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 |
|---|---|---|---|---|---|
| Crestwood Advisors Group LLC | 374 | $235.7K | 0.00% | +374 | New |
| Atom Investors LP | 373 | $235.1K | 0.02% | +373 | New |
| One Capital Management, LLC | 372 | $234.5K | 0.01% | −5−1.3% | Reduced |
| Rehmann Capital Advisory Group | 368 | $232.2K | 0.01% | −30−7.5% | Reduced |
| SCS Capital Management LLC | 368 | $231.9K | 0.00% | +368 | New |
| Livforsakringsbolaget Skandia, Omsesidigt | 368 | $231.8K | 0.01% | 00.0% | Unchanged |
| Boston Trust Walden Corp | 363 | $228.8K | 0.00% | +363 | New |
| Traynor Capital Management, Inc. | 358 | $225.6K | 0.01% | +358 | New |
| Catalyst Financial Partners LLC | 357 | $225.0K | 0.03% | +357 | New |
| SPC Financial, Inc. | 356 | $224.4K | 0.02% | +356 | New |
| Pitcairn Co | 355 | $223.7K | 0.02% | −101−22.1% | Reduced |
| We Are One Seven, LLC | 354 | $223.2K | 0.01% | +354 | New |
| NFP Retirement, Inc. | 354 | $223.1K | 0.01% | +354 | New |
| One Wealth Advisors, LLC | 352 | $221.9K | 0.03% | +352 | New |
| Tiaa Trust, National Association | 352 | $221.9K | 0.00% | +352 | New |
| Penobscot Investment Management Company, Inc. | 350 | $220.6K | 0.02% | +350 | New |
| Independent Solutions Wealth Management, LLC | 350 | $220.6K | 0.04% | +350 | New |
| Oakwell Private Wealth Management, LLC | 350 | $220.6K | 0.04% | +350 | New |
| Fortress Wealth Group, LLC | 358 | $220.6K | 0.10% | +358 | New |
| KPP Advisory Services LLC | 348 | $219.3K | 0.03% | +348 | New |
| Childress Capital Advisors, LLC | 346 | $218.1K | 0.04% | +346 | New |
| LRI Investments, LLC | 344 | $216.7K | 0.02% | +5+1.5% | Added |
| Trust Point Inc. | 342 | $215.6K | 0.02% | +342 | New |
| Accel Wealth Management | 340 | $214.4K | 0.06% | −100−22.7% | Reduced |
| Private Trust Co NA | 339 | $213.7K | 0.02% | +32+10.4% | Added |
| Heartland Bank & Trust Co | 337 | $212.4K | 0.09% | +337 | New |
| Silver Oak Securities, Inc | 334 | $210.6K | 0.02% | +334 | New |
| Pavion Blue Capital, LLC | 334 | $210.5K | 0.09% | +334 | New |
| Shelton Capital Management | 331 | $208.6K | 0.00% | +331 | New |
| Longboard Asset Management, LP | 327 | $206.1K | 0.33% | +327 | New |
| Welch & Forbes LLC | 324 | $204.2K | 0.00% | +324 | New |
| Pinnacle Wealth Planning Services, Inc. | 323 | $203.6K | 0.02% | +323 | New |
| EWG Elevate Inc. | 323 | $203.6K | 0.06% | +323 | New |
| West Family Investments, Inc. | 321 | $202.3K | 0.05% | +321 | New |
| Woodard & Co Asset Management Group Inc | 320 | $201.7K | 0.03% | +320 | New |
| Old National Bancorp | 319 | $201.1K | 0.00% | +319 | New |
| FourThought Financial Partners, LLC | 318 | $200.2K | 0.02% | +318 | New |
| True Wealth Design, LLC | 308 | $194.1K | 0.06% | +1+0.3% | Added |
| JFS Wealth Advisors, LLC | 304 | $191.6K | 0.01% | +275+948.3% | Added |
| Strategic Wealth Partners, Ltd. | 300 | $189.1K | 0.01% | −1,774−85.5% | Reduced |
| Central Trust Co | 291 | $183.4K | 0.00% | +73+33.5% | Added |
| First Horizon Corp | 291 | $183.4K | 0.01% | +291 | New |
| Group One Trading, L.P. | 268 | $168.9K | 0.01% | −100−27.2% | Reduced |
| Hilltop National Bank | 265 | $167.0K | 0.04% | 00.0% | Unchanged |
| TCTC Holdings, LLC | 260 | $163.9K | 0.00% | 00.0% | Unchanged |
| Colonial Trust Co | 233 | $146.9K | 0.02% | 00.0% | Unchanged |
| Cary Street Partner Investment Advisory LLC | 229 | $144.3K | 0.06% | +229 | New |
| Ronald Blue Trust, Inc. | 226 | $142.2K | 0.00% | +43+23.5% | Added |
| Global Retirement Partners, LLC | 204 | $128.7K | 0.00% | −108−34.6% | Reduced |
| Rowland & Co Investment Counsel | 200 | $126.1K | 0.02% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 194 | $122.3K | 0.01% | +13+7.2% | Added |
