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 |
|---|---|---|---|---|---|
| Owl Creek Wealth Partners LLC | 72 | $42.4K | 0.02% | +72 | New |
| Beacon Investment Advisory Services, Inc. | 68 | $40.0K | 0.00% | +68 | New |
| Osterweis Capital Management Inc | 68 | $40.0K | 0.00% | 00.0% | Unchanged |
| Ameliora Wealth Management Ltd. | 66 | $38.9K | 0.01% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 63 | $37.6K | 0.01% | +12+23.5% | Added |
| Peterson Wealth Management | 62 | $36.2K | 0.02% | +62 | New |
| Union Bancaire Privee, UBP SA | 57 | $32.7K | 0.00% | 00.0% | Unchanged |
| AXS Investments LLC | 55 | $32.4K | 0.01% | −24−30.4% | Reduced |
| Twin Peaks Wealth Advisors, LLC | 54 | $32.0K | 0.01% | +54 | New |
| Zions Bancorporation, National Association | 54 | $31.8K | 0.00% | −238−81.5% | Reduced |
| JFS Wealth Advisors, LLC | 53 | $31.2K | 0.00% | −2−3.6% | Reduced |
| Atwood & Palmer Inc | 51 | $30.0K | 0.00% | 00.0% | Unchanged |
| HM Payson & Co | 51 | $29.9K | 0.00% | +51 | New |
| Richardson Capital Management LLC | 48 | $28.3K | 0.01% | +18+60.0% | Added |
| Meeder Asset Management Inc | 47 | $27.7K | 0.00% | +19+67.9% | Added |
| Retirement Wealth Solutions LLC | 46 | $27.3K | 0.02% | −7−13.2% | Reduced |
| Essential Partners LLC | 46 | $27.1K | 0.01% | −136−74.7% | Reduced |
| South State Corp. | 45 | $26.5K | 0.00% | −1−2.2% | Reduced |
| Atlantic Trust, LLC | 45 | $26.5K | 0.00% | 00.0% | Unchanged |
| Park Place Capital Corp | 44 | $25.9K | 0.01% | +1+2.3% | Added |
| Farmers & Merchants Investments Inc | 43 | $25.3K | 0.00% | 00.0% | Unchanged |
| Kerr Financial Planning Corp | 41 | $24.5K | 0.03% | +1+2.5% | Added |
| Westside Investment Management, Inc. | 41 | $24.4K | 0.00% | 00.0% | Unchanged |
| Oakworth Capital, Inc. | 40 | $23.5K | 0.00% | 00.0% | Unchanged |
| Evolution Wealth Management Inc. | 40 | $23.5K | 0.02% | +9+29.0% | Added |
| Bryn Mawr Trust Co | 38 | $22.4K | 0.00% | −23−37.7% | Reduced |
| Golden State Wealth Management, LLC | 38 | $22.4K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 36 | $21.2K | 0.00% | −19−34.5% | Reduced |
| Wall Street Financial Group, Inc. | 36 | $21.2K | 0.01% | +36 | New |
| New Age Alpha Advisors, LLC | 35 | $20.6K | 0.00% | +2+6.1% | Added |
| SBI Securities Co., Ltd. | 34 | $20.0K | 0.00% | 00.0% | Unchanged |
| Whipplewood Advisors, LLC | 34 | $20.0K | 0.01% | +34 | New |
| Clal Insurance Enterprises Holdings Ltd | 34 | $20.0K | 0.00% | −9−20.9% | Reduced |
| CNB Bank | 33 | $19.4K | 0.01% | 00.0% | Unchanged |
| Quarry LP | 30 | $17.7K | 0.00% | +30 | New |
| Salomon & Ludwin, LLC | 29 | $17.3K | 0.00% | −19−39.6% | Reduced |
| Hollencrest Capital Management | 29 | $17.1K | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 27 | $15.9K | 0.00% | −867−97.0% | Reduced |
| JPL Wealth Management, LLC | 27 | $15.9K | 0.00% | +27 | New |
| Solstein Capital, LLC | 26 | $15.3K | 0.01% | 00.0% | Unchanged |
| Virginia Estate & Retirement Planning Advisors Inc. | 26 | $15.3K | 0.07% | +26 | New |
| Gables Capital Management Inc. | 25 | $14.7K | 0.01% | 00.0% | Unchanged |
| Atlantic Edge Private Wealth Management, LLC | 25 | $14.7K | 0.00% | 00.0% | Unchanged |
| RWM Asset Management, LLC | 25 | $14.7K | 0.00% | +25 | New |
| SHP Wealth Management | 24 | $14.3K | 0.00% | +11+84.6% | Added |
| Archer Investment Corp | 24 | $14.3K | 0.00% | 00.0% | Unchanged |
| Sachetta, LLC | 24 | $14.1K | 0.01% | 00.0% | Unchanged |
| DAGCO, Inc. | 24 | $14.1K | 0.00% | 00.0% | Unchanged |
| Miller Global Investments, LLC | 24 | $14.1K | 0.01% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 23 | $13.5K | 0.00% | 00.0% | Unchanged |
