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 |
|---|---|---|---|---|---|
| British Columbia Investment Management Corp | 8,313 | $4.89M | 0.03% | −2,370−22.2% | Reduced |
| Lountzis Asset Management, LLC | 8,325 | $4.90M | 1.80% | −35−0.4% | Reduced |
| Whittier Trust Co of Nevada Inc | 8,194 | $4.90M | 0.10% | +509+6.6% | Added |
| 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 |
| Commonwealth Equity Services, LLC | 8,496 | $5.00M | 0.01% | −336−3.8% | Reduced |
| Canal Capital Management, LLC | 8,534 | $5.02M | 0.68% | +507+6.3% | Added |
| Verition Fund Management LLC | 8,733 | $5.14M | 0.05% | −7,313−45.6% | Reduced |
| Prudential PLC | 8,757 | $5.16M | 0.04% | +7,749+768.8% | Added |
| JustInvest LLC | 8,858 | $5.21M | 0.05% | +608+7.4% | Added |
| Bradley Foster & Sargent Inc | 8,888 | $5.23M | 0.08% | +8,888 | New |
| Cambridge Investment Research Advisors, Inc. | 8,977 | $5.29M | 0.01% | +234+2.7% | Added |
| New York Life Investment Management LLC | 8,979 | $5.29M | 0.04% | +224+2.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 9,226 | $5.43M | 0.05% | +37+0.4% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 9,284 | $5.47M | 0.01% | −340−3.5% | Reduced |
| Janney Montgomery Scott LLC | 9,295 | $5.47M | 0.01% | −56−0.6% | Reduced |
| Nisa Investment Advisors, LLC | 9,603 | $5.65M | 0.02% | −269−2.7% | Reduced |
| Swiss Life Asset Management Ltd | 9,687 | $5.70M | 0.03% | +292+3.1% | Added |
| Public Sector Pension Investment Board | 9,717 | $5.72M | 0.02% | +1,889+24.1% | Added |
| Utah Retirement Systems | 9,735 | $5.73M | 0.06% | −162−1.6% | Reduced |
| Brown Advisory Inc | 9,817 | $5.78M | 0.01% | −1,211−11.0% | Reduced |
| Obion Capital Management LP | 9,943 | $5.85M | 5.77% | +565+6.0% | Added |
| Xponance, Inc. | 10,043 | $5.91M | 0.04% | +1,397+16.2% | Added |
| Oppenheimer Asset Management Inc. | 10,161 | $5.98M | 0.07% | −251−2.4% | Reduced |
| Robbins Farley LLC | 10,217 | $6.01M | 2.66% | +73+0.7% | Added |
| Sequoia Financial Advisors, LLC | 10,326 | $6.08M | 0.03% | −2,098−16.9% | Reduced |
| Mutual of America Capital Management LLC | 10,421 | $6.13M | 0.07% | +356+3.5% | Added |
| Ancora Advisors, LLC | 10,430 | $6.14M | 0.13% | +10.0% | Added |
| Weik Capital Management | 10,440 | $6.15M | 2.45% | −34−0.3% | Reduced |
| US Bancorp | 10,582 | $6.23M | 0.01% | +95+0.9% | Added |
| Washington Trust Bank | 10,589 | $6.23M | 0.46% | −610−5.4% | Reduced |
| USS Investment Management Ltd | 10,605 | $6.25M | 0.03% | 00.0% | Unchanged |
| ProShare Advisors LLC | 10,779 | $6.35M | 0.01% | −1,723−13.8% | Reduced |
| LTS One Management LP | 10,845 | $6.38M | 2.68% | +10,845 | New |
| TD Waterhouse Canada Inc. | 10,737 | $6.42M | 0.02% | +5,216+94.5% | Added |
| Amalgamated Bank | 11,068 | $6.52M | 0.05% | −210−1.9% | Reduced |
| Eurizon Capital SGR S.p.A. | 11,325 | $6.66M | 0.02% | −1,322−10.5% | Reduced |
| Socorro Asset Management LP | 11,572 | $6.81M | 3.08% | −2,322−16.7% | Reduced |
| Vestmark Advisory Solutions, Inc. | 11,611 | $6.84M | 0.08% | +2,713+30.5% | Added |
| Renaissance Investment Group LLC | 11,724 | $6.90M | 1.48% | −593−4.8% | Reduced |
| Ethic Inc. | 12,202 | $7.18M | 0.11% | +1,458+13.6% | Added |
| SEB Asset Management AB | 12,216 | $7.19M | 0.03% | +12,216 | New |
| M&T Bank Corp | 12,495 | $7.36M | 0.02% | −1,850−12.9% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 12,532 | $7.38M | 0.14% | +12,532 | New |
| Retirement Systems of Alabama | 12,808 | $7.54M | 0.03% | −22−0.2% | Reduced |
| IFM Investors Pty Ltd | 13,020 | $7.66M | 0.06% | +1,454+12.6% | Added |
| Mader & Shannon Wealth Management, Inc. | 13,402 | $7.89M | 3.65% | +1,801+15.5% | Added |
| O'Shaughnessy Asset Management, LLC | 13,408 | $7.89M | 0.04% | +1,933+16.8% | Added |
| D.A. Davidson & Co. | 13,435 | $7.91M | 0.05% | −900−6.3% | Reduced |
| OpenArc Corporate Advisory, LLC | 13,534 | $7.97M | 0.11% | +1,014+8.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 13,657 | $8.04M | 0.02% | +1,904+16.2% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 14,048 | $8.27M | 0.04% | +20+0.1% | Added |
