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, Q4 2025
Institutional positions in Martin Marietta Materials Inc as of Dec 31, 2025. 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
- 1,118
- +84 vs. Q3 2025
- Shares held
- 60.5M
- −482.5K (−0.8%) vs. Q3 2025
- Total value
- $37.7B
- −$737.6M (−1.9%) vs. Q3 2025
- New holders
- 155
- 364 more added
- Sold out
- 71
- 350 more reduced
19 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,079 | $34.2B |
| Q1 2026 | 1,077 | $34.4B |
| Q4 2025 | 1,118 | $37.7B |
| Q3 2025 | 1,053 | $38.5B |
| Q2 2025 | 999 | $32.9B |
| Q1 2025 | 953 | $28.5B |
| Q4 2024 | 992 | $30.5B |
| Q3 2024 | 948 | $33.8B |
| Q2 2024 | 940 | $33.4B |
| Q1 2024 | 957 | $38.7B |
| Q4 2023 | 889 | $30.7B |
| Q3 2023 | 815 | $24.2B |
| Q2 2023 | 804 | $27.5B |
| Q1 2023 | 746 | $21.3B |
| Q4 2022 | 768 | $19.7B |
| Q3 2022 | 736 | $18.9B |
| Q2 2022 | 728 | $17.5B |
| Q1 2022 | 763 | $22.8B |
| Q4 2021 | 775 | $25.7B |
| Q3 2021 | 700 | $19.7B |
| Q2 2021 | 696 | $20.3B |
| Q1 2021 | 692 | $19.5B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 7,373,884 | $4.59B | 0.07% | −69,061−0.9% | Reduced |
| BlackRock, Inc. | 4,486,226 | $2.79B | 0.05% | +334,218+8.0% | Added |
| FMR LLC | 2,921,794 | $1.82B | 0.09% | +42,247+1.5% | Added |
| State Street Corp | 2,771,720 | $1.73B | 0.06% | −25,557−0.9% | Reduced |
| Victory Capital Management Inc | 2,448,928 | $1.52B | 0.86% | +836,120+51.8% | Added |
| Bank of America Corp | 2,378,469 | $1.48B | 0.11% | +12,637+0.5% | Added |
| JPMorgan Chase & Co | 2,229,587 | $1.39B | 0.09% | −3,639,979−62.0% | Reduced |
| Principal Financial Group Inc | 2,170,746 | $1.35B | 0.69% | −33,679−1.5% | Reduced |
| Aristotle Capital Management, LLC | 2,050,277 | $1.28B | 2.56% | −103,850−4.8% | Reduced |
| Geode Capital Management, LLC | 1,553,364 | $963.4M | 0.06% | +10,743+0.7% | Added |
| T. Rowe Price Investment Management, Inc. | 1,515,875 | $943.9M | 0.37% | +462,213+43.9% | Added |
| Morgan Stanley | 1,367,016 | $851.2M | 0.05% | +68,382+5.3% | Added |
| Baillie Gifford & Co | 1,159,375 | $721.9M | 0.60% | −36,419−3.0% | Reduced |
| Select Equity Group, L.P. | 1,067,530 | $664.7M | 3.09% | +30,967+3.0% | Added |
| Goldman Sachs Group Inc | 789,535 | $491.6M | 0.07% | −28,570−3.5% | Reduced |
| Invesco Ltd. | 769,904 | $479.4M | 0.05% | +65,623+9.3% | Added |
| Alkeon Capital Management LLC | 747,351 | $465.3M | 2.03% | 00.0% | Unchanged |
| Gardner Russo & Quinn LLCSuperinvestorGardner Russo & Quinn | 726,612 | $452.4M | 4.88% | +39,075+5.7% | Added |
| King Luther Capital Management Corp | 690,128 | $429.7M | 1.75% | +5,025+0.7% | Added |
| Northern Trust Corp | 599,660 | $373.4M | 0.05% | −2,424−0.4% | Reduced |
| Norges Bank | 569,623 | $354.7M | 0.04% | +569,623 | New |
| Dimensional Fund Advisors LP | 540,406 | $336.5M | 0.07% | −80.0% | Reduced |
| Franklin Resources Inc | 498,333 | $310.3M | 0.08% | −7,733−1.5% | Reduced |
| CIBC Private Wealth Group, LLC | 475,138 | $295.8M | 0.50% | −6,799−1.4% | Reduced |
| Charles Schwab Investment Management Inc | 448,884 | $279.5M | 0.04% | +12,531+2.9% | Added |
