Callahan Advisors, LLC's ownership history for ISRG

Callahan Advisors, LLC currently holds 862 shares with a market value of $488.2K. It started holding ISRG on 2024-09-30. At its peak, it held 864 shares on 2025-06-30. Its highest holding value was $488.2K on 2025-12-31. At its lowest, it held 862 shares on 2024-09-30, with a value of $385.5K on 2025-09-30. In the recent 180 days, Callahan Advisors, LLC has decreased its shares by 2. In the recent year, Callahan Advisors, LLC has increased its shares by 0.