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 |
|---|---|---|---|---|---|
| Raiffeisen Bank International AG | 3,209 | $1.84M | 0.03% | −1,003−23.8% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 3,108 | $1.83M | 0.08% | +87+2.9% | Added |
| Louisiana State Employees Retirement System | 3,100 | $1.82M | 0.03% | 00.0% | Unchanged |
| QRG Capital Management, Inc. | 3,096 | $1.82M | 0.02% | −55−1.7% | Reduced |
| Hantz Financial Services, Inc. | 3,080 | $1.81M | 0.03% | +122+4.1% | Added |
| Allspring Global Investments Holdings, LLC | 3,019 | $1.81M | 0.00% | −11−0.4% | Reduced |
| Montag A & Associates Inc | 3,069 | $1.81M | 0.08% | +29+1.0% | Added |
| Parr McKnight Wealth Management Group, LLC | 3,059 | $1.80M | 0.24% | +228+8.1% | Added |
| XTX Topco Ltd | 3,034 | $1.79M | 0.03% | +3,034 | New |
| 17 Capital Partners, LLC | 3,013 | $1.77M | 0.92% | 00.0% | Unchanged |
| Apollon Wealth Management, LLC | 3,004 | $1.77M | 0.03% | +195+6.9% | Added |
| Baker Avenue Asset Management, LP | 3,003 | $1.77M | 0.04% | −51−1.7% | Reduced |
| Evermay Wealth Management LLC | 3,001 | $1.77M | 0.20% | 00.0% | Unchanged |
| BNP Paribas | 3,243 | $1.76M | 0.06% | +2,948+999.3% | Added |
| Commerce Bank | 2,982 | $1.76M | 0.01% | +268+9.9% | Added |
| Callan Family Office, LLC | 2,974 | $1.75M | 0.04% | −111−3.6% | Reduced |
| Jane Street Group, LLC | 2,974 | $1.75M | 0.00% | +10.0% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 2,968 | $1.75M | 0.07% | +2,968 | New |
| Walleye Trading LLC | 2,965 | $1.75M | 0.04% | +1,547+109.1% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 3,030 | $1.74M | 0.01% | −1,001−24.8% | Reduced |
| Whitener Capital Management, Inc. | 2,960 | $1.74M | 0.40% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 2,942 | $1.73M | 0.04% | 00.0% | Unchanged |
| Abc Arbitrage SA | 2,935 | $1.73M | 0.23% | +2,935 | New |
| Lederer & Associates Investment Counsel | 2,931 | $1.73M | 1.22% | −22−0.7% | Reduced |
| Virtus Investment Advisers, Inc. | 2,923 | $1.72M | 0.47% | +2,923 | New |
| Leavell Investment Management, Inc. | 2,921 | $1.72M | 0.07% | 00.0% | Unchanged |
| Eventide Asset Management, LLC | 2,908 | $1.70M | 0.03% | +18+0.6% | Added |
| Summit Trail Advisors, LLC | 2,869 | $1.69M | 0.02% | −13−0.5% | Reduced |
| Empowered Funds, LLC | 2,835 | $1.67M | 0.01% | +2,835 | New |
| Fiduciary Trust Co | 2,835 | $1.67M | 0.02% | +448+18.8% | Added |
| New Mexico Educational Retirement Board | 2,750 | $1.62M | 0.05% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 2,750 | $1.62M | 0.05% | +2,362+608.8% | Added |
| Two Sigma Securities, LLC | 2,749 | $1.62M | 0.19% | +1,764+179.1% | Added |
| Bartlett & Co. Wealth Management LLC | 2,679 | $1.62M | 0.02% | −12−0.4% | Reduced |
| Coldstream Capital Management Inc | 2,712 | $1.60M | 0.02% | +195+7.7% | Added |
| Regions Financial Corp | 2,708 | $1.59M | 0.01% | −237−8.0% | Reduced |
| Madden Securities Corp | 2,685 | $1.58M | 0.48% | +85+3.3% | Added |
| Reuter James Wealth Management, LLC | 2,675 | $1.57M | 0.23% | −37−1.4% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 2,675 | $1.57M | 0.05% | +272+11.3% | Added |
| Tudor Investment Corp Et Al | 2,649 | $1.56M | 0.01% | +2,649 | New |
| Alpha Omega Wealth Management LLC | 2,604 | $1.53M | 0.25% | −33−1.3% | Reduced |
| Keybank National Association | 2,588 | $1.52M | 0.01% | +10+0.4% | Added |
| CAPROCK Group, Inc. | 2,566 | $1.51M | 0.04% | −42−1.6% | Reduced |
| Virtu Financial LLC | 2,547 | $1.50M | 0.06% | +2,547 | New |
| GAMMA Investing LLC | 2,540 | $1.50M | 0.07% | +183+7.8% | Added |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 2,527 | $1.49M | 0.61% | −435−14.7% | Reduced |
| Accretive Wealth Partners, LLC | 2,515 | $1.48M | 0.42% | +13+0.5% | Added |
| Argent Trust Co | 2,488 | $1.46M | 0.05% | −673−21.3% | Reduced |
| MUFG Securities EMEA plc | 2,475 | $1.46M | 0.02% | 00.0% | Unchanged |
