Round Rock Advisors, LLC's ownership history for OII

Round Rock Advisors, LLC currently holds 11.4K shares with a market value of $281.8K. It started holding OII on 2025-09-30. At its peak, it held 11.4K shares on 2025-09-30. Its highest holding value was $281.8K on 2025-09-30. At its lowest, it held 11.4K shares on 2025-09-30, with a value of $281.8K on 2025-09-30.