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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 2021

Institutional positions in Martin Marietta Materials Inc as of Jun 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
696
+11 vs. Q1 2021
Shares held
57.8M
+629.7K (+1.1%) vs. Q1 2021
Total value
$20.3B
+$1.13B (+5.9%) vs. Q1 2021
New holders
76
244 more added
Sold out
65
230 more reduced

7 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2021: 696 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 2021: $20.3B
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 2021

Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q1 2021.

Institutions holding MLM in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Comerica Securities,inc.955$336.0K0.03%+203+27.0%Added
First Nebraska Trust Co959$337.4K0.04%00.0%Unchanged
Advisory Services Network, LLC976$344.0K0.01%−1,882−65.9%Reduced
B. Metzler seel. Sohn & Co. Holding AG978$344.0K0.01%−513−34.4%Reduced
Jump Financial, LLC982$345.0K0.03%+102+11.6%Added
Leuthold Group, LLC985$347.0K0.04%−27−2.7%Reduced
Oxbow Advisors, LLC986$347.0K0.04%+80+8.8%Added
Beacon Pointe Advisors, LLC987$347.0K0.01%+987New
Valeo Financial Advisors, LLC988$348.0K0.02%+380+62.5%Added
Glenmede Trust Co NA997$350.0K0.00%+1+0.1%Added
Bluestein R H & Co1,000$352.0K0.01%−200−16.7%Reduced
Buffington Mohr McNeal1,000$352.0K0.07%−100−9.1%Reduced
Bristol John W & Co Inc1,000$352.0K0.01%00.0%Unchanged
Alps Advisors Inc1,003$353.0K0.00%00.0%Unchanged
Acadian Asset Management LLC1,004$354.0K0.00%−4,574−82.0%Reduced
Spreng Capital Management, Inc.1,014$357.0K0.23%00.0%Unchanged
DuPont Capital Management Corp1,021$359.0K0.01%−1,017−49.9%Reduced
Wolverine Asset Management LLC1,027$361.0K0.00%−638−38.3%Reduced
Ballentine Partners, LLC1,039$365.0K0.01%+1,039New
Vestcor Inc1,045$368.0K0.01%−115−9.9%Reduced
LexAurum Advisors, LLC1,047$368.0K0.11%−75−6.7%Reduced
Private Advisor Group, LLC1,057$372.0K0.00%00.0%Unchanged
Proficio Capital Partners LLC1,070$376.0K0.05%+70+7.0%Added
Fosun International Ltd1,080$381.0K0.02%00.0%Unchanged
TownSquare Capital, LLC1,092$381.0K0.01%+41+3.9%Added
Raymond James Trust N.A.1,088$382.0K0.01%−209−16.1%Reduced
Baird Financial Group, Inc.1,091$384.0K0.00%00.0%Unchanged
Graypoint LLC1,097$386.0K0.05%−23−2.1%Reduced
Erste Asset Management GmbH1,100$387.6K0.01%+1,100New
Livforsakringsbolaget Skandia, Omsesidigt1,106$389.0K0.02%+400+56.7%Added
SFMG, LLC1,110$391.0K0.04%00.0%Unchanged
WBH Advisory Inc1,109$391.0K0.06%00.0%Unchanged
Financial Counselors Inc1,121$394.0K0.01%+49+4.6%Added
Capital Square, LLC1,125$396.0K0.29%00.0%Unchanged
Thomas White International Ltd1,130$398.0K0.05%00.0%Unchanged
CAPROCK Group, Inc.1,133$399.0K0.04%−6−0.5%Reduced
Garrett Investment Advisors LLC1,140$401.0K0.13%+13+1.2%Added
Tarbox Family Office, Inc.1,166$410.0K0.07%00.0%Unchanged
CWM, LLC1,172$412.0K0.00%00.0%Unchanged
Independent Solutions Wealth Management, LLC1,177$414.1K0.10%−50−4.1%Reduced
Circle Wealth Management, LLC1,184$417.0K0.06%−101−7.9%Reduced
Moors & Cabot, Inc.1,198$421.0K0.03%+50+4.4%Added
Adalta Capital Management LLC1,200$422.0K0.23%00.0%Unchanged
Agf Investments Inc.1,212$426.0K0.00%00.0%Unchanged
