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, Q2 2026
Institutional positions in Martin Marietta Materials Inc as of Jun 30, 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
- 1,079
- +13 vs. Q1 2026
- Shares held
- 59.2M
- +954.3K (+1.6%) vs. Q1 2026
- Total value
- $34.2B
- −$107.1M (−0.3%) vs. Q1 2026
- New holders
- 110
- 363 more added
- Sold out
- 97
- 395 more reduced
11 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Toronto Dominion Bank | 20,257 | $11.7M | 0.02% | +444+2.2% | Added |
| Susquehanna Portfolio Strategies, LLC | 20,075 | $11.6M | 0.18% | −25,918−56.4% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 19,909 | $11.5M | 0.03% | +114+0.6% | Added |
| USS Investment Management Ltd | 19,800 | $11.4M | 0.05% | +9,195+86.7% | Added |
| Fifth Third Bancorp | 19,649 | $11.3M | 0.02% | −1,450−6.9% | Reduced |
| State of New Jersey Common Pension Fund D | 19,254 | $11.1M | 0.04% | −1,045−5.1% | Reduced |
| Sirios Capital Management L P | 19,056 | $11.0M | 1.34% | +4,152+27.9% | Added |
| Nitorum Capital, L.P. | 19,027 | $11.0M | 7.47% | +1,440+8.2% | Added |
| Toroso Investments, LLC | 18,955 | $10.9M | 0.03% | −641−3.3% | Reduced |
| Tocqueville Asset Management L.P. | 18,810 | $10.8M | 0.14% | −27−0.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 18,539 | $10.7M | 0.01% | +18,539 | New |
| Lansforsakringar Fondforvaltning AB (publ) | 18,129 | $10.5M | 0.05% | −1,188−6.2% | Reduced |
| Thrivent Financial for Lutherans | 18,128 | $10.5M | 0.02% | +664+3.8% | Added |
| Mariner, LLC | 17,924 | $10.3M | 0.01% | −10,675−37.3% | Reduced |
| Resona Asset Management Co.,Ltd. | 17,864 | $10.3M | 0.05% | −1,041−5.5% | Reduced |
| ExodusPoint Capital Management, LP | 17,535 | $10.1M | 0.09% | +12,664+260.0% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 17,532 | $10.1M | 0.08% | −20,900−54.4% | Reduced |
| Lazard Asset Management LLC | 17,345 | $10.0M | 0.02% | +464+2.7% | Added |
| Arizona State Retirement System | 17,276 | $9.96M | 0.05% | +895+5.5% | Added |
| Czech National Bank | 17,091 | $9.86M | 0.05% | +667+4.1% | Added |
| Truist Financial Corp | 17,090 | $9.86M | 0.01% | −649−3.7% | Reduced |
| SIH Partners, LLLP | 17,069 | $9.84M | 0.41% | +17,069 | New |
| Public Employees Retirement System of Ohio | 17,027 | $9.82M | 0.03% | −428−2.5% | Reduced |
| Bluegrass Capital Partners LP | 17,000 | $9.80M | 6.37% | +9,000+112.5% | Added |
| Storebrand Asset Management AS | 16,956 | $9.78M | 0.02% | −1,362−7.4% | Reduced |
| Turtle Creek Wealth Advisors, LLC | 16,497 | $9.51M | 0.50% | +1,939+13.3% | Added |
| Royal London Asset Management Ltd | 16,349 | $9.43M | 0.02% | +215+1.3% | Added |
| Artisan Partners Limited Partnership | 16,004 | $9.23M | 0.02% | +16,004 | New |
| State of Michigan Retirement System | 15,337 | $8.84M | 0.04% | −400−2.5% | Reduced |
| Rockefeller Capital Management L.P. | 15,200 | $8.77M | 0.01% | −1,570−9.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 15,184 | $8.76M | 0.02% | −7,561−33.2% | Reduced |
| Colony Group, LLC | 15,120 | $8.72M | 0.01% | −372−2.4% | Reduced |
| Westwood Holdings Group Inc. | 15,093 | $8.70M | 0.07% | −442−2.8% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 14,950 | $8.65M | 0.02% | +11,920+393.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 14,870 | $8.58M | 0.02% | +1,213+8.9% | Added |
| IFM Investors Pty Ltd | 14,591 | $8.41M | 0.06% | +1,571+12.1% | Added |
| Cetera Investment Advisers | 14,412 | $8.31M | 0.01% | −666−4.4% | Reduced |
| DnB Asset Management AS | 14,135 | $8.15M | 0.02% | −311−2.2% | Reduced |
| Harvey Capital Management Inc | 14,095 | $8.13M | 1.67% | −395−2.7% | Reduced |
| First Trust Advisors LP | 13,901 | $8.02M | 0.00% | −6,408−31.6% | Reduced |
| D.A. Davidson & Co. | 13,841 | $7.98M | 0.04% | +406+3.0% | Added |
| MetLife Investment Management | 13,734 | $7.92M | 0.04% | −353−2.5% | Reduced |
| Mader & Shannon Wealth Management, Inc. | 13,665 | $7.88M | 3.68% | +263+2.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,263 | $7.65M | 0.04% | −785−5.6% | Reduced |
| Woodline Partners LP | 13,117 | $7.56M | 0.02% | −57,821−81.5% | Reduced |
| SEB Asset Management AB | 12,640 | $7.29M | 0.03% | +424+3.5% | Added |
