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, Q3 2025
Institutional positions in Martin Marietta Materials Inc as of Sep 30, 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
- 1,053
- +68 vs. Q2 2025
- Shares held
- 58.2M
- −919.2K (−1.6%) vs. Q2 2025
- Total value
- $36.7B
- +$4.20B (+12.9%) vs. Q2 2025
- New holders
- 132
- 366 more added
- Sold out
- 64
- 344 more reduced
14 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Patton Fund Management, Inc. | 436 | $274.8K | 0.05% | 00.0% | Unchanged |
| Banco Santander, S.A. | 439 | $276.7K | 0.00% | −205−31.8% | Reduced |
| Equitable Holdings, Inc. | 439 | $276.7K | 0.00% | +50+12.9% | Added |
| Hollow Brook Wealth Management LLC | 439 | $277.1K | 0.07% | +439 | New |
| Fulton Bank, N.A. | 443 | $279.2K | 0.01% | +13+3.0% | Added |
| Daymark Wealth Partners, LLC | 448 | $282.5K | 0.01% | +17+3.9% | Added |
| Formidable Asset Management, LLC | 515 | $282.8K | 0.04% | 00.0% | Unchanged |
| Helen Stephens Group, LLC | 454 | $286.0K | 0.06% | −53−10.5% | Reduced |
| Sunbeam Capital Management, LLC | 457 | $288.1K | 0.18% | 00.0% | Unchanged |
| Gries Financial LLC | 458 | $288.7K | 0.05% | +46+11.2% | Added |
| Allianz SE | 460 | $289.9K | 0.01% | 00.0% | Unchanged |
| Heritage Trust Co | 462 | $291.2K | 0.03% | 00.0% | Unchanged |
| waypoint wealth counsel | 463 | $291.8K | 0.12% | +8+1.8% | Added |
| AMG National Trust Bank | 469 | $295.5K | 0.01% | +3+0.6% | Added |
| One Wealth Capital Management, LLC | 469 | $295.6K | 0.13% | +29+6.6% | Added |
| Wealthspire Advisors, LLC | 469 | $295.6K | 0.00% | −145−23.6% | Reduced |
| Pekin Hardy Strauss, Inc. | 473 | $298.1K | 0.03% | −17−3.5% | Reduced |
| Colonial River Wealth Management, LLC | 474 | $298.8K | 0.11% | −362−43.3% | Reduced |
| Ameritas Advisory Services, LLC | 474 | $298.8K | 0.02% | +114+31.7% | Added |
| Taylor Financial Group, Inc. | 475 | $299.4K | 0.17% | 00.0% | Unchanged |
| Ostrum Asset Management | 478 | $301.3K | 0.01% | −13−2.6% | Reduced |
| Krilogy Financial LLC | 494 | $301.6K | 0.01% | +494 | New |
| Dynamic Advisor Solutions LLC | 480 | $302.5K | 0.01% | +4+0.8% | Added |
| Blue Door Asset Management, LLC | 480 | $302.5K | 0.17% | +480 | New |
| Mutual Advisors, LLC | 489 | $302.9K | 0.01% | +489 | New |
| Collective Family Office LLC | 488 | $307.6K | 0.07% | −53−9.8% | Reduced |
| Citizens Business Bank | 493 | $310.7K | 0.05% | +493 | New |
| BIP Wealth, LLC | 494 | $311.1K | 0.02% | +58+13.3% | Added |
| Ironwood Investment Counsel, LLC | 494 | $311.4K | 0.05% | −7−1.4% | Reduced |
| St. Nicholas Private Asset Management, Inc | 494 | $311.4K | 0.27% | 00.0% | Unchanged |
| CWM Advisors, LLC | 495 | $312.0K | 0.03% | −19−3.7% | Reduced |
| City State Bank | 497 | $313.2K | 0.09% | 00.0% | Unchanged |
| Mariner Investment Group LLC | 500 | $315.1K | 0.10% | 00.0% | Unchanged |
| First Interstate Bank | 500 | $315.1K | 0.02% | 00.0% | Unchanged |
| Monetary Management Group Inc | 500 | $315.1K | 0.07% | 00.0% | Unchanged |
| Adviser Investments LLC | 501 | $315.8K | 0.00% | +42+9.2% | Added |
| Larson Financial Group LLC | 503 | $317.2K | 0.01% | +67+15.4% | Added |
| Amica Retiree Medical Trust | 506 | $319.0K | 0.44% | 00.0% | Unchanged |
| Sivia Capital Partners, LLC | 511 | $322.1K | 0.09% | +1+0.2% | Added |
| A4 Wealth Advisors LLC | 511 | $322.1K | 0.27% | +511 | New |
| LexAurum Advisors, LLC | 512 | $322.6K | 0.05% | −88−14.7% | Reduced |
| First Citizens Bank & Trust Co | 513 | $323.3K | 0.01% | −506−49.7% | Reduced |
| Prime Capital Investment Advisors, LLC | 516 | $325.0K | 0.00% | +22+4.5% | Added |
| Ariston Services Group | 516 | $325.2K | 0.20% | 00.0% | Unchanged |
| N.E.W. Advisory Services LLC | 516 | $325.2K | 0.03% | 00.0% | Unchanged |
| Dana Investment Advisors, Inc. | 519 | $327.1K | 0.01% | −450−46.4% | Reduced |
| Verus Capital Partners, LLC | 525 | $330.9K | 0.03% | −5−0.9% | Reduced |
| Cresta Advisors, Ltd. | 529 | $333.4K | 0.15% | 00.0% | Unchanged |
