MLM — Martin Marietta Matls Inc Institutional Holders · Q3 2026
Who owns Martin Marietta Matls Inc (MLM)? 46 institutions reported holding $253.03M in SEC 13F filings for Q3 2026 (period ended 2026-09-30). Largest holders: Steginsky Capital LLC ($64.8M), Fenimore Asset Management Inc ($42.9M), Border to Coast Pensions Partnership Ltd ($29.3M).
Source: SEC Form 13F filings · as of 2026-09-30