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, Q2 2026
Institutional positions in Martin Marietta Materials Inc as of Jun 30, 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
- 1,079
- +13 vs. Q1 2026
- Shares held
- 59.2M
- +954.3K (+1.6%) vs. Q1 2026
- Total value
- $34.2B
- −$107.1M (−0.3%) vs. Q1 2026
- New holders
- 110
- 363 more added
- Sold out
- 97
- 395 more reduced
11 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Claret Asset Management Corp | 388 | $224.0K | 0.02% | −32−7.6% | Reduced |
| Banco Santander, S.A. | 386 | $222.6K | 0.00% | 00.0% | Unchanged |
| Supplemental Annuity Collective Trust of NJ | 385 | $222.0K | 0.06% | −23−5.6% | Reduced |
| Thompson Siegel & Walmsley LLC | 385 | $222.0K | 0.00% | 00.0% | Unchanged |
| One Wealth Advisors, LLC | 384 | $221.5K | 0.02% | 00.0% | Unchanged |
| One Capital Management, LLC | 374 | $220.2K | 0.01% | 00.0% | Unchanged |
| IHT Wealth Management, LLC | 377 | $217.4K | 0.00% | −20−5.0% | Reduced |
| Modera Wealth Management, LLC | 376 | $216.8K | 0.00% | 00.0% | Unchanged |
| 71 West Capital Partners | 374 | $215.7K | 0.01% | +374 | New |
| Aaron Wealth Advisors | 373 | $215.3K | 0.01% | −310−45.4% | Reduced |
| Rehmann Capital Advisory Group | 372 | $214.9K | 0.01% | −1−0.3% | Reduced |
| Waldron Private Wealth LLC | 371 | $214.0K | 0.01% | +10+2.8% | Added |
| Jackson Thornton Asset Management, LLC | 369 | $212.8K | 0.02% | +369 | New |
| Private Wealth Asset Management, LLC | 378 | $212.2K | 0.02% | +35+10.2% | Added |
| Livforsakringsbolaget Skandia, Omsesidigt | 368 | $212.2K | 0.01% | 00.0% | Unchanged |
| PCM Encore, LLC | 365 | $210.5K | 0.04% | −6−1.6% | Reduced |
| Ostrum Asset Management | 365 | $210.5K | 0.01% | 00.0% | Unchanged |
| Catalyst Financial Partners LLC | 365 | $210.5K | 0.02% | +1+0.3% | Added |
| Sendero Wealth Management, LLC | 363 | $209.3K | 0.02% | −2−0.5% | Reduced |
| Boston Trust Walden Corp | 363 | $209.3K | 0.00% | 00.0% | Unchanged |
| Traynor Capital Management, Inc. | 361 | $208.2K | 0.01% | +4+1.1% | Added |
| Anchor Investment Management, LLC | 360 | $207.7K | 0.02% | 00.0% | Unchanged |
| Oakwell Private Wealth Management, LLC | 357 | $205.9K | 0.03% | +7+2.0% | Added |
| LRI Investments, LLC | 357 | $205.9K | 0.02% | +42+13.3% | Added |
| Spire Wealth Management | 355 | $204.7K | 0.01% | −1−0.3% | Reduced |
| OneAscent Investment Solutions LLC | 353 | $203.6K | 0.19% | +353 | New |
| Dana Investment Advisors, Inc. | 352 | $203.0K | 0.01% | −34−8.8% | Reduced |
| Qtron Investments LLC | 351 | $202.4K | 0.03% | −1,120−76.1% | Reduced |
| Penobscot Investment Management Company, Inc. | 350 | $201.8K | 0.01% | 00.0% | Unchanged |
| Vanguard National Trust Co | 350 | $201.8K | 0.01% | 00.0% | Unchanged |
| Donaldson Capital Management, LLC | 350 | $201.8K | 0.01% | +350 | New |
| Keel Point, LLC | 348 | $200.7K | 0.01% | +348 | New |
| Bokf, NA | 337 | $194.3K | 0.00% | +2+0.6% | Added |
| Pinnacle Wealth Planning Services, Inc. | 336 | $193.8K | 0.02% | +3+0.9% | Added |
| Private Trust Co NA | 324 | $186.9K | 0.01% | −13−3.9% | Reduced |
| NBC Securities, Inc. | 312 | $179.9K | 0.01% | +88+39.3% | Added |
| True Wealth Design, LLC | 306 | $176.5K | 0.04% | −10−3.2% | Reduced |
| Central Trust Co | 301 | $173.6K | 0.00% | +1+0.3% | Added |
| Cary Street Partner Investment Advisory LLC | 297 | $171.3K | 0.03% | −21−6.6% | Reduced |
| IFG Advisory, LLC | 296 | $170.7K | 0.01% | +296 | New |
| Los Angeles Capital Management LLC | 272 | $156.9K | 0.00% | +47+20.9% | Added |
| First Horizon Corp | 260 | $149.9K | 0.01% | −221−45.9% | Reduced |
| Exchange Traded Concepts, LLC | 258 | $148.8K | 0.00% | −21−7.5% | Reduced |
| Tiaa-Cref Individual & Institutional Services, LLC | 251 | $144.8K | 0.00% | −19−7.0% | Reduced |
| Keating Financial Advisory Services, Inc. | 234 | $134.9K | 0.02% | +155+196.2% | Added |
| Strategic Wealth Partners, Ltd. | 226 | $130.3K | 0.01% | −2−0.9% | Reduced |
