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
- +68 vs. Q2 2025
- Shares held
- 58.2M
- −919.2K (−1.6%) vs. Q2 2025
- Total value
- $36.7B
- +$4.20B (+12.9%) vs. Q2 2025
- New holders
- 132
- 366 more added
- Sold out
- 64
- 344 more reduced
14 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 | $34.3B |
| 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, 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 |
|---|---|---|---|---|---|
| CIBC Asset Management Inc | 16,194 | $10.2M | 0.03% | −2,669−14.1% | Reduced |
| Aquatic Capital Management LLC | 16,143 | $10.2M | 0.19% | +13,333+474.5% | Added |
| Lazard Asset Management LLC | 15,956 | $10.1M | 0.01% | +211+1.3% | Added |
| First Trust Advisors LP | 15,436 | $9.73M | 0.01% | −32,703−67.9% | Reduced |
| Czech National Bank | 15,317 | $9.65M | 0.07% | +582+3.9% | Added |
| D.A. Davidson & Co. | 15,267 | $9.62M | 0.06% | +763+5.3% | Added |
| Stone Run Capital, LLC | 15,263 | $9.62M | 3.79% | −535−3.4% | Reduced |
| Socorro Asset Management LP | 15,202 | $9.58M | 3.45% | −2,835−15.7% | Reduced |
| 1832 Asset Management L.P. | 15,100 | $9.52M | 0.02% | −32,700−68.4% | Reduced |
| MetLife Investment Management | 14,960 | $9.43M | 0.05% | −396−2.6% | Reduced |
| Abn Amro Investment Solutions | 14,850 | $9.36M | 0.19% | −200−1.3% | Reduced |
| Gotham Asset Management, LLC | 14,815 | $9.34M | 0.04% | +10,569+248.9% | Added |
| Two Sigma Advisers, LP | 14,800 | $9.33M | 0.02% | −87,496−85.5% | Reduced |
| Harvey Capital Management Inc | 14,615 | $9.21M | 1.97% | −503−3.3% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 14,482 | $9.13M | 0.05% | −303−2.0% | Reduced |
| M&T Bank Corp | 14,290 | $9.01M | 0.03% | −2,541−15.1% | Reduced |
| Cetera Investment Advisers | 14,106 | $8.89M | 0.01% | +2,077+17.3% | Added |
| United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund | 13,795 | $8.69M | 0.32% | +13,795 | New |
| Sagefield Capital LP | 13,410 | $8.45M | 0.95% | −5,351−28.5% | Reduced |
| Spears Abacus Advisors LLC | 13,384 | $8.44M | 0.16% | −9,529−41.6% | Reduced |
| State of Tennessee, Treasury Department | 13,068 | $8.24M | 0.03% | −3,506−21.2% | Reduced |
| Retirement Systems of Alabama | 12,865 | $8.11M | 0.03% | −72−0.6% | Reduced |
| Comerica Bank | 12,782 | $8.06M | 0.03% | −241−1.9% | Reduced |
| Citadel Advisors LLC | 12,728 | $8.02M | 0.01% | +10,553+485.2% | Added |
| DnB Asset Management AS | 12,649 | $7.97M | 0.03% | +505+4.2% | Added |
| Forsta Ap-Fonden | 12,600 | $7.94M | 0.05% | +600+5.0% | Added |
| Sequoia Financial Advisors, LLC | 12,393 | $7.81M | 0.05% | +520+4.4% | Added |
| Renaissance Investment Group LLC | 12,357 | $7.79M | 1.58% | −2,870−18.8% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 12,079 | $7.61M | 0.03% | −698−5.5% | Reduced |
| ProShare Advisors LLC | 11,786 | $7.43M | 0.02% | −346−2.9% | Reduced |
| Kovitz Investment Group Partners, LLC | 11,784 | $7.43M | 0.03% | −233−1.9% | Reduced |
| Natixis | 11,618 | $7.32M | 0.04% | −2,306−16.6% | Reduced |
| Mader & Shannon Wealth Management, Inc. | 11,601 | $7.31M | 3.58% | +232+2.0% | Added |
| Washington Trust Bank | 11,550 | $7.28M | 0.53% | −447−3.7% | Reduced |
| Amalgamated Bank | 11,479 | $7.24M | 0.05% | −195−1.7% | Reduced |
| Turtle Creek Wealth Advisors, LLC | 11,203 | $7.06M | 0.63% | +973+9.5% | Added |
| L & S Advisors Inc | 10,966 | $6.91M | 0.66% | +5,700+108.2% | Added |
| Robbins Farley LLC | 10,882 | $6.86M | 2.85% | +230+2.2% | Added |
| Rockefeller Capital Management L.P. | 10,828 | $6.83M | 0.01% | −542−4.8% | Reduced |
| US Bancorp | 10,663 | $6.72M | 0.01% | +14+0.1% | Added |
| Oppenheimer Asset Management Inc. | 10,633 | $6.70M | 0.07% | −932−8.1% | Reduced |
| Mitchell Capital Management Co | 10,623 | $6.70M | 1.15% | +249+2.4% | Added |
| USS Investment Management Ltd | 10,605 | $6.68M | 0.03% | 00.0% | Unchanged |
| Weik Capital Management | 10,574 | $6.66M | 2.49% | −11−0.1% | Reduced |
| IFM Investors Pty Ltd | 10,762 | $6.61M | 0.06% | −384−3.4% | Reduced |
| O'Shaughnessy Asset Management, LLC | 10,478 | $6.60M | 0.04% | +880+9.2% | Added |
| Susquehanna International Group, LLP | 10,463 | $6.59M | 0.01% | −12,101−53.6% | Reduced |
