Ciena Corporation shares owned by Ardsley Advisory Partners
Quarter-by-quarter ownership of Ciena Corporation (CIEN) shares owned by Ardsley Advisory Partners
from 13F filings
Historical chart of Ardsley Advisory Partners investment in Ciena Corporation
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Quarterly reported holdings in Ciena Corporation by Ardsley Advisory Partners
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-06-30 | $8.9M | 110k | 81.33 |
| 2025-03-31 | $6.9M | 115k | 60.43 |
| 2024-12-31 | $2.1M | 25k | 84.81 |
| 2024-03-31 | $989k | 20k | 49.45 |
| 2019-12-31 | $854k | 20k | 42.70 |
| 2019-09-30 | $549k | 14k | 39.21 |
| 2016-12-31 | $6.1M | 250k | 24.41 |
| 2016-03-31 | $523k | 28k | 19.02 |
| 2014-09-30 | $7.3M | 438k | 16.72 |
| 2014-06-30 | $736k | 34k | 21.65 |
| 2014-03-31 | $5.7M | 250k | 22.74 |
| 2013-06-30 | $291k | 15k | 19.40 |