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 |
|---|---|---|---|---|---|
| Hunter Associates Investment Management LLC | 2,311 | $1.46M | 0.20% | −18−0.8% | Reduced |
| Vident Advisory, LLC | 2,324 | $1.46M | 0.01% | +111+5.0% | Added |
| Portfolio Design Labs, LLC | 2,340 | $1.47M | 0.25% | +2,340 | New |
| Hudson Value Partners, LLC | 2,350 | $1.48M | 0.46% | −30−1.3% | Reduced |
| Brown Financial Advisors | 2,358 | $1.49M | 0.55% | +2,358 | New |
| AXA S.A. | 2,385 | $1.50M | 0.75% | −4,802−66.8% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 2,387 | $1.50M | 0.00% | −17−0.7% | Reduced |
| Fiduciary Trust Co | 2,391 | $1.51M | 0.02% | −157−6.2% | Reduced |
| Brandywine Trust Co | 2,400 | $1.51M | 0.23% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 2,407 | $1.52M | 0.02% | +844+54.0% | Added |
| Bank of Hawaii | 2,409 | $1.52M | 0.08% | +973+67.8% | Added |
| Allstate Corp | 2,413 | $1.52M | 0.03% | +2,413 | New |
| Capital Investment Counsel, Inc | 2,423 | $1.53M | 0.19% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 2,426 | $1.53M | 0.01% | −20−0.8% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 2,434 | $1.53M | 0.01% | +15+0.6% | Added |
| Squarepoint Ops LLC | 2,440 | $1.54M | 0.00% | −77,070−96.9% | Reduced |
| E. Ohman J:or Asset Management AB | 2,461 | $1.55M | 0.04% | 00.0% | Unchanged |
| Commerce Bank | 2,462 | $1.55M | 0.01% | −20−0.8% | Reduced |
| Swedbank AB | 2,507 | $1.58M | 0.00% | 00.0% | Unchanged |
| Accretive Wealth Partners, LLC | 2,520 | $1.59M | 0.48% | +53+2.1% | Added |
| Jones Financial Companies LLLP | 2,599 | $1.60M | 0.00% | +462+21.6% | Added |
| CAPROCK Group, Inc. | 2,604 | $1.61M | 0.04% | +2,604 | New |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 2,550 | $1.61M | 0.01% | +200+8.5% | Added |
| Aptus Capital Advisors, LLC | 2,552 | $1.61M | 0.01% | −484−15.9% | Reduced |
| Allianz Asset Management GmbH | 2,581 | $1.63M | 0.00% | +91+3.7% | Added |
| AG2R la Mondiale Gestion D'Actifs | 3,021 | $1.66M | 0.09% | 00.0% | Unchanged |
| B. Metzler seel. Sohn & Co. AG | 2,646 | $1.67M | 0.01% | 00.0% | Unchanged |
| Simmons Bank | 2,664 | $1.68M | 0.11% | −4−0.1% | Reduced |
| Little House Capital LLC | 2,667 | $1.68M | 0.39% | +309+13.1% | Added |
| Alpha Omega Wealth Management LLC | 2,672 | $1.68M | 0.28% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 2,691 | $1.70M | 0.02% | 00.0% | Unchanged |
| Metis Global Partners, LLC | 2,708 | $1.71M | 0.04% | −199−6.8% | Reduced |
| QRG Capital Management, Inc. | 2,716 | $1.71M | 0.02% | +342+14.4% | Added |
| Schear Investment Advisers, LLC | 2,731 | $1.72M | 0.77% | +16+0.6% | Added |
| Keybank National Association | 2,739 | $1.73M | 0.01% | +306+12.6% | Added |
| Shell Asset Management Co | 2,745 | $1.73M | 0.17% | −3,478−55.9% | Reduced |
| New Mexico Educational Retirement Board | 2,750 | $1.73M | 0.05% | −100−3.5% | Reduced |
| Madden Securities Corp | 2,750 | $1.73M | 0.53% | −65−2.3% | Reduced |
| Ossiam | 2,755 | $1.74M | 0.02% | −2,425−46.8% | Reduced |
| Apollon Wealth Management, LLC | 2,763 | $1.74M | 0.03% | +65+2.4% | Added |
| BNP Paribas | 3,243 | $1.79M | 0.05% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 2,914 | $1.81M | 0.04% | −1,471−33.5% | Reduced |
| Summit Trail Advisors, LLC | 2,900 | $1.83M | 0.03% | +377+14.9% | Added |
| Leavell Investment Management, Inc. | 2,915 | $1.84M | 0.08% | −1,490−33.8% | Reduced |
| Whitener Capital Management, Inc. | 2,920 | $1.84M | 0.44% | −30−1.0% | Reduced |
| Securian Asset Management, Inc | 2,929 | $1.85M | 0.05% | −253−8.0% | Reduced |
| Maryland State Retirement & Pension System | 2,942 | $1.85M | 0.04% | +76+2.7% | Added |
| Evermay Wealth Management LLC | 3,001 | $1.89M | 0.22% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 3,053 | $1.89M | 0.00% | +199+7.0% | Added |
| Tema ETFs LLC | 3,006 | $1.89M | 0.16% | +1,188+65.3% | Added |
