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 |
|---|---|---|---|---|---|
| Marco Investment Management LLC | 400 | $249.1K | 0.02% | 00.0% | Unchanged |
| Charter Research & Investment Group, Inc. | 400 | $249.1K | 0.17% | 00.0% | Unchanged |
| Delta Investment Management, LLC | 400 | $249.1K | 0.04% | 00.0% | Unchanged |
| Equitable Holdings, Inc. | 397 | $247.2K | 0.00% | −42−9.6% | Reduced |
| Modera Wealth Management, LLC | 397 | $247.1K | 0.00% | −6−1.5% | Reduced |
| Central Bank & Trust Co | 395 | $246.0K | 0.04% | 00.0% | Unchanged |
| ING Groep NV | 394 | $245.3K | 0.00% | +394 | New |
| Prospera Financial Services Inc | 388 | $242.8K | 0.00% | −253−39.5% | Reduced |
| Graham Capital Management, L.P. | 388 | $241.6K | 0.01% | −8,812−95.8% | Reduced |
| IHT Wealth Management, LLC | 387 | $240.9K | 0.01% | −8−2.0% | Reduced |
| Banco Santander, S.A. | 386 | $240.3K | 0.00% | −53−12.1% | Reduced |
| Thompson Siegel & Walmsley LLC | 385 | $240.0K | 0.00% | 00.0% | Unchanged |
| Pines Wealth Management, LLC | 384 | $239.1K | 0.08% | +384 | New |
| Rodgers & Associates, LTD | 384 | $239.1K | 0.02% | 00.0% | Unchanged |
| Essex Financial Services, Inc. | 381 | $237.5K | 0.01% | +381 | New |
| Patton Fund Management, Inc. | 381 | $237.2K | 0.03% | −55−12.6% | Reduced |
| Prelude Capital Management, LLC | 381 | $237.2K | 0.02% | +381 | New |
| PCM Encore, LLC | 380 | $236.4K | 0.05% | +380 | New |
| Atom Investors LP | 373 | $232.3K | 0.02% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 369 | $229.9K | 0.00% | −38−9.3% | Reduced |
| One Capital Management, LLC | 369 | $229.8K | 0.01% | −3−0.8% | Reduced |
| Rehmann Capital Advisory Group | 368 | $229.5K | 0.01% | 00.0% | Unchanged |
| SCS Capital Management LLC | 368 | $229.2K | 0.00% | 00.0% | Unchanged |
| Livforsakringsbolaget Skandia, Omsesidigt | 368 | $229.1K | 0.01% | 00.0% | Unchanged |
| Frec Markets, Inc. | 364 | $227.1K | 0.07% | +364 | New |
| Boston Trust Walden Corp | 363 | $226.0K | 0.00% | 00.0% | Unchanged |
| Traynor Capital Management, Inc. | 361 | $224.8K | 0.01% | +3+0.8% | 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 |
| Catalyst Financial Partners LLC | 358 | $222.9K | 0.02% | +1+0.3% | Added |
| Daner Wealth Management, LLC | 313 | $221.7K | 0.14% | +313 | New |
| Portside Wealth Group, LLC | 354 | $220.4K | 0.03% | −48−11.9% | Reduced |
| NFP Retirement, Inc. | 354 | $220.4K | 0.01% | 00.0% | Unchanged |
| One Wealth Advisors, LLC | 352 | $219.2K | 0.03% | 00.0% | Unchanged |
| Oakwell Private Wealth Management, LLC | 351 | $218.6K | 0.04% | +1+0.3% | Added |
| 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 |
| J. Derek Lewis & Associates Inc. | 345 | $214.8K | 0.05% | +345 | New |
| Wellspring Financial Advisors, LLC | 343 | $214.1K | 0.02% | +343 | New |
| 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 |
| EverSource Wealth Advisors, LLC | 340 | $211.9K | 0.01% | −41−10.8% | Reduced |
| Accel Wealth Management | 340 | $211.8K | 0.06% | 00.0% | Unchanged |
| FourThought Financial Partners, LLC | 339 | $211.1K | 0.02% | +21+6.6% | Added |
| Silver Oak Securities, Inc | 334 | $211.0K | 0.01% | 00.0% | Unchanged |
| LRI Investments, LLC | 337 | $209.8K | 0.02% | −7−2.0% | Reduced |
| KPP Advisory Services LLC | 336 | $209.2K | 0.03% | −12−3.4% | Reduced |
| Eagle Bay Advisors LLC | 335 | $208.7K | 0.15% | +335 | New |
| We Are One Seven, LLC | 334 | $208.1K | 0.00% | −20−5.6% | Reduced |
| Pavion Blue Capital, LLC | 334 | $208.0K | 0.09% | 00.0% | Unchanged |
