Grassi Investment Management's ownership history for RIO

Grassi Investment Management currently holds 193.0K shares with a market value of $11.3K. It started holding RIO on 2024-09-30. At its peak, it held 198.8K shares on 2024-09-30. Its highest holding value was $14.1K on 2024-09-30. At its lowest, it held 193.0K shares on 2025-06-30, with a value of $11.3K on 2025-06-30. In the recent 180 days, Grassi Investment Management has decreased its shares by 4.0K.