Ciena Corporation shares owned by Parallax Volatility Advisers
Quarter-by-quarter ownership of Ciena Corporation (CIEN) shares owned by Parallax Volatility Advisers
from 13F filings
Historical chart of Parallax Volatility Advisers investment in Ciena Corporation
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Quarterly reported holdings in Ciena Corporation by Parallax Volatility Advisers
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-06-30 | $984k | 12k | 81.33 |
| 2025-03-31 | $7.1M | 117k | 60.43 |
| 2022-12-31 | $270k | 5.3k | 50.98 |
| 2022-09-30 | $250k | 6.2k | 40.38 |
| 2022-06-30 | $247k | 5.4k | 45.79 |
| 2021-12-31 | $18M | 224k | 80.00 |
| 2021-09-30 | $13M | 261k | 50.00 |
| 2021-06-30 | $9.7M | 162k | 60.00 |
| 2021-03-31 | $15M | 295k | 50.00 |
| 2020-12-31 | $35M | 704k | 50.00 |
| 2020-09-30 | $17M | 436k | 40.00 |
| 2020-06-30 | $6.2M | 124k | 50.00 |
| 2020-03-31 | $8.1M | 204k | 40.00 |
| 2019-12-31 | $22M | 556k | 40.00 |
| 2019-09-30 | $14M | 341k | 40.00 |
| 2019-06-30 | $14M | 339k | 40.00 |
| 2019-03-31 | $3.0M | 85k | 35.00 |
| 2018-12-31 | $325k | 9.6k | 34.00 |
| 2018-03-31 | $150k | 5.8k | 25.91 |
| 2017-12-31 | $3.9M | 186k | 20.93 |
| 2017-09-30 | $2.5M | 114k | 21.98 |
| 2017-06-30 | $8.6M | 344k | 25.00 |
| 2017-03-31 | $2.7M | 107k | 25.00 |
| 2016-12-31 | $2.3M | 113k | 20.00 |
| 2016-09-30 | $1.5M | 66k | 22.00 |
| 2016-06-30 | $4.0M | 210k | 18.89 |
| 2016-03-31 | $3.1M | 162k | 19.17 |
| 2015-12-31 | $3.0M | 142k | 21.25 |
| 2015-09-30 | $519k | 26k | 20.00 |
| 2015-06-30 | $2.1M | 86k | 24.00 |
| 2015-03-31 | $2.5M | 126k | 20.00 |
| 2014-12-31 | $2.7M | 138k | 20.00 |
| 2014-09-30 | $1.1M | 53k | 20.00 |
| 2014-06-30 | $330k | 17k | 20.00 |
| 2014-03-31 | $5.7M | 284k | 20.00 |
| 2013-12-31 | $408k | 20k | 20.00 |
| 2013-09-30 | $356k | 14k | 25.00 |
| 2013-06-30 | $124k | 6.2k | 20.00 |
| 2013-03-31 | $11k | 700 | 15.00 |
| 2012-12-31 | $4.1M | 203k | 20.00 |
| 2012-09-30 | $7.9M | 788k | 10.00 |
| 2012-06-30 | $4.2M | 226k | 18.69 |
| 2011-09-30 | $907k | 81k | 11.20 |
| 2011-06-30 | $6.3M | 344k | 18.33 |
| 2011-03-31 | $20M | 754k | 25.83 |
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