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
- 1,117
- +83 vs. Q3 2025
- Shares held
- 59.6M
- +1.51M (+2.6%) vs. Q3 2025
- Total value
- $37.1B
- +$525.1M (+1.4%) vs. Q3 2025
- New holders
- 155
- 362 more added
- Sold out
- 72
- 352 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 | $34.3B |
| Q4 2025 | 1,117 | $37.1B |
| Q3 2025 | 1,053 | $36.7B |
| Q2 2025 | 999 | $32.8B |
| Q1 2025 | 953 | $28.5B |
| Q4 2024 | 992 | $30.5B |
| Q3 2024 | 948 | $32.4B |
| Q2 2024 | 940 | $32.3B |
| Q1 2024 | 957 | $36.4B |
| Q4 2023 | 889 | $29.3B |
| Q3 2023 | 815 | $24.1B |
| Q2 2023 | 804 | $27.0B |
| Q1 2023 | 746 | $20.7B |
| Q4 2022 | 768 | $19.7B |
| Q3 2022 | 736 | $18.8B |
| Q2 2022 | 728 | $17.5B |
| Q1 2022 | 763 | $22.7B |
| Q4 2021 | 775 | $25.6B |
| Q3 2021 | 700 | $19.7B |
| Q2 2021 | 696 | $20.3B |
| Q1 2021 | 692 | $19.4B |
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 |
|---|---|---|---|---|---|
| CI Private Wealth, LLC | 47,080 | $29.5M | 0.04% | −26,626−36.1% | Reduced |
| Stifel Financial Corp | 47,629 | $29.7M | 0.03% | −2,651−5.3% | Reduced |
| Walleye Capital LLC | 49,228 | $30.7M | 0.17% | +48,829+12,237.8% | Added |
| STRS Ohio | 49,736 | $31.0M | 0.12% | +3,602+7.8% | Added |
| Aviva PLC | 50,571 | $31.5M | 0.05% | +2,604+5.4% | Added |
| Harvey Partners, LLC | 51,135 | $31.8M | 2.86% | +35+0.1% | Added |
| Stephens Inc | 51,326 | $32.0M | 0.40% | +5,150+11.2% | Added |
| Spears Abacus Advisors LLC | 52,708 | $32.8M | 0.61% | +39,324+293.8% | Added |
| Gateway Investment Advisers LLC | 53,779 | $33.5M | 0.31% | +193+0.4% | Added |
| Tran Capital Management, L.P. | 54,153 | $33.7M | 4.04% | +619+1.2% | Added |
| State Board of Administration of Florida Retirement System | 55,344 | $34.5M | 0.06% | −2,186−3.8% | Reduced |
| Janus Henderson Group PLC | 56,626 | $35.3M | 0.02% | +526+0.9% | Added |
| Fisher Funds Management LTD | 57,950 | $36.3M | 0.94% | −10,861−15.8% | Reduced |
| FIL Ltd | 59,582 | $37.1M | 0.03% | +12,250+25.9% | Added |
| Confluence Investment Management LLC | 59,658 | $37.1M | 0.56% | −1,733−2.8% | Reduced |
| HighTower Advisors, LLC | 59,965 | $37.3M | 0.04% | +574+1.0% | Added |
| Prudential Financial Inc | 61,073 | $38.0M | 0.05% | −11,820−16.2% | Reduced |
| Advisor Group Holdings, Inc. | 62,256 | $38.8M | 0.06% | −2,151−3.3% | Reduced |
| Ofi Invest Asset Management | 74,709 | $39.6M | 0.57% | +18,952+34.0% | Added |
| Heritage Investors Management Corp | 63,777 | $39.7M | 1.16% | −549−0.9% | Reduced |
| One Madison Group LLC | 65,000 | $40.5M | 4.67% | +61,000+1,525.0% | Added |
| Alliancebernstein L.P. | 71,434 | $44.5M | 0.01% | −3,281−4.4% | Reduced |
| California State Teachers Retirement System | 71,855 | $44.7M | 0.04% | −695−1.0% | Reduced |
| Nitorum Capital, L.P. | 73,185 | $45.6M | 10.07% | −6,350−8.0% | Reduced |
| Gilder Gagnon Howe & Co LLC | 78,553 | $48.9M | 0.52% | +107+0.1% | Added |
| Border to Coast Pensions Partnership Ltd | 80,587 | $50.3M | 0.88% | 00.0% | Unchanged |
