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, Q4 2025
Institutional positions in Martin Marietta Materials Inc as of Dec 31, 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
- 1,117
- +83 vs. Q3 2025
- Shares held
- 59.6M
- +1.51M (+2.6%) vs. Q3 2025
- Total value
- $37.1B
- +$525.1M (+1.4%) vs. Q3 2025
- New holders
- 155
- 362 more added
- Sold out
- 72
- 352 more reduced
19 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Curated Wealth Partners LLC | 1,821 | $1.13M | 0.12% | +251+16.0% | Added |
| NVWM, LLC | 1,799 | $1.12M | 0.24% | −71−3.8% | Reduced |
| United Capital Financial Advisers, LLC | 1,797 | $1.12M | 0.01% | −394−18.0% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 1,790 | $1.11M | 0.01% | −760−29.8% | Reduced |
| Guggenheim Capital LLC | 1,790 | $1.11M | 0.01% | +1+0.1% | Added |
| Steward Partners Investment Advisory, LLC | 1,788 | $1.11M | 0.01% | −638−26.3% | Reduced |
| IFP Advisors, Inc | 1,784 | $1.11M | 0.02% | +867+94.5% | Added |
| MAI Capital Management | 1,780 | $1.11M | 0.01% | −104−5.5% | Reduced |
| Horizon Investments, LLC | 1,775 | $1.11M | 0.01% | −183−9.3% | Reduced |
| Ironsides Asset Advisors, LLC | 1,773 | $1.10M | 0.28% | 00.0% | Unchanged |
| Castleark Management LLC | 1,760 | $1.10M | 0.03% | +1,760 | New |
| Princeton Capital Management LLC | 1,752 | $1.09M | 0.28% | 00.0% | Unchanged |
| Warren Averett Asset Management, LLC | 1,728 | $1.08M | 0.01% | −123−6.6% | Reduced |
| Argyle Capital Partners, LLC | 1,702 | $1.06M | 0.77% | 00.0% | Unchanged |
| Securian Asset Management, Inc | 1,693 | $1.05M | 0.04% | −1,236−42.2% | Reduced |
| Qsemble Capital Management, LP | 1,648 | $1.03M | 0.08% | +1,648 | New |
| MUFG Securities Americas Inc. | 1,625 | $1.01M | 0.06% | −2−0.1% | Reduced |
| State of Wyoming | 1,615 | $1.01M | 0.11% | +462+40.1% | Added |
| Polymer Capital Management (US) LLC | 1,600 | $996.3K | 0.13% | +1,600 | New |
| SevenBridge Financial Group, LLC | 1,522 | $992.0K | 0.16% | 00.0% | Unchanged |
| Simon Quick Advisors, LLC | 1,583 | $985.8K | 0.04% | −1,796−53.2% | Reduced |
| Kentucky Retirement Systems Insurance Trust Fund | 1,578 | $982.6K | 0.06% | 00.0% | Unchanged |
| Wahed Invest LLC | 1,577 | $981.9K | 0.13% | −63−3.8% | Reduced |
| Nomura Holdings Inc | 1,564 | $973.8K | 0.00% | −1,528−49.4% | Reduced |
| Proficio Capital Partners LLC | 1,556 | $968.9K | 0.07% | −1−0.1% | Reduced |
| Worthington Financial Partners, LLC | 1,553 | $967.0K | 0.86% | +1,553 | New |
| Benjamin Edwards Inc | 1,542 | $960.1K | 0.01% | +2+0.1% | Added |
| Mount Yale Investment Advisors, LLC | 1,526 | $950.3K | 0.05% | +764+100.3% | Added |
| Cullen/Frost Bankers, Inc. | 1,517 | $944.4K | 0.01% | +31+2.1% | Added |
