PIN OAK INVESTMENT ADVISORS INC's ownership history for ISRG

PIN OAK INVESTMENT ADVISORS INC currently holds 88 shares with a market value of $41. It started holding ISRG on 2024-09-30. At its peak, it held 154 shares on 2025-12-31. Its highest holding value was $29.5K on 2025-09-30. At its lowest, it held 66 shares on 2025-09-30, with a value of $39 on 2024-09-30. In the recent 180 days, PIN OAK INVESTMENT ADVISORS INC has increased its shares by 22. In the recent year, PIN OAK INVESTMENT ADVISORS INC has increased its shares by 7.