Who Owns MARTIN MARIETTA MATLS INC (MLM)? -- Institutional Holders (2026-06-30)

45 institutions reported holding $160.5M of MARTIN MARIETTA MATLS INC (MLM) in SEC 13F filings for 2026-06-30. Largest institutional holders: CONGRESS ASSET MANAGEMENT CO ($35.1M), CONFLUENCE INVESTMENT MANAGEMENT LLC ($30.1M), Gradient Investments LLC ($28.6M), Assenagon Asset Management S.A. ($16.6M), PensionDanmark Pensionsforsikringsaktieselskab ($10.1M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1CONGRESS ASSET MANAGEMENT CO$35.1M60,950Trimmed
2CONFLUENCE INVESTMENT MANAGEMENT LLC$30.1M52,207Trimmed
3Gradient Investments LLC$28.6M49,559Added
4Assenagon Asset Management S.A.$16.6M28,829Added
5PensionDanmark Pensionsforsikringsaktieselskab$10.1M17,532New
6Czech National Bank$9.9M17,091Added
7Mader & Shannon Wealth Management, Inc.$7.9M13,665Added
8Renaissance Investment Group LLC$5.4M9,364Trimmed
9Red Spruce Capital, LLC$3.9M6,846Added
10Apella Capital, LLC$3.6M6,001Added
11GAMMA Investing LLC$1.7M2,916Added
12Valeo Financial Advisors, LLC$1.7M2,899Added
13MassMutual Private Wealth & Trust, FSB$589,9641,023Trimmed
14Avior Wealth Management, LLC$578,0351,002Trimmed
15WILLNER & HELLER, LLC$484,398840Trimmed
16Hennion & Walsh Asset Management, Inc.$464,244805Added
17CX Institutional$441,000764Added
18TRUST POINT INC.$414,651719Trimmed
19Hardin Capital Partners, LLC$405,909700Hold
20THURSTON, SPRINGER, MILLER, HERD & TITAK, INC.$392,111680Trimmed
21Byrne Asset Management LLC$311,418540Hold
22First Citizens Financial Corp$300,461521Trimmed
23COLLECTIVE FAMILY OFFICE LLC$250,865435Trimmed
24Beaird Harris Wealth Management, LLC$247,981430Added
25Breakwater Capital Group$241,061418Hold

Source: SEC Form 13F filings · as of 2026-06-30