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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, Q3 2021

Institutional positions in Martin Marietta Materials Inc as of Sep 30, 2021. 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
700
+14 vs. Q2 2021
Shares held
57.7M
−85.5K (−0.1%) vs. Q2 2021
Total value
$19.7B
−$602.6M (−3.0%) vs. Q2 2021
New holders
67
228 more added
Sold out
53
240 more reduced

10 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 holdersQ3 2021: 700 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 heldQ3 2021: $19.7B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q2 2021.

Institutions holding MLM in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Swiss Life Asset Management Ltd873$297.8K0.00%+28+3.3%Added
Plante Moran Financial Advisors, LLC862$295.0K0.07%00.0%Unchanged
Ameritas Investment Partners, Inc.852$291.0K0.01%00.0%Unchanged
Chicago Capital, LLC848$290.0K0.01%+159+23.1%Added
Profund Advisors LLC842$288.0K0.01%−11−1.3%Reduced
Copperleaf Capital, LLC844$288.0K0.28%+844New
Welch Group, LLC831$284.0K0.02%00.0%Unchanged
American Institute for Advanced Investment Management, LLP825$282.0K0.20%00.0%Unchanged
Wambolt & Associates, LLC797$282.0K0.11%00.0%Unchanged
First National Bank of Hutchinson821$281.0K0.16%+821New
Liberty One Investment Management, LLC821$281.0K0.05%+821New
Jackson Hole Capital Partners, LLC803$274.0K0.09%00.0%Unchanged
New Jersey Better Educational Savings Trust800$273.0K0.54%00.0%Unchanged
SG3 Management, LLC800$273.0K0.10%00.0%Unchanged
Keebeck Alpha, LP800$273.0K0.08%+145+22.1%Added
Quantamental Technologies LLC799$273.0K0.18%+799New
Impax Asset Management Group plc796$272.0K0.00%00.0%Unchanged
Empirical Finance, LLC786$269.0K0.04%+47+6.4%Added
Greenleaf Trust775$265.0K0.00%−3−0.4%Reduced
Monticello Wealth Management, LLC772$264.0K0.03%+1+0.1%Added
Physicians Financial Services, Inc.760$260.0K0.11%−50−6.2%Reduced
Cetera Investment Advisers762$260.0K0.00%−49−6.0%Reduced
Beacon Pointe Advisors, LLC750$256.0K0.01%−237−24.0%Reduced
Sandy Spring Bank746$255.0K0.01%+50+7.2%Added
Geneos Wealth Management Inc.717$254.0K0.01%00.0%Unchanged
Family Firm, Inc.666$254.0K0.07%00.0%Unchanged
Ci Investments Inc.739$253.0K0.00%−4−0.5%Reduced
Illinois Municipal Retirement Fund741$253.0K0.01%00.0%Unchanged
Fifth Third Bancorp732$250.0K0.00%+99+15.6%Added
Edge Capital Group, LLC730$249.0K0.02%−50−6.4%Reduced
Aureus Asset Management, LLC725$248.0K0.02%00.0%Unchanged
Harbour Investments, Inc.727$248.0K0.01%+13+1.8%Added
Gilbert & Cook, Inc.718$245.0K0.04%+12+1.7%Added
Boothbay Fund Management, LLC713$244.0K0.01%+713New
Wealthspire Advisors, LLC708$242.0K0.01%+67+10.5%Added
Oxbow Advisors, LLC701$240.0K0.02%−285−28.9%Reduced
Corsicana & Co.700$239.0K0.15%00.0%Unchanged
Shufro Rose & Co LLC700$239.0K0.02%+700New
Chicago Partners Investment Group LLC578$239.0K0.02%+578New
HITE Hedge Asset Management LLC694$237.0K0.03%−1,600−69.7%Reduced
Clear Creek Financial Management, LLC687$235.0K0.04%+16+2.4%Added
Edmonds Duncan Registered Investment Advisors, LLC678$232.0K0.07%+38+5.9%Added
Marathon Capital Management665$228.0K0.05%−50−7.0%Reduced
