GFS Advisors, LLC's ownership history for RIO

GFS Advisors, LLC currently holds 255 shares with a market value of $336.8K. It started holding RIO on 2026-03-31. At its peak, it held 255 shares on 2026-03-31. Its highest holding value was $336.8K on 2026-03-31. At its lowest, it held 255 shares on 2026-03-31, with a value of $336.8K on 2026-03-31.