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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
Impact Capital Partners LLC720$453.8K0.14%−225−23.8%Reduced
Pallas Capital Advisors LLC722$455.0K0.02%+21+3.0%Added
Vontobel Holding Ltd.725$457.0K0.00%−161−18.2%Reduced
Alteri Wealth LLC729$459.6K0.16%+7+1.0%Added
Vise Technologies, Inc.731$460.7K0.02%+18+2.5%Added
Edgestream Partners, L.P.733$462.0K0.01%+733New
Wedmont Private Capital747$470.3K0.02%+73+10.8%Added
Herold Advisors, Inc.755$475.9K0.11%+155+25.8%Added
F/M Investments LLC759$478.4K0.02%00.0%Unchanged
Everence Capital Management Inc760$479.0K0.03%00.0%Unchanged
Brevan Howard Capital Management LP760$479.0K0.01%−7,116−90.4%Reduced
Mount Yale Investment Advisors, LLC762$480.3K0.03%−81−9.6%Reduced
Oak Thistle LLC767$483.4K0.07%+767New
Sendero Wealth Management, LLC771$485.9K0.06%−7−0.9%Reduced
CWA Asset Management Group, LLC772$486.6K0.02%−12−1.5%Reduced
Blue Edge Capital, LLC783$493.5K0.07%00.0%Unchanged
Prosperity Consulting Group, LLC783$493.5K0.02%+63+8.8%Added
Marks Group Wealth Management, Inc784$494.1K0.05%+4+0.5%Added
Resources Investment Advisors, LLC.784$494.4K0.01%−166−17.5%Reduced
Choate Investment Advisors795$501.1K0.01%00.0%Unchanged
Everpar Advisors LLC806$508.0K0.20%−15−1.8%Reduced
MainStreet Investment Advisors LLC808$509.3K0.07%−75−8.5%Reduced
Personal Cfo Solutions, LLC808$509.4K0.09%+21+2.7%Added
Ci Investments Inc.809$510.0K0.00%−29−3.5%Reduced
RMR Wealth Builders810$510.5K0.04%−2,844−77.8%Reduced
CX Institutional811$511.0K0.02%+329+68.3%Added
Independent Advisor Alliance816$514.3K0.01%+51+6.7%Added
Integrated Wealth Concepts LLC824$519.2K0.00%+824New
Connecticut Wealth Management, LLC826$520.6K0.02%00.0%Unchanged
Willner & Heller, LLC842$530.8K0.41%+1+0.1%Added
Panagora Asset Management Inc845$532.6K0.00%−13−1.5%Reduced
Nelson, Van Denburg & Campbell Wealth Management Group, LLC845$532.8K0.02%+105+14.2%Added
Dark Forest Capital Management LP849$535.1K0.02%−2,202−72.2%Reduced
Spire Wealth Management855$538.7K0.02%+1+0.1%Added
Patron Partners Advisors, LLC855$539.1K0.24%+91+11.9%Added
HighPoint Advisor Group LLC861$542.8K0.03%+35+4.2%Added
NBT Bank N A865$545.2K0.04%00.0%Unchanged
Voleon Capital Management LP867$546.5K0.01%+397+84.5%Added
J.W. Cole Advisors, Inc.871$549.2K0.01%+56+6.9%Added
Premier Path Wealth Partners, LLC880$554.6K0.07%+4+0.5%Added
Red Door Wealth Management, LLC887$559.1K0.06%+14+1.6%Added
Keel Point, LLC889$560.3K0.03%−33−3.6%Reduced
Independence Bank of Kentucky906$571.0K0.07%+119+15.1%Added
Blackstone Group Inc.915$576.7K0.00%+31+3.5%Added
IFP Advisors, Inc917$578.0K0.02%−172−15.8%Reduced
Sagespring Wealth Partners, LLC918$578.7K0.01%+34+3.8%Added
Circle Wealth Management, LLC927$584.3K0.01%00.0%Unchanged
Evercore Wealth Management, LLC928$584.9K0.01%00.0%Unchanged
Mission Wealth Management, LP934$588.5K0.01%−122−11.6%Reduced
