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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 2023

Institutional positions in Martin Marietta Materials Inc as of Jun 30, 2023. 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
804
+62 vs. Q1 2023
Shares held
58.7M
−25.4M (−30.2%) vs. Q1 2023
Total value
$27.0B
+$6.29B (+30.4%) vs. Q1 2023
New holders
116
265 more added
Sold out
54
271 more reduced

4 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 2023: 804 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 2023: $27.0B
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 2023

Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q1 2023.

Institutions holding MLM in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
State Board of Administration of Florida Retirement System59,537$27.5M0.06%+1,349+2.3%Added
Glenmede Trust Co NA82,415$29.3M0.17%00.0%Unchanged
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management66,100$30.5M1.63%−450−0.7%Reduced
Gilder Gagnon Howe & Co LLC66,435$30.7M0.42%−11,320−14.6%Reduced
Raymond James & Associates66,728$30.8M0.03%+4,953+8.0%Added
Schonfeld Strategic Advisors LLC67,637$31.2M0.27%−35,005−34.1%Reduced
Ofi Invest Asset Management69,688$32.2M1.28%−25,603,990−99.7%Reduced
Aviva PLC70,154$32.4M0.13%−13,597−16.2%Reduced
Kornitzer Capital Management Inc70,703$32.6M0.64%−120−0.2%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.70,765$32.7M0.10%+2,928+4.3%Added
Heritage Investors Management Corp73,279$33.8M1.36%−2,920−3.8%Reduced
Alyeska Investment Group, L.P.74,378$34.3M0.26%+40,359+118.6%Added
HSBC Holdings PLC76,212$35.1M0.04%+10,508+16.0%Added
National Pension Service79,024$36.2M0.06%+661+0.8%Added
New York State Common Retirement Fund78,719$36.3M0.05%−3,539−4.3%Reduced
M&G Investment Management Ltd81,274$37.5M0.22%−20,935−20.5%Reduced
Korea Investment CORP82,445$38.1M0.11%+9,411+12.9%Added
Canada Pension Plan Investment Board86,448$39.9M0.06%−600−0.7%Reduced
Adage Capital Partners GP, L.L.C.86,739$40.0M0.09%−75,400−46.5%Reduced
Janus Henderson Group PLC87,661$40.5M0.03%−5,326−5.7%Reduced
Credit Suisse AG88,600$40.9M0.04%−22,560−20.3%Reduced
Retirement Systems of Alabama91,684$42.3M0.19%−4,269−4.4%Reduced
STRS Ohio95,388$44.0M0.19%−1,289−1.3%Reduced
California State Teachers Retirement System95,829$44.2M0.06%−2,246−2.3%Reduced
Jennison Associates LLC98,194$45.3M0.04%+777+0.8%Added
Envestnet Asset Management Inc101,210$46.7M0.02%+18,583+22.5%Added
Tran Capital Management, L.P.102,964$47.5M5.61%−17,114−14.3%Reduced
Steginsky Capital LLC108,886$50.3M15.70%+2,675+2.5%Added
McDonald Capital Investors Inc110,367$51.0M3.80%−2,935−2.6%Reduced
Millennium Management LLC115,824$53.5M0.06%−152,958−56.9%Reduced
Deutsche Bank AG116,957$54.0M0.03%−19,503−14.3%Reduced
California Public Employees Retirement System118,939$54.9M0.05%−5,236−4.2%Reduced
Ameriprise Financial Inc119,434$55.1M0.02%−1,567−1.3%Reduced
Rhumbline Advisers120,293$55.5M0.06%−331−0.3%Reduced
Wells Fargo & Company122,627$56.6M0.02%−3,247−2.6%Reduced
Alliancebernstein L.P.123,539$57.0M0.02%+45,464+58.2%Added
Price T Rowe Associates Inc132,605$61.2M0.01%−118,055−47.1%Reduced
SEI Investments Co135,706$62.7M0.11%−2,068−1.5%Reduced
Natixis Advisors, L.P.136,677$63.1M0.19%+117,052+596.4%Added
Silvercrest Asset Management Group LLC139,497$64.4M0.46%+4,076+3.0%Added
UBS Group AG139,541$64.4M0.03%+28,533+25.7%Added
TD Asset Management Inc145,470$67.2M0.08%−4,525−3.0%Reduced
Sumitomo Mitsui Trust Holdings, Inc.149,139$68.9M0.05%−23,348−13.5%Reduced
Shellback Capital, LP150,003$69.3M6.12%+29,300+24.3%Added