| Diamond Hill Capital Management Inc | 446,526 | $278.0M | 1.42% | −135,409−23.3% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 421,892 | $262.7M | 0.39% | +10,410+2.5% | Added |
| Rathbone Brothers plc | 396,402 | $246.8M | 0.49% | +194,326+96.2% | Added |
| Bank of New York Mellon Corp | 370,879 | $230.9M | 0.04% | −19,143−4.9% | Reduced |
| Davenport & Co LLC | 348,428 | $218.0M | 1.18% | −7,808−2.2% | Reduced |
| Raymond James Financial Inc | 325,788 | $204.4M | 0.06% | −26,506−7.5% | Reduced |
| Eagle Capital Management LLC | 320,754 | $199.7M | 0.62% | −7,893−2.4% | Reduced |
| Price T Rowe Associates Inc | 303,031 | $188.7M | 0.02% | +214,270+241.4% | Added |
| UBS Asset Management Americas Inc | 297,401 | $185.2M | 0.04% | +1,326+0.4% | Added |
| Skye Global Management LP | 274,000 | $170.6M | 3.45% | +2,000+0.7% | Added |
| Legal & General Group Plc | 271,303 | $168.9M | 0.04% | −3,658−1.3% | Reduced |
| Deutsche Bank AG | 270,923 | $168.7M | 0.05% | +48,189+21.6% | Added |
| William Blair Investment Management, LLC | 270,203 | $168.2M | 0.47% | −7,153−2.6% | Reduced |
| Mawer Investment Management Ltd. | 264,946 | $165.0M | 0.92% | −14,450−5.2% | Reduced |
| Clearbridge Investments, LLC | 244,152 | $152.0M | 0.12% | −8,718−3.4% | Reduced |
| Wells Fargo & Company | 241,563 | $150.4M | 0.03% | +84,142+53.5% | Added |
| Congress Asset Management Co | 239,634 | $149.2M | 1.05% | −4,866−2.0% | Reduced |
| UBS Group AG | 234,329 | $145.9M | 0.03% | −98,565−29.6% | Reduced |
| Douglass Winthrop Advisors, LLC | 223,632 | $139.2M | 2.43% | −8,602−3.7% | Reduced |
| HSBC Holdings PLC | 209,868 | $130.9M | 0.04% | +87,605+71.7% | Added |
| Interval Partners, LP | 207,170 | $129.0M | 3.02% | +207,170 | New |
| Amundi | 206,119 | $128.3M | 0.03% | +71,573+53.2% | Added |
| Hawk Ridge Capital Management LP | 194,455 | $121.1M | 5.59% | +13,480+7.4% | Added |
| DekaBank Deutsche Girozentrale | 177,524 | $117.2M | 0.20% | 00.0% | Unchanged |
| Great Lakes Advisors, LLC | 183,100 | $114.0M | 0.93% | −1,360−0.7% | Reduced |
| Findlay Park Partners LLP | 180,782 | $112.6M | 1.44% | −36,260−16.7% | Reduced |
| Balyasny Asset Management LLC | 175,911 | $109.5M | 0.21% | +127,492+263.3% | Added |
| Nomura Asset Management International Inc. | 173,815 | $108.2M | 0.16% | +173,815 | New |
| London Co of Virginia | 170,480 | $106.2M | 0.61% | −3,624−2.1% | Reduced |
| Swiss National Bank | 165,230 | $102.9M | 0.06% | −8,540−4.9% | Reduced |
| Fred Alger Management, LLC | 162,310 | $101.1M | 0.40% | −11,771−6.8% | Reduced |
| Envestnet Asset Management Inc | 159,550 | $99.3M | 0.03% | −22,798−12.5% | Reduced |
| Royal Bank of Canada | 159,280 | $99.2M | 0.02% | −556−0.3% | Reduced |
| Freestone Grove Partners LP | 151,872 | $94.6M | 0.68% | +26,909+21.5% | Added |
| McDonald Capital Investors Inc | 151,638 | $94.4M | 5.79% | −5,900−3.7% | Reduced |
| SEI Investments Co | 151,114 | $94.1M | 0.09% | −8,811−5.5% | Reduced |
| Nuveen, LLC | 147,529 | $91.9M | 0.02% | −4,546−3.0% | Reduced |
