Capital World Investors's ownership history for CIEN

Capital World Investors currently holds 1.7M shares with a market value of $669.6M. It started holding CIEN on 2025-03-31. At its peak, it held 1.9M shares on 2025-12-31. Its highest holding value was $669.6M on 2026-03-31. At its lowest, it held 1.7M shares on 2025-06-30, with a value of $112.0M on 2025-03-31. In the recent 180 days, Capital World Investors has decreased its shares by 112.2K. In the recent year, Capital World Investors has decreased its shares by 128.2K.