| North Ridge Wealth Advisors, Inc. | 188 | $118.5K | 0.07% | 00.0% | Unchanged |
| PEAK6 LLC | 175 | $110.2K | 0.00% | +116+196.6% | Added |
| Smithfield Trust Co | 175 | $110.0K | 0.00% | 00.0% | Unchanged |
| Onefund, LLC | 171 | $107.8K | 0.07% | +9+5.6% | Added |
| Manchester Capital Management LLC | 167 | $105.3K | 0.01% | −330−66.4% | Reduced |
| Rothschild Investment LLC | 161 | $101.5K | 0.01% | +69+75.0% | Added |
| Westpac Banking Corp | 158 | $99.6K | 0.01% | 00.0% | Unchanged |
| Essential Partners LLC | 154 | $97.1K | 0.03% | +115+294.9% | Added |
| Glen Eagle Advisors, LLC | 150 | $94.5K | 0.01% | 00.0% | Unchanged |
| Annis Gardner Whiting Capital Advisors, LLC | 144 | $90.8K | 0.02% | +2+1.4% | Added |
| Western Pacific Wealth Management, LP | 143 | $90.1K | 0.09% | 00.0% | Unchanged |
| Clayton Financial Group LLC | 136 | $85.7K | 0.06% | +136 | New |
| Sentry Investment Management LLC | 132 | $84.0K | 0.06% | −46−25.8% | Reduced |
| Valley National Advisers Inc | 135 | $84.0K | 0.01% | +13+10.7% | Added |
| Roxbury Financial LLC | 132 | $82.9K | 0.08% | +1+0.8% | Added |
| Consultiva Wealth Management, Corp. | 130 | $81.9K | 0.23% | 00.0% | Unchanged |
| NBC Securities, Inc. | 127 | $80.0K | 0.01% | −10−7.3% | Reduced |
| CVA Family Office, LLC | 126 | $79.4K | 0.01% | +1+0.8% | Added |
| Birchbrook, Inc. | 126 | $79.4K | 0.04% | 00.0% | Unchanged |
| Arlington Trust Co LLC | 124 | $78.2K | 0.01% | −20−13.9% | Reduced |
| Eastern Bank | 124 | $78.2K | 0.00% | 00.0% | Unchanged |
| Cary Street Partners Financial LLC | 123 | $77.5K | 0.00% | +123 | New |
| Harbor Investment Advisory, LLC | 118 | $74.4K | 0.01% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 115 | $72.5K | 0.05% | +115 | New |
| ZRC Wealth Management, LLC | 113 | $71.2K | 0.03% | +3+2.7% | Added |
| Cromwell Holdings LLC | 110 | $69.3K | 0.04% | 00.0% | Unchanged |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 106 | $66.8K | 0.13% | −1,437−93.1% | Reduced |
| Caldwell Trust Co | 105 | $66.2K | 0.01% | 00.0% | Unchanged |
| Johnson Financial Group, Inc. | 103 | $64.9K | 0.00% | +88+586.7% | Added |
| Pinnacle Bancorp, Inc. | 103 | $64.9K | 0.02% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 103 | $64.9K | 0.02% | +1+1.0% | Added |
| Clear Street Markets LLC | 103 | $64.9K | 0.02% | +63+157.5% | Added |
| Concord Wealth Partners | 100 | $63.0K | 0.01% | −68−40.5% | Reduced |
| RMG Wealth Management LLC | 98 | $62.1K | 0.01% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 92 | $58.0K | 0.01% | +14+17.9% | Added |
| Pension & Wealth Management Advisors, Inc. | 90 | $57.2K | 0.02% | −51−36.2% | Reduced |
| Root Financial Partners, LLC | 88 | $55.5K | 0.00% | +88 | New |
| Pin Oak Investment Advisors Inc | 87 | $54.8K | 0.04% | −14−13.9% | Reduced |
| Bogart Wealth, LLC | 87 | $54.8K | 0.00% | +2+2.4% | Added |
| Tobam | 86 | $54.0K | 0.02% | +14+19.4% | Added |
| IMA Wealth, Inc. | 85 | $53.6K | 0.01% | 00.0% | Unchanged |
| Midwest Capital Advisors, LLC | 82 | $51.7K | 0.02% | 00.0% | Unchanged |
| Estabrook Capital Management | 82 | $51.7K | 0.01% | 00.0% | Unchanged |
| AXS Investments LLC | 81 | $51.1K | 0.02% | +81 | New |
| MV Capital Management, Inc. | 78 | $49.2K | 0.00% | 00.0% | Unchanged |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 75 | $47.3K | 0.01% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 73 | $44.8K | 0.01% | +45+160.7% | Added |
| Raffa Wealth Management, LLC | 71 | $44.8K | 0.01% | −49−40.8% | Reduced |
| Osterweis Capital Management Inc | 68 | $42.9K | 0.00% | 00.0% | Unchanged |