Frank, Rimerman Advisors LLC936$589.9K0.04%+10+1.1%Added
Net Worth Advisory Group937$590.8K0.17%−114−10.8%Reduced
Snowden Capital Advisors LLC939$591.9K0.02%−31−3.2%Reduced
Fifth Third Wealth Advisors LLC941$593.1K0.02%+38+4.2%Added
Kestra Private Wealth Services, LLC955$602.2K0.01%−192−16.7%Reduced
Defined Wealth Management, LLC971$612.0K0.36%+6+0.6%Added
Miracle Mile Advisors, LLC971$612.2K0.01%−89−8.4%Reduced
Baker Tilly Wealth Management, LLC978$616.5K0.14%+74+8.2%Added
Concurrent Investment Advisors, LLC979$617.1K0.01%−1−0.1%Reduced
Summit Financial, LLC981$618.4K0.01%+191+24.2%Added
Merrion Investment Management Co, LLC1,000$630.3K0.36%00.0%Unchanged
Corient IA LLC1,000$630.3K0.47%00.0%Unchanged
Ferguson Wellman Capital Management, Inc1,005$633.4K0.01%00.0%Unchanged
Prudential PLC1,008$635.3K0.00%00.0%Unchanged
Recurrent Investment Advisors LLC1,008$635.3K0.05%00.0%Unchanged
Adalta Capital Management LLC1,015$639.7K0.29%00.0%Unchanged
Midwest Trust Co1,023$644.8K0.01%00.0%Unchanged
Welch Group, LLC1,035$652.3K0.03%00.0%Unchanged
SFMG, LLC1,037$653.6K0.05%00.0%Unchanged
TD Private Client Wealth LLC1,040$655.5K0.01%+273+35.6%Added
Axxcess Wealth Management, LLC1,074$676.9K0.01%−332−23.6%Reduced
Hengehold Capital Management LLC1,084$683.5K0.06%+107+11.0%Added
Hazlett, Burt & Watson, Inc.1,093$687.0K0.24%−101−8.5%Reduced
Texas Bank & Trust Co1,100$693.3K0.26%00.0%Unchanged
Private Advisor Group, LLC1,101$693.8K0.00%−283−20.4%Reduced
Atomi Financial Group, Inc.1,106$696.8K0.02%+71+6.9%Added
WBH Advisory Inc1,109$699.0K0.05%00.0%Unchanged
Fidelis Capital Partners, LLC1,115$702.8K0.05%+2+0.2%Added
Moors & Cabot, Inc.1,127$710.3K0.03%−4−0.4%Reduced
Umb Bank N A1,128$711.0K0.01%00.0%Unchanged
Greenleaf Trust1,132$713.5K0.01%+39+3.6%Added
Massmutual Trust Co FSB1,133$714.1K0.02%−72−6.0%Reduced
Erste Asset Management GmbH1,150$714.4K0.01%+550+91.7%Added
Canada Post Corp Registered Pension Plan1,167$725.0K0.03%+230+24.5%Added
State of Wyoming1,153$726.7K0.08%−194−14.4%Reduced
MUFG Securities EMEA plc1,154$727.3K0.02%+976+548.3%Added
Tarbox Family Office, Inc.1,156$728.6K0.11%00.0%Unchanged
Jump Financial, LLC1,170$737.4K0.01%−1,456−55.4%Reduced
Principal Street Partners, LLC1,173$739.3K0.12%−35−2.9%Reduced
Castle Wealth Management LLC1,174$740.0K0.25%+1+0.1%Added
Michael B. Yongue1,178$742.5K0.52%−5−0.4%Reduced
Sageworth Trust Co1,185$746.9K0.03%+1,185New
Aventura Private Wealth, LLC1,193$752.0K0.28%−9−0.7%Reduced
Bridgewealth Advisory Group, LLC1,206$760.4K0.18%+1+0.1%Added
Syon Capital LLC1,209$762.1K0.04%+182+17.7%Added
Ashton Thomas Securities, LLC1,217$767.1K0.11%+33+2.8%Added
Clarendon Private LLC1,224$771.5K0.70%−65−5.0%Reduced
Strategy Asset Managers LLC1,232$776.5K0.14%00.0%Unchanged
Paladin Wealth, LLC1,236$779.0K0.56%+1,236New
O'Brien Greene & Co. Inc1,258$793.0K0.24%−6−0.5%Reduced
Wellington Management Group LLP1,261$794.8K0.00%+500+65.7%Added