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 |
|---|---|---|---|---|---|
| Utah Retirement Systems | 9,068 | $5.23M | 0.05% | −667−6.9% | Reduced |
| Canal Capital Management, LLC | 9,133 | $5.27M | 0.64% | +599+7.0% | Added |
| Renaissance Investment Group LLC | 9,364 | $5.40M | 1.06% | −2,360−20.1% | Reduced |
| NEOS Investment Management LLC | 9,378 | $5.41M | 0.02% | +1,232+15.1% | Added |
| Obion Capital Management LP | 9,443 | $5.45M | 4.63% | −500−5.0% | Reduced |
| Janney Montgomery Scott LLC | 9,499 | $5.48M | 0.01% | +204+2.2% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 9,516 | $5.49M | 0.01% | +232+2.5% | Added |
| Mn Services Vermogensbeheer B.V. | 9,700 | $5.59M | 0.04% | −13,803−58.7% | Reduced |
| Washington Trust Bank | 9,708 | $5.60M | 0.39% | −881−8.3% | Reduced |
| Public Sector Pension Investment Board | 9,724 | $5.61M | 0.01% | +7+0.1% | Added |
| Pinebridge Investments LLC | 9,792 | $5.65M | 0.05% | +1,482+17.8% | Added |
| US Bancorp | 9,817 | $5.66M | 0.01% | −765−7.2% | Reduced |
| Pelham Capital Ltd. | 9,857 | $5.68M | 3.24% | −8,623−46.7% | Reduced |
| Xponance, Inc. | 10,138 | $5.85M | 0.04% | +95+0.9% | Added |
| Mutual of America Capital Management LLC | 10,175 | $5.87M | 0.06% | −246−2.4% | Reduced |
| Weik Capital Management | 10,282 | $5.93M | 2.28% | −158−1.5% | Reduced |
| Ancora Advisors, LLC | 10,423 | $6.01M | 0.12% | −7−0.1% | Reduced |
| Amalgamated Bank | 10,441 | $6.02M | 0.04% | −627−5.7% | Reduced |
| O'Shaughnessy Asset Management, LLC | 10,557 | $6.09M | 0.03% | −2,851−21.3% | Reduced |
| Swiss Life Asset Management Ltd | 10,889 | $6.28M | 0.03% | +1,202+12.4% | Added |
| TD Waterhouse Canada Inc. | 10,981 | $6.36M | 0.02% | +244+2.3% | Added |
| Bridger Management, LLC | 11,055 | $6.38M | 4.25% | +3,417+44.7% | Added |
| Bradley Foster & Sargent Inc | 11,163 | $6.44M | 0.09% | +2,275+25.6% | Added |
| Socorro Asset Management LP | 11,200 | $6.46M | 2.90% | −372−3.2% | Reduced |
| SG Americas Securities, LLC | 11,253 | $6.49M | 0.00% | +4,870+76.3% | Added |
| ProShare Advisors LLC | 11,266 | $6.50M | 0.01% | +487+4.5% | Added |
| M&T Bank Corp | 11,377 | $6.56M | 0.02% | −1,118−8.9% | Reduced |
| Brown Advisory Inc | 11,395 | $6.57M | 0.01% | +1,578+16.1% | Added |
| Ethic Inc. | 11,767 | $6.79M | 0.08% | −435−3.6% | Reduced |
| IMC-Chicago, LLC | 11,824 | $6.82M | 0.06% | +9,824+491.2% | Added |
| Sequoia Financial Advisors, LLC | 12,292 | $7.09M | 0.04% | +1,966+19.0% | Added |
| Robbins Farley LLC | 12,348 | $7.12M | 2.73% | +2,131+20.9% | Added |
| Retirement Systems of Alabama | 12,614 | $7.27M | 0.02% | −194−1.5% | Reduced |
| SEB Asset Management AB | 12,640 | $7.29M | 0.03% | +424+3.5% | Added |
| Woodline Partners LP | 13,117 | $7.56M | 0.02% | −57,821−81.5% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,263 | $7.65M | 0.04% | −785−5.6% | Reduced |
| Mader & Shannon Wealth Management, Inc. | 13,665 | $7.88M | 3.68% | +263+2.0% | Added |
| MetLife Investment Management | 13,734 | $7.92M | 0.04% | −353−2.5% | Reduced |
| D.A. Davidson & Co. | 13,841 | $7.98M | 0.04% | +406+3.0% | Added |
| First Trust Advisors LP | 13,901 | $8.02M | 0.00% | −6,408−31.6% | Reduced |
| Harvey Capital Management Inc | 14,095 | $8.13M | 1.67% | −395−2.7% | Reduced |
| DnB Asset Management AS | 14,135 | $8.15M | 0.02% | −311−2.2% | Reduced |
| Cetera Investment Advisers | 14,412 | $8.31M | 0.01% | −666−4.4% | Reduced |
| IFM Investors Pty Ltd | 14,591 | $8.41M | 0.06% | +1,571+12.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 14,870 | $8.58M | 0.02% | +1,213+8.9% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 14,950 | $8.65M | 0.02% | +11,920+393.4% | Added |
| Westwood Holdings Group Inc. | 15,093 | $8.70M | 0.07% | −442−2.8% | Reduced |
| Colony Group, LLC | 15,120 | $8.72M | 0.01% | −372−2.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 15,184 | $8.76M | 0.02% | −7,561−33.2% | Reduced |
| Rockefeller Capital Management L.P. | 15,200 | $8.77M | 0.01% | −1,570−9.4% | Reduced |
