PIN OAK INVESTMENT ADVISORS INC's ownership history for HIO

PIN OAK INVESTMENT ADVISORS INC currently holds 233.1K shares with a market value of $846. It started holding HIO on 2024-09-30. At its peak, it held 256.5K shares on 2024-09-30. Its highest holding value was $901.5K on 2025-09-30. At its lowest, it held 232.3K shares on 2025-03-31, with a value of $846 on 2026-03-31. In the recent 180 days, PIN OAK INVESTMENT ADVISORS INC has increased its shares by 430. In the recent year, PIN OAK INVESTMENT ADVISORS INC has increased its shares by 730.