| Arrowstreet Capital, Limited Partnership | 138,034 | $85.9M | 0.05% | +109,285+380.1% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 134,696 | $83.9M | 0.05% | −5,927−4.2% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 126,524 | $80.3M | 0.05% | +5,227+4.3% | Added |
| Barclays PLC | 127,170 | $79.2M | 0.03% | −24,737−16.3% | Reduced |
| Silvercrest Asset Management Group LLC | 123,268 | $76.8M | 0.53% | −6,979−5.4% | Reduced |
| Ameriprise Financial Inc | 120,968 | $75.3M | 0.02% | −11,142−8.4% | Reduced |
| Steginsky Capital LLC | 119,635 | $74.5M | 12.55% | −180.0% | Reduced |
| Federated Hermes, Inc. | 118,838 | $74.0M | 0.12% | +24,368+25.8% | Added |
| BNP Paribas Arbitrage, SA | 117,749 | $73.3M | 0.05% | −123−0.1% | Reduced |
| American Century Companies Inc | 114,048 | $71.0M | 0.04% | −4,649−3.9% | Reduced |
| Camrose Capital Investment Partners LLP | 113,634 | $70.8M | 11.72% | +18,015+18.8% | Added |
| Progeny 3, Inc. | 113,150 | $70.5M | 3.79% | 00.0% | Unchanged |
| Rhumbline Advisers | 111,520 | $69.4M | 0.06% | −3,014−2.6% | Reduced |
| California Public Employees Retirement System | 108,939 | $67.8M | 0.04% | +8,508+8.5% | Added |
| Natixis Advisors, L.P. | 103,162 | $64.2M | 0.09% | +1,722+1.7% | Added |
| RDST Capital LLC | 101,500 | $63.2M | 5.95% | −10,075−9.0% | Reduced |
| AQR Capital Management LLC | 99,779 | $62.1M | 0.03% | +9,531+10.6% | Added |
| CI Private Wealth, LLC | 95,719 | $59.5M | 0.04% | +22,013+29.9% | Added |
| TD Asset Management Inc | 92,516 | $57.6M | 0.05% | −10,683−10.4% | Reduced |
| M.D. Sass Investors Services, Inc. | 91,204 | $56.8M | 4.48% | −6,031−6.2% | Reduced |
| TimesSquare Capital Management, LLC | 91,094 | $56.7M | 0.85% | −4,610−4.8% | Reduced |
| Citigroup Inc | 89,962 | $56.0M | 0.04% | −35,157−28.1% | Reduced |
| Fenimore Asset Management Inc | 89,928 | $56.0M | 1.17% | +271+0.3% | Added |
| Millennium Management LLC | 89,693 | $55.8M | 0.04% | −18,474−17.1% | Reduced |
| Russell Investments Group, Ltd. | 89,466 | $55.7M | 0.06% | +3,587+4.2% | Added |
| Glenmede Trust Co NA | 89,030 | $55.4M | 0.26% | +89,030 | New |
| Citadel Advisors LLC | 88,934 | $55.4M | 0.04% | +76,206+598.7% | Added |
| National Pension Service | 88,607 | $55.2M | 0.04% | +3,787+4.5% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 87,786 | $54.7M | 0.13% | −17,451−16.6% | Reduced |
| Lazard Freres Gestion S.A.S. | 81,029 | $50.5M | 0.91% | +27,839+52.3% | Added |
| Border to Coast Pensions Partnership Ltd | 80,587 | $50.3M | 0.88% | 00.0% | Unchanged |
| Gilder Gagnon Howe & Co LLC | 78,553 | $48.9M | 0.52% | +107+0.1% | Added |
| Nitorum Capital, L.P. | 73,185 | $45.6M | 10.07% | −6,350−8.0% | Reduced |
| California State Teachers Retirement System | 71,855 | $44.7M | 0.04% | −695−1.0% | Reduced |
| Alliancebernstein L.P. | 71,434 | $44.5M | 0.01% | −3,281−4.4% | Reduced |
| One Madison Group LLC | 65,000 | $40.5M | 4.67% | +61,000+1,525.0% | Added |
| Heritage Investors Management Corp | 63,777 | $39.7M | 1.16% | −549−0.9% | Reduced |
| Ofi Invest Asset Management | 74,709 | $39.6M | 0.57% | +18,952+34.0% | Added |