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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
Adage Capital Partners GP, L.L.C.66,639$22.8M0.04%−1,000−1.5%Reduced
First Trust Advisors LP66,644$22.8M0.02%−22,758−25.5%Reduced
New York State Teachers Retirement System67,327$23.0M0.05%−1,597−2.3%Reduced
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management70,450$24.1M1.01%00.0%Unchanged
Susquehanna International Group, LLP70,747$24.2M0.03%+5,441+8.3%Added
HSBC Holdings PLC71,067$24.6M0.03%+4,673+7.0%Added
State Board of Administration of Florida Retirement System74,247$25.4M0.05%−3,062−4.0%Reduced
Stifel Financial Corp75,277$25.7M0.04%+3,469+4.8%Added
Canada Pension Plan Investment Board76,492$26.1M0.03%+15,946+26.3%Added
Heritage Investors Management Corp80,560$27.5M1.16%−1,331−1.6%Reduced
Bank of Montreal77,866$27.8M0.01%+44+0.1%Added
Moore Capital Management, LP82,721$28.3M0.57%+67,144+431.0%Added
Federated Hermes, Inc.82,775$28.3M0.05%−2,105−2.5%Reduced
Congress Asset Management Co84,136$28.7M0.22%+10,396+14.1%Added
Renaissance Group LLC84,232$28.8M1.24%+525+0.6%Added
Allianz Asset Management GmbH84,371$28.8M0.02%+27,102+47.3%Added
Aviva PLC85,139$29.1M0.13%+4,798+6.0%Added
Gilder Gagnon Howe & Co LLC87,359$29.8M0.15%−943−1.1%Reduced
National Pension Service88,435$30.2M0.06%−858−1.0%Reduced
KBC Group NV89,655$30.6M0.11%−3,914−4.2%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.95,544$32.7M0.51%+51,812+118.5%Added
DnB Asset Management AS95,847$32.7M0.21%−7,984−7.7%Reduced
STRS Ohio96,161$32.9M0.12%−6,465−6.3%Reduced
Rhumbline Advisers96,246$32.9M0.04%−2,997−3.0%Reduced
Steginsky Capital LLC97,060$33.2M12.46%−395−0.4%Reduced
Retirement Systems of Alabama99,021$33.8M0.13%−1,394−1.4%Reduced
SeaTown Holdings Pte. Ltd.100,000$34.2M1.52%+100,000New
Melvin Capital Management LP100,000$34.2M0.23%+100,000New
Macquarie Group Ltd101,741$34.8M0.03%+759+0.8%Added
SEI Investments Co103,169$35.3M0.07%+6,498+6.7%Added
New York State Common Retirement Fund103,429$35.3M0.04%00.0%Unchanged
Barclays PLC103,725$35.4M0.03%+14,358+16.1%Added
Scout Investments, Inc.104,264$35.6M0.53%−7,628−6.8%Reduced
UBS Group AG107,496$36.7M0.02%+3,205+3.1%Added
Kames Capital plc108,366$37.0M0.53%−320.0%Reduced
California State Teachers Retirement System109,014$37.2M0.05%−1,245−1.1%Reduced
Credit Suisse AG109,918$37.6M0.03%−3,372−3.0%Reduced
Kornitzer Capital Management Inc112,967$38.6M0.59%+70+0.1%Added
M&G Investment Management Ltd113,815$38.9M0.19%+1,207+1.1%Added
Deutsche Bank AG114,109$39.0M0.02%−19,302−14.5%Reduced
First Republic Investment Management, Inc.118,900$40.6M0.10%+5,081+4.5%Added
McDonald Capital Investors Inc124,538$42.6M3.30%−2,990−2.3%Reduced
Janus Henderson Group PLC127,788$43.7M0.02%+10,030+8.5%Added
Tran Capital Management, L.P.128,540$43.9M3.68%−582−0.5%Reduced
Wells Fargo & Company134,644$46.0M0.01%+8,146+6.4%Added
Nitorum Capital, L.P.139,264$47.6M2.26%+6,800+5.1%Added
California Public Employees Retirement System140,516$48.0M0.04%−374−0.3%Reduced
Alliancebernstein L.P.147,237$50.3M0.02%−1,455−1.0%Reduced
Thrivent Financial for Lutherans150,391$51.4M0.10%−32,809−17.9%Reduced
Citigroup Inc159,845$54.6M0.05%−12,528−7.3%Reduced
