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 2026
Institutional positions in Martin Marietta Materials Inc as of Jun 30, 2026. 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
- 1,079
- +13 vs. Q1 2026
- Shares held
- 59.2M
- +954.3K (+1.6%) vs. Q1 2026
- Total value
- $34.2B
- −$107.1M (−0.3%) vs. Q1 2026
- New holders
- 110
- 363 more added
- Sold out
- 97
- 395 more reduced
11 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Princeton Capital Management LLC | 2,003 | $1.16M | 0.26% | +250+14.3% | Added |
| Hunter Associates Investment Management LLC | 2,009 | $1.16M | 0.13% | −328−14.0% | Reduced |
| PEAK6 LLC | 2,011 | $1.16M | 0.03% | +2,009+100,450.0% | Added |
| Smartleaf Asset Management LLC | 2,003 | $1.16M | 0.04% | 00.0% | Unchanged |
| Intech Investment Management LLC | 2,048 | $1.18M | 0.01% | 00.0% | Unchanged |
| E. Ohman J:or Asset Management AB | 2,060 | $1.19M | 0.03% | 00.0% | Unchanged |
| Massachusetts Financial Services Co | 2,062 | $1.19M | 0.00% | −36−1.7% | Reduced |
| Tema ETFs LLC | 2,086 | $1.20M | 0.04% | −190−8.3% | Reduced |
| CAPROCK Group, Inc. | 2,166 | $1.25M | 0.02% | −400−15.6% | Reduced |
| Coldstream Capital Management Inc | 2,173 | $1.25M | 0.02% | −539−19.9% | Reduced |
| Stablepoint Partners, LLC | 2,186 | $1.26M | 0.17% | −17−0.8% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 2,188 | $1.26M | 0.01% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 2,192 | $1.26M | 0.01% | +1,275+139.0% | Added |
| Empirical Finance, LLC | 2,199 | $1.27M | 0.05% | +70+3.3% | Added |
| Pinnacle Financial Partners, Inc. | 2,202 | $1.27M | 0.01% | −30−1.3% | Reduced |
| Meeder Advisory Services, Inc. | 2,249 | $1.30M | 0.05% | −58−2.5% | Reduced |
| Hudson Value Partners, LLC | 2,270 | $1.31M | 0.33% | −5−0.2% | Reduced |
| Tokio Marine Asset Management Co Ltd | 2,272 | $1.31M | 0.04% | 00.0% | Unchanged |
| Simmons Bank | 2,282 | $1.32M | 0.08% | +20+0.9% | Added |
| Hantz Financial Services, Inc. | 2,325 | $1.34M | 0.02% | −755−24.5% | Reduced |
| Gilbert & Cook, Inc. | 2,337 | $1.35M | 0.16% | +208+9.8% | Added |
| MUFG Securities EMEA plc | 2,350 | $1.36M | 0.01% | −125−5.1% | Reduced |
| United Capital Financial Advisers, LLC | 2,360 | $1.36M | 0.01% | +397+20.2% | Added |
| Aptus Capital Advisors, LLC | 2,374 | $1.37M | 0.01% | −29−1.2% | Reduced |
| Portfolio Design Labs, LLC | 2,375 | $1.37M | 0.22% | +52+2.2% | Added |
| Brown Financial Advisors | 2,383 | $1.37M | 0.48% | +290+13.9% | Added |
| Argent Trust Co | 2,385 | $1.38M | 0.04% | −103−4.1% | Reduced |
| Brandywine Trust Co | 2,400 | $1.38M | 0.22% | 00.0% | Unchanged |
| Ascent Group, LLC | 2,400 | $1.38M | 0.04% | +91+3.9% | Added |
| Capital Investment Counsel, Inc | 2,406 | $1.39M | 0.15% | 00.0% | Unchanged |
| Accretive Wealth Partners, LLC | 2,408 | $1.39M | 0.34% | −107−4.3% | Reduced |
| Little House Capital LLC | 2,450 | $1.41M | 0.32% | +5+0.2% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 2,494 | $1.44M | 0.03% | −181−6.8% | Reduced |
| GWM Advisors LLC | 2,510 | $1.45M | 0.00% | −992−28.3% | Reduced |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 2,512 | $1.45M | 0.48% | −15−0.6% | Reduced |
| InTrack Investment Management Inc | 2,516 | $1.45M | 0.72% | +67+2.7% | Added |
| Alpha Omega Wealth Management LLC | 2,604 | $1.50M | 0.23% | 00.0% | Unchanged |
| Marnell Management LLC | 2,651 | $1.53M | 0.78% | +1,160+77.8% | Added |
| Reuter James Wealth Management, LLC | 2,660 | $1.53M | 0.20% | −15−0.6% | Reduced |
| Keybank National Association | 2,680 | $1.55M | 0.01% | +92+3.6% | Added |
| Bartlett & Co. Wealth Management LLC | 2,681 | $1.55M | 0.02% | +2+0.1% | Added |
| Madden Securities Corp | 2,685 | $1.55M | 0.43% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 2,689 | $1.55M | 0.04% | +452+20.2% | Added |
| Tudor Investment Corp Et Al | 2,694 | $1.55M | 0.01% | +45+1.7% | Added |
| Vident Advisory, LLC | 2,710 | $1.56M | 0.01% | −5,461−66.8% | Reduced |
| Apollon Wealth Management, LLC | 2,781 | $1.60M | 0.02% | −223−7.4% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 2,785 | $1.61M | 0.00% | −6,192−69.0% | Reduced |
