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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.

Q1 2026 vs. Q4 2025

How the institutions holding Martin Marietta Materials Inc changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of MLM: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders1,117131,077−27
Shares59.6M8.48M58.4M+7.30M (+14.3%)
Value$37.1B$5.28B$34.3B+$2.51B (+7.9%)

13 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (103)

Institutions that held Martin Marietta Materials Inc at the end of Q1 2026 but not at the end of Q4 2025.

Showing the largest 100 of 103 by value.

Institutions new to MLM in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Capital Management LLC3,917,383$2.31B0.06%
Vanguard Portfolio Management LLC3,160,444$1.86B0.10%
CIBC Bancorp USA Inc.474,543$279.4M0.38%
Vanguard Fiduciary Trust Co339,289$199.7M0.05%
D1 Capital Partners L.P.SuperinvestorD1 Capital Partners322,857$190.1M1.69%
Vanguard Global Advisers, LLC131,440$77.4M0.04%
Vanguard Asset Management, Ltd96,363$56.7M0.05%
Quantum Capital Management, LLC90,394$53.2M6.81%
Stockbridge Partners LLC32,213$19.0M0.46%
Coalescence Partners Investment Management, LP30,716$18.1M3.91%
Vanguard Investments Australia, Ltd.28,168$16.6M0.05%
Andra AP-fonden14,947$8.80M0.11%
Sirios Capital Management L P14,904$8.77M1.06%
Y-Intercept (Hong Kong) Ltd12,532$7.38M0.14%
SEB Asset Management AB12,216$7.19M0.03%
LTS One Management LP10,845$6.38M2.68%
Bradley Foster & Sargent Inc8,888$5.23M0.08%
Bridger Management, LLC7,638$4.50M3.51%
Banque Pictet & Cie SA5,898$3.47M0.04%
Regents Gate Capital LLP5,054$2.98M0.63%
ExodusPoint Capital Management, LP4,871$2.87M0.03%
Fremen Capital Management LP4,113$2.42M2.24%
XTX Topco Ltd3,034$1.79M0.03%
Lombard Odier Asset Management (Switzerland) SA2,968$1.75M0.07%
Abc Arbitrage SA2,935$1.73M0.23%
Virtus Investment Advisers, Inc.2,923$1.72M0.47%
Empowered Funds, LLC2,835$1.67M0.01%
Tudor Investment Corp Et Al2,649$1.56M0.01%
Virtu Financial LLC2,547$1.50M0.06%
Saudi Central Bank2,226$1.31M0.03%
IMC-Chicago, LLC2,000$1.18M0.02%
Samara Investment Management, LLC1,764$1.04M1.08%
BBR Partners, LLC1,242$731.1K0.04%
Dynamic Technology Lab Private Ltd1,115$656.4K0.11%
Caisse de Depot Et Placement du Quebec1,068$628.7K0.00%
Stoneridge Investment Partners LLC1,014$597.0K0.43%
Stonebridge Capital Management Inc975$574.0K0.26%
Rothschild Capital Partners, LLC972$572.2K0.14%
Palumbo Wealth Management LLC925$544.7K0.13%
nVerses Capital, LLC916$539.2K0.49%
MQS Management LLC869$511.6K0.35%
