Ciena Corporation shares owned by Gifford Fong Associates
Quarter-by-quarter ownership of Ciena Corporation (CIEN) shares owned by Gifford Fong Associates
from 13F filings
Historical chart of Gifford Fong Associates investment in Ciena Corporation
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Quarterly reported holdings in Ciena Corporation by Gifford Fong Associates
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $1.8M | 12k | 145.65 |
| 2025-06-30 | $997k | 12k | 81.35 |
| 2025-03-31 | $741k | 12k | 60.47 |
| 2024-12-31 | $1.0M | 12k | 84.78 |
| 2024-09-30 | $755k | 12k | 61.61 |
| 2024-06-30 | $590k | 12k | 48.14 |
| 2024-03-31 | $606k | 12k | 49.45 |
| 2023-12-31 | $552k | 12k | 45.04 |
| 2023-09-30 | $579k | 12k | 47.25 |
| 2023-06-30 | $521k | 12k | 42.51 |
| 2023-03-31 | $644k | 12k | 52.55 |
| 2022-12-31 | $625k | 12k | 51.00 |
| 2022-09-30 | $495k | 12k | 40.39 |
| 2022-06-30 | $560k | 12k | 45.70 |
| 2022-03-31 | $743k | 12k | 60.63 |
| 2021-12-31 | $943k | 12k | 76.95 |
| 2021-09-30 | $629k | 12k | 51.33 |
| 2021-06-30 | $697k | 12k | 56.87 |
| 2021-03-31 | $671k | 12k | 54.75 |
| 2020-12-31 | $648k | 12k | 52.88 |
| 2020-09-30 | $486k | 12k | 39.66 |
| 2020-06-30 | $664k | 12k | 54.18 |
| 2020-03-31 | $488k | 12k | 39.82 |
| 2019-12-31 | $523k | 12k | 42.68 |
| 2019-09-30 | $481k | 12k | 39.25 |
| 2018-09-30 | $953k | 31k | 31.23 |
| 2018-06-30 | $5.4M | 202k | 26.51 |
| 2018-03-31 | $5.2M | 202k | 25.90 |