497 institutions reported holding $6.20B of MINE SAFETY (MSA) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($668.0M), BlackRock, Inc. ($581.7M), Ruane, Cunniff & Goldfarb L.P. ($300.5M), STATE STREET CORP ($283.8M), JPMORGAN CHASE & CO ($137.4M). Source: SEC Form 13F.
来源:SEC 13F 申报文件 · 截至 2026-06-30