STATE OF MICHIGAN RETIREMENT SYSTEM's ownership history for CIEN

STATE OF MICHIGAN RETIREMENT SYSTEM currently holds 36.8K shares with a market value of $14.3M. It started holding CIEN on 2024-09-30. At its peak, it held 36.8K shares on 2026-03-31. Its highest holding value was $14.3M on 2026-03-31. At its lowest, it held 33.3K shares on 2025-12-31, with a value of $2.1M on 2025-03-31. In the recent 180 days, STATE OF MICHIGAN RETIREMENT SYSTEM has increased its shares by 3.1K. In the recent year, STATE OF MICHIGAN RETIREMENT SYSTEM has increased its shares by 2.8K.