| MetLife Investment Management | 14,087 | $8.29M | 0.04% | −367−2.5% | Reduced |
| DnB Asset Management AS | 14,446 | $8.50M | 0.03% | +1,253+9.5% | Added |
| Harvey Capital Management Inc | 14,490 | $8.53M | 1.94% | −112−0.8% | Reduced |
| Turtle Creek Wealth Advisors, LLC | 14,558 | $8.57M | 0.65% | +1,615+12.5% | Added |
| Millennium Management LLC | 14,861 | $8.75M | 0.01% | −74,832−83.4% | Reduced |
| Sirios Capital Management L P | 14,904 | $8.77M | 1.06% | +14,904 | New |
| Andra AP-fonden | 14,947 | $8.80M | 0.11% | +14,947 | New |
| Cetera Investment Advisers | 15,078 | $8.88M | 0.01% | +416+2.8% | Added |
| Colony Group, LLC | 15,492 | $9.13M | 0.01% | −19−0.1% | Reduced |
| Westwood Holdings Group Inc. | 15,535 | $9.15M | 0.07% | −732−4.5% | Reduced |
| State of Michigan Retirement System | 15,737 | $9.26M | 0.05% | −100−0.6% | Reduced |
| Royal London Asset Management Ltd | 16,134 | $9.50M | 0.02% | 00.0% | Unchanged |
| Arizona State Retirement System | 16,381 | $9.64M | 0.06% | −196−1.2% | Reduced |
| Czech National Bank | 16,424 | $9.67M | 0.06% | +522+3.3% | Added |
| Citadel Advisors LLC | 16,730 | $9.85M | 0.01% | −72,204−81.2% | Reduced |
| Rockefeller Capital Management L.P. | 16,770 | $9.87M | 0.02% | +2,388+16.6% | Added |
| Lazard Asset Management LLC | 16,881 | $9.94M | 0.02% | +1,003+6.3% | Added |
| Public Employees Retirement System of Ohio | 17,455 | $10.3M | 0.03% | −595−3.3% | Reduced |
| Thrivent Financial for Lutherans | 17,464 | $10.3M | 0.02% | −1,011−5.5% | Reduced |
| Nitorum Capital, L.P. | 17,587 | $10.4M | 9.09% | −55,598−76.0% | Reduced |
| Truist Financial Corp | 17,739 | $10.4M | 0.01% | −732−4.0% | Reduced |
| Storebrand Asset Management AS | 18,318 | $10.8M | 0.03% | −93−0.5% | Reduced |
| Pelham Capital Ltd. | 18,480 | $10.9M | 8.53% | −6,338−25.5% | Reduced |
| Resona Asset Management Co.,Ltd. | 18,905 | $11.1M | 0.06% | +181+1.0% | Added |
| Tocqueville Asset Management L.P. | 18,837 | $11.1M | 0.16% | −658−3.4% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 19,317 | $11.4M | 0.06% | −192−1.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 19,428 | $11.4M | 0.09% | −2,320−10.7% | Reduced |
| Toroso Investments, LLC | 19,596 | $11.5M | 0.04% | +12,086+160.9% | Added |
| Sagefield Capital LP | 19,642 | $11.6M | 0.83% | −143−0.7% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 19,795 | $11.7M | 0.04% | +69+0.3% | Added |
| Toronto Dominion Bank | 19,813 | $11.7M | 0.02% | −2,492−11.2% | Reduced |
| State of New Jersey Common Pension Fund D | 20,299 | $11.9M | 0.05% | 00.0% | Unchanged |
| First Trust Advisors LP | 20,309 | $12.0M | 0.01% | −3,697−15.4% | Reduced |
| Daiwa Securities Group Inc. | 20,681 | $12.2M | 0.04% | −1,678−7.5% | Reduced |
| Advisors Asset Management, Inc. | 21,036 | $12.4M | 0.21% | +1,051+5.3% | Added |
| Fifth Third Bancorp | 21,099 | $12.4M | 0.02% | +13,054+162.3% | Added |
| Sapient Capital LLC | 21,153 | $12.4M | 0.19% | −5,728−21.3% | Reduced |
| Nomura Asset Management Co Ltd | 21,169 | $12.5M | 0.03% | +881+4.3% | Added |
| GDS Wealth Management | 21,197 | $12.5M | 0.75% | +2,059+10.8% | Added |
| Williams Jones Wealth Management, LLC. | 21,198 | $12.5M | 0.15% | −132−0.6% | Reduced |
| State of Tennessee, Treasury Department | 21,321 | $12.6M | 0.04% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 21,693 | $12.8M | 0.05% | 00.0% | Unchanged |
| FIL Ltd | 21,744 | $12.8M | 0.01% | −37,838−63.5% | Reduced |
| Voya Investment Management LLC | 21,818 | $12.8M | 0.01% | +3,499+19.1% | Added |
| Gotham Asset Management, LLC | 21,970 | $12.9M | 0.04% | +7,085+47.6% | Added |
| Whittier Trust Co | 21,748 | $13.0M | 0.15% | +1,680+8.4% | Added |
| NorthCrest Asset Manangement, LLC | 21,822 | $13.0M | 0.41% | −7,863−26.5% | Reduced |
| CIBC Asset Management Inc | 22,555 | $13.3M | 0.03% | +522+2.4% | Added |