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 |
|---|---|---|---|---|---|
| Avanza Fonder AB | 6,926 | $4.08M | 0.11% | −30.0% | Reduced |
| Oregon Public Employees Retirement Fund | 6,911 | $4.07M | 0.05% | +14+0.2% | Added |
| ARS Investment Partners, LLC | 6,908 | $4.07M | 0.21% | −153−2.2% | Reduced |
| Alerus Financial NA | 6,833 | $4.02M | 0.20% | −1,384−16.8% | Reduced |
| Red Spruce Capital, LLC | 6,791 | $4.00M | 1.64% | +52+0.8% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 6,750 | $3.97M | 0.02% | +4,960+277.1% | Added |
| Federation des caisses Desjardins du Quebec | 6,659 | $3.92M | 0.01% | +2,946+79.3% | Added |
| Schroder Investment Management Group | 6,514 | $3.83M | 0.00% | +173+2.7% | Added |
| IFP Advisors, Inc | 6,487 | $3.82M | 0.08% | +4,703+263.6% | Added |
| SG Americas Securities, LLC | 6,383 | $3.76M | 0.00% | −2,933−31.5% | Reduced |
| Wealthfront Advisers LLC | 6,375 | $3.75M | 0.01% | +42+0.7% | Added |
| Apella Capital, LLC | 5,997 | $3.73M | 0.06% | +142+2.4% | Added |
| Yousif Capital Management, LLC | 6,254 | $3.68M | 0.04% | −230−3.5% | Reduced |
| Mill Capital Management, LLC | 6,225 | $3.66M | 0.28% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 6,210 | $3.66M | 0.31% | −340−5.2% | Reduced |
| Baird Financial Group, Inc. | 6,130 | $3.61M | 0.01% | +716+13.2% | Added |
| Wealth Enhancement Advisory Services, LLC | 27,856 | $3.60M | 0.01% | +19,800+245.8% | Added |
| OP Asset Management Ltd | 6,116 | $3.60M | 0.04% | −744−10.8% | Reduced |
| Miller Capital Partners, Inc. | 6,102 | $3.59M | 1.74% | +36+0.6% | Added |
| Ilmarinen Mutual Pension Insurance Co | 6,000 | $3.53M | 0.03% | 00.0% | Unchanged |
| Sanctuary Advisors, LLC | 5,992 | $3.53M | 0.02% | −271−4.3% | Reduced |
| State of Alaska, Department of Revenue | 5,985 | $3.52M | 0.04% | 00.0% | Unchanged |
| Summit Place Financial Advisors, LLC | 5,972 | $3.52M | 1.69% | −233−3.8% | Reduced |
| KBC Group NV | 5,947 | $3.50M | 0.01% | −1,597−21.2% | Reduced |
| Nordea Investment Management AB | 6,074 | $3.49M | 0.00% | +12+0.2% | Added |
| UniSuper Management Pty Ltd | 5,917 | $3.48M | 0.02% | +15+0.3% | Added |
| Public Employees Retirement Association of Colorado | 5,902 | $3.47M | 0.01% | 00.0% | Unchanged |
| Banque Pictet & Cie SA | 5,898 | $3.47M | 0.04% | +5,898 | New |
| B & T Capital Management DBA Alpha Capital Management | 5,874 | $3.46M | 0.50% | +6+0.1% | Added |
| Concorde Financial Corp | 5,869 | $3.45M | 2.71% | +22+0.4% | Added |
| Skylands Capital, LLC | 5,810 | $3.42M | 0.45% | −135−2.3% | Reduced |
| SummitTX Capital, L.P. | 5,800 | $3.41M | 0.11% | −19,148−76.8% | Reduced |
| Diversified Trust Co | 5,743 | $3.38M | 0.06% | +13+0.2% | Added |
| Jefferies Financial Group Inc. | 5,548 | $3.27M | 0.04% | +1,784+47.4% | Added |
| NewEdge Wealth, LLC | 5,490 | $3.23M | 0.04% | −480−8.0% | Reduced |
| Aviso Financial Inc. | 5,457 | $3.21M | 0.11% | +428+8.5% | Added |
| Myriad Asset Management Advisors LLC | 5,440 | $3.20M | 0.94% | +36+0.7% | Added |
| Investment Management Corp of Ontario | 5,407 | $3.18M | 0.04% | +200+3.8% | Added |
| Adams Natural Resources Fund, Inc. | 5,400 | $3.18M | 0.37% | 00.0% | Unchanged |
| True North Advisors, LLC | 5,331 | $3.14M | 0.36% | −29−0.5% | Reduced |
| Macquarie Group Ltd | 5,249 | $3.09M | 0.02% | −417−7.4% | Reduced |
| SMA Capital LLC | 5,126 | $3.02M | 1.30% | −7,874−60.6% | Reduced |
| Omers Administration Corp | 5,117 | $3.01M | 0.02% | +2,908+131.6% | Added |
| Regents Gate Capital LLP | 5,054 | $2.98M | 0.63% | +5,054 | New |
| Candriam Luxembourg S.C.A. | 5,035 | $2.96M | 0.02% | 00.0% | Unchanged |
| Gabelli Funds LLC | 5,000 | $2.94M | 0.02% | 00.0% | Unchanged |
| Bislett Management, LLC | 5,000 | $2.94M | 2.27% | 00.0% | Unchanged |
| Polymer Capital Management (US) LLC | 4,958 | $2.92M | 0.43% | +3,358+209.9% | Added |
| Huntleigh Advisors, Inc. | 4,956 | $2.92M | 0.50% | +214+4.5% | Added |
