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 |
|---|---|---|---|---|---|
| MUFG Securities Americas Inc. | 1,625 | $1.01M | 0.06% | −2−0.1% | Reduced |
| Qsemble Capital Management, LP | 1,648 | $1.03M | 0.08% | +1,648 | New |
| Securian Asset Management, Inc | 1,693 | $1.05M | 0.04% | −1,236−42.2% | Reduced |
| Argyle Capital Partners, LLC | 1,702 | $1.06M | 0.77% | 00.0% | Unchanged |
| Warren Averett Asset Management, LLC | 1,728 | $1.08M | 0.01% | −123−6.6% | Reduced |
| Princeton Capital Management LLC | 1,752 | $1.09M | 0.28% | 00.0% | Unchanged |
| Castleark Management LLC | 1,760 | $1.10M | 0.03% | +1,760 | New |
| Ironsides Asset Advisors, LLC | 1,773 | $1.10M | 0.28% | 00.0% | Unchanged |
| Horizon Investments, LLC | 1,775 | $1.11M | 0.01% | −183−9.3% | Reduced |
| MAI Capital Management | 1,780 | $1.11M | 0.01% | −104−5.5% | Reduced |
| IFP Advisors, Inc | 1,784 | $1.11M | 0.02% | +867+94.5% | Added |
| Steward Partners Investment Advisory, LLC | 1,788 | $1.11M | 0.01% | −638−26.3% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 1,790 | $1.11M | 0.01% | −760−29.8% | Reduced |
| Guggenheim Capital LLC | 1,790 | $1.11M | 0.01% | +1+0.1% | Added |
| United Capital Financial Advisers, LLC | 1,797 | $1.12M | 0.01% | −394−18.0% | Reduced |
| NVWM, LLC | 1,799 | $1.12M | 0.24% | −71−3.8% | Reduced |
| Curated Wealth Partners LLC | 1,821 | $1.13M | 0.12% | +251+16.0% | Added |
| Busey Wealth Management | 1,834 | $1.14M | 0.03% | −53−2.8% | Reduced |
| Kestra Private Wealth Services, LLC | 1,842 | $1.15M | 0.01% | +887+92.9% | Added |
| Allworth Financial LP | 1,882 | $1.17M | 0.00% | +202+12.0% | Added |
| Hilltop Holdings Inc. | 1,888 | $1.18M | 0.07% | −279−12.9% | Reduced |
| Smartleaf Asset Management LLC | 1,869 | $1.18M | 0.04% | +157+9.2% | Added |
| Trust Investment Advisors | 1,898 | $1.18M | 0.63% | +93+5.2% | Added |
| La Banque Postale Asset Management SA | 1,917 | $1.19M | 0.01% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 1,924 | $1.20M | 0.00% | −657−25.5% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 1,928 | $1.20M | 0.01% | +7+0.4% | Added |
| Aster Capital Management (DIFC) Ltd | 1,933 | $1.20M | 0.53% | +1,933 | New |
| Savant Capital, LLC | 1,935 | $1.20M | 0.01% | +49+2.6% | Added |
| First American Bank | 1,937 | $1.21M | 0.07% | 00.0% | Unchanged |
| Lido Advisors, LLC | 1,920 | $1.21M | 0.00% | +15+0.8% | Added |
| Mark Asset Management LP | 1,970 | $1.23M | 0.14% | +14+0.7% | Added |
| Axxcess Wealth Management, LLC | 1,970 | $1.23M | 0.02% | +896+83.4% | Added |
| Principal Securities, Inc. | 1,973 | $1.23M | 0.02% | +117+6.3% | Added |
| Teacher Retirement System of Texas | 1,996 | $1.24M | 0.00% | −5,902−74.7% | Reduced |
| North Dakota State Investment Board | 2,056 | $1.28M | 0.05% | +2,056 | New |
| E. Ohman J:or Asset Management AB | 2,060 | $1.28M | 0.03% | −401−16.3% | Reduced |
| Intech Investment Management LLC | 2,071 | $1.29M | 0.01% | +355+20.7% | Added |
| HRT Financial LP | 2,073 | $1.29M | 0.00% | +2,073 | New |
| Huber Capital Management LLC | 2,092 | $1.30M | 0.19% | 00.0% | Unchanged |
| Massachusetts Financial Services Co | 2,109 | $1.31M | 0.00% | +139+7.1% | Added |
| Tokio Marine Asset Management Co Ltd | 2,124 | $1.32M | 0.05% | +90+4.4% | Added |
| Gilbert & Cook, Inc. | 2,135 | $1.33M | 0.17% | +48+2.3% | Added |
| Empirical Finance, LLC | 2,135 | $1.33M | 0.06% | −86−3.9% | Reduced |
| Natixis | 2,152 | $1.34M | 0.01% | −9,466−81.5% | Reduced |
| Ieq Capital, LLC | 2,169 | $1.35M | 0.00% | −26−1.2% | Reduced |
| Stablepoint Partners, LLC | 2,170 | $1.35M | 0.21% | −70−3.1% | Reduced |
| Quadrant Capital Group LLC | 2,186 | $1.36M | 0.04% | +17+0.8% | Added |
| Stance Capital LLC | 2,208 | $1.37M | 0.51% | +2,208 | New |
| Omers Administration Corp | 2,209 | $1.38M | 0.01% | −1,000−31.2% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 2,218 | $1.38M | 0.01% | −428−16.2% | Reduced |
