Skip to main content
Livermore
Livermore
中文EN

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, Q2 2026

Institutional positions in Martin Marietta Materials Inc as of Jun 30, 2026. 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
1,079
+13 vs. Q1 2026
Shares held
59.3M
+826.6K (+1.4%) vs. Q1 2026
Total value
$34.2B
−$182.7M (−0.5%) vs. Q1 2026
New holders
110
364 more added
Sold out
97
395 more reduced

11 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 1,079 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: 1,118 institutionsQ1 2026: 1,077 institutionsQ2 2026: 1,079 institutions
Value heldQ2 2026: $34.2B
Q1 2021: $19.5BQ2 2021: $20.3BQ3 2021: $19.7BQ4 2021: $25.7BQ1 2022: $22.8BQ2 2022: $17.5BQ3 2022: $18.9BQ4 2022: $19.7BQ1 2023: $21.3BQ2 2023: $27.5BQ3 2023: $24.2BQ4 2023: $30.7BQ1 2024: $38.7BQ2 2024: $33.4BQ3 2024: $33.8BQ4 2024: $30.5BQ1 2025: $28.5BQ2 2025: $32.9BQ3 2025: $38.5BQ4 2025: $37.7BQ1 2026: $34.4BQ2 2026: $34.2B
Institutions holding MLM and their total value by quarter
QuarterHoldersValue
Q2 20261,079$34.2B
Q1 20261,077$34.4B
Q4 20251,118$37.7B
Q3 20251,053$38.5B
Q2 2025999$32.9B
Q1 2025953$28.5B
Q4 2024992$30.5B
Q3 2024948$33.8B
Q2 2024940$33.4B
Q1 2024957$38.7B
Q4 2023889$30.7B
Q3 2023815$24.2B
Q2 2023804$27.5B
Q1 2023746$21.3B
Q4 2022768$19.7B
Q3 2022736$18.9B
Q2 2022728$17.5B
Q1 2022763$22.8B
Q4 2021775$25.7B
Q3 2021700$19.7B
Q2 2021696$20.3B
Q1 2021692$19.5B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q1 2026.