| Laird Norton Trust Company, LLC | 1,502 | $935.2K | 0.02% | +1,502 | New |
| Texas Yale Capital Corp. | 1,489 | $927.1K | 0.03% | 00.0% | Unchanged |
| Chesapeake Capital Corp | 1,488 | $926.5K | 0.78% | +13+0.9% | Added |
| Canada Post Corp Registered Pension Plan | 1,487 | $925.9K | 0.04% | +320+27.4% | Added |
| V-Square Quantitative Management LLC | 1,487 | $925.9K | 0.10% | +1,487 | New |
| Ballentine Partners, LLC | 1,479 | $920.9K | 0.01% | +2+0.1% | Added |
| AlTi Global, Inc. | 1,478 | $920.3K | 0.02% | −21−1.4% | Reduced |
| Qtron Investments LLC | 1,471 | $915.9K | 0.12% | 00.0% | Unchanged |
| Fayez Sarofim & Co | 1,468 | $914.1K | 0.00% | 00.0% | Unchanged |
| Global Trust Asset Management, LLC | 1,459 | $908.1K | 0.36% | −133−8.4% | Reduced |
| Boston Private Wealth LLC | 1,441 | $897.0K | 0.05% | −6−0.4% | Reduced |
| Signaturefd, LLC | 1,437 | $895.1K | 0.01% | +167+13.1% | Added |
| Burling Wealth Partners, LLC | 1,436 | $894.1K | 0.14% | −8−0.6% | Reduced |
| Walleye Trading LLC | 1,418 | $882.9K | 0.01% | −211−13.0% | Reduced |
| Colonial Trust Advisors | 1,404 | $874.2K | 0.07% | 00.0% | Unchanged |
| Signature Wealth Management Partners, LLC | 1,396 | $869.2K | 0.43% | 00.0% | Unchanged |
| Park Avenue Securities LLC | 1,395 | $869.0K | 0.01% | +52+3.9% | Added |
| Parallel Advisors, LLC | 1,390 | $865.8K | 0.02% | −19−1.3% | Reduced |
| Syon Capital LLC | 1,375 | $856.2K | 0.04% | +166+13.7% | Added |
| Forum Financial Management, LP | 1,370 | $853.0K | 0.01% | −4−0.3% | Reduced |
| Colonial River Wealth Management, LLC | 1,358 | $845.6K | 0.30% | +884+186.5% | Added |
| Empire Financial Management Company, LLC | 1,352 | $841.8K | 0.18% | 00.0% | Unchanged |
| Essex Investment Management Co LLC | 1,333 | $830.0K | 0.13% | 00.0% | Unchanged |
| Concurrent Investment Advisors, LLC | 1,332 | $829.5K | 0.01% | +353+36.1% | Added |
| EP Wealth Advisors, LLC | 1,330 | $827.9K | 0.00% | +1,330 | New |
| Banque Cantonale Vaudoise | 1,322 | $823.0K | 0.03% | +8+0.6% | Added |
| First National Bank of Hutchinson | 1,307 | $813.8K | 0.48% | −778−37.3% | Reduced |
| Marnell Management LLC | 1,295 | $806.3K | 0.61% | +1,295 | New |
| Spire Wealth Management | 1,293 | $805.4K | 0.03% | +438+51.2% | Added |
| Beacon Pointe Advisors, LLC | 1,290 | $803.4K | 0.01% | +581+81.9% | Added |
| Supplemental Annuity Collective Trust of NJ | 1,270 | $790.8K | 0.20% | 00.0% | Unchanged |
| Profund Advisors LLC | 1,267 | $788.9K | 0.02% | −139−9.9% | Reduced |
| Vestcor Inc | 1,266 | $788.0K | 0.02% | 00.0% | Unchanged |
| Checchi Capital Advisers, LLC | 1,261 | $785.2K | 0.05% | −5−0.4% | Reduced |
| Kapstone Financial Advisors LLC | 1,258 | $783.3K | 0.39% | −34−2.6% | Reduced |
