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, Q1 2026
Institutional positions in Martin Marietta Materials Inc as of Mar 31, 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
- 1,077
- −27 vs. Q4 2025
- Shares held
- 58.4M
- +7.30M (+14.3%) vs. Q4 2025
- Total value
- $34.3B
- +$2.51B (+7.9%) vs. Q4 2025
- New holders
- 103
- 370 more added
- Sold out
- 130
- 377 more reduced
13 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| First Command Advisory Services, Inc. | 110 | $64.8K | 0.00% | +34+44.7% | Added |
| Cromwell Holdings LLC | 111 | $65.3K | 0.04% | +1+0.9% | Added |
| Fortitude Family Office, LLC | 114 | $67.1K | 0.02% | +10+9.6% | Added |
| Pension & Wealth Management Advisors, Inc. | 114 | $67.4K | 0.02% | 00.0% | Unchanged |
| ZRC Wealth Management, LLC | 115 | $67.7K | 0.02% | +2+1.8% | Added |
| Golden State Equity Partners | 117 | $68.9K | 0.01% | +117 | New |
| Strive Financial Group ,LLC | 121 | $71.0K | 0.04% | 00.0% | Unchanged |
| Stephenson National Bank & Trust | 122 | $71.8K | 0.02% | +50+69.4% | Added |
| Birchbrook, Inc. | 126 | $74.1K | 0.04% | 00.0% | Unchanged |
| EFG International AG | 126 | $74.2K | 0.00% | +126 | New |
| Harbor Investment Advisory, LLC | 128 | $75.4K | 0.01% | −18−12.3% | Reduced |
| Eastern Bank | 130 | $76.5K | 0.00% | 00.0% | Unchanged |
| Consultiva Wealth Management, Corp. | 130 | $76.5K | 0.22% | 00.0% | Unchanged |
| Cary Street Partners Financial LLC | 130 | $76.5K | 0.00% | +7+5.7% | Added |
| Roxbury Financial LLC | 132 | $77.7K | 0.07% | 00.0% | Unchanged |
| Valley National Advisers Inc | 139 | $80.0K | 0.01% | −2−1.4% | Reduced |
| Osbon Capital Management LLC | 136 | $80.1K | 0.07% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 137 | $80.7K | 0.00% | +70+104.5% | Added |
| Clayton Financial Group LLC | 140 | $82.4K | 0.04% | 00.0% | Unchanged |
| Annis Gardner Whiting Capital Advisors, LLC | 143 | $84.2K | 0.01% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 147 | $86.5K | 0.01% | +45+44.1% | Added |
| Johnson Financial Group, Inc. | 148 | $87.1K | 0.00% | −64−30.2% | Reduced |
| Glen Eagle Advisors, LLC | 150 | $88.3K | 0.01% | 00.0% | Unchanged |
| Westpac Banking Corp | 158 | $93.0K | 0.01% | 00.0% | Unchanged |
| Western Pacific Wealth Management, LP | 159 | $93.6K | 0.10% | +16+11.2% | Added |
| Onefund, LLC | 164 | $98.2K | 0.06% | −58−26.1% | Reduced |
| Swedbank AB | 171 | $100.7K | 0.00% | −2,336−93.2% | Reduced |
| Smithfield Trust Co | 175 | $103.0K | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 176 | $103.6K | 0.01% | +51+40.8% | Added |
| North Ridge Wealth Advisors, Inc. | 188 | $110.7K | 0.06% | 00.0% | Unchanged |
| Global Assets Advisory, LLC | 190 | $111.8K | 0.03% | +190 | New |
| TIAA Wealth Investment Management LLC | 196 | $114.6K | 0.00% | +196 | New |
| Parkside Financial Bank & Trust | 197 | $116.0K | 0.01% | −4−2.0% | Reduced |
| Rowland & Co Investment Counsel | 200 | $117.7K | 0.02% | 00.0% | Unchanged |
| Davis Asset Management, L.P. | 200 | $117.7K | 0.00% | +200 | New |
| Colonial Trust Co | 208 | $122.5K | 0.02% | −25−10.7% | Reduced |
| NBC Securities, Inc. | 224 | $131.9K | 0.01% | +98+77.8% | Added |
| Los Angeles Capital Management LLC | 225 | $132.5K | 0.00% | −47−17.3% | Reduced |
| Strategic Wealth Partners, Ltd. | 228 | $134.0K | 0.01% | +2+0.9% | Added |
| Ronald Blue Trust, Inc. | 234 | $137.5K | 0.00% | −11−4.5% | Reduced |
| Tiaa-Cref Individual & Institutional Services, LLC | 270 | $158.9K | 0.00% | +270 | New |
| Exchange Traded Concepts, LLC | 279 | $164.2K | 0.00% | +36+14.8% | Added |
| Central Trust Co | 300 | $176.6K | 0.00% | +8+2.7% | Added |
| LRI Investments, LLC | 315 | $185.4K | 0.02% | −22−6.5% | Reduced |
| True Wealth Design, LLC | 316 | $186.0K | 0.05% | +9+2.9% | Added |
| Cary Street Partner Investment Advisory LLC | 318 | $187.2K | 0.05% | +29+10.0% | Added |
| Pinnacle Wealth Planning Services, Inc. | 333 | $196.0K | 0.02% | 00.0% | Unchanged |