| Savant Capital, LLC | 2,459 | $1.45M | 0.01% | +524+27.1% | Added |
| Lido Advisors, LLC | 2,452 | $1.44M | 0.01% | +532+27.7% | Added |
| InTrack Investment Management Inc | 2,449 | $1.44M | 0.82% | +59+2.5% | Added |
| Little House Capital LLC | 2,445 | $1.44M | 0.37% | −19−0.8% | Reduced |
| Capital Investment Counsel, Inc | 2,406 | $1.42M | 0.17% | 00.0% | Unchanged |
| Valeo Financial Advisors, LLC | 2,404 | $1.42M | 0.03% | +1,497+165.0% | Added |
| Aptus Capital Advisors, LLC | 2,403 | $1.41M | 0.01% | −202−7.8% | Reduced |
| Brandywine Trust Co | 2,400 | $1.41M | 0.26% | 00.0% | Unchanged |
| Hunter Associates Investment Management LLC | 2,337 | $1.38M | 0.18% | +12+0.5% | Added |
| Portfolio Design Labs, LLC | 2,323 | $1.37M | 0.24% | −60−2.5% | Reduced |
| Ascent Group, LLC | 2,309 | $1.36M | 0.05% | −25−1.1% | Reduced |
| Metis Global Partners, LLC | 2,309 | $1.36M | 0.03% | −277−10.7% | Reduced |
| Meeder Advisory Services, Inc. | 2,307 | $1.36M | 0.06% | −31−1.3% | Reduced |
| Tema ETFs LLC | 2,276 | $1.34M | 0.09% | −520−18.6% | Reduced |
| Hudson Value Partners, LLC | 2,275 | $1.34M | 0.40% | −75−3.2% | Reduced |
| Tokio Marine Asset Management Co Ltd | 2,272 | $1.34M | 0.05% | +148+7.0% | Added |
| Simmons Bank | 2,262 | $1.33M | 0.09% | −100−4.2% | Reduced |
| Allianz Asset Management GmbH | 2,247 | $1.32M | 0.00% | +323+16.8% | Added |
| Quadrant Capital Group LLC | 2,237 | $1.32M | 0.04% | +51+2.3% | Added |
| Pinnacle Financial Partners, Inc. | 2,232 | $1.31M | 0.01% | −235−9.5% | Reduced |
| Saudi Central Bank | 2,226 | $1.31M | 0.03% | +2,226 | New |
| JSF Financial, LLC | 2,213 | $1.30M | 0.26% | −47−2.1% | Reduced |
| Stablepoint Partners, LLC | 2,203 | $1.30M | 0.19% | +33+1.5% | Added |
| B. Metzler seel. Sohn & Co. AG | 2,188 | $1.29M | 0.01% | −30−1.4% | Reduced |
| Empirical Finance, LLC | 2,129 | $1.25M | 0.06% | −6−0.3% | Reduced |
| Gilbert & Cook, Inc. | 2,129 | $1.25M | 0.16% | −6−0.3% | Reduced |
| AXA S.A. | 2,118 | $1.25M | 0.49% | −242−10.3% | Reduced |
| Massachusetts Financial Services Co | 2,098 | $1.24M | 0.00% | −11−0.5% | Reduced |
| Brown Financial Advisors | 2,093 | $1.23M | 0.47% | −298−12.5% | Reduced |
| Ballentine Partners, LLC | 2,065 | $1.22M | 0.02% | +586+39.6% | Added |
| E. Ohman J:or Asset Management AB | 2,060 | $1.21M | 0.03% | 00.0% | Unchanged |
| Intech Investment Management LLC | 2,048 | $1.21M | 0.01% | −23−1.1% | Reduced |
| Allworth Financial LP | 2,025 | $1.19M | 0.00% | +143+7.6% | Added |
| Sterling Capital Management LLC | 2,017 | $1.19M | 0.02% | −1,538−43.3% | Reduced |
| Principal Securities, Inc. | 2,015 | $1.19M | 0.02% | +42+2.1% | Added |
| IMC-Chicago, LLC | 2,000 | $1.18M | 0.02% | +2,000 | New |
| Kestra Private Wealth Services, LLC | 1,973 | $1.16M | 0.01% | +131+7.1% | Added |
| United Capital Financial Advisers, LLC | 1,963 | $1.16M | 0.01% | +166+9.2% | Added |
| Smartleaf Asset Management LLC | 2,003 | $1.15M | 0.04% | +134+7.2% | Added |
| Monticello Wealth Management, LLC | 1,948 | $1.15M | 0.07% | −300−13.3% | Reduced |
| First American Bank | 1,946 | $1.15M | 0.07% | +9+0.5% | Added |
| Northwestern Mutual Investment Management Company, LLC | 1,930 | $1.14M | 0.02% | +2+0.1% | Added |
| Merit Financial Group, LLC | 1,918 | $1.13M | 0.01% | −323−14.4% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 1,909 | $1.12M | 0.01% | −532−21.8% | Reduced |
| Main Street Financial Solutions, LLC | 1,903 | $1.12M | 0.08% | −355−15.7% | Reduced |
| Guggenheim Capital LLC | 1,887 | $1.11M | 0.01% | +97+5.4% | Added |
| Ironsides Asset Advisors, LLC | 1,873 | $1.10M | 0.28% | +100+5.6% | Added |
| Trust Investment Advisors | 1,840 | $1.08M | 0.63% | −58−3.1% | Reduced |
| Horizon Investments, LLC | 1,820 | $1.07M | 0.01% | +45+2.5% | Added |
| NVWM, LLC | 1,789 | $1.05M | 0.23% | −10−0.6% | Reduced |
| Banque Cantonale Vaudoise | 1,767 | $1.04M | 0.04% | +445+33.7% | Added |