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, Q3 2025
Institutional positions in Martin Marietta Materials Inc as of Sep 30, 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
- 1,053
- +67 vs. Q2 2025
- Shares held
- 61.2M
- +1.42M (+2.4%) vs. Q2 2025
- Total value
- $38.5B
- +$5.73B (+17.5%) vs. Q2 2025
- New holders
- 132
- 368 more added
- Sold out
- 65
- 342 more reduced
13 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 7,442,945 | $4.69B | 0.07% | +93,595+1.3% | Added |
| JPMorgan Chase & Co | 5,869,566 | $3.70B | 0.12% | +2,914,427+98.6% | Added |
| BlackRock, Inc. | 4,152,008 | $2.62B | 0.05% | −75,800−1.8% | Reduced |
| FMR LLC | 2,879,547 | $1.81B | 0.09% | −130,615−4.3% | Reduced |
| State Street Corp | 2,797,277 | $1.76B | 0.06% | −28,048−1.0% | Reduced |
| Bank of America Corp | 2,365,832 | $1.49B | 0.11% | +25,155+1.1% | Added |
| Principal Financial Group Inc | 2,204,425 | $1.39B | 0.70% | +192,637+9.6% | Added |
| Aristotle Capital Management, LLC | 2,154,127 | $1.36B | 2.62% | −121,412−5.3% | Reduced |
| Victory Capital Management Inc | 1,612,808 | $1.02B | 0.59% | −30,995−1.9% | Reduced |
| Geode Capital Management, LLC | 1,542,621 | $968.2M | 0.06% | +21,689+1.4% | Added |
| Morgan Stanley | 1,298,634 | $818.5M | 0.05% | +17,843+1.4% | Added |
| Baillie Gifford & Co | 1,195,794 | $753.7M | 0.56% | −35,149−2.9% | Reduced |
| T. Rowe Price Investment Management, Inc. | 1,053,662 | $664.1M | 0.41% | −87,782−7.7% | Reduced |
| Select Equity Group, L.P. | 1,036,563 | $653.3M | 2.79% | −146,704−12.4% | Reduced |
| Goldman Sachs Group Inc | 818,105 | $515.6M | 0.07% | −14,590−1.8% | Reduced |
| Alkeon Capital Management LLC | 747,351 | $471.0M | 2.13% | −55,000−6.9% | Reduced |
| Invesco Ltd. | 704,281 | $443.9M | 0.07% | −8,176−1.1% | Reduced |
| Gardner Russo & Quinn LLCSuperinvestorGardner Russo & Quinn | 687,537 | $433.3M | 4.65% | −25,242−3.5% | Reduced |
| King Luther Capital Management Corp | 685,103 | $431.8M | 1.78% | −5,801−0.8% | Reduced |
| Northern Trust Corp | 602,084 | $379.5M | 0.05% | −12,351−2.0% | Reduced |
| Diamond Hill Capital Management Inc | 581,935 | $366.8M | 1.74% | −60,052−9.4% | Reduced |
| Dimensional Fund Advisors LP | 540,414 | $340.5M | 0.07% | −35,907−6.2% | Reduced |
| Franklin Resources Inc | 506,066 | $319.0M | 0.08% | −21,902−4.1% | Reduced |
| CIBC Private Wealth Group, LLC | 481,937 | $303.8M | 0.52% | −214,951−30.8% | Reduced |
| Charles Schwab Investment Management Inc | 436,353 | $275.0M | 0.04% | +15,197+3.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 411,482 | $259.3M | 0.41% | +5,038+1.2% | Added |
| Bank of New York Mellon Corp | 390,022 | $245.8M | 0.04% | −4,337−1.1% | Reduced |
| Davenport & Co LLC | 356,236 | $223.4M | 1.20% | −2,406−0.7% | Reduced |
| Raymond James Financial Inc | 352,294 | $222.0M | 0.07% | +4,071+1.2% | Added |
