Lumbard & Kellner, LLC's ownership history for CIEN

Lumbard & Kellner, LLC currently holds 1.7K shares with a market value of $252.2K. It started holding CIEN on 2024-09-30. At its peak, it held 66.0K shares on 2024-09-30. Its highest holding value was $5.4M on 2024-12-31. At its lowest, it held 1.7K shares on 2025-09-30, with a value of $252.2K on 2025-09-30. In the recent 180 days, Lumbard & Kellner, LLC has decreased its shares by 62.5K.