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Martin Marietta Materials Inc

MLM
Exchange
NYSE
Industry
Mining & Quarrying of Nonmetallic Minerals (No Fuels)
SEC CIK
0000916076

No open-market purchases or sales by Martin Marietta Materials Inc insiders were filed in the last 90 days; 1,079 institutions reported holding it in 13F filings for Q2 2026, worth $34.2B in total; 4 superinvestors hold it, including TCI Fund Management and Gardner Russo & Quinn.

13F holders, Q4 2025

Institutional positions in Martin Marietta Materials Inc as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,117
+83 vs. Q3 2025
Shares held
59.6M
+1.51M (+2.6%) vs. Q3 2025
Total value
$37.1B
+$525.1M (+1.4%) vs. Q3 2025
New holders
155
362 more added
Sold out
72
352 more reduced

19 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MLM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 1,117 institutions
Q1 2021: 692 institutionsQ2 2021: 696 institutionsQ3 2021: 700 institutionsQ4 2021: 775 institutionsQ1 2022: 763 institutionsQ2 2022: 728 institutionsQ3 2022: 736 institutionsQ4 2022: 768 institutionsQ1 2023: 746 institutionsQ2 2023: 804 institutionsQ3 2023: 815 institutionsQ4 2023: 889 institutionsQ1 2024: 957 institutionsQ2 2024: 940 institutionsQ3 2024: 948 institutionsQ4 2024: 992 institutionsQ1 2025: 953 institutionsQ2 2025: 999 institutionsQ3 2025: 1,053 institutionsQ4 2025: 1,117 institutionsQ1 2026: 1,077 institutionsQ2 2026: 1,079 institutions
Value heldQ4 2025: $37.1B
Q1 2021: $19.4BQ2 2021: $20.3BQ3 2021: $19.7BQ4 2021: $25.6BQ1 2022: $22.7BQ2 2022: $17.5BQ3 2022: $18.8BQ4 2022: $19.7BQ1 2023: $20.7BQ2 2023: $27.0BQ3 2023: $24.1BQ4 2023: $29.3BQ1 2024: $36.4BQ2 2024: $32.3BQ3 2024: $32.4BQ4 2024: $30.5BQ1 2025: $28.5BQ2 2025: $32.8BQ3 2025: $36.7BQ4 2025: $37.1BQ1 2026: $34.3BQ2 2026: $34.2B
Institutions holding MLM and their total value by quarter
QuarterHoldersValue
Q2 20261,079$34.2B
Q1 20261,077$34.3B
Q4 20251,117$37.1B
Q3 20251,053$36.7B
Q2 2025999$32.8B
Q1 2025953$28.5B
Q4 2024992$30.5B
Q3 2024948$32.4B
Q2 2024940$32.3B
Q1 2024957$36.4B
Q4 2023889$29.3B
Q3 2023815$24.1B
Q2 2023804$27.0B
Q1 2023746$20.7B
Q4 2022768$19.7B
Q3 2022736$18.8B
Q2 2022728$17.5B
Q1 2022763$22.7B
Q4 2021775$25.6B
Q3 2021700$19.7B
Q2 2021696$20.3B
Q1 2021692$19.4B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q3 2025.

