MARSHALL WACE, LLP's ownership history for PH

MARSHALL WACE, LLP currently holds 84.6K shares with a market value of $74.4M. It started holding PH on 2024-09-30. At its peak, it held 88.6K shares on 2024-09-30. Its highest holding value was $74.4M on 2025-12-31. At its lowest, it held 383 shares on 2025-09-30, with a value of $290.4K on 2025-09-30. In the recent 180 days, MARSHALL WACE, LLP has increased its shares by 26.1K.