| Numerai GP LLC | 4,908 | $2.89M | 0.29% | +1,180+31.7% | Added |
| Gardner Lewis Asset Management L P | 4,884 | $2.88M | 0.62% | +69+1.4% | Added |
| ExodusPoint Capital Management, LP | 4,871 | $2.87M | 0.03% | +4,871 | New |
| Mount Yale Investment Advisors, LLC | 4,870 | $2.87M | 0.07% | +3,344+219.1% | Added |
| Evelyn Partners Investment Management LLP | 4,744 | $2.79M | 0.08% | −489−9.3% | Reduced |
| Brinker Capital Investments, LLC | 4,731 | $2.78M | 0.02% | −1,157−19.7% | Reduced |
| Beacon Pointe Advisors, LLC | 4,707 | $2.77M | 0.01% | +3,417+264.9% | Added |
| Atlantic Union Bankshares Corp | 4,692 | $2.76M | 0.05% | +203+4.5% | Added |
| Jackson Hole Capital Partners, LLC | 4,687 | $2.76M | 0.46% | −4−0.1% | Reduced |
| Westbourne Investments, Inc. | 4,675 | $2.75M | 1.31% | 00.0% | Unchanged |
| Gulf International Bank (UK) Ltd | 4,657 | $2.74M | 0.06% | +1,646+54.7% | Added |
| Wiley Bros.-Aintree Capital, LLC | 4,589 | $2.70M | 0.01% | +120+2.7% | Added |
| Harbor Advisors LLC | 4,500 | $2.65M | 0.38% | 00.0% | Unchanged |
| Azzad Asset Management Inc | 4,462 | $2.63M | 0.27% | −20.0% | Reduced |
| CWM, LLC | 4,428 | $2.61M | 0.01% | −1,257−22.1% | Reduced |
| Clearstead Advisors, LLC | 4,318 | $2.54M | 0.02% | +232+5.7% | Added |
| ASR Vermogensbeheer N.V. | 4,290 | $2.53M | 0.03% | +979+29.6% | Added |
| Crossmark Global Holdings, Inc. | 4,217 | $2.48M | 0.04% | +861+25.7% | Added |
| Skopos Labs, Inc. | 4,203 | $2.47M | 0.08% | +849+25.3% | Added |
| MML Investors Services, LLC | 4,184 | $2.46M | 0.01% | +21+0.5% | Added |
| Sage Investment Advisers LLC | 4,085 | $2.45M | 1.81% | 00.0% | Unchanged |
| Cultivar Capital, Inc. | 4,147 | $2.44M | 1.56% | 00.0% | Unchanged |
| Fremen Capital Management LP | 4,113 | $2.42M | 2.24% | +4,113 | New |
| GKV Capital Management Co., Inc. | 3,997 | $2.35M | 0.88% | −165−4.0% | Reduced |
| Third View Private Wealth, LLC | 3,977 | $2.34M | 0.32% | +90+2.3% | Added |
| Envestnet Portfolio Solutions, Inc. | 3,977 | $2.34M | 0.01% | −264−6.2% | Reduced |
| Lipe & Dalton | 3,963 | $2.33M | 1.22% | 00.0% | Unchanged |
| RSM US Wealth Management LLC | 3,917 | $2.31M | 0.03% | +104+2.7% | Added |
| Griffin Asset Management, Inc. | 3,850 | $2.27M | 0.26% | −300−7.2% | Reduced |
| Mattson Financial Services, LLC | 3,834 | $2.26M | 0.54% | −291−7.1% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 3,796 | $2.23M | 0.00% | +1,412+59.2% | Added |
| Pinnacle Associates Ltd | 3,770 | $2.22M | 0.03% | +19+0.5% | Added |
| Kestra Advisory Services, LLC | 3,747 | $2.21M | 0.01% | −1,984−34.6% | Reduced |
| Brown Brothers Harriman & Co | 3,703 | $2.18M | 0.01% | +131+3.7% | Added |
| Generali Asset Management SPA SGR | 3,690 | $2.17M | 0.05% | +83+2.3% | Added |
| Mizuho Securities USA LLC | 3,646 | $2.15M | 0.05% | −745−17.0% | Reduced |
| RD Lewis Holdings, Inc. | 3,408 | $2.13M | 1.85% | −3−0.1% | Reduced |
| Weaver Capital Management LLC | 3,620 | $2.13M | 0.46% | −135−3.6% | Reduced |
| Rafferty Asset Management, LLC | 3,614 | $2.13M | 0.01% | −1,437−28.4% | Reduced |
| New Republic Capital, LLC | 3,594 | $2.12M | 0.71% | −116−3.1% | Reduced |
| GWM Advisors LLC | 3,502 | $2.06M | 0.01% | −87−2.4% | Reduced |
| Arkadios Wealth Advisors | 3,492 | $2.06M | 0.03% | +39+1.1% | Added |
| Norinchukin Bank, The | 3,463 | $2.04M | 0.02% | +16+0.5% | Added |
| Hartford Investment Management Co | 3,430 | $2.02M | 0.06% | −41−1.2% | Reduced |
| Harfst & Associates, Inc. | 3,391 | $2.00M | 0.36% | +337+11.0% | Added |
| CWM Advisors, LLC | 3,286 | $1.93M | 0.11% | +2,764+529.5% | Added |
| Schear Investment Advisers, LLC | 3,278 | $1.93M | 0.85% | +129+4.1% | Added |
| Pacer Advisors, Inc. | 3,249 | $1.91M | 0.01% | −1,698−34.3% | Reduced |
| WSFS Capital Management, LLC | 3,248 | $1.91M | 0.09% | 00.0% | Unchanged |
| Huntington National Bank | 3,180 | $1.87M | 0.01% | −102−3.1% | Reduced |
| Osmosis Investment Management UK Ltd | 3,140 | $1.85M | 0.05% | −98−3.0% | Reduced |