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, Q3 2025
Institutional positions in Martin Marietta Materials Inc as of Sep 30, 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
- 1,053
- +68 vs. Q2 2025
- Shares held
- 58.2M
- −919.2K (−1.6%) vs. Q2 2025
- Total value
- $36.7B
- +$4.20B (+12.9%) vs. Q2 2025
- New holders
- 132
- 366 more added
- Sold out
- 64
- 344 more reduced
14 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Checchi Capital Advisers, LLC | 1,266 | $797.9K | 0.05% | −67−5.0% | Reduced |
| Vestcor Inc | 1,266 | $798.0K | 0.02% | 00.0% | Unchanged |
| Signaturefd, LLC | 1,270 | $800.4K | 0.01% | +194+18.0% | Added |
| Supplemental Annuity Collective Trust of NJ | 1,270 | $800.5K | 0.21% | 00.0% | Unchanged |
| Kapstone Financial Advisors LLC | 1,292 | $814.3K | 0.38% | −23−1.7% | Reduced |
| NorthRock Partners, LLC | 1,293 | $815.0K | 0.01% | +227+21.3% | Added |
| Occudo Quantitative Strategies LP | 1,307 | $823.8K | 0.10% | +1,307 | New |
| Banque Cantonale Vaudoise | 1,314 | $828.0K | 0.03% | −617−32.0% | Reduced |
| Essex Investment Management Co LLC | 1,333 | $840.2K | 0.13% | 00.0% | Unchanged |
| Park Avenue Securities LLC | 1,343 | $847.0K | 0.01% | −7−0.5% | Reduced |
| Empire Financial Management Company, LLC | 1,352 | $852.1K | 0.20% | 00.0% | Unchanged |
| Citizens Financial Group Inc | 1,358 | $856.1K | 0.01% | +44+3.3% | Added |
| Crewe Advisors LLC | 1,361 | $857.8K | 0.08% | +1,361 | New |
| Forum Financial Management, LP | 1,374 | $866.0K | 0.01% | +128+10.3% | Added |
| Signature Wealth Management Partners, LLC | 1,396 | $879.9K | 0.46% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 1,399 | $882.2K | 0.01% | +980+233.9% | Added |
| Tower Research Capital LLC (TRC) | 1,401 | $883.0K | 0.02% | −3,091−68.8% | Reduced |
| Colonial Trust Advisors | 1,404 | $884.9K | 0.07% | −812−36.6% | Reduced |
| GAM Holding AG | 1,405 | $885.5K | 0.05% | 00.0% | Unchanged |
| Profund Advisors LLC | 1,406 | $886.2K | 0.03% | −168−10.7% | Reduced |
| Parallel Advisors, LLC | 1,409 | $888.1K | 0.02% | +21+1.5% | Added |
| Epoch Investment Partners, Inc. | 1,437 | $905.7K | 0.00% | 00.0% | Unchanged |
| Burling Wealth Partners, LLC | 1,444 | $910.1K | 0.15% | −111−7.1% | Reduced |
| Boston Private Wealth LLC | 1,447 | $912.3K | 0.05% | −185−11.3% | Reduced |
| Fayez Sarofim & Co | 1,468 | $925.3K | 0.00% | +14+1.0% | Added |
| Qtron Investments LLC | 1,471 | $927.1K | 0.11% | +360+32.4% | Added |
| Chesapeake Capital Corp | 1,475 | $929.7K | 0.83% | +1,475 | New |
| Ballentine Partners, LLC | 1,477 | $930.9K | 0.01% | −1−0.1% | Reduced |
| SevenBridge Financial Group, LLC | 1,522 | $935.7K | 0.15% | +3+0.2% | Added |
