Calamos Advisors LLC's ownership history for BSX

Calamos Advisors LLC currently holds 894.4K shares with a market value of $87.3M. It started holding BSX on 2024-09-30. At its peak, it held 1.0M shares on 2024-12-31. Its highest holding value was $107.4M on 2025-06-30. At its lowest, it held 894.4K shares on 2025-09-30, with a value of $85.7M on 2024-09-30. In the recent 180 days, Calamos Advisors LLC has decreased its shares by 75.5K. In the recent year, Calamos Advisors LLC has decreased its shares by 128.1K.

It has also owned 1.4K contracts of calls, with the market value of the underlying securities totaling $14.0M on 2024-09-30. At its peak, it held 1.6K contracts of calls on 2024-12-31 and it owned calls with the market value of the underlying securities totaling $14.0M on 2025-06-30. At its lowest, it held 1.3K contracts of calls on 2024-09-30 and it owned calls with the market value of the underlying securities totaling $9.9M on 2024-09-30. In the recent 180 days, Calamos Advisors LLC has decreased its holdings by 255 contracts.