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 |
|---|---|---|---|---|---|
| Ilmarinen Mutual Pension Insurance Co | 6,000 | $3.74M | 0.03% | 00.0% | Unchanged |
| Miller Capital Partners, Inc. | 6,066 | $3.78M | 1.93% | +6,066 | New |
| Nordea Investment Management AB | 6,062 | $3.81M | 0.00% | −3,630−37.5% | Reduced |
| Summit Place Financial Advisors, LLC | 6,205 | $3.86M | 1.87% | −75−1.2% | Reduced |
| Mill Capital Management, LLC | 6,225 | $3.88M | 0.28% | 00.0% | Unchanged |
| Concorde Financial Corp | 5,847 | $3.88M | 3.00% | −169−2.8% | Reduced |
| Sanctuary Advisors, LLC | 6,263 | $3.90M | 0.02% | +955+18.0% | Added |
| Wealthfront Advisers LLC | 6,333 | $3.94M | 0.01% | +578+10.0% | Added |
| Schroder Investment Management Group | 6,341 | $3.95M | 0.00% | −998−13.6% | Reduced |
| Mackenzie Financial Corp | 6,369 | $4.01M | 0.00% | +413+6.9% | Added |
| Transamerica Financial Advisors, Inc. | 6,550 | $4.08M | 0.34% | −265−3.9% | Reduced |
| Yousif Capital Management, LLC | 6,484 | $4.09M | 0.04% | −326−4.8% | Reduced |
| Mediolanum International Funds Ltd | 6,488 | $4.10M | 0.04% | 00.0% | Unchanged |
| Red Spruce Capital, LLC | 6,739 | $4.20M | 1.67% | +130+2.0% | Added |
| OP Asset Management Ltd | 6,860 | $4.27M | 0.05% | +97+1.4% | Added |
| Oregon Public Employees Retirement Fund | 6,897 | $4.29M | 0.05% | 00.0% | Unchanged |
| Avanza Fonder AB | 6,929 | $4.31M | 0.11% | +1,198+20.9% | Added |
| Bluegrass Capital Partners LP | 7,000 | $4.36M | 2.60% | −19,000−73.1% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 7,044 | $4.39M | 0.03% | +5,417+332.9% | Added |
| ARS Investment Partners, LLC | 7,061 | $4.40M | 0.26% | −18−0.3% | Reduced |
| Mitchell Capital Management Co | 7,167 | $4.46M | 0.80% | −3,456−32.5% | Reduced |
| Atria Investments LLC | 7,316 | $4.56M | 0.05% | −277−3.6% | Reduced |
| Salem Investment Counselors Inc | 7,438 | $4.63M | 0.13% | −905−10.8% | Reduced |
| Southeast Asset Advisors Inc. | 7,456 | $4.64M | 0.44% | +424+6.0% | Added |
| Mercer Global Advisors Inc | 7,489 | $4.66M | 0.01% | +2,597+53.1% | Added |
| Toroso Investments, LLC | 7,510 | $4.68M | 0.02% | +409+5.8% | Added |
| Vident Advisory, LLC | 7,531 | $4.69M | 0.04% | +5,207+224.1% | Added |
| KBC Group NV | 7,544 | $4.70M | 0.01% | −50,954−87.1% | Reduced |
| Hudson Bay Capital Management LP | 7,612 | $4.74M | 0.03% | +1,827+31.6% | Added |
| SailingStone Capital Partners LLC | 7,620 | $4.74M | 1.18% | 00.0% | Unchanged |
| Nissay Asset Management Corp | 7,657 | $4.77M | 0.02% | +83+1.1% | Added |
| Public Sector Pension Investment Board | 7,828 | $4.87M | 0.02% | +2,581+49.2% | Added |
| HB Wealth Management, LLC | 7,877 | $4.91M | 0.03% | −131−1.6% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 7,921 | $4.93M | 0.04% | +112+1.4% | Added |
| Whittier Trust Co of Nevada Inc | 7,685 | $4.97M | 0.10% | +926+13.7% | Added |
| Bessemer Group Inc | 7,982 | $4.97M | 0.01% | +2,453+44.4% | Added |
| Canal Capital Management, LLC | 8,027 | $5.00M | 0.71% | +305+3.9% | Added |
| Fifth Third Bancorp | 8,045 | $5.01M | 0.02% | −409−4.8% | Reduced |
| Rakuten Investment Management, Inc. | 7,934 | $5.06M | 0.02% | −10,090−56.0% | Reduced |
| Alerus Financial NA | 8,217 | $5.12M | 0.25% | −9−0.1% | Reduced |
| JustInvest LLC | 8,250 | $5.14M | 0.05% | +334+4.2% | Added |
| Lountzis Asset Management, LLC | 8,360 | $5.21M | 1.85% | −111−1.3% | Reduced |
| CIBC World Markets Corp | 8,389 | $5.22M | 0.03% | +8,389 | New |
| Pinebridge Investments LLC | 8,539 | $5.32M | 0.04% | +8,539 | New |
| Wealth Enhancement Advisory Services, LLC | 8,056 | $5.33M | 0.01% | +599+8.0% | Added |
| Xponance, Inc. | 8,646 | $5.38M | 0.04% | +521+6.4% | Added |
| Cambridge Investment Research Advisors, Inc. | 8,743 | $5.44M | 0.01% | +97+1.1% | Added |
| New York Life Investment Management LLC | 8,755 | $5.45M | 0.05% | −47−0.5% | Reduced |
| Commonwealth Equity Services, LLC | 8,832 | $5.50M | 0.01% | −670−7.1% | Reduced |
