Calamos Advisors LLC's ownership history for WMB

Calamos Advisors LLC currently holds 576.0K shares with a market value of $36.5M. It started holding WMB on 2024-09-30. At its peak, it held 576.0K shares on 2025-09-30. Its highest holding value was $36.5M on 2025-09-30. At its lowest, it held 255.1K shares on 2024-09-30, with a value of $11.6M on 2024-09-30. In the recent 180 days, Calamos Advisors LLC has increased its shares by 65.1K. In the recent year, Calamos Advisors LLC has increased its shares by 320.9K.