| Strategy Asset Managers LLC | 1,232 | $767.1K | 0.13% | 00.0% | Unchanged |
| Crewe Advisors LLC | 1,226 | $763.4K | 0.07% | −135−9.9% | Reduced |
| Lighthouse Investment Partners, LLC | 1,220 | $759.6K | 0.03% | −575−32.0% | Reduced |
| Bridgewealth Advisory Group, LLC | 1,208 | $751.9K | 0.17% | +2+0.2% | Added |
| Paladin Wealth, LLC | 1,196 | $744.7K | 0.51% | −40−3.2% | Reduced |
| Greenleaf Trust | 1,194 | $743.5K | 0.01% | +62+5.5% | Added |
| Evolve Private Wealth, LLC | 1,193 | $742.8K | 0.04% | +1,193 | New |
| Ashton Thomas Securities, LLC | 1,189 | $740.3K | 0.14% | −28−2.3% | Reduced |
| Siemens Fonds Invest GmbH | 1,165 | $735.6K | 0.04% | −517−30.7% | Reduced |
| Principal Street Partners, LLC | 1,173 | $730.4K | 0.12% | 00.0% | Unchanged |
| Tobam | 1,172 | $730.0K | 0.18% | +1,086+1,262.8% | Added |
| Private Advisor Group, LLC | 1,167 | $726.6K | 0.00% | +66+6.0% | Added |
| O'Brien Greene & Co. Inc | 1,158 | $721.1K | 0.21% | −100−7.9% | Reduced |
| GAM Holding AG | 1,156 | $719.8K | 0.05% | −249−17.7% | Reduced |
| Tarbox Family Office, Inc. | 1,156 | $719.8K | 0.12% | 00.0% | Unchanged |
| Atomi Financial Group, Inc. | 1,150 | $716.4K | 0.02% | +44+4.0% | Added |
| Fidelis Capital Partners, LLC | 1,128 | $702.4K | 0.05% | +13+1.2% | Added |
| Vines Capital Management, LLC | 1,122 | $698.6K | 0.68% | +1,122 | New |
| Massmutual Trust Co FSB | 1,117 | $695.5K | 0.02% | −16−1.4% | Reduced |
| Moors & Cabot, Inc. | 1,116 | $694.9K | 0.03% | −11−1.0% | Reduced |
| Michael B. Yongue | 1,114 | $693.6K | 0.48% | −64−5.4% | Reduced |
| WBH Advisory Inc | 1,109 | $690.5K | 0.05% | 00.0% | Unchanged |
| Woodline Partners LP | 1,103 | $686.8K | 0.00% | +1,103 | New |
| Texas Bank & Trust Co | 1,100 | $684.9K | 0.25% | 00.0% | Unchanged |
| Hazlett, Burt & Watson, Inc. | 1,093 | $681.0K | 0.22% | 00.0% | Unchanged |
| Citizens Financial Group Inc | 1,088 | $677.6K | 0.01% | −270−19.9% | Reduced |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 1,086 | $676.1K | 0.24% | +980+924.5% | Added |
| TD Private Client Wealth LLC | 1,069 | $665.6K | 0.01% | +29+2.8% | Added |
| Net Worth Advisory Group | 1,069 | $665.4K | 0.13% | +132+14.1% | Added |
| Castle Wealth Management LLC | 1,059 | $659.6K | 0.22% | −115−9.8% | Reduced |
| Aventura Private Wealth, LLC | 1,057 | $658.3K | 0.24% | −136−11.4% | Reduced |
| Clarendon Private LLC | 1,049 | $653.2K | 0.55% | −175−14.3% | Reduced |
| Catalytic Wealth RIA, LLC | 1,037 | $645.7K | 0.02% | −656−38.7% | Reduced |
| SFMG, LLC | 1,037 | $645.7K | 0.04% | 00.0% | Unchanged |
| Welch Group, LLC | 1,015 | $632.0K | 0.02% | −20−1.9% | Reduced |
| Adalta Capital Management LLC | 1,015 | $632.0K | 0.28% | 00.0% | Unchanged |