Swiss National Bank's ownership history for CIEN

Swiss National Bank currently holds 413.3K shares with a market value of $160.5M. It started holding CIEN on 2024-09-30. At its peak, it held 413.3K shares on 2026-03-31. Its highest holding value was $160.5M on 2026-03-31. At its lowest, it held 271.7K shares on 2025-06-30, with a value of $16.6M on 2025-03-31. In the recent 180 days, Swiss National Bank has increased its shares by 139.3K. In the recent year, Swiss National Bank has increased its shares by 138.0K.