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, Q4 2025
Institutional positions in Martin Marietta Materials Inc as of Dec 31, 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
- 1,117
- +83 vs. Q3 2025
- Shares held
- 59.6M
- +1.51M (+2.6%) vs. Q3 2025
- Total value
- $37.1B
- +$525.1M (+1.4%) vs. Q3 2025
- New holders
- 155
- 362 more added
- Sold out
- 72
- 352 more reduced
19 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Caldwell Trust Co | 105 | $65.4K | 0.01% | 00.0% | Unchanged |
| Cromwell Holdings LLC | 110 | $68.5K | 0.04% | 00.0% | Unchanged |
| ZRC Wealth Management, LLC | 113 | $70.4K | 0.02% | 00.0% | Unchanged |
| Pension & Wealth Management Advisors, Inc. | 114 | $71.3K | 0.02% | +24+26.7% | Added |
| ORG Partners LLC | 116 | $72.2K | 0.01% | +85+274.2% | Added |
| Torren Management, LLC | 116 | $72.3K | 0.04% | +116 | New |
| Strive Financial Group ,LLC | 121 | $75.3K | 0.04% | +121 | New |
| Cary Street Partners Financial LLC | 123 | $76.6K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 124 | $77.4K | 0.00% | −37−23.0% | Reduced |
| CVA Family Office, LLC | 125 | $77.8K | 0.01% | −1−0.8% | Reduced |
| Birchbrook, Inc. | 126 | $78.4K | 0.04% | 00.0% | Unchanged |
| NBC Securities, Inc. | 126 | $78.5K | 0.01% | −1−0.8% | Reduced |
| Consultiva Wealth Management, Corp. | 130 | $80.9K | 0.23% | 00.0% | Unchanged |
| Eastern Bank | 130 | $80.9K | 0.00% | +6+4.8% | Added |
| Sentry Investment Management LLC | 132 | $82.0K | 0.05% | 00.0% | Unchanged |
| Roxbury Financial LLC | 132 | $82.0K | 0.07% | 00.0% | Unchanged |
| Osbon Capital Management LLC | 136 | $84.7K | 0.08% | +136 | New |
| Valley National Advisers Inc | 141 | $87.0K | 0.01% | +6+4.4% | Added |
| Clayton Financial Group LLC | 140 | $87.2K | 0.04% | +4+2.9% | Added |
| Western Pacific Wealth Management, LP | 143 | $89.0K | 0.09% | 00.0% | Unchanged |
| Annis Gardner Whiting Capital Advisors, LLC | 143 | $89.0K | 0.02% | −1−0.7% | Reduced |
| Harbor Investment Advisory, LLC | 146 | $90.9K | 0.01% | +28+23.7% | Added |
| Glen Eagle Advisors, LLC | 150 | $93.4K | 0.01% | 00.0% | Unchanged |
| Westpac Banking Corp | 158 | $98.4K | 0.01% | 00.0% | Unchanged |
| Smithfield Trust Co | 175 | $109.0K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 182 | $113.3K | 0.03% | +28+18.2% | Added |
| North Ridge Wealth Advisors, Inc. | 188 | $117.1K | 0.07% | 00.0% | Unchanged |
| IFC & Insurance Marketing, Inc. | 191 | $119.0K | 0.12% | +191 | New |
| Rowland & Co Investment Counsel | 200 | $124.5K | 0.02% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 201 | $125.2K | 0.01% | +7+3.6% | Added |
| Johnson Financial Group, Inc. | 212 | $132.0K | 0.00% | +109+105.8% | Added |
| Flagship Harbor Advisors, LLC | 219 | $136.4K | 0.01% | +219 | New |
| Onefund, LLC | 222 | $138.2K | 0.08% | +51+29.8% | Added |
| Strategic Wealth Partners, Ltd. | 226 | $140.7K | 0.01% | −74−24.7% | Reduced |
| SRS Capital Advisors, Inc. | 229 | $142.4K | 0.00% | −1,170−83.6% | Reduced |
| Colonial Trust Co | 233 | $145.1K | 0.02% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 243 | $151.3K | 0.00% | −374−60.6% | Reduced |
| Ronald Blue Trust, Inc. | 245 | $152.3K | 0.00% | +19+8.4% | Added |
| TCTC Holdings, LLC | 260 | $161.9K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 272 | $166.7K | 0.00% | +272 | New |
| Elyxium Wealth, LLC | 287 | $178.7K | 0.05% | +287 | New |
| Cary Street Partner Investment Advisory LLC | 289 | $179.9K | 0.05% | +60+26.2% | Added |
| Zions Bancorporation, National Association | 292 | $181.8K | 0.01% | +225+335.8% | Added |
| Central Trust Co | 292 | $181.8K | 0.00% | +1+0.3% | Added |
| BNP Paribas | 295 | $186.2K | 0.01% | −2,948−90.9% | Reduced |
| Intact Investment Management Inc. | 300 | $186.8K | 0.01% | +300 | New |
| True Wealth Design, LLC | 307 | $191.2K | 0.06% | −1−0.3% | Reduced |
