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 | $34.3B |
| 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, 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 |
|---|---|---|---|---|---|
| QRG Capital Management, Inc. | 3,432 | $1.98M | 0.02% | +336+10.9% | Added |
| Erste Asset Management GmbH | 3,400 | $1.98M | 0.02% | +3,400 | New |
| Nomura Holdings Inc | 3,363 | $1.94M | 0.01% | +1,787+113.4% | Added |
| MML Investors Services, LLC | 3,320 | $1.91M | 0.00% | −864−20.7% | Reduced |
| Hartford Investment Management Co | 3,295 | $1.90M | 0.05% | −135−3.9% | Reduced |
| Jane Street Group, LLC | 3,285 | $1.89M | 0.00% | +311+10.5% | Added |
| Maryland State Retirement & Pension System | 3,265 | $1.88M | 0.03% | +323+11.0% | Added |
| WSFS Capital Management, LLC | 3,248 | $1.87M | 0.08% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 3,231 | $1.86M | 0.00% | +984+43.8% | Added |
| Kestra Advisory Services, LLC | 3,188 | $1.84M | 0.01% | −559−14.9% | Reduced |
| Whitener Capital Management, Inc. | 3,175 | $1.83M | 0.39% | +215+7.3% | Added |
| Arkadios Wealth Advisors | 3,163 | $1.82M | 0.03% | −329−9.4% | Reduced |
| Empowered Funds, LLC | 3,158 | $1.82M | 0.01% | +323+11.4% | Added |
| AG2R la Mondiale Gestion D'Actifs | 3,156 | $1.82M | 0.07% | +48+1.5% | Added |
| Beacon Pointe Advisors, LLC | 3,148 | $1.82M | 0.01% | −1,559−33.1% | Reduced |
| Louisiana State Employees Retirement System | 3,100 | $1.79M | 0.03% | 00.0% | Unchanged |
| RSM US Wealth Management LLC | 3,091 | $1.78M | 0.02% | −826−21.1% | Reduced |
| Crossmark Global Holdings, Inc. | 3,086 | $1.78M | 0.02% | −1,131−26.8% | Reduced |
| New Mexico Educational Retirement Board | 3,050 | $1.76M | 0.04% | +300+10.9% | Added |
| Huntington National Bank | 3,046 | $1.76M | 0.01% | −134−4.2% | Reduced |
| 17 Capital Partners, LLC | 3,013 | $1.74M | 0.79% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 2,994 | $1.73M | 0.00% | −25−0.8% | Reduced |
| Evermay Wealth Management LLC | 3,001 | $1.73M | 0.18% | 00.0% | Unchanged |
| Commerce Bank | 2,999 | $1.73M | 0.01% | +17+0.6% | Added |
| Summit Trail Advisors, LLC | 2,993 | $1.73M | 0.02% | +124+4.3% | Added |
| Callan Family Office, LLC | 2,981 | $1.72M | 0.03% | +7+0.2% | Added |
| Montag A & Associates Inc | 2,941 | $1.70M | 0.07% | −128−4.2% | Reduced |
| Lederer & Associates Investment Counsel | 2,930 | $1.69M | 1.11% | −10.0% | Reduced |
| GAMMA Investing LLC | 2,916 | $1.68M | 0.06% | +376+14.8% | Added |
| Valeo Financial Advisors, LLC | 2,899 | $1.67M | 0.04% | +495+20.6% | Added |
| Squarepoint Ops LLC | 2,857 | $1.65M | 0.00% | +1,254+78.2% | Added |
| Fiduciary Trust Co | 2,847 | $1.64M | 0.02% | +12+0.4% | Added |
| Cambridge Investment Research Advisors, Inc. | 2,785 | $1.61M | 0.00% | −6,192−69.0% | Reduced |
| Apollon Wealth Management, LLC | 2,781 | $1.60M | 0.02% | −223−7.4% | Reduced |
| Vident Advisory, LLC | 2,710 | $1.56M | 0.01% | −5,461−66.8% | Reduced |
| Tudor Investment Corp Et Al | 2,694 | $1.55M | 0.01% | +45+1.7% | Added |
| Quadrant Capital Group LLC | 2,689 | $1.55M | 0.04% | +452+20.2% | Added |
| Madden Securities Corp | 2,685 | $1.55M | 0.43% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 2,681 | $1.55M | 0.02% | +2+0.1% | Added |
| Keybank National Association | 2,680 | $1.55M | 0.01% | +92+3.6% | Added |
| Reuter James Wealth Management, LLC | 2,660 | $1.53M | 0.20% | −15−0.6% | Reduced |
| Marnell Management LLC | 2,651 | $1.53M | 0.78% | +1,160+77.8% | Added |
| Alpha Omega Wealth Management LLC | 2,604 | $1.50M | 0.23% | 00.0% | Unchanged |
| InTrack Investment Management Inc | 2,516 | $1.45M | 0.72% | +67+2.7% | Added |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 2,512 | $1.45M | 0.48% | −15−0.6% | Reduced |
| GWM Advisors LLC | 2,510 | $1.45M | 0.00% | −992−28.3% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 2,494 | $1.44M | 0.03% | −181−6.8% | Reduced |
| Little House Capital LLC | 2,450 | $1.41M | 0.32% | +5+0.2% | Added |