Fayez Sarofim & Co1,220$429.0K0.00%00.0%Unchanged
Strategy Asset Managers LLC1,232$433.0K0.09%00.0%Unchanged
Gratus Capital LLC1,230$433.0K0.05%00.0%Unchanged
Allstate Corp1,234$434.0K0.01%−182−12.9%Reduced
Western Financial Corporation1,235$434.0K0.23%+126+11.4%Added
Centiva Capital, LP1,235$435.0K0.03%+1,235New
Symmetry Partners, LLC1,251$440.0K0.03%00.0%Unchanged
Heartland Bank & Trust Co1,257$442.0K0.41%+1,257New
HBK Sorce Advisory LLC1,263$445.0K0.02%+320+33.9%Added
American Portfolios Advisors1,272$447.5K0.02%+76+6.4%Added
Exane Derivatives1,277$449.5K0.11%+1,277New
MainStreet Investment Advisors LLC1,279$450.0K0.04%+2+0.2%Added
Redpoint Investment Management Pty Ltd1,287$453.0K0.04%00.0%Unchanged
Ethic Inc.1,303$458.0K0.06%+370+39.7%Added
Wetherby Asset Management Inc1,310$461.0K0.03%+183+16.2%Added
Advisor Partners LLC1,314$462.0K0.03%+42+3.3%Added
Horizon Investments, LLC1,333$469.0K0.01%−665−33.3%Reduced
Harvest Investment Services, LLC1,343$472.0K0.20%+1,343New
Altshuler Shaham Ltd1,371$483.0K0.00%+1,371New
JustInvest LLC1,411$496.0K0.05%+725+105.7%Added
Franklin Street Advisors Inc1,430$503.0K0.04%−807−36.1%Reduced
Whitener Capital Management, Inc.1,430$503.0K0.20%+70+5.1%Added
Golden Green, Inc.1,455$512.0K0.39%−18−1.2%Reduced
Simon Quick Advisors, LLC1,463$514.0K0.14%00.0%Unchanged
LMR Partners LLP1,469$517.0K0.01%−1,333−47.6%Reduced
Northeast Financial Consultants Inc1,495$526.0K0.04%00.0%Unchanged
Vontobel Holding Ltd.1,498$528.0K0.00%+316+26.7%Added
Credit Agricole S A1,555$547.0K0.02%00.0%Unchanged
Epoch Investment Partners, Inc.1,559$548.0K0.00%00.0%Unchanged
Jupiter Wealth Management LLC1,500$549.0K0.26%+1,500New
Regentatlantic Capital LLC1,575$554.0K0.02%+1,575New
Massmutual Trust Co FSB1,590$559.0K0.02%+12+0.8%Added
World Asset Management Inc1,591$560.0K0.05%−96−5.7%Reduced
Stoneridge Investment Partners LLC1,600$563.0K0.27%+1,600New
Cerity Partners LLC1,617$569.0K0.01%+12+0.7%Added
Fiduciary Trust Co1,620$570.0K0.01%−62−3.7%Reduced
Kentucky Retirement Systems Insurance Trust Fund1,623$571.0K0.06%−130−7.4%Reduced
MML Investors Services, LLC1,624$571.0K0.00%+299+22.6%Added
Paloma Partners Management Co1,641$577.0K0.02%−1,727−51.3%Reduced
Brookstone Capital Management1,644$579.0K0.01%+1,644New
Ironsides Asset Advisors, LLC1,667$586.0K0.17%00.0%Unchanged
Northwestern Mutual Wealth Management Co1,685$592.0K0.00%−2,571−60.4%Reduced
First American Bank1,685$593.0K0.03%−75−4.3%Reduced
Parallel Advisors, LLC1,690$595.0K0.03%−447−20.9%Reduced
Banque Cantonale Vaudoise1,693$596.0K0.03%−5−0.3%Reduced
Cubist Systematic Strategies, LLC1,700$598.0K0.01%−34,815−95.3%Reduced
Stonebridge Capital Management Inc1,715$603.0K0.22%00.0%Unchanged
Cresset Asset Management, LLC1,722$606.0K0.01%+112+7.0%Added
Wolverine Trading, LLC1,724$607.0K0.02%−9,324−84.4%Reduced
Arden Trust Co1,749$615.0K0.10%+62+3.7%Added
IBM Retirement Fund1,758$618.0K0.05%−362−17.1%Reduced
Global Trust Asset Management, LLC1,785$628.0K0.30%−5−0.3%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,787$629.0K0.00%+1,787New
Natixis1,800$633.0K0.00%−24,257−93.1%Reduced
XTX Topco Ltd1,804$635.0K0.21%+942+109.3%Added
Trust Investment Advisors1,888$664.0K0.59%+79+4.4%Added