| Barlow Wealth Partners, Inc. | 300 | $200.0K | 0.02% | +300 | New |
| HBK Sorce Advisory LLC | 290 | $200.1K | 0.00% | +290 | New |
| Bokf, NA | 323 | $201.1K | 0.00% | −365−53.1% | Reduced |
| South Shore Capital Advisors | 323 | $201.1K | 0.15% | +323 | New |
| Welch & Forbes LLC | 324 | $201.7K | 0.00% | 00.0% | Unchanged |
| Capital Investment Advisors, LLC | 325 | $202.6K | 0.00% | +325 | New |
| Longboard Asset Management, LP | 327 | $203.6K | 1.29% | 00.0% | Unchanged |
| Abel Hall, LLC | 328 | $204.2K | 0.05% | +328 | New |
| Arcus Capital Partners, LLC | 328 | $204.2K | 0.07% | +328 | New |
| Fisher Asset Management, LLC | 328 | $204.6K | 0.00% | −55−14.4% | Reduced |
| Xxi Wealth, LLC | 329 | $204.9K | 0.12% | +329 | New |
| Heartland Bank & Trust Co | 330 | $205.5K | 0.09% | −7−2.1% | Reduced |
| Tiaa Trust, National Association | 331 | $206.1K | 0.00% | −21−6.0% | Reduced |
| Shelton Capital Management | 331 | $206.1K | 0.00% | 00.0% | Unchanged |
| Conning Inc. | 331 | $206.1K | 0.01% | +331 | New |
| Pinnacle Wealth Planning Services, Inc. | 333 | $207.3K | 0.02% | +10+3.1% | Added |
| Prota Financial, LLC | 333 | $207.6K | 0.15% | +333 | New |
| Sigma Planning Corp | 334 | $207.7K | 0.01% | +334 | New |
| Pavion Blue Capital, LLC | 334 | $208.0K | 0.09% | 00.0% | Unchanged |
| We Are One Seven, LLC | 334 | $208.1K | 0.00% | −20−5.6% | Reduced |
| Eagle Bay Advisors LLC | 335 | $208.7K | 0.15% | +335 | New |
| KPP Advisory Services LLC | 336 | $209.2K | 0.03% | −12−3.4% | Reduced |
| LRI Investments, LLC | 337 | $209.8K | 0.02% | −7−2.0% | Reduced |
| Silver Oak Securities, Inc | 334 | $211.0K | 0.01% | 00.0% | Unchanged |
| FourThought Financial Partners, LLC | 339 | $211.1K | 0.02% | +21+6.6% | Added |
| Accel Wealth Management | 340 | $211.8K | 0.06% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 340 | $211.9K | 0.01% | −41−10.8% | Reduced |
| First Citizens Financial Corp | 343 | $213.6K | 0.11% | −74−17.7% | Reduced |
| Childress Capital Advisors, LLC | 343 | $213.6K | 0.03% | −3−0.9% | Reduced |
| Private Wealth Asset Management, LLC | 343 | $213.6K | 0.02% | +300+697.7% | Added |
| Wellspring Financial Advisors, LLC | 343 | $214.1K | 0.02% | +343 | New |
| J. Derek Lewis & Associates Inc. | 345 | $214.8K | 0.05% | +345 | New |
| Penobscot Investment Management Company, Inc. | 350 | $217.9K | 0.02% | 00.0% | Unchanged |
| Independent Solutions Wealth Management, LLC | 350 | $217.9K | 0.04% | 00.0% | Unchanged |
| Glassy Mountain Advisors, Inc. | 350 | $217.9K | 0.07% | +350 | New |
| Oakwell Private Wealth Management, LLC | 351 | $218.6K | 0.04% | +1+0.3% | Added |
| One Wealth Advisors, LLC | 352 | $219.2K | 0.03% | 00.0% | Unchanged |
| Portside Wealth Group, LLC | 354 | $220.4K | 0.03% | −48−11.9% | Reduced |
| NFP Retirement, Inc. | 354 | $220.4K | 0.01% | 00.0% | Unchanged |
| Daner Wealth Management, LLC | 313 | $221.7K | 0.14% | +313 | New |
| Catalyst Financial Partners LLC | 358 | $222.9K | 0.02% | +1+0.3% | Added |
| Ostrum Asset Management | 360 | $224.2K | 0.01% | −118−24.7% | Reduced |
| Private Trust Co NA | 360 | $224.2K | 0.02% | +21+6.2% | Added |
| Traynor Capital Management, Inc. | 361 | $224.8K | 0.01% | +3+0.8% | Added |
| Boston Trust Walden Corp | 363 | $226.0K | 0.00% | 00.0% | Unchanged |
| Frec Markets, Inc. | 364 | $227.1K | 0.07% | +364 | New |
| Livforsakringsbolaget Skandia, Omsesidigt | 368 | $229.1K | 0.01% | 00.0% | Unchanged |
| SCS Capital Management LLC | 368 | $229.2K | 0.00% | 00.0% | Unchanged |
| Rehmann Capital Advisory Group | 368 | $229.5K | 0.01% | 00.0% | Unchanged |
| One Capital Management, LLC | 369 | $229.8K | 0.01% | −3−0.8% | Reduced |
| Cresset Asset Management, LLC | 369 | $229.9K | 0.00% | −38−9.3% | Reduced |
| Atom Investors LP | 373 | $232.3K | 0.02% | 00.0% | Unchanged |
| PCM Encore, LLC | 380 | $236.4K | 0.05% | +380 | New |