Calamos Advisors LLC's ownership history for ABT

Calamos Advisors LLC currently holds 510.5K shares with a market value of $68.4M. It started holding ABT on 2024-09-30. At its peak, it held 510.5K shares on 2025-09-30. Its highest holding value was $69.3M on 2025-06-30. At its lowest, it held 341.9K shares on 2024-09-30, with a value of $38.7M on 2024-12-31. In the recent 180 days, Calamos Advisors LLC has increased its shares by 27.5K. In the recent year, Calamos Advisors LLC has increased its shares by 168.6K.