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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
Principal Street Partners, LLC1,989$680.0K0.19%−623−23.9%Reduced
Brookstone Capital Management1,910$667.0K0.01%+266+16.2%Added
Agf Investments Inc.1,950$666.0K0.01%+738+60.9%Added
Trust Investment Advisors1,939$663.0K0.59%+51+2.7%Added
Elevated Capital Advisors, LLC1,937$662.0K0.23%+1,937New
Andra AP-fonden1,900$649.0K0.01%+1,900New
Eaton Vance Management2,691$635.0K0.00%−303−10.1%Reduced
Cetera Advisor Networks LLC1,819$621.0K0.01%−584−24.3%Reduced
TownSquare Capital, LLC1,803$616.0K0.02%+711+65.1%Added
Parallel Advisors, LLC1,794$613.0K0.02%+104+6.2%Added
Global Trust Asset Management, LLC1,785$610.0K0.27%00.0%Unchanged
IBM Retirement Fund1,758$601.0K0.05%00.0%Unchanged
Bokf, NA1,754$600.0K0.01%+1,754New
Arden Trust Co1,740$595.0K0.10%−9−0.5%Reduced
Northwestern Mutual Wealth Management Co1,732$592.0K0.00%+47+2.8%Added
Stonebridge Capital Management Inc1,715$586.0K0.22%00.0%Unchanged
Pensionfund DSM Netherlands1,700$581.0K0.07%+1,700New
Kentucky Retirement Systems Insurance Trust Fund1,698$580.0K0.06%+75+4.6%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,683$575.0K0.00%−104−5.8%Reduced
Kestra Private Wealth Services, LLC1,680$574.0K0.03%+1,045+164.6%Added
First American Bank1,645$562.0K0.03%−40−2.4%Reduced
Centiva Capital, LP1,620$554.0K0.04%+385+31.2%Added
MML Investors Services, LLC1,588$543.0K0.00%−36−2.2%Reduced
Baird Financial Group, Inc.1,590$543.0K0.00%+499+45.7%Added
Fiduciary Trust Co1,587$542.0K0.01%−33−2.0%Reduced
Ironsides Asset Advisors, LLC1,561$533.0K0.17%−106−6.4%Reduced
Massmutual Trust Co FSB1,560$533.0K0.02%−30−1.9%Reduced
Epoch Investment Partners, Inc.1,559$533.0K0.00%00.0%Unchanged
Simon Quick Advisors, LLC1,514$517.0K0.13%+51+3.5%Added
Shay Capital LLC1,500$513.0K0.16%+1,500New
Banque Cantonale Vaudoise1,467$501.0K0.02%−226−13.3%Reduced
World Asset Management Inc1,463$500.0K0.05%−128−8.0%Reduced
Exane Derivatives1,430$488.6K0.12%+153+12.0%Added
Rehmann Capital Advisory Group1,315$470.8K0.04%−2,528−65.8%Reduced
Franklin Street Advisors Inc1,360$465.0K0.04%−70−4.9%Reduced
Western Financial Corporation1,355$463.0K0.27%+120+9.7%Added
Los Angeles Capital Management LLC1,320$451.0K0.00%−6,628−83.4%Reduced
TD Private Client Wealth LLC1,316$449.7K0.02%−1,115−45.9%Reduced
Heartland Bank & Trust Co1,313$449.0K0.39%+56+4.5%Added
Mirabella Financial Services LLP1,305$446.0K0.06%+1,305New
Garrett Investment Advisors LLC1,300$444.0K0.15%+160+14.0%Added
Wetherby Asset Management Inc1,293$442.0K0.03%−17−1.3%Reduced
Advisor Partners LLC1,292$441.0K0.03%−22−1.7%Reduced
HBK Sorce Advisory LLC1,288$441.0K0.02%+25+2.0%Added
Strategy Asset Managers LLC1,282$438.0K0.10%+50+4.1%Added
Symmetry Partners, LLC1,251$435.0K0.03%00.0%Unchanged
MainStreet Investment Advisors LLC1,253$428.0K0.04%−26−2.0%Reduced