| State of Michigan Retirement System | 15,337 | $8.84M | 0.04% | −400−2.5% | Reduced |
| Artisan Partners Limited Partnership | 16,004 | $9.23M | 0.02% | +16,004 | New |
| Royal London Asset Management Ltd | 16,349 | $9.43M | 0.02% | +215+1.3% | Added |
| Turtle Creek Wealth Advisors, LLC | 16,497 | $9.51M | 0.50% | +1,939+13.3% | Added |
| Storebrand Asset Management AS | 16,956 | $9.78M | 0.02% | −1,362−7.4% | Reduced |
| Bluegrass Capital Partners LP | 17,000 | $9.80M | 6.37% | +9,000+112.5% | Added |
| Public Employees Retirement System of Ohio | 17,027 | $9.82M | 0.03% | −428−2.5% | Reduced |
| SIH Partners, LLLP | 17,069 | $9.84M | 0.41% | +17,069 | New |
| Truist Financial Corp | 17,090 | $9.86M | 0.01% | −649−3.7% | Reduced |
| Czech National Bank | 17,091 | $9.86M | 0.05% | +667+4.1% | Added |
| Arizona State Retirement System | 17,276 | $9.96M | 0.05% | +895+5.5% | Added |
| Lazard Asset Management LLC | 17,345 | $10.0M | 0.02% | +464+2.7% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 17,532 | $10.1M | 0.08% | −20,900−54.4% | Reduced |
| ExodusPoint Capital Management, LP | 17,535 | $10.1M | 0.09% | +12,664+260.0% | Added |
| Resona Asset Management Co.,Ltd. | 17,864 | $10.3M | 0.05% | −1,041−5.5% | Reduced |
| Mariner, LLC | 17,924 | $10.3M | 0.01% | −10,675−37.3% | Reduced |
| Thrivent Financial for Lutherans | 18,128 | $10.5M | 0.02% | +664+3.8% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 18,129 | $10.5M | 0.05% | −1,188−6.2% | Reduced |
| Adage Capital Partners GP, L.L.C. | 18,539 | $10.7M | 0.01% | +18,539 | New |
| Tocqueville Asset Management L.P. | 18,810 | $10.8M | 0.14% | −27−0.1% | Reduced |
| Toroso Investments, LLC | 18,955 | $10.9M | 0.03% | −641−3.3% | Reduced |
| Nitorum Capital, L.P. | 19,027 | $11.0M | 7.47% | +1,440+8.2% | Added |
| Sirios Capital Management L P | 19,056 | $11.0M | 1.34% | +4,152+27.9% | Added |
| State of New Jersey Common Pension Fund D | 19,254 | $11.1M | 0.04% | −1,045−5.1% | Reduced |
| Fifth Third Bancorp | 19,649 | $11.3M | 0.02% | −1,450−6.9% | Reduced |
| USS Investment Management Ltd | 19,800 | $11.4M | 0.05% | +9,195+86.7% | Added |
| PFA Pension, Forsikringsaktieselskab | 19,909 | $11.5M | 0.03% | +114+0.6% | Added |
| Susquehanna Portfolio Strategies, LLC | 20,075 | $11.6M | 0.18% | −25,918−56.4% | Reduced |
| Toronto Dominion Bank | 20,257 | $11.7M | 0.02% | +444+2.2% | Added |
| Daiwa Securities Group Inc. | 20,277 | $11.7M | 0.03% | −404−2.0% | Reduced |
| Voya Investment Management LLC | 20,493 | $11.8M | 0.01% | −1,325−6.1% | Reduced |
| TriCert Investment Counsel Inc. | 20,613 | $11.9M | 1.11% | +20,613 | New |
| Advisors Asset Management, Inc. | 20,685 | $11.9M | 0.18% | −351−1.7% | Reduced |
| Sapient Capital LLC | 20,772 | $12.0M | 0.16% | −381−1.8% | Reduced |
| State of Tennessee, Treasury Department | 21,181 | $12.2M | 0.04% | −140−0.7% | Reduced |
| Susquehanna International Group, LLP | 21,305 | $12.3M | 0.01% | +13,057+158.3% | Added |
| Nomura Asset Management Co Ltd | 21,318 | $12.3M | 0.03% | +149+0.7% | Added |
| Savant Capital, LLC | 22,086 | $12.4M | 0.04% | +19,627+798.2% | Added |
| Cerity Partners LLC | 21,542 | $12.4M | 0.02% | −2,965−12.1% | Reduced |
| Williams Jones Wealth Management, LLC. | 21,747 | $12.5M | 0.14% | +549+2.6% | Added |
| Pathstone Holdings, LLC | 22,017 | $12.7M | 0.04% | −1,782−7.5% | Reduced |
| CIBC Asset Management Inc | 22,275 | $12.8M | 0.03% | −280−1.2% | Reduced |
| Nykredit A/S | 22,287 | $12.9M | 0.05% | +22,287 | New |
| Sagefield Capital LP | 22,336 | $12.9M | 0.96% | +2,694+13.7% | Added |
| NorthCrest Asset Manangement, LLC | 22,675 | $13.0M | 0.33% | +853+3.9% | Added |
| Fred Alger Management, LLC | 22,501 | $13.0M | 0.04% | −29,772−57.0% | Reduced |
| Whittier Trust Co | 21,771 | $13.2M | 0.13% | +23+0.1% | Added |
| Teachers Retirement System of the State of Kentucky | 22,928 | $13.2M | 0.09% | +3,500+18.0% | Added |
| KLP Kapitalforvaltning AS | 23,133 | $13.3M | 0.04% | +1,440+6.6% | Added |
| SailingStone Capital Partners LLC | 23,147 | $13.3M | 2.50% | +15,527+203.8% | Added |