DekaBank Deutsche Girozentrale161,692$57.3M0.16%−2,834−1.7%Reduced
Nuveen Asset Management, LLC175,130$59.8M0.02%−11,225−6.0%Reduced
Sumitomo Mitsui Trust Holdings, Inc.180,960$61.8M0.04%−9,298−4.9%Reduced
Atlanta Capital Management Co L L C209,232$71.5M0.26%−29,955−12.5%Reduced
APG Asset Management N.V.256,661$75.7M0.13%−7,463−2.8%Reduced
Silvercrest Asset Management Group LLC223,549$76.4M0.51%−748−0.3%Reduced
Parametric Portfolio Associates LLC231,096$79.0M0.04%+21,419+10.2%Added
Clearbridge Investments, LLC242,132$82.7M0.06%+11,243+4.9%Added
Swiss National Bank247,129$84.4M0.05%−6,800−2.7%Reduced
TimesSquare Capital Management, LLC249,800$85.4M0.74%+122,100+95.6%Added
Rathbone Brothers plc253,700$86.7M0.93%+30,900+13.9%Added
Rothschild & Co Asset Management US Inc.259,568$88.7M1.10%−5,275−2.0%Reduced
Royal Bank of Canada282,866$96.7M0.03%−72,081−20.3%Reduced
Charles Schwab Investment Management Inc286,616$97.9M0.03%−19,891−6.5%Reduced
Rockefeller Capital Management L.P.308,309$105.3M0.55%+1,488+0.5%Added
UBS Asset Management Americas Inc312,302$106.7M0.04%−3,027−1.0%Reduced
Artisan Partners Limited Partnership313,171$107.0M0.13%−27,463−8.1%Reduced
Mirae Asset Global Investments Co., Ltd.316,314$108.1M0.27%+49,652+18.6%Added
Franklin Resources Inc358,256$122.4M0.05%−60,249−14.4%Reduced
Mitsubishi UFJ Trust & Banking Corp370,182$126.5M0.28%−8,016−2.1%Reduced
Invesco Ltd.375,349$128.2M0.03%−25,139−6.3%Reduced
Eagle Asset Management Inc380,718$130.1M0.59%−2,478−0.6%Reduced
Davenport & Co LLC392,985$134.3M0.95%+12,048+3.2%Added
Legal & General Group Plc395,380$135.1M0.04%−4,955−1.2%Reduced
London Co of Virginia397,298$135.7M0.75%−60,624−13.2%Reduced
Findlay Park Partners LLP447,719$153.0M1.05%+178,245+66.1%Added
Norges Bank553,296$189.1M0.04%+1,285+0.2%Added
FMR LLC558,760$190.9M0.02%−53,842−8.8%Reduced
Bank of New York Mellon Corp602,742$205.9M0.04%+119,492+24.7%Added
Bank of America Corp612,022$209.1M0.02%−5,217−0.8%Reduced
Dimensional Fund Advisors LP637,099$217.8M0.07%−5,533−0.9%Reduced
King Luther Capital Management Corp658,945$225.1M1.11%−2,750−0.4%Reduced
Alkeon Capital Management LLC669,454$228.7M0.77%−2,079−0.3%Reduced
Northern Trust Corp693,938$237.1M0.04%+9,038+1.3%Added
William Blair Investment Management, LLC848,812$290.0M0.82%−119,200−12.3%Reduced
Goldman Sachs Group Inc851,014$290.8M0.07%−57,342−6.3%Reduced
Amundi881,731$301.3M0.21%+126,512+16.8%Added
CIBC Private Wealth Group, LLC888,965$303.7M0.71%+12,863+1.5%Added
Morgan Stanley1,036,306$354.1M0.05%−10,846−1.0%Reduced
Principal Financial Group Inc1,096,436$374.6M0.24%−39,847−3.5%Reduced
Geode Capital Management, LLC1,153,227$393.0M0.05%−5,588−0.5%Reduced
Gardner Russo & Quinn LLCSuperinvestorGardner Russo & Quinn1,192,297$407.4M3.76%−43,478−3.5%Reduced
JPMorgan Chase & Co1,429,796$488.5M0.06%−116,485−7.5%Reduced
Price T Rowe Associates Inc1,830,257$625.4M0.06%+43,947+2.5%Added
State Street Corp2,768,052$945.8M0.05%−561,223−16.9%Reduced
Select Equity Group, L.P.3,445,720$1.18B3.95%+353,879+11.4%Added
Aristotle Capital Management, LLC3,577,335$1.22B2.30%+13,951+0.4%Added
Baillie Gifford & Co3,752,401$1.28B0.67%−61,279−1.6%Reduced
BlackRock Inc.4,149,870$1.42B0.04%+53,775+1.3%Added
Vanguard Group Inc6,709,934$2.29B0.06%+47,977+0.7%Added