VANGUARD PORTFOLIO MANAGEMENT LLC's ownership history for PH

VANGUARD PORTFOLIO MANAGEMENT LLC currently holds 1.8M shares with a market value of $1.6B. It started holding PH on 2026-03-31. At its peak, it held 1.8M shares on 2026-03-31. Its highest holding value was $1.6B on 2026-03-31. At its lowest, it held 1.8M shares on 2026-03-31, with a value of $1.6B on 2026-03-31.