| Lazard Freres Gestion S.A.S. | 81,029 | $50.5M | 0.91% | +27,839+52.3% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 87,786 | $54.7M | 0.13% | −17,451−16.6% | Reduced |
| National Pension Service | 88,607 | $55.2M | 0.04% | +3,787+4.5% | Added |
| Citadel Advisors LLC | 88,934 | $55.4M | 0.04% | +76,206+598.7% | Added |
| Glenmede Trust Co NA | 89,030 | $55.4M | 0.26% | +89,030 | New |
| Russell Investments Group, Ltd. | 89,466 | $55.7M | 0.06% | +3,587+4.2% | Added |
| Millennium Management LLC | 89,693 | $55.8M | 0.04% | −18,474−17.1% | Reduced |
| Fenimore Asset Management Inc | 89,928 | $56.0M | 1.17% | +271+0.3% | Added |
| Citigroup Inc | 89,962 | $56.0M | 0.04% | −35,157−28.1% | Reduced |
| TimesSquare Capital Management, LLC | 91,094 | $56.7M | 0.85% | −4,610−4.8% | Reduced |
| M.D. Sass Investors Services, Inc. | 91,204 | $56.8M | 4.48% | −6,031−6.2% | Reduced |
| TD Asset Management Inc | 92,516 | $57.6M | 0.05% | −10,683−10.4% | Reduced |
| AQR Capital Management LLC | 99,779 | $62.1M | 0.03% | +9,531+10.6% | Added |
| RDST Capital LLC | 101,500 | $63.2M | 5.95% | −10,075−9.0% | Reduced |
| Natixis Advisors, L.P. | 103,162 | $64.2M | 0.09% | +1,722+1.7% | Added |
| HSBC Holdings PLC | 104,934 | $65.5M | 0.04% | −17,329−14.2% | Reduced |
| California Public Employees Retirement System | 108,939 | $67.8M | 0.04% | +8,508+8.5% | Added |
| Rhumbline Advisers | 111,520 | $69.4M | 0.06% | −3,014−2.6% | Reduced |
| Progeny 3, Inc. | 113,150 | $70.5M | 3.79% | 00.0% | Unchanged |
| Camrose Capital Investment Partners LLP | 113,634 | $70.8M | 11.72% | +18,015+18.8% | Added |
| American Century Companies Inc | 114,048 | $71.0M | 0.04% | −4,649−3.9% | Reduced |
| BNP Paribas Arbitrage, SA | 117,749 | $73.3M | 0.05% | −123−0.1% | Reduced |
| Federated Hermes, Inc. | 118,838 | $74.0M | 0.12% | +24,368+25.8% | Added |
| Steginsky Capital LLC | 119,635 | $74.5M | 12.55% | −180.0% | Reduced |
| Ameriprise Financial Inc | 120,968 | $75.3M | 0.02% | −11,142−8.4% | Reduced |
| Silvercrest Asset Management Group LLC | 123,268 | $76.8M | 0.53% | −6,979−5.4% | Reduced |
| Barclays PLC | 127,170 | $79.2M | 0.03% | −24,737−16.3% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 126,524 | $80.3M | 0.05% | +5,227+4.3% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 134,696 | $83.9M | 0.05% | −5,927−4.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 138,034 | $85.9M | 0.05% | +109,285+380.1% | Added |
| Nuveen, LLC | 147,529 | $91.9M | 0.02% | −4,546−3.0% | Reduced |
| SEI Investments Co | 151,114 | $94.1M | 0.09% | −8,811−5.5% | Reduced |
| McDonald Capital Investors Inc | 151,638 | $94.4M | 5.79% | −5,900−3.7% | Reduced |
| Freestone Grove Partners LP | 151,872 | $94.6M | 0.68% | +26,909+21.5% | Added |
| Royal Bank of Canada | 159,280 | $99.2M | 0.02% | −556−0.3% | Reduced |
| Envestnet Asset Management Inc | 159,550 | $99.3M | 0.03% | −22,798−12.5% | Reduced |
| Fred Alger Management, LLC | 162,310 | $101.1M | 0.40% | −11,771−6.8% | Reduced |
| Swiss National Bank | 165,230 | $102.9M | 0.06% | −8,540−4.9% | Reduced |