| Fiduciary Trust Co | 2,847 | $1.64M | 0.02% | +12+0.4% | Added |
| Squarepoint Ops LLC | 2,857 | $1.65M | 0.00% | +1,254+78.2% | Added |
| Valeo Financial Advisors, LLC | 2,899 | $1.67M | 0.04% | +495+20.6% | Added |
| GAMMA Investing LLC | 2,916 | $1.68M | 0.06% | +376+14.8% | Added |
| Lederer & Associates Investment Counsel | 2,930 | $1.69M | 1.11% | −10.0% | Reduced |
| Montag A & Associates Inc | 2,941 | $1.70M | 0.07% | −128−4.2% | Reduced |
| Callan Family Office, LLC | 2,981 | $1.72M | 0.03% | +7+0.2% | Added |
| Summit Trail Advisors, LLC | 2,993 | $1.73M | 0.02% | +124+4.3% | Added |
| Commerce Bank | 2,999 | $1.73M | 0.01% | +17+0.6% | Added |
| Evermay Wealth Management LLC | 3,001 | $1.73M | 0.18% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 2,994 | $1.73M | 0.00% | −25−0.8% | Reduced |
| 17 Capital Partners, LLC | 3,013 | $1.74M | 0.79% | 00.0% | Unchanged |
| Huntington National Bank | 3,046 | $1.76M | 0.01% | −134−4.2% | Reduced |
| New Mexico Educational Retirement Board | 3,050 | $1.76M | 0.04% | +300+10.9% | Added |
| Crossmark Global Holdings, Inc. | 3,086 | $1.78M | 0.02% | −1,131−26.8% | Reduced |
| RSM US Wealth Management LLC | 3,091 | $1.78M | 0.02% | −826−21.1% | Reduced |
| Louisiana State Employees Retirement System | 3,100 | $1.79M | 0.03% | 00.0% | Unchanged |
| Beacon Pointe Advisors, LLC | 3,148 | $1.82M | 0.01% | −1,559−33.1% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 3,156 | $1.82M | 0.07% | +48+1.5% | Added |
| Empowered Funds, LLC | 3,158 | $1.82M | 0.01% | +323+11.4% | Added |
| Arkadios Wealth Advisors | 3,163 | $1.82M | 0.03% | −329−9.4% | Reduced |
| Whitener Capital Management, Inc. | 3,175 | $1.83M | 0.39% | +215+7.3% | Added |
| Kestra Advisory Services, LLC | 3,188 | $1.84M | 0.01% | −559−14.9% | Reduced |
| Allianz Asset Management GmbH | 3,231 | $1.86M | 0.00% | +984+43.8% | Added |
| WSFS Capital Management, LLC | 3,248 | $1.87M | 0.08% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 3,265 | $1.88M | 0.03% | +323+11.0% | Added |
| Jane Street Group, LLC | 3,285 | $1.89M | 0.00% | +311+10.5% | Added |
| Hartford Investment Management Co | 3,295 | $1.90M | 0.05% | −135−3.9% | Reduced |
| MML Investors Services, LLC | 3,320 | $1.91M | 0.00% | −864−20.7% | Reduced |
| Nomura Holdings Inc | 3,363 | $1.94M | 0.01% | +1,787+113.4% | Added |
| Erste Asset Management GmbH | 3,400 | $1.98M | 0.02% | +3,400 | New |
| QRG Capital Management, Inc. | 3,432 | $1.98M | 0.02% | +336+10.9% | Added |
| Profund Advisors LLC | 3,439 | $1.98M | 0.05% | +1,726+100.8% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 3,448 | $1.99M | 0.06% | +480+16.2% | Added |
| Norinchukin Bank, The | 3,470 | $2.00M | 0.02% | +7+0.2% | Added |
| Schear Investment Advisers, LLC | 3,484 | $2.01M | 0.67% | +206+6.3% | Added |
| Alps Advisors Inc | 3,507 | $2.02M | 0.01% | +3,507 | New |
| Harfst & Associates, Inc. | 3,511 | $2.02M | 0.31% | +120+3.5% | Added |
| RD Lewis Holdings, Inc. | 3,662 | $2.03M | 1.51% | +254+7.5% | Added |
| XTX Topco Ltd | 3,569 | $2.06M | 0.03% | +535+17.6% | Added |
| Graham Capital Management, L.P. | 3,600 | $2.08M | 0.06% | +850+30.9% | Added |
| Leavell Investment Management, Inc. | 3,667 | $2.11M | 0.08% | +746+25.5% | Added |
| Generali Asset Management SPA SGR | 3,690 | $2.13M | 0.04% | 00.0% | Unchanged |
| Weaver Capital Management LLC | 3,620 | $2.13M | 0.47% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 3,697 | $2.13M | 0.01% | −6−0.2% | Reduced |
| Integrated Wealth Concepts LLC | 3,709 | $2.14M | 0.01% | +2,770+295.0% | Added |
| Gardner Lewis Asset Management L P | 3,734 | $2.15M | 0.48% | −1,150−23.5% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 3,754 | $2.16M | 0.00% | −42−1.1% | Reduced |
| Kentucky Retirement Systems | 3,786 | $2.18M | 0.05% | +3,786 | New |
| Pinnacle Associates Ltd | 3,792 | $2.19M | 0.02% | +22+0.6% | Added |
| CWM Advisors, LLC | 3,807 | $2.20M | 0.09% | +521+15.9% | Added |
| GKV Capital Management Co., Inc. | 3,816 | $2.20M | 0.71% | −181−4.5% | Reduced |
| Griffin Asset Management, Inc. | 3,834 | $2.21M | 0.23% | −16−0.4% | Reduced |