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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 2025

Institutional positions in Martin Marietta Materials Inc as of Sep 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
1,053
+68 vs. Q2 2025
Shares held
58.2M
−919.2K (−1.6%) vs. Q2 2025
Total value
$36.7B
+$4.20B (+12.9%) vs. Q2 2025
New holders
132
366 more added
Sold out
64
344 more reduced

14 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,053 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 2025: $36.7B
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 2025

Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q2 2025.

Institutions holding MLM in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Dunhill Financial, LLC7$4.67K0.00%00.0%Unchanged
C M Bidwell & Associates Ltd7$4.41K0.00%00.0%Unchanged
Tidemark, LLC7$4.41K0.00%00.0%Unchanged
Mowery & Schoenfeld Wealth Management, LLC7$4.41K0.01%00.0%Unchanged
Wealth Watch Advisors, INC7$4.41K0.00%+7New
Bellevue Asset Management, LLC7$4.41K0.00%00.0%Unchanged
Key Financial Inc7$4.34K0.00%+2+40.0%Added
Sunbelt Securities, Inc.6$3.78K0.00%−3−33.3%Reduced
MTM Investment Management, LLC6$3.78K0.00%00.0%Unchanged
Granite FO LLC6$3.78K0.00%00.0%Unchanged
MPWM Advisory Solutions, LLC6$3.78K0.00%00.0%Unchanged
Breakwater Investment Management6$3.78K0.00%+6New
Hughes Financial Services, LLC6$3.70K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.6$3.70K0.00%00.0%Unchanged
Sofos Investments, Inc.5$3.16K0.00%+5New
Morse Asset Management, Inc5$3.15K0.00%00.0%Unchanged
First United Bank Trust5$3.15K0.00%+5New
Penserra Capital Management LLC6$3.00K0.00%00.0%Unchanged
Harvest Fund Management Co., Ltd4$3.00K0.00%+4New
Quest 10 Wealth Builders, Inc.5$2.92K0.00%+4+400.0%Added
TD Capital Management LLC4$2.54K0.00%00.0%Unchanged
Beaird Harris Wealth Management, LLC4$2.52K0.00%−1−20.0%Reduced
Rialto Wealth Management, LLC4$2.52K0.00%+1+33.3%Added
Dogwood Wealth Management LLC4$2.52K0.00%00.0%Unchanged
Heritage Wealth Advisors4$2.52K0.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC4$2.52K0.00%+1+33.3%Added
Capital Advisors, Ltd. LLC3$2.00K0.00%00.0%Unchanged
Barrett & Company, Inc.3$1.89K0.00%00.0%Unchanged
TFC Financial Management3$1.89K0.00%00.0%Unchanged
SJS Investment Consulting Inc.3$1.89K0.00%00.0%Unchanged
Nemes Rush Group LLC3$1.89K0.00%+1+50.0%Added
Principia Wealth Advisory, LLC3$1.89K0.00%+2+200.0%Added
HHM Wealth Advisors, LLC3$1.89K0.00%+3New
Kayne Anderson Rudnick Investment Management LLC2$1.62K0.00%−8−80.0%Reduced
Winnow Wealth LLC2$1.26K0.00%+2New
Cape Investment Advisory, Inc.2$1.26K0.00%−1−33.3%Reduced
Delos Wealth Advisors, LLC2$1.26K0.00%00.0%Unchanged
HFM Investment Advisors, LLC2$1.26K0.00%00.0%Unchanged
Godsey & Gibb Associates2$1.26K0.00%+2New
Texas Capital Bancshares Inc2$1.26K0.00%+2New
Smallwood Wealth Investment Management, LLC2$1.26K0.00%+2New
Sound Income Strategies, LLC1$6340.00%00.0%Unchanged
Quaker Wealth Management, LLC1$6310.00%00.0%Unchanged
