BERKSHIRE ASSET MANAGEMENT LLC/PA's ownership history for GWW

BERKSHIRE ASSET MANAGEMENT LLC/PA currently holds 325 shares with a market value of $354.5K. It started holding GWW on 2025-12-31. At its peak, it held 401 shares on 2025-12-31. Its highest holding value was $404.6K on 2025-12-31. At its lowest, it held 325 shares on 2026-03-31, with a value of $354.5K on 2026-03-31.