| Vestmark Advisory Solutions, Inc. | 8,898 | $5.54M | 0.07% | +1,402+18.7% | Added |
| Police & Firemen's Retirement System of New Jersey | 9,189 | $5.72M | 0.05% | −471−4.9% | Reduced |
| SG Americas Securities, LLC | 9,316 | $5.80M | 0.01% | +3,728+66.7% | Added |
| Janney Montgomery Scott LLC | 9,351 | $5.82M | 0.01% | +54+0.6% | Added |
| Obion Capital Management LP | 9,378 | $5.84M | 5.62% | +9,378 | New |
| Swiss Life Asset Management Ltd | 9,395 | $5.85M | 0.03% | +877+10.3% | Added |
| Bank of Nova Scotia | 9,435 | $5.87M | 0.01% | +2,013+27.1% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 9,624 | $5.99M | 0.02% | +9,624 | New |
| Nisa Investment Advisors, LLC | 9,872 | $6.15M | 0.02% | +709+7.7% | Added |
| Utah Retirement Systems | 9,897 | $6.16M | 0.06% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 10,065 | $6.27M | 0.07% | +3,529+54.0% | Added |
| Robbins Farley LLC | 10,144 | $6.32M | 2.86% | −738−6.8% | Reduced |
| Oppenheimer Asset Management Inc. | 10,412 | $6.48M | 0.08% | −221−2.1% | Reduced |
| Ancora Advisors, LLC | 10,429 | $6.49M | 0.13% | +102+1.0% | Added |
| Weik Capital Management | 10,474 | $6.52M | 2.44% | −100−0.9% | Reduced |
| US Bancorp | 10,487 | $6.53M | 0.01% | −176−1.7% | Reduced |
| USS Investment Management Ltd | 10,605 | $6.61M | 0.03% | 00.0% | Unchanged |
| British Columbia Investment Management Corp | 10,683 | $6.65M | 0.04% | +2,018+23.3% | Added |
| Ethic Inc. | 10,744 | $6.69M | 0.10% | +2,889+36.8% | Added |
| Brown Advisory Inc | 11,028 | $6.87M | 0.01% | +3,480+46.1% | Added |
| Washington Trust Bank | 11,199 | $6.97M | 0.49% | −351−3.0% | Reduced |
| Amalgamated Bank | 11,278 | $7.02M | 0.05% | −201−1.8% | Reduced |
| Man Group plc | 11,424 | $7.11M | 0.01% | −56,711−83.2% | Reduced |
| O'Shaughnessy Asset Management, LLC | 11,475 | $7.15M | 0.04% | +997+9.5% | Added |
| IFM Investors Pty Ltd | 11,566 | $7.20M | 0.06% | +804+7.5% | Added |
| Mader & Shannon Wealth Management, Inc. | 11,601 | $7.31M | 3.58% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 11,753 | $7.32M | 0.02% | +1,778+17.8% | Added |
| Comerica Bank | 11,871 | $7.39M | 0.03% | −911−7.1% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 11,929 | $7.43M | 0.03% | −150−1.2% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 11,954 | $7.44M | 0.02% | +7,791+187.1% | Added |
| Renaissance Investment Group LLC | 12,317 | $7.67M | 1.55% | −40−0.3% | Reduced |
| Forsta Ap-Fonden | 12,320 | $7.67M | 0.05% | −280−2.2% | Reduced |
| Sequoia Financial Advisors, LLC | 12,424 | $7.74M | 0.04% | +31+0.3% | Added |
| ProShare Advisors LLC | 12,502 | $7.78M | 0.01% | +716+6.1% | Added |
| OpenArc Corporate Advisory, LLC | 12,520 | $7.80M | 0.13% | +12,520 | New |
| Eurizon Capital SGR S.p.A. | 12,647 | $7.88M | 0.02% | +12,647 | New |
| Retirement Systems of Alabama | 12,830 | $7.99M | 0.03% | −35−0.3% | Reduced |
| Turtle Creek Wealth Advisors, LLC | 12,943 | $8.06M | 0.63% | +1,740+15.5% | Added |
| SMA Capital LLC | 13,000 | $8.09M | 4.19% | +13,000 | New |
| DnB Asset Management AS | 13,193 | $8.21M | 0.03% | +544+4.3% | Added |
| Socorro Asset Management LP | 13,894 | $8.65M | 3.35% | −1,308−8.6% | Reduced |
| Two Sigma Investments, LP | 13,963 | $8.69M | 0.01% | −84,193−85.8% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 14,028 | $8.73M | 0.04% | −454−3.1% | Reduced |
| D.A. Davidson & Co. | 14,335 | $8.93M | 0.05% | −932−6.1% | Reduced |
| M&T Bank Corp | 14,345 | $8.93M | 0.03% | +55+0.4% | Added |
| Rockefeller Capital Management L.P. | 14,382 | $8.96M | 0.02% | +3,554+32.8% | Added |
| MetLife Investment Management | 14,454 | $9.00M | 0.04% | −506−3.4% | Reduced |
| Blair William & Co | 14,463 | $9.01M | 0.02% | +4,696+48.1% | Added |
| Harvey Capital Management Inc | 14,602 | $9.09M | 1.94% | −13−0.1% | Reduced |
| Cetera Investment Advisers | 14,662 | $9.13M | 0.01% | +556+3.9% | Added |
| Gotham Asset Management, LLC | 14,885 | $9.27M | 0.03% | +70+0.5% | Added |