| Retirement Systems of Alabama | 12,614 | $7.27M | 0.02% | −194−1.5% | Reduced |
| Robbins Farley LLC | 12,348 | $7.12M | 2.73% | +2,131+20.9% | Added |
| Sequoia Financial Advisors, LLC | 12,292 | $7.09M | 0.04% | +1,966+19.0% | Added |
| IMC-Chicago, LLC | 11,824 | $6.82M | 0.06% | +9,824+491.2% | Added |
| Ethic Inc. | 11,767 | $6.79M | 0.08% | −435−3.6% | Reduced |
| Brown Advisory Inc | 11,395 | $6.57M | 0.01% | +1,578+16.1% | Added |
| M&T Bank Corp | 11,377 | $6.56M | 0.02% | −1,118−8.9% | Reduced |
| ProShare Advisors LLC | 11,266 | $6.50M | 0.01% | +487+4.5% | Added |
| SG Americas Securities, LLC | 11,253 | $6.49M | 0.00% | +4,870+76.3% | Added |
| Socorro Asset Management LP | 11,200 | $6.46M | 2.90% | −372−3.2% | Reduced |
| Bradley Foster & Sargent Inc | 11,163 | $6.44M | 0.09% | +2,275+25.6% | Added |
| Bridger Management, LLC | 11,055 | $6.38M | 4.25% | +3,417+44.7% | Added |
| TD Waterhouse Canada Inc. | 10,981 | $6.36M | 0.02% | +244+2.3% | Added |
| Swiss Life Asset Management Ltd | 10,889 | $6.28M | 0.03% | +1,202+12.4% | Added |
| O'Shaughnessy Asset Management, LLC | 10,557 | $6.09M | 0.03% | −2,851−21.3% | Reduced |
| Amalgamated Bank | 10,441 | $6.02M | 0.04% | −627−5.7% | Reduced |
| Ancora Advisors, LLC | 10,423 | $6.01M | 0.12% | −7−0.1% | Reduced |
| Weik Capital Management | 10,282 | $5.93M | 2.28% | −158−1.5% | Reduced |
| Mutual of America Capital Management LLC | 10,175 | $5.87M | 0.06% | −246−2.4% | Reduced |
| Xponance, Inc. | 10,138 | $5.85M | 0.04% | +95+0.9% | Added |
| Pelham Capital Ltd. | 9,857 | $5.68M | 3.24% | −8,623−46.7% | Reduced |
| US Bancorp | 9,817 | $5.66M | 0.01% | −765−7.2% | Reduced |
| Pinebridge Investments LLC | 9,792 | $5.65M | 0.05% | +1,482+17.8% | Added |
| Public Sector Pension Investment Board | 9,724 | $5.61M | 0.01% | +7+0.1% | Added |
| Washington Trust Bank | 9,708 | $5.60M | 0.39% | −881−8.3% | Reduced |
| Mn Services Vermogensbeheer B.V. | 9,700 | $5.59M | 0.04% | −13,803−58.7% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 9,516 | $5.49M | 0.01% | +232+2.5% | Added |
| Janney Montgomery Scott LLC | 9,499 | $5.48M | 0.01% | +204+2.2% | Added |
| Obion Capital Management LP | 9,443 | $5.45M | 4.63% | −500−5.0% | Reduced |
| NEOS Investment Management LLC | 9,378 | $5.41M | 0.02% | +1,232+15.1% | Added |
| Renaissance Investment Group LLC | 9,364 | $5.40M | 1.06% | −2,360−20.1% | Reduced |
| Canal Capital Management, LLC | 9,133 | $5.27M | 0.64% | +599+7.0% | Added |
| Utah Retirement Systems | 9,068 | $5.23M | 0.05% | −667−6.9% | Reduced |
| Symmetry Investments LP | 9,046 | $5.22M | 0.58% | +9,046 | New |
| British Columbia Investment Management Corp | 9,030 | $5.21M | 0.03% | +717+8.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 9,006 | $5.19M | 0.04% | −220−2.4% | Reduced |
| Aquatic Capital Management LLC | 8,989 | $5.18M | 0.18% | +8,989 | New |
| New York Life Investment Management LLC | 8,933 | $5.15M | 0.04% | −46−0.5% | Reduced |
| Abc Arbitrage SA | 8,888 | $5.13M | 0.55% | +5,953+202.8% | Added |
| JustInvest LLC | 8,836 | $5.10M | 0.04% | −22−0.2% | Reduced |
| Prudential PLC | 8,757 | $5.05M | 0.04% | 00.0% | Unchanged |
| IFP Advisors, Inc | 8,714 | $5.03M | 0.09% | +2,227+34.3% | Added |
| Avanza Fonder AB | 8,713 | $5.02M | 0.11% | +1,787+25.8% | Added |
| Whittier Trust Co of Nevada Inc | 8,259 | $4.91M | 0.09% | +65+0.8% | Added |
| OpenArc Corporate Advisory, LLC | 8,486 | $4.89M | 0.06% | −5,048−37.3% | Reduced |
| Vestmark Advisory Solutions, Inc. | 8,332 | $4.80M | 0.05% | −3,279−28.2% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 8,261 | $4.76M | 0.03% | +228+2.8% | Added |
| Lountzis Asset Management, LLC | 8,179 | $4.72M | 1.49% | −146−1.8% | Reduced |
| Nissay Asset Management Corp | 8,074 | $4.66M | 0.02% | +310+4.0% | Added |
| Commonwealth Equity Services, LLC | 8,033 | $4.63M | 0.01% | −463−5.4% | Reduced |
| Nisa Investment Advisors, LLC | 7,724 | $4.45M | 0.01% | −1,879−19.6% | Reduced |
| Atria Investments LLC | 7,653 | $4.41M | 0.04% | −578−7.0% | Reduced |
| Macquarie Group Ltd | 7,571 | $4.37M | 0.02% | +2,322+44.2% | Added |
| Southeast Asset Advisors Inc. | 7,474 | $4.31M | 0.44% | −13−0.2% | Reduced |