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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
57.9M
+640.9K (+1.1%) vs. Q1 2021
Total value
$20.3B
+$1.14B (+5.9%) vs. Q1 2021
New holders
76
246 more added
Sold out
65
229 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: 1,118 institutionsQ1 2026: 1,077 institutionsQ2 2026: 1,079 institutions
Value heldQ2 2021: $20.3B
Q1 2021: $19.5BQ2 2021: $20.3BQ3 2021: $19.7BQ4 2021: $25.7BQ1 2022: $22.8BQ2 2022: $17.5BQ3 2022: $18.9BQ4 2022: $19.7BQ1 2023: $21.3BQ2 2023: $27.5BQ3 2023: $24.2BQ4 2023: $30.7BQ1 2024: $38.7BQ2 2024: $33.4BQ3 2024: $33.8BQ4 2024: $30.5BQ1 2025: $28.5BQ2 2025: $32.9BQ3 2025: $38.5BQ4 2025: $37.7BQ1 2026: $34.4BQ2 2026: $34.2B
Institutions holding MLM and their total value by quarter
QuarterHoldersValue
Q2 20261,079$34.2B
Q1 20261,077$34.4B
Q4 20251,118$37.7B
Q3 20251,053$38.5B
Q2 2025999$32.9B
Q1 2025953$28.5B
Q4 2024992$30.5B
Q3 2024948$33.8B
Q2 2024940$33.4B
Q1 2024957$38.7B
Q4 2023889$30.7B
Q3 2023815$24.2B
Q2 2023804$27.5B
Q1 2023746$21.3B
Q4 2022768$19.7B
Q3 2022736$18.9B
Q2 2022728$17.5B
Q1 2022763$22.8B
Q4 2021775$25.7B
Q3 2021700$19.7B
Q2 2021696$20.3B
Q1 2021692$19.5B

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
Vanguard Group Inc6,661,957$2.34B0.06%+23,041+0.3%Added
BlackRock Inc.4,096,095$1.44B0.04%+144,354+3.7%Added
Baillie Gifford & Co3,813,680$1.34B0.65%+26,884+0.7%Added
Aristotle Capital Management, LLC3,563,384$1.25B2.39%+75,769+2.2%Added
State Street Corp3,329,275$1.17B0.06%+42,182+1.3%Added
Select Equity Group, L.P.3,091,841$1.09B3.72%+92,785+3.1%Added
Price T Rowe Associates Inc1,786,310$628.4M0.06%+875,618+96.1%Added
JPMorgan Chase & Co1,546,281$544.0M0.07%−248,164−13.8%Reduced
Gardner Russo & Quinn LLCSuperinvestorGardner Russo & Quinn1,235,775$434.8M3.67%−34,775−2.7%Reduced
Geode Capital Management, LLC1,158,815$406.6M0.06%+31,330+2.8%Added
Principal Financial Group Inc1,136,283$399.8M0.26%−55,056−4.6%Reduced
Morgan Stanley1,047,152$368.4M0.05%−636,955−37.8%Reduced
William Blair Investment Management, LLC968,012$340.6M1.07%−14,320−1.5%Reduced
Goldman Sachs Group Inc908,356$319.6M0.09%−35,610−3.8%Reduced
CIBC Private Wealth Group, LLC876,102$308.2M0.71%+531,722+154.4%Added
Amundi755,219$265.7M0.18%+755,219New
Northern Trust Corp684,900$241.0M0.04%+8,035+1.2%Added
Alkeon Capital Management LLC671,533$236.3M0.84%+90,000+15.5%Added
King Luther Capital Management Corp661,695$232.8M1.14%+1,215+0.2%Added
Dimensional Fund Advisors LP642,632$226.1M0.07%−10,610−1.6%Reduced
Bank of America Corp617,239$217.2M0.02%+104,737+20.4%Added
FMR LLC612,602$215.5M0.02%−48,504−7.3%Reduced
Norges Bank552,011$194.2M0.04%−4,412−0.8%Reduced
Bank of New York Mellon Corp483,250$170.0M0.03%−20,340−4.0%Reduced
London Co of Virginia457,922$161.1M0.86%+29,358+6.9%Added
Franklin Resources Inc418,505$147.2M0.06%−105,657−20.2%Reduced
Invesco Ltd.400,488$140.9M0.03%+54,168+15.6%Added
Legal & General Group Plc400,335$140.8M0.05%+38,752+10.7%Added
Eagle Asset Management Inc383,196$134.8M0.58%−562−0.1%Reduced
Davenport & Co LLC380,937$134.0M1.03%+26,482+7.5%Added
Mitsubishi UFJ Trust & Banking Corp378,198$133.1M0.28%−8,897−2.3%Reduced
Royal Bank of Canada354,947$124.9M0.03%+102,376+40.5%Added
Artisan Partners Limited Partnership340,634$119.8M0.14%+2,334+0.7%Added
UBS Asset Management Americas Inc315,329$110.9M0.05%−9,171−2.8%Reduced
Rockefeller Capital Management L.P.306,821$107.9M0.61%−870−0.3%Reduced
Charles Schwab Investment Management Inc306,507$107.8M0.04%+5,319+1.8%Added
Findlay Park Partners LLP269,474$94.8M0.65%−335,976−55.5%Reduced
Mirae Asset Global Investments Co., Ltd.266,662$93.8M0.26%+95,515+55.8%Added
Rothschild & Co Asset Management US Inc.264,843$93.2M1.11%+11,865+4.7%Added
Swiss National Bank253,929$89.3M0.06%+14,633+6.1%Added