| Accretive Wealth Partners, LLC | 2,408 | $1.39M | 0.34% | −107−4.3% | Reduced |
| Capital Investment Counsel, Inc | 2,406 | $1.39M | 0.15% | 00.0% | Unchanged |
| Ascent Group, LLC | 2,400 | $1.38M | 0.04% | +91+3.9% | Added |
| Brandywine Trust Co | 2,400 | $1.38M | 0.22% | 00.0% | Unchanged |
| Argent Trust Co | 2,385 | $1.38M | 0.04% | −103−4.1% | Reduced |
| Brown Financial Advisors | 2,383 | $1.37M | 0.48% | +290+13.9% | Added |
| Portfolio Design Labs, LLC | 2,375 | $1.37M | 0.22% | +52+2.2% | Added |
| Aptus Capital Advisors, LLC | 2,374 | $1.37M | 0.01% | −29−1.2% | Reduced |
| United Capital Financial Advisers, LLC | 2,360 | $1.36M | 0.01% | +397+20.2% | Added |
| MUFG Securities EMEA plc | 2,350 | $1.36M | 0.01% | −125−5.1% | Reduced |
| Gilbert & Cook, Inc. | 2,337 | $1.35M | 0.16% | +208+9.8% | Added |
| Hantz Financial Services, Inc. | 2,325 | $1.34M | 0.02% | −755−24.5% | Reduced |
| Simmons Bank | 2,282 | $1.32M | 0.08% | +20+0.9% | Added |
| Tokio Marine Asset Management Co Ltd | 2,272 | $1.31M | 0.04% | 00.0% | Unchanged |
| Hudson Value Partners, LLC | 2,270 | $1.31M | 0.33% | −5−0.2% | Reduced |
| Meeder Advisory Services, Inc. | 2,249 | $1.30M | 0.05% | −58−2.5% | Reduced |
| Pinnacle Financial Partners, Inc. | 2,202 | $1.27M | 0.01% | −30−1.3% | Reduced |
| Empirical Finance, LLC | 2,199 | $1.27M | 0.05% | +70+3.3% | Added |
| Advisory Services Network, LLC | 2,192 | $1.26M | 0.01% | +1,275+139.0% | Added |
| B. Metzler seel. Sohn & Co. AG | 2,188 | $1.26M | 0.01% | 00.0% | Unchanged |
| Stablepoint Partners, LLC | 2,186 | $1.26M | 0.17% | −17−0.8% | Reduced |
| Coldstream Capital Management Inc | 2,173 | $1.25M | 0.02% | −539−19.9% | Reduced |
| CAPROCK Group, Inc. | 2,166 | $1.25M | 0.02% | −400−15.6% | Reduced |
| Tema ETFs LLC | 2,086 | $1.20M | 0.04% | −190−8.3% | Reduced |
| Massachusetts Financial Services Co | 2,062 | $1.19M | 0.00% | −36−1.7% | Reduced |
| E. Ohman J:or Asset Management AB | 2,060 | $1.19M | 0.03% | 00.0% | Unchanged |
| Intech Investment Management LLC | 2,048 | $1.18M | 0.01% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 2,003 | $1.16M | 0.04% | 00.0% | Unchanged |
| PEAK6 LLC | 2,011 | $1.16M | 0.03% | +2,009+100,450.0% | Added |
| Hunter Associates Investment Management LLC | 2,009 | $1.16M | 0.13% | −328−14.0% | Reduced |
| Princeton Capital Management LLC | 2,003 | $1.16M | 0.26% | +250+14.3% | Added |
| Merit Financial Group, LLC | 1,984 | $1.14M | 0.01% | +66+3.4% | Added |
| TCW Group Inc | 1,982 | $1.14M | 0.01% | −45,754−95.8% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 1,969 | $1.13M | 0.01% | −5,244−72.7% | Reduced |
| Monticello Wealth Management, LLC | 1,950 | $1.12M | 0.06% | +2+0.1% | Added |
| Accurate Wealth Management, LLC | 1,929 | $1.11M | 0.11% | +1,929 | New |
| Northwestern Mutual Investment Management Company, LLC | 1,926 | $1.11M | 0.01% | −4−0.2% | Reduced |
| First American Bank | 1,908 | $1.10M | 0.06% | −38−2.0% | Reduced |
| Vise Technologies, Inc. | 1,901 | $1.10M | 0.01% | +987+108.0% | Added |
| Guggenheim Capital LLC | 1,901 | $1.10M | 0.01% | +14+0.7% | Added |
| Ballentine Partners, LLC | 1,892 | $1.09M | 0.01% | −173−8.4% | Reduced |
| Inceptionr LLC | 1,891 | $1.09M | 0.27% | +1,891 | New |
| Balyasny Asset Management LLC | 1,878 | $1.08M | 0.00% | +978+108.7% | Added |
| Proficio Capital Partners LLC | 1,874 | $1.08M | 0.04% | +318+20.4% | Added |
| Ironsides Asset Advisors, LLC | 1,873 | $1.08M | 0.25% | 00.0% | Unchanged |
| SummitTX Capital, L.P. | 1,866 | $1.08M | 0.03% | −3,934−67.8% | Reduced |
| Trust Investment Advisors | 1,851 | $1.07M | 0.51% | +11+0.6% | Added |
| Kestra Private Wealth Services, LLC | 1,845 | $1.06M | 0.01% | −128−6.5% | Reduced |
| Ossiam | 1,841 | $1.06M | 0.01% | +1,841 | New |
| Horizon Investments, LLC | 1,836 | $1.06M | 0.01% | +16+0.9% | Added |
| MUFG Securities Americas Inc. | 1,809 | $1.04M | 0.05% | +140+8.4% | Added |
| Sterling Capital Management LLC | 1,797 | $1.04M | 0.02% | −220−10.9% | Reduced |