| Cullen/Frost Bankers, Inc. | 1,486 | $936.3K | 0.01% | −26−1.7% | Reduced |
| Texas Yale Capital Corp. | 1,489 | $938.5K | 0.03% | +50+3.5% | Added |
| AlTi Global, Inc. | 1,499 | $944.8K | 0.02% | +20+1.4% | Added |
| ASR Vermogensbeheer N.V. | 1,512 | $952.9K | 0.01% | +5+0.3% | Added |
| Skopos Labs, Inc. | 1,747 | $960.6K | 0.13% | −30−1.7% | Reduced |
| Benjamin Edwards Inc | 1,540 | $971.2K | 0.01% | +457+42.2% | Added |
| Proficio Capital Partners LLC | 1,557 | $981.3K | 0.07% | −295−15.9% | Reduced |
| Curated Wealth Partners LLC | 1,570 | $989.5K | 0.12% | +175+12.5% | Added |
| Kentucky Retirement Systems Insurance Trust Fund | 1,578 | $994.6K | 0.07% | −89−5.3% | Reduced |
| Global Trust Asset Management, LLC | 1,592 | $1.00M | 0.45% | −79−4.7% | Reduced |
| MUFG Securities Americas Inc. | 1,627 | $1.03M | 0.07% | +291+21.8% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 1,627 | $1.03M | 0.01% | +498+44.1% | Added |
| Walleye Trading LLC | 1,629 | $1.03M | 0.02% | +308+23.3% | Added |
| Wahed Invest LLC | 1,640 | $1.03M | 0.14% | +9+0.6% | Added |
| Allworth Financial LP | 1,680 | $1.06M | 0.00% | +183+12.2% | Added |
| Siemens Fonds Invest GmbH | 1,682 | $1.06M | 0.06% | −2−0.1% | Reduced |
| Smartleaf Asset Management LLC | 1,712 | $1.06M | 0.07% | +490+40.1% | Added |
| Catalytic Wealth RIA, LLC | 1,693 | $1.07M | 0.04% | +1,140+206.1% | Added |
| Argyle Capital Partners, LLC | 1,702 | $1.07M | 0.77% | 00.0% | Unchanged |
| Sciencast Management LP | 1,703 | $1.07M | 0.20% | −5,633−76.8% | Reduced |
| Advisory Services Network, LLC | 1,710 | $1.08M | 0.02% | −198−10.4% | Reduced |
| Intech Investment Management LLC | 1,716 | $1.08M | 0.01% | +8+0.5% | Added |
| Princeton Capital Management LLC | 1,752 | $1.10M | 0.30% | 00.0% | Unchanged |
| Ironsides Asset Advisors, LLC | 1,773 | $1.12M | 0.29% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 1,789 | $1.13M | 0.01% | +116+6.9% | Added |
| VestGen Advisors, LLC | 1,792 | $1.13M | 0.04% | +68+3.9% | Added |
| Lighthouse Investment Partners, LLC | 1,795 | $1.13M | 0.04% | −5,652−75.9% | Reduced |
| Trust Investment Advisors | 1,805 | $1.14M | 0.64% | +85+4.9% | Added |
| Davis Investment Partners, LLC | 1,835 | $1.14M | 0.39% | 00.0% | Unchanged |
| J. Safra Sarasin Holding AG | 1,846 | $1.16M | 0.02% | +1,373+290.3% | Added |
| Warren Averett Asset Management, LLC | 1,851 | $1.17M | 0.01% | −199−9.7% | Reduced |
| Merit Financial Group, LLC | 1,854 | $1.17M | 0.01% | +324+21.2% | Added |
| Bridgewater Associates, LP | 1,855 | $1.17M | 0.00% | +1,855 | New |
| Principal Securities, Inc. | 1,856 | $1.17M | 0.02% | +36+2.0% | Added |
| NVWM, LLC | 1,870 | $1.18M | 0.27% | +5+0.3% | Added |
| MAI Capital Management | 1,884 | $1.19M | 0.01% | −96−4.8% | Reduced |
