RHUMBLINE ADVISERS's ownership history for CIEN

RHUMBLINE ADVISERS currently holds 383.5K shares with a market value of $89.7M. It started holding CIEN on 2024-09-30. At its peak, it held 390.1K shares on 2024-12-31. Its highest holding value was $89.7M on 2025-12-31. At its lowest, it held 372.4K shares on 2025-09-30, with a value of $23.0M on 2025-03-31. In the recent 180 days, RHUMBLINE ADVISERS has increased its shares by 4.8K. In the recent year, RHUMBLINE ADVISERS has decreased its shares by 6.7K.