Meiji Yasuda Asset Management Co Ltd.666$228.0K0.02%+30+4.7%Added
Pekin Hardy Strauss, Inc.665$227.0K0.03%+665New
SRS Capital Advisors, Inc.661$226.0K0.03%−137−17.2%Reduced
Thompson Siegel & Walmsley LLC662$226.0K0.00%00.0%Unchanged
Benedetti & Gucer, Inc.662$226.0K0.17%00.0%Unchanged
Siemens Fonds Invest GmbH654$223.0K0.01%+654New
Motco650$222.0K0.01%00.0%Unchanged
MAI Capital Management646$221.0K0.00%+646New
Peregrine Asset Advisers, Inc.645$220.0K0.11%00.0%Unchanged
Winton Group Ltd625$214.0K0.01%−1,624−72.2%Reduced
Personal Cfo Solutions, LLC625$214.0K0.04%+15+2.5%Added
Visionary Wealth Advisors626$214.0K0.02%+626New
Virtu Financial LLC620$212.0K0.02%+620New
Conning Inc.612$209.0K0.01%−94−13.3%Reduced
Livforsakringsbolaget Skandia, Omsesidigt606$207.0K0.01%−500−45.2%Reduced
Ieq Capital, LLC605$207.0K0.01%+605New
Northwest Investment Counselors, LLC602$206.0K0.06%00.0%Unchanged
Holt Capital Advisors, L.L.C. dba Holt Capital Partners, L.P.600$205.0K0.04%00.0%Unchanged
Merrion Investment Management Co, LLC600$205.0K0.16%+600New
Wellington Management Group LLP598$204.0K0.00%−5−0.8%Reduced
Tokio Marine Asset Management Co Ltd585$200.0K0.02%+585New
Brown Brothers Harriman & Co581$199.0K0.00%00.0%Unchanged
Credential Qtrade Securities Inc.531$181.4K0.01%+21+4.1%Added
Edmond de Rothschild Holding S.A.529$181.0K0.00%00.0%Unchanged
DuPont Capital Management Corp517$177.0K0.01%−504−49.4%Reduced
Emfo, LLC500$171.0K0.15%00.0%Unchanged
Monetary Management Group Inc500$171.0K0.05%+500New
Sentry Investment Management LLC497$170.0K0.05%−101−16.9%Reduced
Bank Julius Baer & Co. Ltd, Zurich474$162.0K0.00%−382−44.6%Reduced
IFP Advisors, Inc457$156.0K0.00%−1,994−81.4%Reduced
Anchor Investment Management, LLC440$150.3K0.02%−200−31.3%Reduced
Mizuho Securities Co. Ltd.420$144.0K0.04%+160+61.5%Added
O'Shaughnessy Asset Management, LLC416$142.0K0.00%+153+58.2%Added
Peconic Partners LLC400$137.0K0.01%00.0%Unchanged
Belpointe Asset Management LLC397$135.0K0.01%−115−22.5%Reduced
Central Bank & Trust Co395$135.0K0.02%00.0%Unchanged
CenterStar Asset Management, LLC–$133.0K0.10%–New
Filbrandt Wealth Management, LLC351$120.0K0.07%00.0%Unchanged
Manchester Capital Management LLC345$118.0K0.02%+345New
Carroll Financial Associates, Inc.335$114.0K0.01%+66+24.5%Added
Berman Capital Advisors, LLC326$111.0K0.02%+40+14.0%Added
Global Retirement Partners, LLC305$104.0K0.01%+2+0.7%Added
First Horizon Advisors, Inc.284$96.0K0.00%+8+2.9%Added
Evermay Wealth Management LLC274$94.0K0.02%00.0%Unchanged
Fieldpoint Private Securities, LLC246$84.0K0.02%−19−7.2%Reduced
Archer Investment Corp244$83.4K0.03%00.0%Unchanged
Meeder Asset Management Inc233$80.0K0.00%+10+4.5%Added
Spectrum Management Group, LLC229$78.0K0.01%+229New
Tobam211$72.0K0.00%00.0%Unchanged
NEXT Financial Group, Inc200$68.0K0.01%−10−4.8%Reduced
Bedel Financial Consulting, Inc.200$68.0K0.02%00.0%Unchanged
Capital Advisory Group Advisory Services, LLC200$68.0K0.02%00.0%Unchanged
Deseret Mutual Benefit Administrators196$67.0K0.01%−104−34.7%Reduced
Proequities, Inc.196$67.0K0.00%−23−10.5%Reduced
Central Trust Co190$65.0K0.00%00.0%Unchanged
Smithfield Trust Co173$63.0K0.00%00.0%Unchanged
Eagle Bay Advisors LLC186$62.0K0.04%+39+26.5%Added