Advisory Services Network, LLC1,243$424.0K0.01%+267+27.4%Added
JustInvest LLC1,236$422.0K0.04%−175−12.4%Reduced
Gratus Capital LLC1,230$420.0K0.05%00.0%Unchanged
Fayez Sarofim & Co1,220$417.0K0.00%00.0%Unchanged
Adalta Capital Management LLC1,200$410.0K0.23%00.0%Unchanged
Redpoint Investment Management Pty Ltd1,195$408.0K0.03%−92−7.1%Reduced
Moors & Cabot, Inc.1,198$407.0K0.03%00.0%Unchanged
Circle Wealth Management, LLC1,184$405.0K0.06%00.0%Unchanged
Independent Solutions Wealth Management, LLC1,177$402.2K0.10%00.0%Unchanged
Tarbox Family Office, Inc.1,166$398.0K0.07%00.0%Unchanged
Capital Square, LLC1,125$398.0K0.28%00.0%Unchanged
CWM Advisors, LLC1,150$393.0K0.05%−4,475−79.6%Reduced
CAPROCK Group, Inc.1,143$391.0K0.03%+10+0.9%Added
Erste Asset Management GmbH1,100$389.2K0.01%00.0%Unchanged
Graypoint LLC1,135$388.0K0.05%+38+3.5%Added
Whitener Capital Management, Inc.1,360$386.0K0.18%−70−4.9%Reduced
Thomas White International Ltd1,130$386.0K0.06%00.0%Unchanged
Financial Counselors Inc1,121$383.0K0.01%00.0%Unchanged
Fosun International Ltd1,080$382.0K0.02%00.0%Unchanged
WBH Advisory Inc1,112$380.0K0.05%+3+0.3%Added
Meristem Family Wealth, LLC1,112$380.0K0.04%+1,112New
Golden Green, Inc.1,081$369.0K0.29%−374−25.7%Reduced
SFMG, LLC1,080$369.0K0.04%−30−2.7%Reduced
Spreng Capital Management, Inc.1,022$362.0K0.23%+8+0.8%Added
Ballentine Partners, LLC1,056$361.0K0.01%+17+1.6%Added
Comerica Securities,inc.1,037$354.0K0.03%+82+8.6%Added
Allstate Corp1,030$352.0K0.01%−204−16.5%Reduced
Edgestream Partners, L.P.1,017$347.0K0.02%+1,017New
Raymond James Trust N.A.1,007$344.0K0.01%−81−7.4%Reduced
LexAurum Advisors, LLC1,007$344.0K0.10%−40−3.8%Reduced
Valeo Financial Advisors, LLC1,003$343.0K0.02%+15+1.5%Added
Park Avenue Securities LLC1,005$343.0K0.01%+190+23.3%Added
Bristol John W & Co Inc1,000$342.0K0.01%00.0%Unchanged
Bluestein R H & Co1,000$342.0K0.01%00.0%Unchanged
Buffington Mohr McNeal1,000$342.0K0.07%00.0%Unchanged
Ameritas Investment Company, LLC988$338.0K0.02%+988New
Leuthold Group, LLC985$337.0K0.04%00.0%Unchanged
B. Metzler seel. Sohn & Co. Holding AG978$334.0K0.00%00.0%Unchanged
Walleye Capital LLC966$330.0K0.01%+966New
First Nebraska Trust Co959$327.7K0.04%00.0%Unchanged
Proficio Capital Partners LLC956$327.0K0.04%−114−10.7%Reduced
Defender Capital, LLC.950$325.0K0.11%00.0%Unchanged
O'Brien Greene & Co. Inc945$323.0K0.12%+35+3.8%Added
LMR Partners LLP941$322.0K0.00%−528−35.9%Reduced
Defined Wealth Management, LLC927$317.0K0.28%+12+1.3%Added
Checchi Capital Advisers, LLC925$316.0K0.04%+15+1.6%Added
Vestcor Inc919$314.0K0.01%−126−12.1%Reduced
Spire Wealth Management912$312.0K0.01%+71+8.4%Added
Prospera Financial Services Inc883$302.0K0.02%+25+2.9%Added
Toroso Investments, LLC882$302.0K0.01%+140+18.9%Added
Gotham Asset Management, LLC876$299.0K0.01%−1,859−68.0%Reduced
JSF Financial, LLC874$299.0K0.15%+874New
Ethic Inc.873$298.0K0.03%−430−33.0%Reduced