| UBS Group AG | 332,894 | $209.8M | 0.04% | −31,011−8.5% | Reduced |
| Eagle Capital Management LLC | 328,647 | $207.1M | 0.66% | −4,549−1.4% | Reduced |
| UBS Asset Management Americas Inc | 296,075 | $186.6M | 0.04% | −81,820−21.7% | Reduced |
| Mawer Investment Management Ltd. | 279,396 | $176.1M | 0.91% | −7,324−2.6% | Reduced |
| William Blair Investment Management, LLC | 277,356 | $174.8M | 0.45% | −9,359−3.3% | Reduced |
| Legal & General Group Plc | 274,961 | $173.3M | 0.04% | +380+0.1% | Added |
| Skye Global Management LP | 272,000 | $171.4M | 3.45% | −14,500−5.1% | Reduced |
| Clearbridge Investments, LLC | 252,870 | $159.4M | 0.12% | −7,317−2.8% | Reduced |
| Congress Asset Management Co | 244,500 | $154.1M | 1.03% | −1,786−0.7% | Reduced |
| Douglass Winthrop Advisors, LLC | 232,234 | $146.4M | 2.55% | +1,939+0.8% | Added |
| Deutsche Bank AG | 222,734 | $140.4M | 0.05% | +6,677+3.1% | Added |
| Findlay Park Partners LLP | 217,042 | $136.8M | 1.44% | −3,800−1.7% | Reduced |
| Rathbone Brothers plc | 202,076 | $127.4M | 0.52% | −100.0% | Reduced |
| Macquarie Group Ltd | 201,873 | $127.2M | 0.15% | −25,203−11.1% | Reduced |
| Great Lakes Advisors, LLC | 184,460 | $116.3M | 0.97% | −471−0.3% | Reduced |
| Envestnet Asset Management Inc | 182,348 | $114.9M | 0.03% | +1,233+0.7% | Added |
| Hawk Ridge Capital Management LP | 180,975 | $114.1M | 5.44% | −10,600−5.5% | Reduced |
| DekaBank Deutsche Girozentrale | 177,524 | $110.1M | 0.19% | 00.0% | Unchanged |
| London Co of Virginia | 174,104 | $109.7M | 0.61% | −10,930−5.9% | Reduced |
| Fred Alger Management, LLC | 174,081 | $109.7M | 0.43% | −9,275−5.1% | Reduced |
| Swiss National Bank | 173,770 | $109.5M | 0.06% | −10,800−5.9% | Reduced |
| SEI Investments Co | 159,925 | $100.8M | 0.11% | −236−0.1% | Reduced |
| Royal Bank of Canada | 159,836 | $100.7M | 0.02% | −168,212−51.3% | Reduced |
| McDonald Capital Investors Inc | 157,538 | $99.3M | 6.17% | −4,033−2.5% | Reduced |
| Wells Fargo & Company | 157,421 | $99.2M | 0.02% | +13,404+9.3% | Added |
| Nuveen, LLC | 152,075 | $95.8M | 0.03% | −7,885−4.9% | Reduced |
| Barclays PLC | 151,907 | $95.7M | 0.04% | −46,727−23.5% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 140,623 | $88.6M | 0.05% | +1,432+1.0% | Added |
| Amundi | 134,546 | $85.6M | 0.03% | +18,782+16.2% | Added |
| Ameriprise Financial Inc | 132,110 | $83.3M | 0.02% | −2,792−2.1% | Reduced |
| Silvercrest Asset Management Group LLC | 130,247 | $82.1M | 0.54% | −5,837−4.3% | Reduced |
| Citigroup Inc | 125,119 | $78.9M | 0.05% | +31,463+33.6% | Added |
| Freestone Grove Partners LP | 124,963 | $78.8M | 0.59% | +110,236+748.5% | Added |
| HSBC Holdings PLC | 122,263 | $76.9M | 0.05% | −691−0.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 121,297 | $76.5M | 0.06% | +6,209+5.4% | Added |
| Steginsky Capital LLC | 119,653 | $75.4M | 13.85% | +891+0.8% | Added |