Interval Partners, LP157,353$72.6M3.65%+85,860+120.1%Added
Zurich Insurance Group Ltd158,677$73.3M0.76%+158,677New
Prudential Financial Inc161,964$74.8M0.11%+106,641+192.8%Added
TimesSquare Capital Management, LLC162,800$75.2M1.08%−10,305−6.0%Reduced
Nitorum Capital, L.P.171,288$79.1M8.00%00.0%Unchanged
Citadel Advisors LLC175,613$81.1M0.09%+168,691+2,437.0%Added
Marshall Wace, LLP177,128$81.8M0.18%+100,898+132.4%Added
Douglass Winthrop Advisors, LLC186,035$85.9M2.05%+2,338+1.3%Added
Citigroup Inc192,116$88.7M0.11%+50,777+35.9%Added
Royal Bank of Canada196,300$90.6M0.03%−8,880−4.3%Reduced
UBS Asset Management Americas Inc257,854$91.6M0.04%00.0%Unchanged
Nuveen Asset Management, LLC198,386$91.6M0.03%−3,319−1.6%Reduced
Great Lakes Advisors, LLC200,115$92.4M0.92%−25,908−11.5%Reduced
Barclays PLC202,847$93.7M0.06%+120,787+147.2%Added
Point72 Asset Management, L.P.211,671$97.7M0.34%+55,415+35.5%Added
Rathbone Brothers plc212,375$98.1M0.92%−39,976−15.8%Reduced
Swiss National Bank223,970$103.4M0.07%−22,400−9.1%Reduced
Clearbridge Investments, LLC237,560$109.7M0.10%−8,586−3.5%Reduced
Congress Asset Management Co242,594$112.0M0.97%+174,835+258.0%Added
DekaBank Deutsche Girozentrale266,535$122.0M0.27%−12,453−4.5%Reduced
Mawer Investment Management Ltd.292,795$135.2M0.71%−4,631−1.6%Reduced
Mirae Asset Global Investments Co., Ltd.309,570$142.9M0.31%+24,237+8.5%Added
Legal & General Group Plc311,394$143.8M0.05%−6,840−2.1%Reduced
Mitsubishi UFJ Trust & Banking Corp322,750$149.0M0.34%−15,694−4.6%Reduced
London Co of Virginia328,216$151.5M0.86%−2,793−0.8%Reduced
Franklin Resources Inc338,260$156.2M0.07%−8,230−2.4%Reduced
Balyasny Asset Management LLC339,531$156.8M0.44%+227,025+201.8%Added
Eagle Asset Management Inc339,679$156.8M0.87%−53,951−13.7%Reduced
Macquarie Group Ltd344,441$159.0M0.18%+30,281+9.6%Added
Charles Schwab Investment Management Inc352,444$162.7M0.05%+746+0.2%Added
Alkeon Capital Management LLC371,187$171.4M1.03%+64,865+21.2%Added
Davenport & Co LLC420,764$193.4M1.45%−7,250−1.7%Reduced
Invesco Ltd.465,212$214.8M0.06%+116,579+33.4%Added
Diamond Hill Capital Management Inc472,568$218.2M0.98%−39,182−7.7%Reduced
Bank of America Corp506,713$233.9M0.03%−132,224−20.7%Reduced
William Blair Investment Management, LLC520,066$240.1M0.77%+99,248+23.6%Added
Fred Alger Management, LLC535,851$247.4M1.26%+16,282+3.1%Added
FMR LLC563,843$260.3M0.02%+29,117+5.4%Added
Bank of New York Mellon Corp572,872$264.5M0.06%−30,490−5.1%Reduced
Dimensional Fund Advisors LP581,033$268.2M0.09%+28,377+5.1%Added
Northern Trust Corp593,076$273.8M0.05%−43,382−6.8%Reduced
Norges Bank652,479$301.2M0.06%−27,176−4.0%Reduced
Massachusetts Financial Services Co658,999$304.3M0.10%−6,667−1.0%Reduced
King Luther Capital Management Corp667,436$308.1M1.53%+1,719+0.3%Added
Findlay Park Partners LLP673,684$311.0M3.19%−116,069−14.7%Reduced
Morgan Stanley776,822$358.7M0.04%+66,931+9.4%Added
Gardner Russo & Quinn LLCSuperinvestorGardner Russo & Quinn973,520$449.5M4.44%−27,818−2.8%Reduced
Principal Financial Group Inc978,735$451.9M0.31%+1,096+0.1%Added
Goldman Sachs Group Inc1,007,334$465.1M0.12%−36,637−3.5%Reduced
CIBC Private Wealth Group, LLC1,047,002$483.4M1.06%+1,243+0.1%Added
Geode Capital Management, LLC1,311,439$603.9M0.07%+24,502+1.9%Added
Amundi1,544,846$704.8M0.36%−136,456−8.1%Reduced
T. Rowe Price Investment Management, Inc.1,767,624$816.1M0.56%+4,511+0.3%Added
JPMorgan Chase & Co1,861,401$859.4M0.10%−6,165−0.3%Reduced
State Street Corp2,569,976$1.19B0.06%+58,864+2.3%Added
Baillie Gifford & Co2,821,195$1.30B1.11%−66,217−2.3%Reduced