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  VASCO Data Security Intl (VDSI)
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 74,826 0.01 Reduce 54.19% 0.02 $14.35 $1,074,000 SEC
2017   Q1 163,326 0.03 Reduce 45.56% 0.02 $13.50 $2,205,000 SEC
2016   Q4 299,996 0.05 Add 27.49% 0.01 $13.65 $4,095,000 SEC
2016   Q3 235,306 0.05 Add 8.88% <0.01 $17.61 $4,144,000 SEC
2016   Q2 216,106 0.05 Reduce 19.64% 0.01 $16.39 $3,542,000 SEC
2016   Q1 268,906 0.06 Add 4.63% <0.01 $15.40 $4,141,000 SEC
2015   Q4 257,006 0.06 Add 1.22% <0.01 $16.73 $4,300,000 SEC
2015   Q3 253,906 0.07 Add 64.02% 0.03 $17.04 $4,327,000 SEC
2015   Q2 154,806 0.07 Reduce 2.83% <0.01 $30.19 $4,674,000 SEC
2015   Q1 159,316 0.05 Add 29.61% 0.01 $21.54 $3,432,000 SEC
2014   Q4 122,916 0.05 Reduce 11.77% <0.01 $28.21 $3,467,000 SEC
2014   Q3 139,316 0.04 Reduce 17.62% <0.01 $18.78 $2,616,000 SEC
2014   Q2 169,116 0.03 Reduce 15.54% <0.01 $11.60 $1,962,000 SEC
2014   Q1 200,240 0.02 Add 17.65% <0.01 $7.54 $1,510,000 SEC
2013   Q4 170,200 0.02 Add 13.16% <0.01 $7.73 $1,316,000 SEC
2013   Q3 150,400 0.02 $7.89 $1,187,000 SEC
2013   Q2 150,400 0.03 Reduce 18.13% <0.01 $8.31 $1,250,000 SEC
2013   Q1 183,700 0.02 Add 66.39% <0.01 $8.44 $1,550,000 SEC
2012   Q4 110,400 0.02 Add 39.22% <0.01 $8.16 $901,000 SEC
2012   Q3 79,300 0.02 Add 70.54% <0.01 $9.38 $744,000 SEC
2012   Q2 46,500 0.01 Add 69.09% <0.01 $8.17 $380,000 SEC
2012   Q1 27,500 0.01 Add 3.77% <0.01 $10.80 $297,000 SEC
2011   Q4 26,500 <0.01 Add 18.30% <0.01 $6.53 $173,000 SEC
2011   Q3 22,400 <0.01 Buy <0.01 $5.09 $114,000 SEC