WESTFIELD CAPITAL MANAGEMENT CO LP's ownership history for PH

WESTFIELD CAPITAL MANAGEMENT CO LP currently holds 58.5K shares with a market value of $52.4M. It started holding PH on 2025-09-30. At its peak, it held 58.5K shares on 2026-03-31. Its highest holding value was $52.4M on 2026-03-31. At its lowest, it held 7.2K shares on 2025-09-30, with a value of $5.4M on 2025-09-30. In the recent 180 days, WESTFIELD CAPITAL MANAGEMENT CO LP has increased its shares by 51.3K.