William Frels - Mairs & Power
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  Medtox Scientific Inc (MTOX)
← All MTOX superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2012   Q3 0 0.00 Sell 100.00% 0.40 SEC
2012   Q2 567,505 0.40 Reduce 2.71% <0.01 $26.96 $15,300,000 SEC
2012   Q1 583,305 0.25 Add 0.81% <0.01 $16.86 $9,835,000 SEC
2011   Q4 578,605 0.23 Add 0.63% <0.01 $14.05 $8,129,000 SEC
2011   Q3 575,005 0.24 Add 1.04% <0.01 $13.09 $7,527,000 SEC
2011   Q2 569,105 0.13 Add 0.07% <0.01 $17.47 $9,942,000 SEC
2011   Q1 568,705 0.26 Add 0.23% <0.01 $16.40 $9,327,000 SEC
2010   Q4 567,400 0.21 $13.10 $7,433,000 SEC
2010   Q3 567,400 0.10 $11,630.00 $6,598,862,000 SEC
2010   Q2 567,400 0.24 Reduce 0.35% <0.01 $12,300.00 $6,979,020,000 SEC
2010   Q1 569,400 0.09 Add 3.83% <0.01 $10,250.00 $5,836,350,000 SEC
2009   Q4 548,400 0.07 Add 40.15% 0.02 $7,750.00 $4,250,100,000 SEC
2009   Q3 391,300 0.06 Add 305.49% 0.04 $9,100.00 $3,560,830,000 SEC
2009   Q2 96,500 0.02 Buy 0.02 $9,430.00 $909,995,000 SEC