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, Q1 2026
Institutional positions in Martin Marietta Materials Inc as of Mar 31, 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
- 1,077
- −27 vs. Q4 2025
- Shares held
- 58.4M
- +7.30M (+14.3%) vs. Q4 2025
- Total value
- $34.3B
- +$2.51B (+7.9%) vs. Q4 2025
- New holders
- 103
- 370 more added
- Sold out
- 130
- 377 more reduced
13 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tocqueville Asset Management L.P. | 18,837 | $11.1M | 0.16% | −658−3.4% | Reduced |
| Resona Asset Management Co.,Ltd. | 18,905 | $11.1M | 0.06% | +181+1.0% | Added |
| Pelham Capital Ltd. | 18,480 | $10.9M | 8.53% | −6,338−25.5% | Reduced |
| Storebrand Asset Management AS | 18,318 | $10.8M | 0.03% | −93−0.5% | Reduced |
| Truist Financial Corp | 17,739 | $10.4M | 0.01% | −732−4.0% | Reduced |
| Nitorum Capital, L.P. | 17,587 | $10.4M | 9.09% | −55,598−76.0% | Reduced |
| Thrivent Financial for Lutherans | 17,464 | $10.3M | 0.02% | −1,011−5.5% | Reduced |
| Public Employees Retirement System of Ohio | 17,455 | $10.3M | 0.03% | −595−3.3% | Reduced |
| Lazard Asset Management LLC | 16,881 | $9.94M | 0.02% | +1,003+6.3% | Added |
| Rockefeller Capital Management L.P. | 16,770 | $9.87M | 0.02% | +2,388+16.6% | Added |
| Citadel Advisors LLC | 16,730 | $9.85M | 0.01% | −72,204−81.2% | Reduced |
| Czech National Bank | 16,424 | $9.67M | 0.06% | +522+3.3% | Added |
| Arizona State Retirement System | 16,381 | $9.64M | 0.06% | −196−1.2% | Reduced |
| Royal London Asset Management Ltd | 16,134 | $9.50M | 0.02% | 00.0% | Unchanged |
| State of Michigan Retirement System | 15,737 | $9.26M | 0.05% | −100−0.6% | Reduced |
| Westwood Holdings Group Inc. | 15,535 | $9.15M | 0.07% | −732−4.5% | Reduced |
| Colony Group, LLC | 15,492 | $9.13M | 0.01% | −19−0.1% | Reduced |
| Cetera Investment Advisers | 15,078 | $8.88M | 0.01% | +416+2.8% | Added |
| Andra AP-fonden | 14,947 | $8.80M | 0.11% | +14,947 | New |
| Sirios Capital Management L P | 14,904 | $8.77M | 1.06% | +14,904 | New |
| Millennium Management LLC | 14,861 | $8.75M | 0.01% | −74,832−83.4% | Reduced |
| Turtle Creek Wealth Advisors, LLC | 14,558 | $8.57M | 0.65% | +1,615+12.5% | Added |
| Harvey Capital Management Inc | 14,490 | $8.53M | 1.94% | −112−0.8% | Reduced |
| DnB Asset Management AS | 14,446 | $8.50M | 0.03% | +1,253+9.5% | Added |
| MetLife Investment Management | 14,087 | $8.29M | 0.04% | −367−2.5% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 14,048 | $8.27M | 0.04% | +20+0.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 13,657 | $8.04M | 0.02% | +1,904+16.2% | Added |
| OpenArc Corporate Advisory, LLC | 13,534 | $7.97M | 0.11% | +1,014+8.1% | Added |
| D.A. Davidson & Co. | 13,435 | $7.91M | 0.05% | −900−6.3% | Reduced |
| O'Shaughnessy Asset Management, LLC | 13,408 | $7.89M | 0.04% | +1,933+16.8% | Added |
| Mader & Shannon Wealth Management, Inc. | 13,402 | $7.89M | 3.65% | +1,801+15.5% | Added |
| IFM Investors Pty Ltd | 13,020 | $7.66M | 0.06% | +1,454+12.6% | Added |
| Retirement Systems of Alabama | 12,808 | $7.54M | 0.03% | −22−0.2% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 12,532 | $7.38M | 0.14% | +12,532 | New |
| M&T Bank Corp | 12,495 | $7.36M | 0.02% | −1,850−12.9% | Reduced |
| SEB Asset Management AB | 12,216 | $7.19M | 0.03% | +12,216 | New |
| Ethic Inc. | 12,202 | $7.18M | 0.11% | +1,458+13.6% | Added |
| Renaissance Investment Group LLC | 11,724 | $6.90M | 1.48% | −593−4.8% | Reduced |
| Vestmark Advisory Solutions, Inc. | 11,611 | $6.84M | 0.08% | +2,713+30.5% | Added |
| Socorro Asset Management LP | 11,572 | $6.81M | 3.08% | −2,322−16.7% | Reduced |
| Eurizon Capital SGR S.p.A. | 11,325 | $6.66M | 0.02% | −1,322−10.5% | Reduced |
| Amalgamated Bank | 11,068 | $6.52M | 0.05% | −210−1.9% | Reduced |
| TD Waterhouse Canada Inc. | 10,737 | $6.42M | 0.02% | +5,216+94.5% | Added |
| LTS One Management LP | 10,845 | $6.38M | 2.68% | +10,845 | New |
| ProShare Advisors LLC | 10,779 | $6.35M | 0.01% | −1,723−13.8% | Reduced |
| USS Investment Management Ltd | 10,605 | $6.25M | 0.03% | 00.0% | Unchanged |
| Washington Trust Bank | 10,589 | $6.23M | 0.46% | −610−5.4% | Reduced |