Institutions holding MLM in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Westfuller Advisors, LLC0$40.00%−11−100.0%Reduced
Cordant, Inc.0$2600.00%0New
North Star Investment Management Corp.1$5770.00%−6−85.7%Reduced
Bare Financial Services, Inc1$5770.00%−2−66.7%Reduced
Kingdom Financial Group LLC.1$5770.00%−1−50.0%Reduced
Phillip James Consulting Co.1$5770.00%00.0%Unchanged
Trust Co1$5770.00%00.0%Unchanged
Quaker Wealth Management, LLC1$5770.00%00.0%Unchanged
Davis Capital Management1$5770.00%00.0%Unchanged
DHJJ Financial Advisors, Ltd.1$5770.00%00.0%Unchanged
Cherry Tree Wealth Management, LLC1$5770.00%00.0%Unchanged
Breakwater Investment Management1$5770.00%00.0%Unchanged
Seneschal Advisors, LLC1$5770.00%00.0%Unchanged
Morton Brown Family Wealth, LLC1$5770.00%+1New
Mosley Wealth Management1$5770.00%+1New
DecisionPoint Financial, LLC1$5800.00%00.0%Unchanged
Darwin Advisors, LLC1$7270.00%+1New
Navigoe, LLC2$1.00K0.00%+2New
Smallwood Wealth Investment Management, LLC2$1.15K0.00%−3−60.0%Reduced
Morse Asset Management, Inc2$1.15K0.00%−2−50.0%Reduced
Washington Trust Advisors, Inc.2$1.15K0.00%00.0%Unchanged
Imprint Wealth LLC2$1.15K0.00%00.0%Unchanged
WPG Advisers, LLC2$1.15K0.00%00.0%Unchanged
Continuum Advisory, LLC2$1.15K0.00%+2New
Ares Financial Consulting, LLC2$1.15K0.00%+2New
Compass Financial Management LLC2$1.15K0.00%+2New
Asset Dedication, LLC2$1.15K0.00%+2New
Activest Wealth Management3$1.73K0.00%−13−81.3%Reduced
Signature Resources Capital Management, LLC3$1.73K0.00%00.0%Unchanged
WestEnd Advisors, LLC3$1.73K0.00%+3New
Provenance Wealth Advisors, LLC3$1.73K0.00%+3New
MCF Advisors LLC3$1.73K0.00%00.0%Unchanged
American Capital Advisory, LLC3$1.73K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC3$2.00K0.00%−1−25.0%Reduced
United Community Bank4$2.31K0.00%−10−71.4%Reduced
Heritage Wealth Advisors4$2.31K0.00%00.0%Unchanged
Burk Holdings LLC4$2.31K0.00%00.0%Unchanged
JNBA Financial Advisors4$2.31K0.00%+1+33.3%Added
TFC Financial Management4$2.31K0.00%+1+33.3%Added
Valued Wealth Advisors LLC4$2.31K0.00%+1+33.3%Added
Guardian Partners Inc.4$2.31K0.00%+4New
Tounjian Advisory Partners, LLC4$2.31K0.00%+4New
TD Capital Management LLC4$2.34K0.00%00.0%Unchanged
Golden State Equity Partners5$2.88K0.01%−112−95.7%Reduced
J.Safra Asset Management Corp5$2.88K0.00%−5−50.0%Reduced
Key Financial Inc5$2.88K0.00%00.0%Unchanged
Bullseye Investment Management, LLC5$2.88K0.00%00.0%Unchanged
Advocate Investing Services LLC5$2.88K0.00%00.0%Unchanged
BOK Financial Private Wealth, Inc.5$2.88K0.00%+5New
Marquette Asset Management, LLC5$2.88K0.00%+5New
Penserra Capital Management LLC6$3.00K0.00%00.0%Unchanged
Golden State Wealth Management, LLC6$3.46K0.00%−32−84.2%Reduced
MTM Investment Management, LLC6$3.46K0.00%00.0%Unchanged
Fairman Group, LLC6$3.46K0.00%00.0%Unchanged
Granite FO LLC6$3.46K0.00%00.0%Unchanged
MPWM Advisory Solutions, LLC6$3.46K0.00%00.0%Unchanged
Creative Capital Management Investments LLC6$3.46K0.00%+6New
Manchester Capital Management LLC6$3.46K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.6$3.46K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.6$3.46K0.00%+6New
Torren Management, LLC6$3.50K0.00%00.0%Unchanged
Strategic Wealth Advisors LLC7$4.00K0.00%00.0%Unchanged
Dogwood Wealth Management LLC7$4.04K0.00%−3−30.0%Reduced
C M Bidwell & Associates Ltd7$4.04K0.00%00.0%Unchanged
Mowery & Schoenfeld Wealth Management, LLC7$4.04K0.01%00.0%Unchanged
Principia Wealth Advisory, LLC7$4.04K0.00%+5+250.0%Added
HFM Investment Advisors, LLC7$4.04K0.00%+5+250.0%Added
Ameriflex Group, Inc.7$4.04K0.00%+7New
Y.D. More Investments Ltd2,188$4.24K0.00%+107+5.1%Added
Dunhill Financial, LLC7$4.33K0.00%00.0%Unchanged
Creative Financial Designs Inc8$4.61K0.00%00.0%Unchanged
Mascoma Wealth Management LLC8$4.61K0.00%00.0%Unchanged
Capital Analysts, LLC8$5.00K0.00%00.0%Unchanged
Asset Planning,Inc9$5.19K0.00%00.0%Unchanged
High Note Wealth, LLC9$5.19K0.00%+6+200.0%Added
Truvestments Capital LLC10$5.77K0.00%−6−37.5%Reduced
Aspect Partners, LLC10$5.77K0.00%00.0%Unchanged
Clark Wealth Partners10$5.77K0.00%+3+42.9%Added
Kayne Anderson Rudnick Investment Management LLC10$5.81K0.00%+8+400.0%Added
SOA Wealth Advisors, LLC.5,816$5.82K0.00%−996−14.6%Reduced
Ogorek Anthony Joseph11$6.00K0.00%00.0%Unchanged
Abound Wealth Management11$6.32K0.00%−2−15.4%Reduced
Rialto Wealth Management, LLC11$6.34K0.00%−2−15.4%Reduced
Grove Bank & Trust11$6.34K0.00%00.0%Unchanged
Nemes Rush Group LLC11$6.34K0.00%00.0%Unchanged
Joseph Group Capital Management11$6.34K0.00%+2+22.2%Added
Bard Associates Inc11$6.34K0.00%+11New
Whipplewood Advisors, LLC12$6.92K0.00%−22−64.7%Reduced
Arlington Trust Co LLC12$6.92K0.00%00.0%Unchanged
Bayban12$6.92K0.01%00.0%Unchanged
Bay Harbor Wealth Management, LLC12$6.92K0.00%+4+50.0%Added
West Paces Advisors Inc.12$6.92K0.00%+12New
Bell Investment Advisors, Inc12$6.92K0.00%+1+9.1%Added
Highline Wealth Partners LLC12$6.93K0.00%+1+9.1%Added
Hughes Financial Services, LLC13$7.50K0.00%+6+85.7%Added
Kilter Group LLC13$7.50K0.00%00.0%Unchanged
Delos Wealth Advisors, LLC13$7.50K0.00%+13New
Signature Equity Partners, LLC13$7.76K0.00%00.0%Unchanged
Albion Financial Group14$8.07K0.00%00.0%Unchanged
Ritter Daniher Financial Advisory LLC14$8.07K0.00%00.0%Unchanged