Greenland Capital Management LP820$482.7K0.10%
USA Financial Portformulas Corp718$422.7K0.08%
Gateway Wealth Partners, LLC623$366.7K0.01%
Edgestream Partners, L.P.513$302.0K0.01%
LexAurum Advisors, LLC509$299.7K0.04%
Blueshift Asset Management, LLC507$298.5K0.09%
WealthShield Partners, LLC491$289.0K0.03%
Kingsview Wealth Management, LLC490$288.4K0.00%
Hennion & Walsh Asset Management, Inc.476$280.2K0.01%
Aureus Asset Management, LLC450$264.9K0.02%
TCG Advisory Services, LLC417$245.5K0.01%
DV Trading LLC400$235.5K0.02%
Triad Wealth Partners, LLC398$234.3K0.02%
Fortune Financial Advisors, LLC375$220.8K0.11%
PUREfi Wealth, LLC371$218.6K0.14%
Waldron Private Wealth LLC361$212.5K0.01%
Vanguard National Trust Co350$206.0K0.01%
TRB Wealth Management, LLC350$206.0K0.03%
Tiaa-Cref Individual & Institutional Services, LLC270$158.9K0.00%
Davis Asset Management, L.P.200$117.7K0.00%
TIAA Wealth Investment Management LLC196$114.6K0.00%
Global Assets Advisory, LLC190$111.8K0.03%
EFG International AG126$74.2K0.00%
Golden State Equity Partners117$68.9K0.01%
Opal Wealth Advisors, LLC97$57.1K0.01%
Owl Creek Wealth Partners LLC72$42.4K0.02%
Beacon Investment Advisory Services, Inc.68$40.0K0.00%
Peterson Wealth Management62$36.2K0.02%
Twin Peaks Wealth Advisors, LLC54$32.0K0.01%
HM Payson & Co51$29.9K0.00%
Wall Street Financial Group, Inc.36$21.2K0.01%
Whipplewood Advisors, LLC34$20.0K0.01%
Quarry LP30$17.7K0.00%
JPL Wealth Management, LLC27$15.9K0.00%
Virginia Estate & Retirement Planning Advisors Inc.26$15.3K0.07%
RWM Asset Management, LLC25$14.7K0.00%
Timothy G. Youngquist 2020 Irrevocable Trust21$12.4K0.01%
Bayforest Capital Ltd18$10.6K0.01%
YANKCOM Partnership13$7.65K0.00%
First Pacific Financial12$7.07K0.00%
Cassaday & Co Wealth Management LLC12$7.07K0.00%
Strengthening Families & Communities, LLC9$5.39K0.00%
Joseph Group Capital Management9$5.30K0.00%
Trust Co of Toledo NA8$4.71K0.00%
Magnolia Wealth Management, LLC8$4.71K0.00%
Vermillion Wealth Management, Inc.4$2.35K0.00%
Burk Holdings LLC4$2.35K0.00%
MCF Advisors LLC3$1.77K0.00%
Valued Wealth Advisors LLC3$1.77K0.00%
American Capital Advisory, LLC3$1.77K0.00%
St Germain D J Co Inc3$1.77K0.00%
Global Wealth Strategies & Associates3$1.77K0.00%
Synergy Investment Management, LLC2$1.18K0.00%
Hamrick Investment Counsel, llc2$1.18K0.00%
Lloyd Advisory Services, LLC.2$1.18K0.00%
Washington Trust Advisors, Inc.2$1.18K0.00%
Kingdom Financial Group LLC.2$1.18K0.00%
Portus Wealth Advisors, LLC2$1.18K0.00%
Phillip James Consulting Co.1$1.00K0.00%

