Corundum Group, Inc.'s ownership history for PH

Corundum Group, Inc. currently holds 696 shares with a market value of $611.8K. It started holding PH on 2025-12-31. At its peak, it held 696 shares on 2025-12-31. Its highest holding value was $611.8K on 2025-12-31. At its lowest, it held 696 shares on 2025-12-31, with a value of $611.8K on 2025-12-31.