ALLIANCEBERNSTEIN L.P.'s ownership history for CIEN

ALLIANCEBERNSTEIN L.P. currently holds 357.6K shares with a market value of $83.6M. It started holding CIEN on 2024-09-30. At its peak, it held 443.3K shares on 2024-12-31. Its highest holding value was $83.6M on 2025-12-31. At its lowest, it held 254.1K shares on 2025-09-30, with a value of $26.1M on 2025-03-31. In the recent 180 days, ALLIANCEBERNSTEIN L.P. has increased its shares by 10.9K. In the recent year, ALLIANCEBERNSTEIN L.P. has decreased its shares by 85.8K.