Atlanta Capital Management Co L L C239,187$84.1M0.29%−10,851−4.3%Reduced
Clearbridge Investments, LLC230,889$81.2M0.06%+13,142+6.0%Added
Silvercrest Asset Management Group LLC224,297$78.9M0.52%−2,849−1.3%Reduced
Rathbone Brothers plc222,800$78.4M0.87%00.0%Unchanged
APG Asset Management N.V.264,124$78.4M0.13%−6,212−2.3%Reduced
Parametric Portfolio Associates LLC209,677$73.8M0.04%+9,944+5.0%Added
Sumitomo Mitsui Trust Holdings, Inc.190,258$66.9M0.04%−11,195−5.6%Reduced
KBC Group NV187,138$65.8M0.12%+692+0.4%Added
Nuveen Asset Management, LLC186,355$65.6M0.02%+7,387+4.1%Added
Thrivent Financial for Lutherans183,200$64.5M0.13%−5,972−3.2%Reduced
Citigroup Inc172,373$60.6M0.05%+46,168+36.6%Added
DekaBank Deutsche Girozentrale164,526$57.6M0.17%+1,824+1.1%Added
Alliancebernstein L.P.148,692$52.3M0.02%+10,641+7.7%Added
California Public Employees Retirement System140,890$49.6M0.04%−3,084−2.1%Reduced
Deutsche Bank AG133,411$46.9M0.02%+17,282+14.9%Added
Nitorum Capital, L.P.132,464$46.6M2.12%00.0%Unchanged
Tran Capital Management, L.P.129,122$45.4M3.75%+4,329+3.5%Added
TimesSquare Capital Management, LLC127,700$44.9M0.37%+2,950+2.4%Added
McDonald Capital Investors Inc127,528$44.9M3.37%−2,448−1.9%Reduced
Wells Fargo & Company126,498$44.5M0.01%−40,045−24.0%Reduced
Janus Henderson Group PLC117,758$41.4M0.02%−21,829−15.6%Reduced
First Republic Investment Management, Inc.113,819$40.0M0.10%+23,669+26.3%Added
Credit Suisse AG113,290$39.9M0.03%−31,204−21.6%Reduced
Kornitzer Capital Management Inc112,897$39.7M0.60%+604+0.5%Added
M&G Investment Management Ltd112,608$39.6M0.10%+1,788+1.6%Added
Scout Investments, Inc.111,892$39.4M0.59%+1,693+1.5%Added
California State Teachers Retirement System110,259$38.8M0.05%−3,522−3.1%Reduced
Kames Capital plc108,398$38.1M0.54%−1,701−1.5%Reduced
UBS Group AG104,291$36.7M0.02%+12,488+13.6%Added
DnB Asset Management AS103,831$36.5M0.24%−18,237−14.9%Reduced
New York State Common Retirement Fund103,429$36.4M0.04%−1,562−1.5%Reduced
STRS Ohio102,626$36.1M0.13%+1,137+1.1%Added
Macquarie Group Ltd100,982$35.5M0.03%+11,941+13.4%Added
Retirement Systems of Alabama100,415$35.3M0.13%−417−0.4%Reduced
Rhumbline Advisers99,243$34.9M0.05%−3,458−3.4%Reduced
Steginsky Capital LLC97,455$34.3M13.72%−881−0.9%Reduced
SEI Investments Co96,671$34.0M0.08%+399+0.4%Added
First Trust Advisors LP89,402$31.5M0.03%+7,819+9.6%Added
Barclays PLC89,367$31.4M0.03%+9,142+11.4%Added
National Pension Service89,293$31.4M0.06%00.0%Unchanged
Gilder Gagnon Howe & Co LLC88,302$31.1M0.15%−3,001−3.3%Reduced
Federated Hermes, Inc.84,880$29.9M0.06%+2,890+3.5%Added
Renaissance Group LLC83,707$29.4M1.23%−4,048−4.6%Reduced
Prudential Financial Inc83,302$29.3M0.04%+16,295+24.3%Added
Heritage Investors Management Corp81,891$28.8M1.21%−3,294−3.9%Reduced
Aviva PLC80,341$28.3M0.12%+817+1.0%Added
Bank of Montreal77,822$27.4M0.01%+10,189+15.1%Added
State Board of Administration of Florida Retirement System77,309$27.2M0.05%+4,491+6.2%Added
Raymond James & Associates75,060$26.4M0.02%+424+0.6%Added
Congress Asset Management Co73,740$25.9M0.22%+898+1.2%Added
American Century Companies Inc72,630$25.6M0.02%−89,840−55.3%Reduced
Healthcare of Ontario Pension Plan Trust Fund72,400$25.5M0.06%−360.0%Reduced
Stifel Financial Corp71,808$25.3M0.04%+1,703+2.4%Added
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management70,450$24.8M1.05%00.0%Unchanged
New York State Teachers Retirement System68,924$24.2M0.05%−4,295−5.9%Reduced
Envestnet Asset Management Inc68,348$24.0M0.01%+2,869+4.4%Added
Adage Capital Partners GP, L.L.C.67,639$23.8M0.05%−1,600−2.3%Reduced
TD Asset Management Inc64,668$23.5M0.02%+13,245+25.8%Added
HSBC Holdings PLC66,394$23.3M0.03%−14,042−17.5%Reduced
Susquehanna International Group, LLP65,306$23.0M0.03%+51,163+361.8%Added