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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, Q2 2025

Institutional positions in Martin Marietta Materials Inc as of Jun 30, 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
999
+56 vs. Q1 2025
Shares held
59.7M
+209.2K (+0.4%) vs. Q1 2025
Total value
$32.8B
+$4.39B (+15.5%) vs. Q1 2025
New holders
130
379 more added
Sold out
74
321 more reduced

10 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 999 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 heldQ2 2025: $32.8B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q1 2025.

Institutions holding MLM in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Janus Henderson Group PLC56,799$31.2M0.02%−270−0.5%Reduced
Gateway Investment Advisers LLC53,513$29.4M0.32%−1,036−1.9%Reduced
Stifel Financial Corp50,897$27.9M0.03%+3,077+6.4%Added
KBC Group NV50,809$27.9M0.08%−2,013−3.8%Reduced
STRS Ohio50,179$27.5M0.10%+10,679+27.0%Added
Fisher Funds Management LTD49,896$27.4M0.65%00.0%Unchanged
Lazard Freres Gestion S.A.S.49,386$27.1M0.57%+16,192+48.8%Added
BNP Paribas Arbitrage, SA48,856$26.8M0.02%−26,340−35.0%Reduced
Kornitzer Capital Management Inc48,453$26.6M0.54%+12,351+34.2%Added
Stephens Inc48,377$26.6M0.36%+2,649+5.8%Added
First Trust Advisors LP48,139$26.4M0.02%−6,072−11.2%Reduced
Cercano Management LLC48,015$26.4M0.75%−15,654−24.6%Reduced
Harvey Partners, LLC47,930$26.3M2.63%+19,930+71.2%Added
1832 Asset Management L.P.47,800$26.2M0.05%−55,082−53.5%Reduced
FIL Ltd47,527$26.1M0.02%+14,534+44.1%Added
Shellback Capital, LP47,525$26.1M1.74%+47,525New
Man Group plc46,375$25.5M0.06%+46,375New
Ofi Invest Asset Management54,135$25.3M0.63%+3,119+6.1%Added
Aviva PLC45,475$25.0M0.05%+2,771+6.5%Added
Waratah Capital Advisors Ltd.44,017$24.2M1.65%+14,700+50.1%Added
LPL Financial LLC43,575$23.9M0.01%+2,041+4.9%Added
Arrowstreet Capital, Limited Partnership43,370$23.8M0.02%−1,392−3.1%Reduced
National Bank of Canada42,161$23.1M0.02%−3,959−8.6%Reduced
Prudential Financial Inc41,599$22.8M0.03%+8,613+26.1%Added
Douglas Lane & Associates, LLC41,558$22.8M0.33%+5,439+15.1%Added
The PNC Financial Services Group, Inc.41,323$22.7M0.01%−397−1.0%Reduced
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management41,275$22.7M1.22%00.0%Unchanged
New York State Teachers Retirement System41,241$22.6M0.05%−25−0.1%Reduced
Susquehanna Portfolio Strategies, LLC40,042$22.0M0.48%+40,042New
Two Creeks Capital Management, LP39,913$21.9M1.46%−38,580−49.2%Reduced
Korea Investment CORP39,876$21.9M0.05%+13,972+53.9%Added
Westwood Holdings Group Inc.39,731$21.8M0.16%−1,591−3.9%Reduced
GW&K Investment Management, LLC38,091$20.9M0.19%−946−2.4%Reduced
Franklin Street Advisors Inc37,884$20.8M1.29%+15,970+72.9%Added
Great West Life Assurance Co37,443$20.6M0.03%+113+0.3%Added
CIBC World Markets Corp36,356$20.0M0.13%+28,984+393.2%Added
Pictet Asset Management Holding SA35,899$19.7M0.02%−905−2.5%Reduced
First Manhattan Co35,893$19.7M0.06%+298+0.8%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.35,851$19.7M0.05%+26,702+291.9%Added
Handelsbanken Fonder AB34,176$18.8M0.07%+5,718+20.1%Added
Chevy Chase Trust Holdings, Inc.33,040$18.1M0.05%−210−0.6%Reduced
State of Wisconsin Investment Board32,434$17.8M0.04%−17,952−35.6%Reduced
Lathrop Investment Management Corp32,263$17.7M3.35%−319−1.0%Reduced
Asset Management One Co.,Ltd.31,996$17.6M0.06%+1,099+3.6%Added
Brandywine Global Investment Management, LLC31,684$17.4M0.12%−188−0.6%Reduced
