Francois Rochon - Giverny Capital
Holding/activity history for Ciena Corp. (CIEN)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2023 Q4 | 625,936 | 1.32 | Reduce 1.50% | 0.02 | $45.01 |
| 2023 Q3 | 635,463 | 1.63 | Reduce 9.68% | 0.17 | $47.26 |
| 2023 Q2 | 703,532 | 1.57 | Add 5.53% | 0.08 | $42.49 |
| 2023 Q1 | 666,676 | 2.11 | Reduce 2.05% | 0.04 | $52.52 |
| 2022 Q4 | 680,657 | 2.15 | Reduce 0.24% | 0.01 | $50.98 |
| 2022 Q3 | 682,286 | 1.87 | Add 1.15% | 0.02 | $40.43 |
| 2022 Q2 | 674,517 | 2.03 | Add 4.42% | 0.09 | $45.70 |
| 2022 Q1 | 645,971 | 2.21 | Add 93.99% | 1.07 | $60.63 |
| 2021 Q4 | 332,984 | 1.37 | Buy | 1.37 | $76.97 |