| American Century Companies Inc | 118,697 | $74.8M | 0.04% | −28,169−19.2% | Reduced |
| BNP Paribas Arbitrage, SA | 117,872 | $74.3M | 0.06% | +69,016+141.3% | Added |
| Rhumbline Advisers | 114,534 | $72.2M | 0.06% | −290−0.3% | Reduced |
| Progeny 3, Inc. | 113,150 | $71.3M | 3.68% | 00.0% | Unchanged |
| RDST Capital LLC | 111,575 | $70.3M | 6.62% | +6,035+5.7% | Added |
| Millennium Management LLC | 108,167 | $68.2M | 0.05% | +98,024+966.4% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 105,237 | $66.3M | 0.15% | −17,715−14.4% | Reduced |
| TD Asset Management Inc | 103,199 | $65.0M | 0.05% | −8,469−7.6% | Reduced |
| Natixis Advisors, L.P. | 101,440 | $63.9M | 0.09% | +639+0.6% | Added |
| California Public Employees Retirement System | 100,431 | $63.3M | 0.04% | +24,730+32.7% | Added |
| Two Sigma Investments, LP | 98,156 | $61.9M | 0.09% | −119,186−54.8% | Reduced |
| M.D. Sass Investors Services, Inc. | 97,235 | $61.3M | 5.00% | −25,797−21.0% | Reduced |
| TimesSquare Capital Management, LLC | 95,704 | $60.3M | 0.86% | −11,741−10.9% | Reduced |
| Camrose Capital Investment Partners LLP | 95,619 | $60.3M | 13.99% | +9,514+11.0% | Added |
| Federated Hermes, Inc. | 94,470 | $59.5M | 0.11% | +3,732+4.1% | Added |
| Glenmede Investment Management, LP | 90,925 | $57.3M | 0.28% | −526−0.6% | Reduced |
| AQR Capital Management LLC | 90,248 | $56.7M | 0.04% | +23,646+35.5% | Added |
| Fenimore Asset Management Inc | 89,657 | $56.5M | 1.13% | +807+0.9% | Added |
| Price T Rowe Associates Inc | 88,761 | $55.9M | 0.01% | −25,766−22.5% | Reduced |
| Russell Investments Group, Ltd. | 85,879 | $54.1M | 0.06% | +1,236+1.5% | Added |
| National Pension Service | 84,820 | $53.5M | 0.04% | +843+1.0% | Added |
| Border to Coast Pensions Partnership Ltd | 80,587 | $50.8M | 0.88% | +3,721+4.8% | Added |
| Nitorum Capital, L.P. | 79,535 | $50.1M | 8.81% | −11,256−12.4% | Reduced |
| Gilder Gagnon Howe & Co LLC | 78,446 | $49.4M | 0.50% | −1,129−1.4% | Reduced |
| Alliancebernstein L.P. | 74,715 | $47.1M | 0.01% | +7,277+10.8% | Added |
| CI Private Wealth, LLC | 73,706 | $46.5M | 0.07% | +2,296+3.2% | Added |
| Prudential Financial Inc | 72,893 | $45.9M | 0.05% | +31,294+75.2% | Added |
| California State Teachers Retirement System | 72,550 | $45.7M | 0.05% | −308−0.4% | Reduced |
| Fisher Funds Management LTD | 68,811 | $43.4M | 1.15% | +18,915+37.9% | Added |
| Atika Capital Management LLC | 68,483 | $43.2M | 3.68% | −4,050−5.6% | Reduced |
| Man Group plc | 68,135 | $42.9M | 0.08% | +21,760+46.9% | Added |
| Advisor Group Holdings, Inc. | 64,407 | $40.5M | 0.06% | +56,448+709.2% | Added |
| Heritage Investors Management Corp | 64,326 | $40.5M | 1.21% | −1,320−2.0% | Reduced |
| Confluence Investment Management LLC | 61,391 | $38.7M | 0.55% | −1,067−1.7% | Reduced |
| M&G Plc | 60,657 | $38.2M | 0.20% | −3,049−4.8% | Reduced |