Sold out (130)

Institutions that held Martin Marietta Materials Inc at the end of Q4 2025 and filed for Q1 2026 without it.

Showing the largest 100 of 130 by value.

Institutions that sold out of MLM in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Freestone Grove Partners LP151,872$94.6M
Walleye Capital LLC49,228$30.7M
Qube Research & Technologies Ltd46,785$29.1M
Weiss Asset Management LP41,668$25.9M
Marsico Capital Management LLC19,533$12.2M
Shellback Capital, LP15,920$9.91M
Connor, Clark & Lunn Investment Management Ltd.11,954$7.44M
Skandinaviska Enskilda Banken AB (publ)11,929$7.43M
Rakuten Investment Management, Inc.7,934$5.06M
Mediolanum International Funds Ltd6,488$4.10M
Dockside LLC5,986$3.73M
Gallo Partners, LP4,460$2.78M
Capital Wealth Planning, LLC4,325$2.69M
Delta Global Management LP3,887$2.42M
Sandler Capital Management3,799$2.37M
Magnetar Financial LLC3,784$2.36M
Kentucky Retirement Systems3,765$2.34M
Hudson Canyon Capital Management3,603$2.24M
Quest Partners LLC2,647$1.65M
Symmetry Investments LP2,360$1.47M
Stance Capital LLC2,208$1.37M
Ieq Capital, LLC2,169$1.35M
HRT Financial LP2,073$1.29M
Axxcess Wealth Management, LLC1,970$1.23M
Aster Capital Management (DIFC) Ltd1,933$1.20M
La Banque Postale Asset Management SA1,917$1.19M
Qsemble Capital Management, LP1,648$1.03M
Colonial River Wealth Management, LLC1,358$845.6K
Lighthouse Investment Partners, LLC1,220$759.6K
Ashton Thomas Securities, LLC1,189$740.3K
Tobam1,172$730.0K
Alberta Investment Management Corp1,000$622.7K
Sciencast Management LP997$620.8K
Keel Point, LLC923$574.7K
HighPoint Advisor Group LLC835$520.0K
WBI Investments743$462.5K
Fiduciary Alliance LLC702$437.1K
Mirabella Financial Services LLP676$420.9K
Krilogy Financial LLC642$418.5K
RMB Capital Management, LLC634$394.6K
CIBC World Markets Inc.628$391.0K
Permanens Capital L.P.608$378.6K
Sage Mountain Advisors LLC602$374.8K
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main600$373.6K
Buckingham Strategic Partners597$372.2K
Capula Management Ltd582$362.4K
Atala Financial Inc1,944$360.7K
Sivia Capital Partners, LLC572$356.2K
YHB Investment Advisors, Inc.569$354.3K
Thompson David Blair528$328.8K
Brevan Howard Capital Management LP516$321.3K
LMR Partners LLP502$312.6K
Mariner Investment Group LLC500$311.3K
First Interstate Bank500$311.3K
Ehrenkranz Partners L.P.492$306.3K
Farringdon Capital, Ltd.486$302.6K
GTS Securities LLC478$297.6K
waypoint wealth counsel465$289.5K
Landscape Capital Management, L.L.C.455$283.3K
CTC Alternative Strategies, Ltd.440$274.0K
Howard Capital Management Inc.421$262.1K
Canvas Wealth Advisors, LLC401$249.8K
Rodgers & Associates, LTD384$239.1K
Prelude Capital Management, LLC381$237.2K
Atom Investors LP373$232.3K
SCS Capital Management LLC368$229.2K
Frec Markets, Inc.364$227.1K
Daner Wealth Management, LLC313$221.7K
Portside Wealth Group, LLC354$220.4K
Independent Solutions Wealth Management, LLC350$217.9K
Glassy Mountain Advisors, Inc.350$217.9K
J. Derek Lewis & Associates Inc.345$214.8K
Wellspring Financial Advisors, LLC343$214.1K
Childress Capital Advisors, LLC343$213.6K
Accel Wealth Management340$211.8K
FourThought Financial Partners, LLC339$211.1K
Silver Oak Securities, Inc334$211.0K
KPP Advisory Services LLC336$209.2K
Pavion Blue Capital, LLC334$208.0K
Prota Financial, LLC333$207.6K
Conning Inc.331$206.1K
Shelton Capital Management331$206.1K
Tiaa Trust, National Association331$206.1K
Xxi Wealth, LLC329$204.9K
Arcus Capital Partners, LLC328$204.2K
Abel Hall, LLC328$204.2K
Longboard Asset Management, LP327$203.6K
Welch & Forbes LLC324$201.7K
HBK Sorce Advisory LLC290$200.1K
Barlow Wealth Partners, Inc.300$200.0K
Intact Investment Management Inc.300$186.8K
Elyxium Wealth, LLC287$178.7K
TCTC Holdings, LLC260$161.9K
Flagship Harbor Advisors, LLC219$136.4K
IFC & Insurance Marketing, Inc.191$119.0K
Sentry Investment Management LLC132$82.0K
Concord Wealth Partners100$62.3K
Greenline Wealth Management LLC88$54.9K
SageView Advisory Group, LLC62$38.6K
Reflection Asset Management57$35.5K

Not filed for Q1 2026 yet (13)

Institutions that held Martin Marietta Materials Inc at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MLM in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc7,373,884$4.59B
Norges Bank569,623$354.7M
CIBC Private Wealth Group, LLC475,138$295.8M
Brandywine Global Investment Management, LLC26,839$16.7M
Forsta Ap-Fonden12,320$7.67M
Comerica Bank11,871$7.39M
CIBC World Markets Corp8,389$5.22M
Global Retirement Partners, LLC523$325.9K
Safe Harbor Wealth Advisors, LLC465$306.9K
ORG Partners LLC116$72.2K
DV Equities, LLC85$52.9K
Redmont Wealth Advisors LLC50$31.1K
Trust Co of Vermont31$19.3K