 SEC
2021   Q2 10,435 <0.01 Reduce 86.83% 0.02 $38.91 $406,000 SEC
2021   Q1 79,263 0.02 Reduce 35.21% 0.01 $28.79 $2,282,000 SEC
2020   Q4 122,345 0.04 Reduce 55.42% 0.03 $26.51 $3,243,000 SEC
2020   Q3 274,442 0.05 Reduce 23.12% 0.02 $15.26 $4,188,000 SEC
2020   Q2 356,982 0.09 Reduce 67.32% 0.11 $20.32 $7,254,000 SEC
2020   Q1 1,092,405 0.16 Add 7.64% 0.01 $10.34 $11,295,000 SEC
2019   Q4 1,014,889 0.43 Add 18.73% 0.07 $37.67 $38,231,000 SEC
2019   Q3 854,821 0.48 Add 123.46% 0.27 $46.62 $39,852,000 SEC
2019   Q2 382,541 0.24 Add 14.91% 0.03 $52.28 $19,999,000 SEC
2019   Q1 332,899 0.28 Add 80.70% 0.13 $68.93 $22,947,000 SEC
2018   Q4 184,225 0.15 Add 78.89% 0.07 $59.66 $10,991,000 SEC
2018   Q3 102,985 0.14 Buy 0.14 $115.83 $11,929,000 SEC
2012   Q1 0 0.00 Sell 100.00% 0.01 SEC
2011   Q4 2,235 0.01 $114.09 $255,000 SEC
2011   Q3 2,235 0.01 Buy 0.01 $89.93 $201,000 SEC