Investment Research & Advisory Group, Inc.'s ownership history for PSC

Investment Research & Advisory Group, Inc. currently holds 2 shares with a market value of $114. It started holding PSC on 2025-06-30. At its peak, it held 2 shares on 2025-09-30. Its highest holding value was $114 on 2025-09-30. At its lowest, it held 1 shares on 2025-06-30, with a value of $53 on 2025-06-30.