| London Co of Virginia | 170,480 | $106.2M | 0.61% | −3,624−2.1% | Reduced |
| Nomura Asset Management International Inc. | 173,815 | $108.2M | 0.16% | +173,815 | New |
| Balyasny Asset Management LLC | 175,911 | $109.5M | 0.21% | +127,492+263.3% | Added |
| Findlay Park Partners LLP | 180,782 | $112.6M | 1.44% | −36,260−16.7% | Reduced |
| Great Lakes Advisors, LLC | 183,100 | $114.0M | 0.93% | −1,360−0.7% | Reduced |
| DekaBank Deutsche Girozentrale | 177,524 | $117.2M | 0.22% | 00.0% | Unchanged |
| Hawk Ridge Capital Management LP | 194,455 | $121.1M | 5.59% | +13,480+7.4% | Added |
| Rathbone Brothers plc | 198,201 | $123.4M | 0.48% | −3,875−1.9% | Reduced |
| Amundi | 206,119 | $128.3M | 0.03% | +71,573+53.2% | Added |
| Interval Partners, LP | 207,170 | $129.0M | 3.02% | +207,170 | New |
| Douglass Winthrop Advisors, LLC | 223,632 | $139.2M | 2.43% | −8,602−3.7% | Reduced |
| UBS Group AG | 234,329 | $145.9M | 0.03% | −98,565−29.6% | Reduced |
| Congress Asset Management Co | 239,634 | $149.2M | 1.05% | −4,866−2.0% | Reduced |
| Wells Fargo & Company | 241,563 | $150.4M | 0.03% | +84,142+53.5% | Added |
| Clearbridge Investments, LLC | 244,152 | $152.0M | 0.12% | −8,718−3.4% | Reduced |
| Mawer Investment Management Ltd. | 264,946 | $165.0M | 0.92% | −14,450−5.2% | Reduced |
| William Blair Investment Management, LLC | 270,203 | $168.2M | 0.47% | −7,153−2.6% | Reduced |
| Deutsche Bank AG | 270,923 | $168.7M | 0.05% | +48,189+21.6% | Added |
| Legal & General Group Plc | 271,303 | $168.9M | 0.04% | −3,658−1.3% | Reduced |
| Skye Global Management LP | 274,000 | $170.6M | 3.45% | +2,000+0.7% | Added |
| UBS Asset Management Americas Inc | 297,401 | $185.2M | 0.04% | +1,326+0.4% | Added |
| Price T Rowe Associates Inc | 303,031 | $188.7M | 0.02% | +214,270+241.4% | Added |
| Eagle Capital Management LLC | 320,754 | $199.7M | 0.62% | −7,893−2.4% | Reduced |
| Raymond James Financial Inc | 325,788 | $204.4M | 0.06% | −26,506−7.5% | Reduced |
| Davenport & Co LLC | 348,428 | $218.0M | 1.18% | −7,808−2.2% | Reduced |
| Bank of New York Mellon Corp | 370,879 | $230.9M | 0.04% | −19,143−4.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 421,892 | $262.7M | 0.39% | +10,410+2.5% | Added |
| Diamond Hill Capital Management Inc | 446,526 | $278.0M | 1.42% | −135,409−23.3% | Reduced |
| Charles Schwab Investment Management Inc | 448,884 | $279.5M | 0.04% | +12,531+2.9% | Added |
| CIBC Private Wealth Group, LLC | 475,138 | $295.8M | 0.50% | −6,799−1.4% | Reduced |
| Franklin Resources Inc | 498,333 | $310.3M | 0.08% | −7,733−1.5% | Reduced |
| Dimensional Fund Advisors LP | 540,406 | $336.5M | 0.07% | −80.0% | Reduced |
| Norges Bank | 569,623 | $354.7M | 0.04% | +569,623 | New |
| Northern Trust Corp | 599,660 | $373.4M | 0.05% | −2,424−0.4% | Reduced |
| King Luther Capital Management Corp | 690,128 | $429.7M | 1.75% | +5,025+0.7% | Added |
| Gardner Russo & Quinn LLCSuperinvestorGardner Russo & Quinn | 726,612 | $452.4M | 4.88% | +39,075+5.7% | Added |