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  Ciena Corp. (CIEN)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2026   Q1 2,800 0.01 Reduce 6.67% <0.01 $388.23 $1,087,044 SEC
2025   Q4 3,000 0.01 $233.87 $701,610 SEC
2025   Q3 3,000 <0.01 Reduce 25.00% <0.01 $145.67 $437,010 SEC
2025   Q2 4,000 <0.01 Buy <0.01 $81.33 $325,320 SEC