Mariner, LLC31,608$17.4M0.03%+21,565+214.7%Added
Rather & Kittrell, Inc.31,530$17.3M3.43%+67+0.2%Added
Manufacturers Life Insurance Company, The31,457$17.3M0.02%−3,283−9.5%Reduced
Peapack Gladstone Financial Corp31,305$17.2M0.24%+219+0.7%Added
Captrust Financial Advisors30,814$16.9M0.04%−173−0.6%Reduced
NorthCrest Asset Manangement, LLC29,071$16.2M0.44%+76+0.3%Added
Standard Life Aberdeen plc29,452$16.2M0.03%+761+2.7%Added
Sapient Capital LLC28,023$15.4M0.28%−1,595−5.4%Reduced
Treasurer of the State of North Carolina28,009$15.4M0.05%−48−0.2%Reduced
Bank of Montreal27,641$15.2M0.01%−11,591−29.5%Reduced
Tocqueville Asset Management L.P.27,636$15.2M0.23%+100+0.4%Added
Exencial Wealth Advisors, LLC27,587$15.1M0.53%+7,578+37.9%Added
Oppenheimer & Co Inc27,470$15.1M0.20%+6,600+31.6%Added
Toronto Dominion Bank26,792$14.7M0.03%+3,255+13.8%Added
Teachers Retirement System of the State of Kentucky26,394$14.5M0.12%+79+0.3%Added
ExodusPoint Capital Management, LP26,324$14.5M0.18%+14,414+121.0%Added
New York State Common Retirement Fund25,973$14.3M0.02%00.0%Unchanged
Assetmark, Inc25,893$14.2M0.03%+3,929+17.9%Added
Universal- Beteiligungs- und Servicegesellschaft mbH25,559$14.0M0.02%−330−1.3%Reduced
Ensign Peak Advisors, Inc24,791$13.6M0.02%−204−0.8%Reduced
Assenagon Asset Management S.A.24,736$13.6M0.02%+22,287+910.0%Added
Canada Pension Plan Investment Board24,453$13.4M0.01%+9,460+63.1%Added
Bluegrass Capital Partners LP24,000$13.2M9.13%−9,000−27.3%Reduced
Danske Bank A/S23,878$13.1M0.03%+1,201+5.3%Added
Cerity Partners LLC23,784$13.1M0.02%+2,161+10.0%Added
Spears Abacus Advisors LLC22,913$12.6M0.25%+22,112+2,760.5%Added
Covea Finance22,874$12.6M0.47%+2,784+13.9%Added
Mn Services Vermogensbeheer B.V.22,800$12.5M0.09%+22,800New
Susquehanna International Group, LLP22,564$12.4M0.02%+16,630+280.2%Added
Quantinno Capital Management LP22,380$12.3M0.05%+3,601+19.2%Added
Regents Gate Capital LLP22,134$12.2M4.29%+22,134New
Pathstone Holdings, LLC21,773$12.0M0.05%+546+2.6%Added
KLP Kapitalforvaltning AS21,593$11.9M0.05%+400+1.9%Added
Neuberger Berman Group LLC21,028$11.5M0.01%+4,225+25.1%Added
Advisors Asset Management, Inc.20,942$11.5M0.21%−2,867−12.0%Reduced
Resona Asset Management Co.,Ltd.20,777$11.4M0.06%+1,042+5.3%Added
Creative Planning20,766$11.4M0.01%+3,033+17.1%Added
Williams Jones Wealth Management, LLC.20,576$11.3M0.14%+462+2.3%Added
State of New Jersey Common Pension Fund D20,459$11.2M0.04%00.0%Unchanged
Daiwa Securities Group Inc.20,374$11.2M0.04%+1,672+8.9%Added
CIBC World Markets Inc.20,349$11.2M0.02%+19,823+3,768.6%Added
Nomura Asset Management Co Ltd20,234$11.1M0.03%+839+4.3%Added
Bank of Nova Scotia19,931$10.9M0.02%+13,546+212.2%Added
Truist Financial Corp19,692$10.8M0.02%−71−0.4%Reduced
Thrivent Financial for Lutherans19,477$10.7M0.02%−8,042−29.2%Reduced
GHP Investment Advisors, Inc.19,416$10.7M0.47%+1,064+5.8%Added
Ycg, LLC19,410$10.7M0.82%−100−0.5%Reduced
Pelham Capital Ltd.19,135$10.5M5.65%−3,885−16.9%Reduced
CIBC Asset Management Inc18,863$10.4M0.03%−665−3.4%Reduced
Sagefield Capital LP18,761$10.3M1.44%+628+3.5%Added
Whittier Trust Co18,678$10.3M0.12%+2,085+12.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)18,619$10.2M0.02%+6,078+48.5%Added
Public Employees Retirement System of Ohio18,618$10.2M0.03%−261−1.4%Reduced
Lansforsakringar Fondforvaltning AB (publ)18,399$10.1M0.06%−969−5.0%Reduced
SIH Partners, LLLP18,282$10.0M0.95%+18,282New