SEI INVESTMENTS CO's ownership history for CIEN

SEI INVESTMENTS CO currently holds 144.8K shares with a market value of $56.2M. 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 144.8K shares on 2026-03-31, with a value of $11.1M on 2024-09-30. In the recent 180 days, SEI INVESTMENTS CO has decreased its shares by 165.2K. In the recent year, SEI INVESTMENTS CO has decreased its shares by 61.3K.