| Bokf, NA | 335 | $197.2K | 0.00% | +12+3.7% | Added |
| Private Trust Co NA | 337 | $198.4K | 0.02% | −23−6.4% | Reduced |
| Sigma Planning Corp | 342 | $201.3K | 0.01% | +8+2.4% | Added |
| Private Wealth Asset Management, LLC | 343 | $201.9K | 0.02% | 00.0% | Unchanged |
| Heartland Bank & Trust Co | 345 | $203.1K | 0.05% | +15+4.5% | Added |
| Capital Investment Advisors, LLC | 345 | $203.3K | 0.00% | +20+6.2% | Added |
| Wealthspire Advisors, LLC | 346 | $203.7K | 0.00% | −215−38.3% | Reduced |
| Traynor Capital Management, Inc. | 357 | $204.8K | 0.01% | −4−1.1% | Reduced |
| We Are One Seven, LLC | 348 | $205.0K | 0.00% | +14+4.2% | Added |
| Parcion Private Wealth LLC | 350 | $206.0K | 0.01% | −75−17.6% | Reduced |
| Oakwell Private Wealth Management, LLC | 350 | $206.0K | 0.04% | −1−0.3% | Reduced |
| Penobscot Investment Management Company, Inc. | 350 | $206.0K | 0.02% | 00.0% | Unchanged |
| Vanguard National Trust Co | 350 | $206.0K | 0.01% | +350 | New |
| TRB Wealth Management, LLC | 350 | $206.0K | 0.03% | +350 | New |
| NFP Retirement, Inc. | 353 | $207.8K | 0.01% | −1−0.3% | Reduced |
| Spire Wealth Management | 356 | $209.4K | 0.01% | −937−72.5% | Reduced |
| Anchor Investment Management, LLC | 360 | $212.0K | 0.02% | −75−17.2% | Reduced |
| Waldron Private Wealth LLC | 361 | $212.5K | 0.01% | +361 | New |
| Boston Trust Walden Corp | 363 | $213.7K | 0.00% | 00.0% | Unchanged |
| Catalyst Financial Partners LLC | 364 | $214.3K | 0.03% | +6+1.7% | Added |
| Ostrum Asset Management | 365 | $214.9K | 0.01% | +5+1.4% | Added |
| Sendero Wealth Management, LLC | 365 | $214.9K | 0.02% | −409−52.8% | Reduced |
| Daymark Wealth Partners, LLC | 367 | $216.3K | 0.01% | −79−17.7% | Reduced |
| SRS Capital Advisors, Inc. | 368 | $216.4K | 0.01% | +139+60.7% | Added |
| Livforsakringsbolaget Skandia, Omsesidigt | 368 | $216.6K | 0.01% | 00.0% | Unchanged |
| Fisher Asset Management, LLC | 368 | $216.8K | 0.00% | +40+12.2% | Added |
| PCM Encore, LLC | 371 | $218.4K | 0.04% | −9−2.4% | Reduced |
| PUREfi Wealth, LLC | 371 | $218.6K | 0.14% | +371 | New |
| Eagle Bay Advisors LLC | 373 | $219.7K | 0.19% | +38+11.3% | Added |
| Rehmann Capital Advisory Group | 373 | $219.9K | 0.01% | +5+1.4% | Added |
| One Capital Management, LLC | 374 | $220.2K | 0.01% | +5+1.4% | Added |
| Fortune Financial Advisors, LLC | 375 | $220.8K | 0.11% | +375 | New |
| Modera Wealth Management, LLC | 376 | $221.3K | 0.00% | −21−5.3% | Reduced |
| ING Groep NV | 378 | $222.5K | 0.00% | −16−4.1% | Reduced |
| Patton Fund Management, Inc. | 381 | $224.3K | 0.04% | 00.0% | Unchanged |
| One Wealth Advisors, LLC | 384 | $226.1K | 0.03% | +32+9.1% | Added |
| EverSource Wealth Advisors, LLC | 385 | $226.9K | 0.01% | +45+13.2% | Added |
| Thompson Siegel & Walmsley LLC | 385 | $227.0K | 0.00% | 00.0% | Unchanged |
| Banco Santander, S.A. | 386 | $227.2K | 0.00% | 00.0% | Unchanged |
| Dana Investment Advisors, Inc. | 386 | $227.2K | 0.01% | −34−8.1% | Reduced |
| Pines Wealth Management, LLC | 393 | $231.4K | 0.07% | +9+2.3% | Added |
| Central Bank & Trust Co | 395 | $232.5K | 0.04% | 00.0% | Unchanged |
| IHT Wealth Management, LLC | 397 | $233.6K | 0.01% | +10+2.6% | Added |
| Triad Wealth Partners, LLC | 398 | $234.3K | 0.02% | +398 | New |
| Teamwork Financial Advisors, LLC | 400 | $235.5K | 0.03% | −4−1.0% | Reduced |
| Palisade Capital Management LLC | 400 | $235.5K | 0.01% | 00.0% | Unchanged |
| Marco Investment Management LLC | 400 | $235.5K | 0.02% | 00.0% | Unchanged |
| Charter Research & Investment Group, Inc. | 400 | $235.5K | 0.16% | 00.0% | Unchanged |
| Delta Investment Management, LLC | 400 | $235.5K | 0.04% | 00.0% | Unchanged |
| DV Trading LLC | 400 | $235.5K | 0.02% | +400 | New |
| Supplemental Annuity Collective Trust of NJ | 408 | $240.2K | 0.07% | −862−67.9% | Reduced |
| Heartwood Wealth Advisors LLC | 413 | $243.1K | 0.02% | 00.0% | Unchanged |
| Larson Financial Group LLC | 414 | $243.7K | 0.01% | −108−20.7% | Reduced |