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Disclosery

MLM MARTIN MARIETTA MATLS INC

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Stock (common), issuer CIK 916076

Filings received so far for Q3 2026: 44 13F filers report a position in MLM shares at 2026-09-30. The quarter is not complete: its 13F deadline is 2026-11-14, and the counts grow as filings arrive.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2026

Filers in the available 13F reports with a share position at 2026-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
STEGINSKY CAPITAL LLC135,021$64.8M10.62%-3,52813F-HRTimeline
Fenimore Asset Management Inc89,370$42.9M0.94%+1,22413F-HRTimeline
Border to Coast Pensions Partnership Ltd61,230$29.3M0.4%+5,64613F-HRTimeline
Douglas Lane & Associates, LLC55,793$26.8M0.36%+12,08913F-HRTimeline
CONFLUENCE INVESTMENT MANAGEMENT LLC49,097$23.6M0.39%-3,11013F-HRTimeline
Gradient Investments LLCin group Gradient Investments LLC43,906$21.1M0.3%-5,65313F-HRTimelineGroup
CONGRESS ASSET MANAGEMENT CO34,858$16.7M0.11%-26,09213F-HRTimeline
SAPIENT CAPITAL LLC20,780$9.97M0.13%+813F-HRTimeline
Mn Services Vermogensbeheer B.V.9,700$4.65M0.03%013F-HRTimeline
Red Spruce Capital, LLC6,792$3.26M1.15%-5413F-HRTimeline
Apella Capital, LLC3,465$1.66M0.02%-2,53613F-HRTimeline
Valeo Financial Advisors, LLC3,057$1.47M0.03%+15813F-HRTimeline
GAMMA Investing LLC2,990$1.43M0.05%+7413F-HRTimeline
Farther Finance Advisors, LLC2,205$1.06M0.01%+1,12713F-HRTimeline
Wedmont Private Capital1,458$702K0.02%+70213F-HRTimeline
MassMutual Private Wealth & Trust, FSB1,123$539K0.01%+10013F-HRTimeline
FERGUSON WELLMAN CAPITAL MANAGEMENT, INC1,010$485K0.01%+613F-HRTimeline
Hardin Capital Partners, LLC700$336K0.16%013F-HRTimeline
CX Institutional689$331K0.01%-7513F-HRTimeline
Defender Capital, LLC.650$312K0.1%013F-HRTimeline
BAKER TILLY WEALTH MANAGEMENT, LLC625$300K0.06%-33713F-HRTimeline
Byrne Asset Management LLC540$259K0.14%013F-HRTimeline
First Citizens Financial Corp504$242K0.1%-1713F-HRTimeline
Heartwood Wealth Advisors LLC477$229K0.02%+6413F-HRTimeline
Breakwater Capital Group417$200K0.02%-113F-HRTimeline
Polaris Financial Partners214$104K0.05%13F-HRTimeline
Versant Capital Management, Inc171$82K0.01%-3513F-HRTimeline
EASTERN BANK125$60K<0.01%-5013F-HRTimeline
BURKETT FINANCIAL SERVICES, LLC106$50.9K0.02%+7913F-HRTimeline
Roxbury Financial LLC92$44.1K0.03%013F-HRTimeline
GK Wealth Management LLC67$31.9K0.02%new13F-HRTimeline
ATWOOD & PALMER INC51$24.5K<0.01%013F-HRTimeline
CoreCap Advisors, LLC37$17.8K<0.01%-1013F-HRTimeline
Marquette Asset Management, LLC29$13.9K<0.01%+2413F-HRTimeline
Miller Global Investments, LLC24$11.5K0.01%013F-HRTimeline
Retirement Wealth Solutions LLC23$11.3K0.01%-2213F-HRTimeline
ARMSTRONG ADVISORY GROUP, INC20$9.6K<0.01%013F-HRTimeline
Grove Bank & Trust11$5.28K<0.01%013F-HRTimeline
TOTH FINANCIAL ADVISORY CORP7$3.36K<0.01%new13F-HRTimeline
GILPIN WEALTH MANAGEMENT, LLC7$3.36K<0.01%new13F-HRTimeline
Wealth Enhancement Trust Services, Inc.2$960<0.01%-42413F-HRTimeline
Trust Co1$480<0.01%013F-HRTimeline
Davis Capital Management1$480<0.01%013F-HRTimeline
Planning Strategies Inc.1$480<0.01%new13F-HRTimeline