| Savant Capital, LLC | 1,886 | $1.19M | 0.01% | +126+7.2% | Added |
| Busey Wealth Management | 1,887 | $1.19M | 0.03% | −111−5.6% | Reduced |
| Lido Advisors, LLC | 1,905 | $1.20M | 0.00% | +837+78.4% | Added |
| Redwood Investment Management, LLC | 1,914 | $1.21M | 0.13% | +1,914 | New |
| La Banque Postale Asset Management SA | 1,917 | $1.21M | 0.01% | +1,008+110.9% | Added |
| Monticello Wealth Management, LLC | 1,919 | $1.21M | 0.08% | 00.0% | Unchanged |
| Northwestern Mutual Investment Management Company, LLC | 1,921 | $1.21M | 0.02% | −1−0.1% | Reduced |
| First American Bank | 1,937 | $1.22M | 0.08% | +1+0.1% | Added |
| Mark Asset Management LP | 1,956 | $1.23M | 0.13% | 00.0% | Unchanged |
| Horizon Investments, LLC | 1,958 | $1.23M | 0.02% | +42+2.2% | Added |
| Massachusetts Financial Services Co | 1,970 | $1.24M | 0.00% | +305+18.3% | Added |
| GAMMA Investing LLC | 1,974 | $1.24M | 0.07% | +250+14.5% | Added |
| Empowered Funds, LLC | 1,992 | $1.26M | 0.01% | +388+24.2% | Added |
| Wolverine Asset Management LLC | 2,000 | $1.26M | 0.02% | +2,000 | New |
| Reuter James Wealth Management, LLC | 2,026 | $1.28M | 0.18% | +2,026 | New |
| Tokio Marine Asset Management Co Ltd | 2,034 | $1.28M | 0.05% | +50+2.5% | Added |
| Wetherby Asset Management Inc | 2,064 | $1.30M | 0.05% | +122+6.3% | Added |
| First National Bank of Hutchinson | 2,085 | $1.31M | 0.70% | +154+8.0% | Added |
| Gilbert & Cook, Inc. | 2,087 | $1.32M | 0.17% | +107+5.4% | Added |
| Huber Capital Management LLC | 2,092 | $1.32M | 0.21% | −700−25.1% | Reduced |
| Synovus Financial Corp | 2,094 | $1.32M | 0.02% | −4−0.2% | Reduced |
| InTrack Investment Management Inc | 2,116 | $1.33M | 0.80% | −892−29.7% | Reduced |
| Griffin Asset Management, Inc. | 2,150 | $1.36M | 0.15% | −46−2.1% | Reduced |
| Hilltop Holdings Inc. | 2,167 | $1.37M | 0.07% | −7−0.3% | Reduced |
| Quadrant Capital Group LLC | 2,169 | $1.37M | 0.04% | 00.0% | Unchanged |
| United Capital Financial Advisers, LLC | 2,191 | $1.38M | 0.01% | −26−1.2% | Reduced |
| Ieq Capital, LLC | 2,195 | $1.38M | 0.00% | +2,195 | New |
| Empirical Finance, LLC | 2,221 | $1.40M | 0.07% | +21+1.0% | Added |
| Stablepoint Partners, LLC | 2,240 | $1.41M | 0.22% | +163+7.8% | Added |
| Meeder Advisory Services, Inc. | 2,245 | $1.42M | 0.07% | +118+5.5% | Added |
| Callan Family Office, LLC | 2,250 | $1.42M | 0.05% | −482−17.6% | Reduced |
| Bard Financial Services, Inc. | 2,250 | $1.42M | 0.16% | −50−2.2% | Reduced |
| Main Street Financial Solutions, LLC | 2,263 | $1.43M | 0.09% | −77−3.3% | Reduced |
| JSF Financial, LLC | 2,271 | $1.43M | 0.32% | +30+1.3% | Added |
| Ascent Group, LLC | 2,287 | $1.44M | 0.05% | +1,919+521.5% | Added |