| Pinebridge Investments, L.P. | 10,463 | $6.59M | 0.05% | +3,412+48.4% | Added |
| Ancora Advisors, LLC | 10,327 | $6.51M | 0.13% | −49−0.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 9,975 | $6.29M | 0.02% | −2,406−19.4% | Reduced |
| Utah Retirement Systems | 9,897 | $6.24M | 0.06% | −159−1.6% | Reduced |
| Blair William & Co | 9,767 | $6.16M | 0.02% | +85+0.9% | Added |
| Police & Firemen's Retirement System of New Jersey | 9,660 | $6.09M | 0.05% | +537+5.9% | Added |
| Nordea Investment Management AB | 9,692 | $6.07M | 0.01% | −3,034−23.8% | Reduced |
| Commonwealth Equity Services, LLC | 9,502 | $5.99M | 0.01% | −1,176−11.0% | Reduced |
| Federation des caisses Desjardins du Quebec | 9,348 | $5.89M | 0.02% | +388+4.3% | Added |
| Janney Montgomery Scott LLC | 9,297 | $5.86M | 0.01% | −279−2.9% | Reduced |
| Graham Capital Management, L.P. | 9,200 | $5.80M | 0.21% | +1,200+15.0% | Added |
| Nisa Investment Advisors, LLC | 9,163 | $5.78M | 0.02% | +40+0.4% | Added |
| UBS Oconnor LLC | 9,100 | $5.74M | 0.17% | +9,100 | New |
| New York Life Investment Management LLC | 8,802 | $5.55M | 0.05% | −240−2.7% | Reduced |
| British Columbia Investment Management Corp | 8,665 | $5.46M | 0.03% | −931−9.7% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 8,646 | $5.45M | 0.01% | +127+1.5% | Added |
| Swiss Life Asset Management Ltd | 8,518 | $5.37M | 0.03% | +634+8.0% | Added |
| Lountzis Asset Management, LLC | 8,471 | $5.34M | 1.74% | −31−0.4% | Reduced |
| Fifth Third Bancorp | 8,454 | $5.33M | 0.02% | +366+4.5% | Added |
| Salem Investment Counselors Inc | 8,343 | $5.26M | 0.15% | −5−0.1% | Reduced |
| Alerus Financial NA | 8,226 | $5.18M | 0.26% | +77+0.9% | Added |
| SummitTX Capital, L.P. | 8,174 | $5.15M | 0.21% | +8,174 | New |
| Xponance, Inc. | 8,125 | $5.12M | 0.04% | −557−6.4% | Reduced |
| Jain Global LLC | 8,077 | $5.09M | 0.07% | +8,077 | New |
| HB Wealth Management, LLC | 8,008 | $5.05M | 0.03% | +3,522+78.5% | Added |
| JustInvest LLC | 7,916 | $5.00M | 0.05% | +736+10.3% | Added |
| Teacher Retirement System of Texas | 7,898 | $4.98M | 0.02% | −1,362−14.7% | Reduced |
| Ethic Inc. | 7,855 | $4.95M | 0.08% | +235+3.1% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 7,809 | $4.92M | 0.04% | +94+1.2% | Added |
| Canal Capital Management, LLC | 7,722 | $4.87M | 0.73% | +63+0.8% | Added |
| SailingStone Capital Partners LLC | 7,620 | $4.80M | 1.26% | 00.0% | Unchanged |
| Atria Investments LLC | 7,593 | $4.79M | 0.05% | −877−10.4% | Reduced |
| Nissay Asset Management Corp | 7,574 | $4.77M | 0.03% | −10−0.1% | Reduced |
| Brown Advisory Inc | 7,548 | $4.76M | 0.01% | +254+3.5% | Added |
| Vestmark Advisory Solutions, Inc. | 7,496 | $4.72M | 0.09% | −1,021−12.0% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 7,457 | $4.69M | 0.01% | +646+9.5% | Added |
| Bank of Nova Scotia | 7,422 | $4.68M | 0.01% | −12,509−62.8% | Reduced |
| Schroder Investment Management Group | 7,339 | $4.63M | 0.00% | +724+10.9% | Added |
| Apella Capital, LLC | 7,241 | $4.52M | 0.10% | −5−0.1% | Reduced |
| Symmetry Investments LP | 7,103 | $4.48M | 0.36% | +7,103 | New |
| Toroso Investments, LLC | 7,101 | $4.48M | 0.02% | +2,243+46.2% | Added |
| ARS Investment Partners, LLC | 7,079 | $4.46M | 0.29% | −96−1.3% | Reduced |
| Southeast Asset Advisors Inc. | 7,032 | $4.43M | 0.48% | −340−4.6% | Reduced |
| Oregon Public Employees Retirement Fund | 6,897 | $4.35M | 0.06% | +1,661+31.7% | Added |
| Transamerica Financial Advisors, Inc. | 6,815 | $4.30M | 0.36% | −109−1.6% | Reduced |
| Yousif Capital Management, LLC | 6,810 | $4.29M | 0.05% | −425−5.9% | Reduced |
| Whittier Trust Co of Nevada Inc | 6,759 | $4.29M | 0.09% | +295+4.6% | Added |
| OP Asset Management Ltd | 6,763 | $4.26M | 0.06% | +300+4.6% | Added |
| Red Spruce Capital, LLC | 6,609 | $4.17M | 1.70% | −61−0.9% | Reduced |
| Mutual of America Capital Management LLC | 6,536 | $4.12M | 0.04% | −377−5.5% | Reduced |
| DoubleLine ETF Adviser LP | 6,512 | $4.10M | 1.24% | +247+3.9% | Added |
| State of Alaska, Department of Revenue | 6,450 | $4.07M | 0.04% | −314−4.6% | Reduced |
| Mediolanum International Funds Ltd | 6,488 | $4.03M | 0.04% | +91+1.4% | Added |