| Colonial Trust Co | 208 | $120.0K | 0.02% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 206 | $118.8K | 0.01% | +59+40.1% | Added |
| Swiss Re Ltd | 204 | $117.6K | 0.01% | +204 | New |
| Rowland & Co Investment Counsel | 200 | $115.3K | 0.02% | 00.0% | Unchanged |
| Davis Asset Management, L.P. | 200 | $115.3K | 0.00% | 00.0% | Unchanged |
| First Command Advisory Services, Inc. | 193 | $111.3K | 0.00% | +83+75.5% | Added |
| Parkside Financial Bank & Trust | 186 | $107.3K | 0.01% | −11−5.6% | Reduced |
| Custom Index Systems, LLC | 184 | $106.1K | 0.04% | +184 | New |
| Swedbank AB | 175 | $100.9K | 0.00% | +4+2.3% | Added |
| Stone House Investment Management, LLC | 175 | $100.9K | 0.01% | +175 | New |
| Eastern Bank | 175 | $100.9K | 0.00% | +45+34.6% | Added |
| Ronald Blue Trust, Inc. | 175 | $100.8K | 0.00% | −59−25.2% | Reduced |
| TIAA Wealth Investment Management LLC | 173 | $99.8K | 0.00% | −23−11.7% | Reduced |
| Smithfield Trust Co | 175 | $99.0K | 0.00% | 00.0% | Unchanged |
| Edmond de Rothschild Holding S.A. | 166 | $95.7K | 0.00% | +166 | New |
| Onefund, LLC | 162 | $93.4K | 0.05% | −2−1.2% | Reduced |
| Cromwell Holdings LLC | 159 | $91.7K | 0.04% | +48+43.2% | Added |
| Glen Eagle Advisors, LLC | 152 | $87.7K | 0.01% | +2+1.3% | Added |
| CVA Family Office, LLC | 150 | $86.5K | 0.01% | −26−14.8% | Reduced |
| Harbour Investments, Inc. | 144 | $83.0K | 0.00% | +7+5.1% | Added |
| Cary Street Partners Financial LLC | 139 | $80.2K | 0.00% | +9+6.9% | Added |
| Osbon Capital Management LLC | 136 | $78.4K | 0.06% | 00.0% | Unchanged |
| USA Financial Formulas | 136 | $78.4K | 0.01% | +136 | New |
| Consultiva Wealth Management, Corp. | 130 | $75.0K | 0.17% | 00.0% | Unchanged |
| Harbor Investment Advisory, LLC | 128 | $73.8K | 0.01% | 00.0% | Unchanged |
| Birchbrook, Inc. | 126 | $72.6K | 0.03% | 00.0% | Unchanged |
| Westpac Banking Corp | 121 | $69.8K | 0.00% | −37−23.4% | Reduced |
| Strive Financial Group ,LLC | 121 | $69.8K | 0.03% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 120 | $69.5K | 0.01% | −6,090−98.1% | Reduced |
| Fortitude Family Office, LLC | 115 | $66.3K | 0.01% | +1+0.9% | Added |
| Western Pacific Wealth Management, LP | 112 | $64.6K | 0.06% | −47−29.6% | Reduced |
| Caldwell Trust Co | 105 | $60.6K | 0.00% | 00.0% | Unchanged |
| Pinnacle Bancorp, Inc. | 103 | $59.4K | 0.02% | 00.0% | Unchanged |
| Valley National Advisers Inc | 100 | $57.7K | 0.01% | −39−28.1% | Reduced |
| Concord Wealth Partners | 100 | $57.7K | 0.01% | +100 | New |
| Bogart Wealth, LLC | 99 | $57.1K | 0.00% | +1+1.0% | Added |
| Pension & Wealth Management Advisors, Inc. | 96 | $55.9K | 0.02% | −18−15.8% | Reduced |
| Rothschild Investment LLC | 93 | $53.8K | 0.00% | −7−7.0% | Reduced |
| RMG Wealth Management LLC | 98 | $53.3K | 0.01% | −8−7.5% | Reduced |
| Roxbury Financial LLC | 92 | $52.9K | 0.04% | −40−30.3% | Reduced |
| Basecamp Wealth Advisors LLC | 86 | $49.6K | 0.01% | −1−1.1% | Reduced |
| Deseret Mutual Benefit Administrators | 86 | $49.6K | 0.02% | 00.0% | Unchanged |
| IMA Wealth, Inc. | 85 | $49.0K | 0.00% | 00.0% | Unchanged |
| Prosperity Bancshares Inc | 84 | $48.4K | 0.03% | −8−8.7% | Reduced |
| Pin Oak Investment Advisors Inc | 84 | $48.0K | 0.03% | 00.0% | Unchanged |
| Midwest Capital Advisors, LLC | 82 | $47.5K | 0.02% | 00.0% | Unchanged |
| Brown, Lisle/Cummings, Inc. | 82 | $47.5K | 0.01% | +5+6.5% | Added |
| Estabrook Capital Management | 82 | $47.3K | 0.01% | 00.0% | Unchanged |
| Index Technologies Group LLC | 82 | $47.3K | 0.04% | +82 | New |
| Harel Insurance Investments & Financial Services Ltd. | 80 | $46.0K | 0.00% | +7+9.6% | Added |
| Bryn Mawr Trust Co | 79 | $45.6K | 0.00% | +41+107.9% | Added |
| Raffa Wealth Management, LLC | 78 | $45.0K | 0.01% | +3+4.0% | Added |
| MV Capital Management, Inc. | 76 | $43.8K | 0.00% | −1−1.3% | Reduced |
| Zions Bancorporation, National Association | 76 | $43.8K | 0.00% | +22+40.7% | Added |