CHARLES SCHWAB INVESTMENT MANAGEMENT INC's ownership history for CIEN

CHARLES SCHWAB INVESTMENT MANAGEMENT INC currently holds 1.3M shares with a market value of $493.9M. It started holding CIEN on 2024-09-30. At its peak, it held 1.3M shares on 2026-03-31. Its highest holding value was $493.9M on 2026-03-31. At its lowest, it held 935.7K shares on 2025-12-31, with a value of $57.6M on 2025-03-31. In the recent 180 days, CHARLES SCHWAB INVESTMENT MANAGEMENT INC has increased its shares by 330.5K. In the recent year, CHARLES SCHWAB INVESTMENT MANAGEMENT INC has increased its shares by 319.5K.