SEI INVESTMENTS CO's ownership history for CIEN

SEI INVESTMENTS CO currently holds 249.4K shares with a market value of $58.3M. It started holding CIEN on 2024-09-30. At its peak, it held 310.0K shares on 2025-09-30. Its highest holding value was $58.3M on 2025-12-31. At its lowest, it held 157.0K shares on 2024-12-31, with a value of $11.1M on 2024-09-30. In the recent 180 days, SEI INVESTMENTS CO has increased its shares by 38.6K. In the recent year, SEI INVESTMENTS CO has increased its shares by 92.4K.