| Gulf International Bank (UK) Ltd | 3,011 | $1.90M | 0.06% | −77−2.5% | Reduced |
| 17 Capital Partners, LLC | 3,013 | $1.90M | 1.03% | 00.0% | Unchanged |
| Baker Avenue Asset Management, LP | 3,052 | $1.92M | 0.05% | +109+3.7% | Added |
| Kovack Advisors, Inc. | 3,078 | $1.94M | 0.18% | +148+5.1% | Added |
| Nomura Holdings Inc | 3,092 | $1.95M | 0.01% | +3,092 | New |
| Coldstream Capital Management Inc | 3,101 | $1.95M | 0.03% | +764+32.7% | Added |
| Harfst & Associates, Inc. | 3,133 | $1.97M | 0.36% | +37+1.2% | Added |
| Hantz Financial Services, Inc. | 3,159 | $1.99M | 0.03% | −481−13.2% | Reduced |
| Argent Trust Co | 3,169 | $2.00M | 0.07% | −121−3.7% | Reduced |
| Huntington National Bank | 3,193 | $2.01M | 0.01% | −239−7.0% | Reduced |
| Louisiana State Employees Retirement System | 3,200 | $2.02M | 0.03% | 00.0% | Unchanged |
| Omers Administration Corp | 3,209 | $2.02M | 0.01% | +1,000+45.3% | Added |
| Arkadios Wealth Advisors | 3,220 | $2.03M | 0.05% | +1,264+64.6% | Added |
| Campbell & CO Investment Adviser LLC | 3,231 | $2.04M | 0.15% | +3,231 | New |
| WSFS Capital Management, LLC | 3,248 | $2.05M | 0.10% | −13−0.4% | Reduced |
| Norinchukin Bank, The | 3,250 | $2.05M | 0.03% | +21+0.7% | Added |
| RSM US Wealth Management LLC | 3,259 | $2.05M | 0.03% | +156+5.0% | Added |
| Lederer & Associates Investment Counsel | 3,273 | $2.06M | 1.34% | −254−7.2% | Reduced |
| Jane Street Group, LLC | 3,290 | $2.07M | 0.00% | −13,039−79.9% | Reduced |
| Brown Brothers Harriman & Co | 3,301 | $2.08M | 0.01% | +575+21.1% | Added |
| RD Lewis Holdings, Inc. | 3,389 | $2.08M | 1.95% | +75+2.3% | Added |
| Regions Financial Corp | 3,329 | $2.10M | 0.01% | −144−4.1% | Reduced |
| GWM Advisors LLC | 3,374 | $2.13M | 0.01% | +1,062+45.9% | Added |
| Simon Quick Advisors, LLC | 3,379 | $2.13M | 0.10% | +3+0.1% | Added |
| First Financial Bankshares Inc | 3,414 | $2.15M | 0.04% | +3,414 | New |
| Generali Asset Management SPA SGR | 3,429 | $2.16M | 0.05% | −73−2.1% | Reduced |
| Hartford Investment Management Co | 3,517 | $2.22M | 0.07% | −107−3.0% | Reduced |
| Hudson Canyon Capital Management | 3,603 | $2.23M | 1.28% | −117−3.1% | Reduced |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 3,562 | $2.25M | 0.90% | −295−7.6% | Reduced |
| Raiffeisen Bank International AG | 3,712 | $2.31M | 0.03% | +981+35.9% | Added |
| Sterling Capital Management LLC | 3,732 | $2.35M | 0.03% | −273−6.8% | Reduced |
| Pinnacle Associates Ltd | 3,737 | $2.36M | 0.03% | +10.0% | Added |
| Weaver Capital Management LLC | 3,750 | $2.36M | 0.52% | −372−9.0% | Reduced |
| Kentucky Retirement Systems | 3,765 | $2.37M | 0.07% | −163−4.1% | Reduced |
| Numerai GP LLC | 3,792 | $2.39M | 0.34% | −1,281−25.3% | Reduced |
| Atlantic Union Bankshares Corp | 3,817 | $2.41M | 0.05% | +2,912+321.8% | Added |
| MML Investors Services, LLC | 3,826 | $2.41M | 0.01% | −170−4.3% | Reduced |
| NEOS Investment Management LLC | 3,862 | $2.43M | 0.02% | +1,188+44.4% | Added |
| Investment Management Corp of Ontario | 3,873 | $2.44M | 0.04% | +1,304+50.8% | Added |
| Wiley Bros.-Aintree Capital, LLC | 3,875 | $2.44M | 0.02% | +577+17.5% | Added |
| Clearstead Advisors, LLC | 3,904 | $2.46M | 0.04% | −3,776−49.2% | Reduced |
| Oddo BHF Asset Management SAS | 3,912 | $2.47M | 0.09% | −3,649−48.3% | Reduced |
| One Madison Group LLC | 4,000 | $2.52M | 0.28% | +4,000 | New |
| Lipe & Dalton | 4,013 | $2.53M | 1.25% | 00.0% | Unchanged |
| Delta Global Management LP | 4,042 | $2.55M | 0.19% | −409−9.2% | Reduced |
| GKV Capital Management Co., Inc. | 4,046 | $2.55M | 1.01% | +60+1.5% | Added |
| Mattson Financial Services, LLC | 4,057 | $2.56M | 0.61% | +4,057 | New |
| Envestnet Portfolio Solutions, Inc. | 4,093 | $2.58M | 0.01% | −55−1.3% | Reduced |
| AXA Investment Managers S.A. | 4,101 | $2.58M | 0.01% | +4,101 | New |
| Cultivar Capital, Inc. | 4,147 | $2.61M | 1.74% | −300−6.7% | Reduced |