VANGUARD PORTFOLIO MANAGEMENT LLC's ownership history for MKL

VANGUARD PORTFOLIO MANAGEMENT LLC currently holds 524.2K shares with a market value of $1.0B. It started holding MKL on 2026-03-31. At its peak, it held 524.2K shares on 2026-03-31. Its highest holding value was $1.0B on 2026-03-31. At its lowest, it held 524.2K shares on 2026-03-31, with a value of $1.0B on 2026-03-31.