| Kemnay Advisory Services Inc. | 23 | $13.5K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 23 | $13.5K | 0.00% | +5+27.8% | Added |
| Steigerwald, Gordon & Koch Inc. | 22 | $13.0K | 0.00% | −11−33.3% | Reduced |
| Financial Network Wealth Advisors LLC | 22 | $13.0K | 0.01% | 00.0% | Unchanged |
| Delta Asset Management LLC | 21 | $12.4K | 0.00% | 00.0% | Unchanged |
| Timothy G. Youngquist 2020 Irrevocable Trust | 21 | $12.4K | 0.01% | +21 | New |
| Orion Capital Management LLC | 20 | $11.8K | 0.00% | 00.0% | Unchanged |
| Armstrong Advisory Group, Inc | 20 | $11.8K | 0.00% | −11−35.5% | Reduced |
| Sittner & Nelson, LLC | 20 | $11.8K | 0.00% | 00.0% | Unchanged |
| Chelsea Counsel Co | 20 | $11.8K | 0.01% | 00.0% | Unchanged |
| Kings Path Partners LLC | 18 | $10.6K | 0.00% | −12−40.0% | Reduced |
| Bayforest Capital Ltd | 18 | $10.6K | 0.01% | +18 | New |
| Bruce G. Allen Investments, LLC | 17 | $10.0K | 0.01% | 00.0% | Unchanged |
| Covestor Ltd | 17 | $10.0K | 0.01% | −15−46.9% | Reduced |
| Truvestments Capital LLC | 16 | $9.42K | 0.00% | 00.0% | Unchanged |
| Activest Wealth Management | 16 | $9.42K | 0.00% | 00.0% | Unchanged |
| Boreal Capital Management LLC | 16 | $9.42K | 0.01% | 00.0% | Unchanged |
| Wilkerson Advisory Group LLC | 16 | $9.42K | 0.00% | +11+220.0% | Added |
| Avion Wealth | 16 | $9.00K | 0.00% | +2+14.3% | Added |
| Cornerstone Financial Management LLC | 15 | $8.83K | 0.01% | −1−6.3% | Reduced |
| Rossby Financial, LCC | 14 | $8.38K | 0.00% | 00.0% | Unchanged |
| Albion Financial Group | 14 | $8.24K | 0.00% | 00.0% | Unchanged |
| Ritter Daniher Financial Advisory LLC | 14 | $8.24K | 0.00% | 00.0% | Unchanged |
| United Community Bank | 14 | $8.24K | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 13 | $7.92K | 0.00% | +3+30.0% | Added |
| Signature Equity Partners, LLC | 13 | $7.91K | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 13 | $7.79K | 0.00% | +6+85.7% | Added |
| Red Tortoise LLC | 13 | $7.65K | 0.00% | 00.0% | Unchanged |
| Kilter Group LLC | 13 | $7.65K | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 13 | $7.65K | 0.00% | +9+225.0% | Added |
| McGuire Capital Advisors Inc | 13 | $7.65K | 0.00% | +12+1,200.0% | Added |
| YANKCOM Partnership | 13 | $7.65K | 0.00% | +13 | New |
| First Pacific Financial | 12 | $7.07K | 0.00% | +12 | New |
| Cassaday & Co Wealth Management LLC | 12 | $7.07K | 0.00% | +12 | New |
| Bayban | 12 | $7.06K | 0.01% | 00.0% | Unchanged |
| Arlington Trust Co LLC | 12 | $7.06K | 0.00% | +5+71.4% | Added |
| SOA Wealth Advisors, LLC. | 6,812 | $6.81K | 0.00% | 00.0% | Unchanged |
| Westfuller Advisors, LLC | 11 | $6.49K | 0.00% | −6−35.3% | Reduced |
| Highline Wealth Partners LLC | 11 | $6.49K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 11 | $6.48K | 0.00% | 00.0% | Unchanged |
| Bangor Savings Bank | 11 | $6.47K | 0.00% | 00.0% | Unchanged |
| Grove Bank & Trust | 11 | $6.47K | 0.00% | 00.0% | Unchanged |
| Cetera Trust Company, N.A | 11 | $6.47K | 0.00% | 00.0% | Unchanged |
| Nemes Rush Group LLC | 11 | $6.47K | 0.00% | +8+266.7% | Added |
| Ogorek Anthony Joseph | 11 | $6.00K | 0.00% | −1−8.3% | Reduced |
| Clear Street Markets LLC | 10 | $5.89K | 0.00% | −79−88.8% | Reduced |
| CoreCap Advisors, LLC | 10 | $5.89K | 0.00% | −5−33.3% | Reduced |
| J.Safra Asset Management Corp | 10 | $5.89K | 0.00% | 00.0% | Unchanged |
| Aspect Partners, LLC | 10 | $5.89K | 0.00% | 00.0% | Unchanged |
| Dogwood Wealth Management LLC | 10 | $5.89K | 0.00% | +2+25.0% | Added |