| US Bancorp | 10,582 | $6.23M | 0.01% | +95+0.9% | Added |
| Weik Capital Management | 10,440 | $6.15M | 2.45% | −34−0.3% | Reduced |
| Ancora Advisors, LLC | 10,430 | $6.14M | 0.13% | +10.0% | Added |
| Mutual of America Capital Management LLC | 10,421 | $6.13M | 0.07% | +356+3.5% | Added |
| Sequoia Financial Advisors, LLC | 10,326 | $6.08M | 0.03% | −2,098−16.9% | Reduced |
| Robbins Farley LLC | 10,217 | $6.01M | 2.66% | +73+0.7% | Added |
| Oppenheimer Asset Management Inc. | 10,161 | $5.98M | 0.07% | −251−2.4% | Reduced |
| Xponance, Inc. | 10,043 | $5.91M | 0.04% | +1,397+16.2% | Added |
| Obion Capital Management LP | 9,943 | $5.85M | 5.77% | +565+6.0% | Added |
| Brown Advisory Inc | 9,817 | $5.78M | 0.01% | −1,211−11.0% | Reduced |
| Utah Retirement Systems | 9,735 | $5.73M | 0.06% | −162−1.6% | Reduced |
| Public Sector Pension Investment Board | 9,717 | $5.72M | 0.02% | +1,889+24.1% | Added |
| Swiss Life Asset Management Ltd | 9,687 | $5.70M | 0.03% | +292+3.1% | Added |
| Nisa Investment Advisors, LLC | 9,603 | $5.65M | 0.02% | −269−2.7% | Reduced |
| Janney Montgomery Scott LLC | 9,295 | $5.47M | 0.01% | −56−0.6% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 9,284 | $5.47M | 0.01% | −340−3.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 9,226 | $5.43M | 0.05% | +37+0.4% | Added |
| New York Life Investment Management LLC | 8,979 | $5.29M | 0.04% | +224+2.6% | Added |
| Cambridge Investment Research Advisors, Inc. | 8,977 | $5.29M | 0.01% | +234+2.7% | Added |
| Bradley Foster & Sargent Inc | 8,888 | $5.23M | 0.08% | +8,888 | New |
| JustInvest LLC | 8,858 | $5.21M | 0.05% | +608+7.4% | Added |
| Prudential PLC | 8,757 | $5.16M | 0.04% | +7,749+768.8% | Added |
| Verition Fund Management LLC | 8,733 | $5.14M | 0.05% | −7,313−45.6% | Reduced |
| Canal Capital Management, LLC | 8,534 | $5.02M | 0.68% | +507+6.3% | Added |
| Commonwealth Equity Services, LLC | 8,496 | $5.00M | 0.01% | −336−3.8% | Reduced |
| Cercano Management LLC | 8,407 | $4.95M | 0.21% | −8,757−51.0% | Reduced |
| Bank of Nova Scotia | 8,407 | $4.95M | 0.01% | −1,028−10.9% | Reduced |
| Whittier Trust Co of Nevada Inc | 8,194 | $4.90M | 0.10% | +509+6.6% | Added |
| Lountzis Asset Management, LLC | 8,325 | $4.90M | 1.80% | −35−0.4% | Reduced |
| British Columbia Investment Management Corp | 8,313 | $4.89M | 0.03% | −2,370−22.2% | Reduced |
| Bessemer Group Inc | 8,309 | $4.89M | 0.01% | +327+4.1% | Added |
| Pinebridge Investments LLC | 8,310 | $4.89M | 0.04% | −229−2.7% | Reduced |
| Allstate Corp | 8,282 | $4.88M | 0.05% | +3,668+79.5% | Added |
| Susquehanna International Group, LLP | 8,248 | $4.86M | 0.01% | −30,306−78.6% | Reduced |
| Atria Investments LLC | 8,231 | $4.85M | 0.05% | +915+12.5% | Added |
| Vident Advisory, LLC | 8,171 | $4.81M | 0.04% | +640+8.5% | Added |
| NEOS Investment Management LLC | 8,146 | $4.80M | 0.02% | +4,494+123.1% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 8,033 | $4.73M | 0.04% | +112+1.4% | Added |
| Bluegrass Capital Partners LP | 8,000 | $4.71M | 3.39% | +1,000+14.3% | Added |
| HB Wealth Management, LLC | 7,845 | $4.62M | 0.03% | −32−0.4% | Reduced |
| Nissay Asset Management Corp | 7,764 | $4.57M | 0.02% | +107+1.4% | Added |
| Amica Mutual Insurance Co | 7,741 | $4.56M | 0.39% | +1,904+32.6% | Added |
| Bridger Management, LLC | 7,638 | $4.50M | 3.51% | +7,638 | New |
| SailingStone Capital Partners LLC | 7,620 | $4.49M | 1.02% | 00.0% | Unchanged |
| Southeast Asset Advisors Inc. | 7,487 | $4.41M | 0.48% | +31+0.4% | Added |
| Salem Investment Counselors Inc | 7,433 | $4.38M | 0.13% | −5−0.1% | Reduced |
| Mitchell Capital Management Co | 7,341 | $4.32M | 0.79% | +174+2.4% | Added |
| Mercer Global Advisors Inc | 7,248 | $4.27M | 0.01% | −241−3.2% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 7,213 | $4.23M | 0.03% | +169+2.4% | Added |
| Man Group plc | 7,082 | $4.17M | 0.01% | −4,342−38.0% | Reduced |
| Perigon Wealth Management, LLC | 7,069 | $4.16M | 0.08% | +2,108+42.5% | Added |
| Mackenzie Financial Corp | 6,948 | $4.09M | 0.00% | +579+9.1% | Added |
| Abn Amro Investment Solutions | 6,934 | $4.08M | 0.05% | −8,455−54.9% | Reduced |