William Frels - Mairs & Power
Holding/activity history for Ciena Corp. (CIEN)
← All CIEN superinvestors
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 2,800 | 0.01 | Reduce 6.67% | <0.01 | $216.07–446.89 · VW $320.33i | $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 | $76.89–146.53 · VW $107.95i | $437,010 | SEC |
| 2025 Q2 | 4,000 | <0.01 | Buy | <0.01 | $49.21–86.21 · VW $73.05i | $325,320 | SEC |
Price snapshot:
Current price$445.44
Avg. buy price$81.33
+/- since buy447.69%
52-week low$76.89
52-week high$637.51