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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
Castleview Partners, LLC163$57.0K0.02%+163New
Eagle Bay Advisors LLC147$55.0K0.04%+147New
Rockbridge Investment Management, LCC150$53.0K0.01%00.0%Unchanged
Gemmer Asset Management LLC145$51.0K0.01%00.0%Unchanged
KB Financial Partners, LLC142$50.0K0.02%−16−10.1%Reduced
BBVA USA140$49.0K0.00%+140New
Bogart Wealth, LLC136$48.0K0.01%+2+1.5%Added
Harvest Fund Management Co., Ltd129$45.0K0.00%00.0%Unchanged
Heritage Wealth Advisors120$42.2K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC118$42.0K0.01%00.0%Unchanged
Sageworth Trust Co120$42.0K0.00%00.0%Unchanged
CX Institutional113$40.0K0.00%+14+14.1%Added
Sargent Bickham Lagudis LLC104$37.0K0.00%00.0%Unchanged
FourThought Financial, LLC100$35.0K0.00%−18−15.3%Reduced
Versant Capital Management, Inc99$35.0K0.01%−6−5.7%Reduced
FinTrust Capital Advisors, LLC100$35.0K0.01%00.0%Unchanged
Concord Wealth Partners100$35.0K0.01%00.0%Unchanged
Pacitti Group Inc.100$35.0K0.02%00.0%Unchanged
AllSquare Wealth Management LLC100$35.0K0.02%+50+100.0%Added
Charter Oak Capital Management, LLC95$34.0K0.00%00.0%Unchanged
Sutton Wealth Advisors Inc.94$33.1K0.01%00.0%Unchanged
Quadrant Capital Group LLC90$32.0K0.00%−4−4.3%Reduced
Bellwether Advisors, LLC89$31.0K0.01%−35−28.2%Reduced
Pin Oak Investment Advisors Inc86$30.0K0.03%00.0%Unchanged
Estabrook Capital Management82$28.8K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.79$28.0K0.02%+65+464.3%Added
Reilly Financial Advisors, LLC75$26.0K0.00%+29+63.0%Added
CVA Family Office, LLC75$26.0K0.01%+30+66.7%Added
Better Money Decisions, LLC70$25.0K0.02%00.0%Unchanged
San Francisco Sentry Investment Group (Ca)69$25.0K0.01%00.0%Unchanged
Raffa Wealth Management, LLC69$24.3K0.01%−31−31.0%Reduced
Zions Bancorporation, N.A.64$23.0K0.00%−23−26.4%Reduced
Pflug Koory, LLC65$23.0K0.01%00.0%Unchanged
IronBridge Private Wealth, LLC65$23.0K0.01%00.0%Unchanged
Wealth Quarterback LLC65$23.0K0.01%+65New
Caldwell Trust Co65$22.9K0.00%00.0%Unchanged
GPS Wealth Strategies Group, LLC58$20.0K0.01%+58New
Whittier Trust Co55$19.0K0.00%00.0%Unchanged
Parkside Financial Bank & Trust54$19.0K0.01%+1+1.9%Added
Jacobi Capital Management LLC55$19.0K0.00%+13+31.0%Added
Arkadios Wealth Advisors55$19.0K0.00%+55New
First National Bank of South Miami50$18.0K0.01%00.0%Unchanged
Signaturefd, LLC52$18.0K0.00%+3+6.1%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC51$17.0K0.00%00.0%Unchanged
Cordasco Financial Network47$17.0K0.01%00.0%Unchanged
Whittier Trust Co of Nevada Inc43$15.0K0.00%00.0%Unchanged
Accel Wealth Management40$14.0K0.01%+40New
Brewin Dolphin Ltd35$12.3K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc34$12.0K0.00%00.0%Unchanged
Clearstead Advisors, LLC32$11.0K0.00%00.0%Unchanged
Ancora Advisors, LLC32$11.0K0.00%00.0%Unchanged
Earnest Partners LLC31$11.0K0.00%00.0%Unchanged
Institutional & Family Asset Management, LLC30$11.0K0.00%+10+50.0%Added
Atlas Capital Advisors LLC31$10.9K0.00%00.0%Unchanged
Patriot Financial Group Insurance Agency, LLC29$10.0K0.00%+29New
Ossiam26$9.00K0.00%−2,623−99.0%Reduced
Solstein Capital, LLC26$9.00K0.01%00.0%Unchanged
Johnson Midwest Financial, LLC26$9.00K0.01%00.0%Unchanged
Sterling Investment Advisors, Ltd.25$9.00K0.00%00.0%Unchanged
BDO Wealth Advisors, LLC25$9.00K0.00%00.0%Unchanged
Key Financial Inc25$9.00K0.01%00.0%Unchanged
Glassman Wealth Services27$9.00K0.00%+5+22.7%Added
Private Capital Group, LLC26$9.00K0.00%+4+18.2%Added
Liberty Wealth Management LLC22$8.00K0.00%+22New
Prestige Wealth Management Group LLC20$7.00K0.00%−9−31.0%Reduced
Kistler-Tiffany Companies, LLC20$7.00K0.00%00.0%Unchanged
Sittner & Nelson, LLC20$7.00K0.00%00.0%Unchanged
Crewe Advisors LLC19$7.00K0.00%00.0%Unchanged
Red Door Wealth Management, LLC21$7.00K0.00%+21New
Carolina Wealth Advisors, LLC20$7.00K0.00%+20New
Activest Wealth Management16$6.00K0.00%+16New
Creative Financial Designs Inc15$5.00K0.00%00.0%Unchanged
Enterprise Financial Services Corp15$5.00K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.14$5.00K0.00%00.0%Unchanged
Roble, Belko & Company, Inc15$5.00K0.00%00.0%Unchanged
First Command Bank14$5.00K0.00%00.0%Unchanged
First Command Financial Services, Inc.14$5.00K0.00%00.0%Unchanged
Evoke Wealth, LLC14$5.00K0.00%00.0%Unchanged
First Horizon Corp14$4.00K0.00%00.0%Unchanged
Evolution Wealth Advisors, LLC12$4.00K0.00%00.0%Unchanged
Lindbrook Capital, LLC11$4.00K0.00%00.0%Unchanged
MV Capital Management, Inc.10$4.00K0.00%+10New
Jones Financial Companies LLLP8$3.00K0.00%00.0%Unchanged
Webster Bank, N. A.8$3.00K0.00%00.0%Unchanged
Washington Trust Co6$2.00K0.00%00.0%Unchanged
C M Bidwell & Associates Ltd7$2.00K0.00%00.0%Unchanged
Financial Management Professionals, Inc.7$2.00K0.00%00.0%Unchanged
Davidson Capital Management Inc.6$2.00K0.00%+6New
PEAK6 Investments LLC2$1.00K0.00%−2,788−99.9%Reduced
Bellevue Asset Management, LLC4$1.00K0.00%00.0%Unchanged
Carolinas Wealth Consulting LLC3$1.00K0.00%00.0%Unchanged
Winch Advisory Services, LLC3$1.00K0.00%+3New
Arcadia Investment Advisors LLC1$3520.00%+1New
SOA Wealth Advisors, LLC.1$00.00%00.0%Unchanged
Horan Securities, Inc.1$00.00%+1New
Swiss Life Asset Management Ltd845––+128+17.9%Added
Egerton Capital (UK) LLP0$00.00%−180,271−100.0%Sold out
Psagot Investment House Ltd.0$00.00%−31,198−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−30,903−100.0%Sold out
Maven Securities LTD0$00.00%−17,739−100.0%Sold out