Institutions holding MLM in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Patton Fund Management, Inc.381$237.2K0.03%−55−12.6%Reduced
Prelude Capital Management, LLC381$237.2K0.02%+381New
Essex Financial Services, Inc.381$237.5K0.01%+381New
Rodgers & Associates, LTD384$239.1K0.02%00.0%Unchanged
Pines Wealth Management, LLC384$239.1K0.08%+384New
Thompson Siegel & Walmsley LLC385$240.0K0.00%00.0%Unchanged
Banco Santander, S.A.386$240.3K0.00%−53−12.1%Reduced
IHT Wealth Management, LLC387$240.9K0.01%−8−2.0%Reduced
Graham Capital Management, L.P.388$241.6K0.01%−8,812−95.8%Reduced
Prospera Financial Services Inc388$242.8K0.00%−253−39.5%Reduced
ING Groep NV394$245.3K0.00%+394New
Central Bank & Trust Co395$246.0K0.04%00.0%Unchanged
Modera Wealth Management, LLC397$247.1K0.00%−6−1.5%Reduced
Equitable Holdings, Inc.397$247.2K0.00%−42−9.6%Reduced
Palisade Capital Management LLC400$249.1K0.01%00.0%Unchanged
Marco Investment Management LLC400$249.1K0.02%00.0%Unchanged
Charter Research & Investment Group, Inc.400$249.1K0.17%00.0%Unchanged
Delta Investment Management, LLC400$249.1K0.04%00.0%Unchanged
Canvas Wealth Advisors, LLC401$249.8K0.04%+7+1.8%Added
Teamwork Financial Advisors, LLC404$251.6K0.03%+404New
Icon Wealth Advisors, LLC417$257.0K0.02%00.0%Unchanged
Heartwood Wealth Advisors LLC413$257.2K0.02%00.0%Unchanged
Claret Asset Management Corp416$259.0K0.03%−1−0.2%Reduced
Breakwater Capital Group418$260.3K0.04%00.0%Unchanged
Dana Investment Advisors, Inc.420$261.5K0.01%−99−19.1%Reduced
Tred Avon Family Wealth, LLC421$262.1K0.09%−3−0.7%Reduced
Howard Capital Management Inc.421$262.1K0.00%+2+0.5%Added
National Asset Management, Inc.423$263.5K0.01%+39+10.2%Added
Ameritas Advisory Services, LLC424$264.0K0.01%−50−10.5%Reduced
Johnson Investment Counsel Inc424$264.0K0.00%00.0%Unchanged
Flputnam Investment Management Co424$264.0K0.00%+3+0.7%Added
Ashton Thomas Private Wealth, LLC424$264.0K0.01%+16+3.9%Added
Parcion Private Wealth LLC425$264.6K0.02%+32+8.1%Added
Crestwood Advisors Group LLC426$265.3K0.00%+52+13.9%Added
Patrick M Sweeney & Associates, Inc430$267.7K0.17%00.0%Unchanged
Trust Point Inc.434$270.2K0.02%+92+26.9%Added
Campion Asset Management LLC435$270.9K0.19%00.0%Unchanged
Anchor Investment Management, LLC435$270.9K0.02%00.0%Unchanged
CTC Alternative Strategies, Ltd.440$274.0K0.51%+440New
Daymark Wealth Partners, LLC446$277.9K0.01%−2−0.4%Reduced
Dynamic Advisor Solutions LLC453$282.1K0.01%−27−5.6%Reduced
Pekin Hardy Strauss, Inc.453$282.1K0.03%−20−4.2%Reduced
Helen Stephens Group, LLC454$282.9K0.06%00.0%Unchanged
Landscape Capital Management, L.L.C.455$283.3K0.02%+455New
Sunbeam Capital Management, LLC458$284.9K0.17%+1+0.2%Added
Adviser Investments LLC460$286.4K0.00%−41−8.2%Reduced
Allianz SE460$286.4K0.00%00.0%Unchanged
Heritage Trust Co462$287.7K0.03%00.0%Unchanged
Phoenix Holdings Ltd.462$287.7K0.00%+67+17.0%Added
Collective Family Office LLC465$289.5K0.07%−23−4.7%Reduced
waypoint wealth counsel465$289.5K0.11%+2+0.4%Added
Fulton Bank, N.A.468$291.4K0.01%+25+5.6%Added
Retirement Planning Group469$291.9K0.01%+52+12.5%Added
Taylor Financial Group, Inc.475$295.8K0.17%00.0%Unchanged
GTS Securities LLC478$297.6K0.01%+64+15.5%Added
AMG National Trust Bank478$297.6K0.01%+9+1.9%Added
First Horizon Corp479$298.3K0.01%+188+64.6%Added
Select Asset Management & Trust484$301.0K0.09%+54+12.6%Added
Ci Investments Inc.484$301.4K0.00%−325−40.2%Reduced
Farringdon Capital, Ltd.486$302.6K0.07%+486New
Mather Group, LLC.486$302.6K0.00%+65+15.4%Added
Drive Wealth Management, LLC488$303.8K0.06%+59+13.8%Added
Ehrenkranz Partners L.P.492$306.3K0.35%+492New
Safe Harbor Wealth Advisors, LLC465$306.9K0.30%+465New
Citizens Business Bank493$307.0K0.05%00.0%Unchanged
BIP Wealth, LLC494$307.3K0.01%00.0%Unchanged
St. Nicholas Private Asset Management, Inc494$307.6K0.28%00.0%Unchanged
Mutual Advisors, LLC494$307.7K0.01%+5+1.0%Added
City State Bank497$309.5K0.08%00.0%Unchanged
Ironwood Investment Counsel, LLC499$310.9K0.04%+5+1.0%Added
Mariner Investment Group LLC500$311.3K0.02%00.0%Unchanged
First Interstate Bank500$311.3K0.02%00.0%Unchanged
Monetary Management Group Inc500$311.3K0.07%00.0%Unchanged
Insigneo Advisory Services, LLC502$312.5K0.02%+94+23.0%Added
LMR Partners LLP502$312.6K0.00%−169−25.2%Reduced
Brevan Howard Capital Management LP516$321.3K0.01%−244−32.1%Reduced
Ariston Services Group516$321.3K0.19%00.0%Unchanged
N.E.W. Advisory Services LLC516$321.3K0.02%00.0%Unchanged
Formidable Asset Management, LLC515$324.8K0.05%00.0%Unchanged
Larson Financial Group LLC522$324.9K0.01%+19+3.8%Added
CWM Advisors, LLC522$325.0K0.03%+27+5.5%Added
AlphaCore Capital LLC523$325.7K0.01%+523New
Global Retirement Partners, LLC523$325.9K0.01%+319+156.4%Added
J. Safra Sarasin Holding AG526$327.5K0.01%−1,320−71.5%Reduced
Texas Capital Bank Wealth Management Services Inc526$327.5K0.02%−51−8.8%Reduced
Geneos Wealth Management Inc.526$327.5K0.01%+100+23.5%Added
Thompson David Blair528$328.8K0.19%+528New
Cresta Advisors, Ltd.529$329.4K0.14%00.0%Unchanged
Western Wealth Management, LLC532$331.5K0.02%+105+24.6%Added
one8zero8, LLC536$333.7K0.07%00.0%Unchanged
Cypress Wealth Services, LLC536$333.8K0.05%+119+28.5%Added
Ellevest, Inc.549$341.8K0.05%+549New
Ameritas Investment Partners, Inc.550$342.5K0.01%00.0%Unchanged
Verus Capital Partners, LLC550$342.5K0.02%+25+4.8%Added
Empirical Asset Management, LLC556$346.1K0.10%+2+0.4%Added
One Wealth Capital Management, LLC558$347.4K0.15%+89+19.0%Added
Chicago Partners Investment Group LLC535$347.8K0.01%−88−14.1%Reduced
PDS Planning, Inc559$348.1K0.02%+20+3.7%Added
iA Global Asset Management Inc.560$349.0K0.00%00.0%Unchanged
Wealthspire Advisors, LLC561$349.5K0.00%+92+19.6%Added