Callahan Advisors, LLC's ownership history for SO

Callahan Advisors, LLC currently holds 2.7K shares with a market value of $235.4K. It started holding SO on 2025-03-31. At its peak, it held 2.7K shares on 2025-03-31. Its highest holding value was $255.9K on 2025-09-30. At its lowest, it held 2.7K shares on 2025-03-31, with a value of $235.4K on 2025-12-31. In the recent 180 days, Callahan Advisors, LLC has increased its shares by 0.