| Shufro Rose & Co LLC | 700 | $334.7K | 0.03% | 00.0% | Unchanged |
| one8zero8, LLC | 536 | $337.8K | 0.07% | 00.0% | Unchanged |
| PDS Planning, Inc | 539 | $339.7K | 0.02% | +2+0.4% | Added |
| Northwestern Mutual Wealth Management Co | 539 | $339.8K | 0.00% | −1,401−72.2% | Reduced |
| Virtu Financial LLC | 550 | $346.0K | 0.02% | +550 | New |
| Ameritas Investment Partners, Inc. | 550 | $346.7K | 0.01% | −19−3.3% | Reduced |
| Empirical Asset Management, LLC | 554 | $349.1K | 0.10% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 556 | $350.4K | 0.00% | +84+17.8% | Added |
| iA Global Asset Management Inc. | 560 | $353.0K | 0.00% | −60−9.7% | Reduced |
| Advisor OS, LLC | 574 | $361.8K | 0.03% | +574 | New |
| Texas Capital Bank Wealth Management Services Inc | 577 | $363.7K | 0.03% | +59+11.4% | Added |
| Cigna Investments Inc | 582 | $367.0K | 0.05% | 00.0% | Unchanged |
| YHB Investment Advisors, Inc. | 584 | $368.1K | 0.03% | 00.0% | Unchanged |
| Ramirez Asset Management, Inc. | 590 | $371.9K | 0.05% | −5−0.8% | Reduced |
| Robertson Stephens Wealth Management, LLC | 590 | $372.3K | 0.01% | −7−1.2% | Reduced |
| Family Management Corp | 593 | $373.8K | 0.05% | −23−3.7% | Reduced |
| Bridges Investment Management Inc | 599 | $377.5K | 0.00% | −2−0.3% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 600 | $378.2K | 0.00% | −2,379−79.9% | Reduced |
| Arthur M. Cohen & Associates, LLC | 600 | $378.2K | 0.06% | 00.0% | Unchanged |
| First Nebraska Trust Co | 608 | $383.2K | 0.03% | 00.0% | Unchanged |
| Chicago Partners Investment Group LLC | 623 | $384.5K | 0.01% | +156+33.4% | Added |
| Compass Ion Advisors, LLC | 612 | $385.7K | 0.04% | −1−0.2% | Reduced |
| Prosperity Financial Group, Inc. | 613 | $386.4K | 0.14% | +49+8.7% | Added |
| Exchange Traded Concepts, LLC | 617 | $388.9K | 0.00% | +243+65.0% | Added |
| Financial Management Professionals, Inc. | 617 | $388.9K | 0.04% | +4+0.7% | Added |
| Aaron Wealth Advisors | 617 | $389.1K | 0.02% | +235+61.5% | Added |
| Byrne Asset Management LLC | 619 | $390.1K | 0.24% | – | – |
| Menard Financial Group LLC | 621 | $391.5K | 0.26% | −2−0.3% | Reduced |
| Atala Financial Inc | 1,944 | $391.8K | 0.25% | +1,944 | New |
| Sage Mountain Advisors LLC | 633 | $399.0K | 0.02% | +202+46.9% | Added |
| WPWealth LLP | 637 | $401.5K | 0.07% | −5−0.8% | Reduced |
| Brookstone Capital Management | 641 | $404.1K | 0.00% | 00.0% | Unchanged |
| Prospera Financial Services Inc | 641 | $405.0K | 0.01% | −44−6.4% | Reduced |
| Mesirow Financial Investment Management, Inc. | 642 | $405.3K | 0.01% | −327−33.7% | Reduced |
| Farther Finance Advisors, LLC | 646 | $406.9K | 0.01% | +153+31.0% | Added |
| Ritholtz Wealth Management | 646 | $407.2K | 0.01% | +18+2.9% | Added |
| Norden Group LLC | 649 | $409.1K | 0.04% | +81+14.3% | Added |
| Capstone Investment Advisors, LLC | 650 | $409.7K | 0.00% | +650 | New |
| Sym Financial Corp | 653 | $411.6K | 0.04% | −318−32.7% | Reduced |
| Motco | 653 | $411.6K | 0.04% | 00.0% | Unchanged |
| Spreng Capital Management, Inc. | 656 | $413.5K | 0.16% | −5−0.8% | Reduced |
| American Institute for Advanced Investment Management, LLP | 660 | $416.0K | 0.27% | 00.0% | Unchanged |
| LMR Partners LLP | 671 | $422.9K | 0.01% | 00.0% | Unchanged |
| Gilman Hill Asset Management, LLC | 675 | $425.4K | 0.07% | 00.0% | Unchanged |
| Fiduciary Alliance LLC | 684 | $431.1K | 0.03% | −18−2.6% | Reduced |
| Bokf, NA | 688 | $433.6K | 0.01% | −975−58.6% | Reduced |
| Hardin Capital Partners, LLC | 700 | $441.2K | 0.24% | 00.0% | Unchanged |
| Holt Capital Advisors, L.L.C. dba Holt Capital Partners, L.P. | 700 | $441.2K | 0.07% | 00.0% | Unchanged |
| Corsicana & Co. | 700 | $441.2K | 0.25% | +700 | New |
| Valeo Financial Advisors, LLC | 702 | $442.2K | 0.01% | −179−20.3% | Reduced |
| Beacon Pointe Advisors, LLC | 709 | $446.7K | 0.00% | −189−21.0% | Reduced |
| CWS Financial Advisors, LLC | 719 | $453.2K | 0.13% | 00.0% | Unchanged |