| Sigma Planning Corp | 334 | $207.7K | 0.01% | +334 | New |
| Prota Financial, LLC | 333 | $207.6K | 0.15% | +333 | New |
| Pinnacle Wealth Planning Services, Inc. | 333 | $207.3K | 0.02% | +10+3.1% | Added |
| Conning Inc. | 331 | $206.1K | 0.01% | +331 | New |
| Tiaa Trust, National Association | 331 | $206.1K | 0.00% | −21−6.0% | Reduced |
| Shelton Capital Management | 331 | $206.1K | 0.00% | 00.0% | Unchanged |
| Heartland Bank & Trust Co | 330 | $205.5K | 0.09% | −7−2.1% | Reduced |
| Xxi Wealth, LLC | 329 | $204.9K | 0.12% | +329 | New |
| Fisher Asset Management, LLC | 328 | $204.6K | 0.00% | −55−14.4% | Reduced |
| Arcus Capital Partners, LLC | 328 | $204.2K | 0.07% | +328 | New |
| Abel Hall, LLC | 328 | $204.2K | 0.05% | +328 | New |
| Longboard Asset Management, LP | 327 | $203.6K | 1.29% | 00.0% | Unchanged |
| Capital Investment Advisors, LLC | 325 | $202.6K | 0.00% | +325 | New |
| Welch & Forbes LLC | 324 | $201.7K | 0.00% | 00.0% | Unchanged |
| Bokf, NA | 323 | $201.1K | 0.00% | −365−53.1% | Reduced |
| South Shore Capital Advisors | 323 | $201.1K | 0.15% | +323 | New |
| HBK Sorce Advisory LLC | 290 | $200.1K | 0.00% | +290 | New |
| Barlow Wealth Partners, Inc. | 300 | $200.0K | 0.02% | +300 | New |
| True Wealth Design, LLC | 307 | $191.2K | 0.06% | −1−0.3% | Reduced |
| Intact Investment Management Inc. | 300 | $186.8K | 0.01% | +300 | New |
| BNP Paribas | 295 | $186.2K | 0.01% | −2,948−90.9% | Reduced |
| Central Trust Co | 292 | $181.8K | 0.00% | +1+0.3% | Added |
| Zions Bancorporation, National Association | 292 | $181.8K | 0.01% | +225+335.8% | Added |
| Cary Street Partner Investment Advisory LLC | 289 | $179.9K | 0.05% | +60+26.2% | Added |
| Elyxium Wealth, LLC | 287 | $178.7K | 0.05% | +287 | New |
| Los Angeles Capital Management LLC | 272 | $166.7K | 0.00% | +272 | New |
| TCTC Holdings, LLC | 260 | $161.9K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 245 | $152.3K | 0.00% | +19+8.4% | Added |
| Exchange Traded Concepts, LLC | 243 | $151.3K | 0.00% | −374−60.6% | Reduced |
| Colonial Trust Co | 233 | $145.1K | 0.02% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 229 | $142.4K | 0.00% | −1,170−83.6% | Reduced |
| Strategic Wealth Partners, Ltd. | 226 | $140.7K | 0.01% | −74−24.7% | Reduced |
| Onefund, LLC | 222 | $138.2K | 0.08% | +51+29.8% | Added |
| Flagship Harbor Advisors, LLC | 219 | $136.4K | 0.01% | +219 | New |
| Johnson Financial Group, Inc. | 212 | $132.0K | 0.00% | +109+105.8% | Added |
| Parkside Financial Bank & Trust | 201 | $125.2K | 0.01% | +7+3.6% | Added |
| Rowland & Co Investment Counsel | 200 | $124.5K | 0.02% | 00.0% | Unchanged |
| IFC & Insurance Marketing, Inc. | 191 | $119.0K | 0.12% | +191 | New |
| North Ridge Wealth Advisors, Inc. | 188 | $117.1K | 0.07% | 00.0% | Unchanged |
| Essential Partners LLC | 182 | $113.3K | 0.03% | +28+18.2% | Added |
| Smithfield Trust Co | 175 | $109.0K | 0.00% | 00.0% | Unchanged |
| Westpac Banking Corp | 158 | $98.4K | 0.01% | 00.0% | Unchanged |
| Glen Eagle Advisors, LLC | 150 | $93.4K | 0.01% | 00.0% | Unchanged |
| Harbor Investment Advisory, LLC | 146 | $90.9K | 0.01% | +28+23.7% | Added |
| Annis Gardner Whiting Capital Advisors, LLC | 143 | $89.0K | 0.02% | −1−0.7% | Reduced |
| Western Pacific Wealth Management, LP | 143 | $89.0K | 0.09% | 00.0% | Unchanged |
| Clayton Financial Group LLC | 140 | $87.2K | 0.04% | +4+2.9% | Added |
| Valley National Advisers Inc | 141 | $87.0K | 0.01% | +6+4.4% | Added |