DHJJ Financial Advisors, Ltd.1$6310.00%00.0%Unchanged
Cherry Tree Wealth Management, LLC1$6310.00%00.0%Unchanged
Financial Consulate, Inc1$6310.00%+1New
Seneschal Advisors, LLC1$6310.00%+1New
Hurley Capital, LLC1$6300.00%+1New
Stone House Investment Management, LLC1$6300.00%+1New
E Fund Management (Hong Kong) Co., Ltd.1$6300.00%+1New
Davis Capital Management1$6300.00%+1New
DecisionPoint Financial, LLC1$6210.00%00.0%Unchanged
Turning Point Benefit Group, Inc.1$6200.00%+1New
Shellback Capital, LP0$00.00%−47,525−100.0%Sold out
Two Creeks Capital Management, LP0$00.00%−39,913−100.0%Sold out
BNP PARIBAS ASSET MANAGEMENT Holding S.A.0$00.00%−35,851−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−26,324−100.0%Sold out
Regents Gate Capital LLP0$00.00%−22,134−100.0%Sold out
SIH Partners, LLLP0$00.00%−18,282−100.0%Sold out
Marshall Wace, LLP0$00.00%−17,944−100.0%Sold out
HRT Financial LP0$00.00%−11,919−100.0%Sold out
Cramer Rosenthal McGlynn LLC0$00.00%−7,797−100.0%Sold out
Moore Capital Management, LP0$00.00%−6,653−100.0%Sold out
ISAM Funds (UK) Ltd0$00.00%−4,755−100.0%Sold out
Winton Group Ltd0$00.00%−4,041−100.0%Sold out
Simplex Trading, LLC0$00.00%−2,703−100.0%Sold out
Inceptionr LLC0$00.00%−2,512−100.0%Sold out
Landscape Capital Management, L.L.C.0$00.00%−2,211−100.0%Sold out
Intact Investment Management Inc.0$00.00%−1,600−100.0%Sold out
V-Square Quantitative Management LLC0$00.00%−1,345−100.0%Sold out
Cinctive Capital Management LP0$00.00%−1,280−100.0%Sold out
U.S. Capital Wealth Advisors, LLC0$00.00%−1,245−100.0%Sold out
Dohj, LLC0$00.00%−750−100.0%Sold out
Groupama Asset Managment0$00.00%−653−100.0%Sold out
Defender Capital, LLC.0$00.00%−650−100.0%Sold out
XTX Topco Ltd0$00.00%−605−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−598−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−579−100.0%Sold out
Sand Hill Global Advisors, LLC0$00.00%−553−100.0%Sold out
Scientech Research LLC0$00.00%−551−100.0%Sold out
EntryPoint Capital, LLC0$00.00%−536−100.0%Sold out
MBB Public Markets I LLC0$00.00%−497−100.0%Sold out
IFG Advisory, LLC0$00.00%−442−100.0%Sold out
Permanens Capital L.P.0$00.00%−434−100.0%Sold out
ICONIQ Capital, LLC0$00.00%−427−100.0%Sold out
Laurion Capital Management LP0$00.00%−409−100.0%Sold out
Teza Capital Management LLC0$00.00%−395−100.0%Sold out
Waldron Private Wealth LLC0$00.00%−393−100.0%Sold out
Clarius Group, LLC0$00.00%−386−100.0%Sold out
Haverford Trust Co0$00.00%−378−100.0%Sold out
Freestone Capital Holdings, LLC0$00.00%−373−100.0%Sold out
Almanack Investment Partners, LLC.0$00.00%−367−100.0%Sold out
Center For Asset Management LLC0$00.00%−387−100.0%Sold out
Gitterman Wealth Management, LLC0$00.00%−274−100.0%Sold out
GeoWealth Management, LLC0$00.00%−263−100.0%Sold out
Bellwether Advisors, LLC0$00.00%−89−100.0%Sold out
Opal Wealth Advisors, LLC0$00.00%−78−100.0%Sold out
NewSquare Capital LLC0$00.00%−60−100.0%Sold out
Twin Peaks Wealth Advisors, LLC0$00.00%−51−100.0%Sold out
Kestra Investment Management, LLC0$00.00%−55−100.0%Sold out