Ciena Corporation shares owned by Alliancebernstein
Quarter-by-quarter ownership of Ciena Corporation (CIEN) shares owned by Alliancebernstein
from 13F filings
Historical chart of Alliancebernstein investment in Ciena Corporation
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Quarterly reported holdings in Ciena Corporation by Alliancebernstein
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $12M | 268k | 45.01 |
| 2023-09-30 | $122M | 2.6M | 47.26 |
| 2023-06-30 | $117M | 2.7M | 42.49 |
| 2023-03-31 | $226M | 4.3M | 52.52 |
| 2022-12-31 | $177M | 3.5M | 50.98 |
| 2022-09-30 | $178M | 4.4M | 40.43 |
| 2022-06-30 | $225M | 4.9M | 45.70 |
| 2022-03-31 | $319M | 5.3M | 60.63 |
| 2021-09-30 | $188M | 3.7M | 51.35 |
| 2021-06-30 | $186M | 3.3M | 56.89 |
| 2021-03-31 | $140M | 2.6M | 54.72 |
| 2020-12-31 | $139M | 2.6M | 52.85 |
| 2020-09-30 | $135M | 3.4M | 39.69 |
| 2020-06-30 | $192M | 3.5M | 54.16 |
| 2020-03-31 | $169M | 4.3M | 39.81 |
| 2019-12-31 | $137M | 3.2M | 42.69 |
| 2019-09-30 | $164M | 4.2M | 39.23 |
| 2019-03-31 | $120M | 3.2M | 37.34 |
| 2018-12-31 | $97M | 2.8M | 33.91 |
| 2018-09-30 | $143M | 4.6M | 31.24 |
| 2018-06-30 | $80M | 3.0M | 26.51 |
| 2018-03-31 | $119M | 4.6M | 25.90 |
| 2017-12-31 | $53M | 2.5M | 20.93 |
| 2017-09-30 | $75M | 3.4M | 21.97 |
| 2017-06-30 | $17M | 658k | 25.02 |
| 2017-03-31 | $16M | 657k | 23.61 |
| 2016-12-31 | $5.3M | 215k | 24.41 |
| 2016-09-30 | $4.9M | 223k | 21.80 |
| 2016-06-30 | $4.2M | 223k | 18.75 |
| 2015-12-31 | $114M | 5.5M | 20.72 |
| 2015-09-30 | $75M | 3.6M | 20.72 |
| 2015-03-31 | $4.3M | 223k | 19.31 |
| 2014-12-31 | $4.4M | 227k | 19.41 |
| 2014-09-30 | $3.8M | 228k | 16.72 |
| 2014-06-30 | $5.3M | 245k | 21.66 |
| 2014-03-31 | $5.5M | 243k | 22.74 |
| 2013-12-31 | $92M | 3.9M | 23.93 |
| 2013-09-30 | $128M | 5.1M | 24.98 |
| 2013-06-30 | $109M | 5.6M | 19.42 |
| 2013-03-31 | $82M | 5.1M | 16.01 |
| 2012-12-31 | $70M | 4.4M | 15.70 |
| 2012-09-30 | $69M | 5.1M | 13.60 |
| 2012-06-30 | $40M | 2.4M | 16.37 |
| 2012-03-31 | $27M | 1.7M | 16.19 |
| 2011-12-31 | $1.1M | 93k | 12.10 |
| 2011-09-30 | $696k | 62k | 11.20 |
| 2011-06-30 | $1.6M | 90k | 18.38 |
| 2011-03-31 | $2.4M | 93k | 25.94 |
| 2010-12-31 | $2.0M | 96k | 21.05 |