| Merit Financial Group, LLC | 2,241 | $1.40M | 0.01% | +387+20.9% | Added |
| Monticello Wealth Management, LLC | 2,248 | $1.40M | 0.09% | +329+17.1% | Added |
| Main Street Financial Solutions, LLC | 2,258 | $1.41M | 0.11% | −5−0.2% | Reduced |
| JSF Financial, LLC | 2,260 | $1.41M | 0.29% | −11−0.5% | Reduced |
| Tower Research Capital LLC (TRC) | 2,265 | $1.41M | 0.03% | +864+61.7% | Added |
| Hunter Associates Investment Management LLC | 2,325 | $1.44M | 0.19% | +14+0.6% | Added |
| Ascent Group, LLC | 2,334 | $1.45M | 0.05% | +47+2.1% | Added |
| Meeder Advisory Services, Inc. | 2,338 | $1.46M | 0.06% | +93+4.1% | Added |
| GAMMA Investing LLC | 2,357 | $1.47M | 0.07% | +383+19.4% | Added |
| Symmetry Investments LP | 2,360 | $1.47M | 0.27% | −4,743−66.8% | Reduced |
| AXA S.A. | 2,360 | $1.47M | 0.70% | −25−1.0% | Reduced |
| Simmons Bank | 2,362 | $1.47M | 0.10% | −302−11.3% | Reduced |
| Hudson Value Partners, LLC | 2,350 | $1.48M | 0.44% | 00.0% | Unchanged |
| Portfolio Design Labs, LLC | 2,383 | $1.48M | 0.24% | +43+1.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 2,384 | $1.48M | 0.00% | −3−0.1% | Reduced |
| Fiduciary Trust Co | 2,387 | $1.49M | 0.02% | −4−0.2% | Reduced |
| InTrack Investment Management Inc | 2,390 | $1.49M | 0.83% | +274+12.9% | Added |
| Brown Financial Advisors | 2,391 | $1.49M | 0.54% | +33+1.4% | Added |
| Brandywine Trust Co | 2,400 | $1.49M | 0.26% | 00.0% | Unchanged |
| Dai-Ichi Life Insurance Company, Ltd | 2,403 | $1.50M | 0.04% | −2,097−46.6% | Reduced |
| Capital Investment Counsel, Inc | 2,406 | $1.50M | 0.18% | −17−0.7% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 2,441 | $1.52M | 0.01% | +7+0.3% | Added |
| Little House Capital LLC | 2,464 | $1.53M | 0.39% | −203−7.6% | Reduced |
| Pinnacle Financial Partners, Inc. | 2,467 | $1.54M | 0.01% | +2,467 | New |
| MUFG Securities EMEA plc | 2,475 | $1.54M | 0.02% | +1,321+114.5% | Added |
| Accretive Wealth Partners, LLC | 2,502 | $1.56M | 0.46% | −18−0.7% | Reduced |
| Swedbank AB | 2,507 | $1.56M | 0.00% | 00.0% | Unchanged |
| Coldstream Capital Management Inc | 2,517 | $1.57M | 0.02% | −584−18.8% | Reduced |
| Keybank National Association | 2,578 | $1.61M | 0.01% | −161−5.9% | Reduced |
| Metis Global Partners, LLC | 2,586 | $1.61M | 0.04% | −122−4.5% | Reduced |
| Madden Securities Corp | 2,600 | $1.62M | 0.49% | −150−5.5% | Reduced |
| Aptus Capital Advisors, LLC | 2,605 | $1.62M | 0.01% | +53+2.1% | Added |
| CAPROCK Group, Inc. | 2,608 | $1.62M | 0.03% | +4+0.2% | Added |
| Jump Financial, LLC | 2,618 | $1.63M | 0.02% | +1,448+123.8% | Added |
| Alpha Omega Wealth Management LLC | 2,637 | $1.64M | 0.27% | −35−1.3% | Reduced |
| Quest Partners LLC | 2,647 | $1.65M | 0.09% | −2,871−52.0% | Reduced |
| Bartlett & Co. Wealth Management LLC | 2,691 | $1.68M | 0.02% | 00.0% | Unchanged |
| Reuter James Wealth Management, LLC | 2,712 | $1.69M | 0.23% | +686+33.9% | Added |
| Commerce Bank | 2,714 | $1.69M | 0.01% | +252+10.2% | Added |
| New Mexico Educational Retirement Board | 2,750 | $1.71M | 0.05% | 00.0% | Unchanged |
| Tema ETFs LLC | 2,796 | $1.74M | 0.14% | −210−7.0% | Reduced |
| Apollon Wealth Management, LLC | 2,809 | $1.75M | 0.03% | +46+1.7% | Added |
| Parr McKnight Wealth Management Group, LLC | 2,831 | $1.76M | 0.23% | +2,831 | New |
| Jones Financial Companies LLLP | 2,863 | $1.78M | 0.00% | +264+10.2% | Added |
| Summit Trail Advisors, LLC | 2,882 | $1.79M | 0.03% | −18−0.6% | Reduced |
| Eventide Asset Management, LLC | 2,890 | $1.80M | 0.03% | +2,890 | New |
| Leavell Investment Management, Inc. | 2,921 | $1.82M | 0.08% | +6+0.2% | Added |
| Maryland State Retirement & Pension System | 2,942 | $1.83M | 0.04% | 00.0% | Unchanged |
| Regions Financial Corp | 2,945 | $1.83M | 0.01% | −384−11.5% | Reduced |
| Lederer & Associates Investment Counsel | 2,953 | $1.84M | 1.23% | −320−9.8% | Reduced |