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 | $34.4B |
| Q4 2025 | 1,118 | $37.7B |
| Q3 2025 | 1,053 | $38.5B |
| Q2 2025 | 999 | $32.9B |
| Q1 2025 | 953 | $28.5B |
| Q4 2024 | 992 | $30.5B |
| Q3 2024 | 948 | $33.8B |
| Q2 2024 | 940 | $33.4B |
| Q1 2024 | 957 | $38.7B |
| Q4 2023 | 889 | $30.7B |
| Q3 2023 | 815 | $24.2B |
| Q2 2023 | 804 | $27.5B |
| Q1 2023 | 746 | $21.3B |
| Q4 2022 | 768 | $19.7B |
| Q3 2022 | 736 | $18.9B |
| Q2 2022 | 728 | $17.5B |
| Q1 2022 | 763 | $22.8B |
| Q4 2021 | 775 | $25.7B |
| Q3 2021 | 700 | $19.7B |
| Q2 2021 | 696 | $20.3B |
| Q1 2021 | 692 | $19.5B |
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 |
|---|---|---|---|---|---|
| Wealth Enhancement Trust Services, Inc. | 426 | $245.7K | 0.03% | +8+1.9% | Added |
| Howard Capital Management Inc. | 427 | $246.3K | 0.00% | +427 | New |
| Patrick M Sweeney & Associates, Inc | 430 | $248.0K | 0.14% | 00.0% | Unchanged |
| Beaird Harris Wealth Management, LLC | 430 | $248.0K | 0.02% | +427+14,233.3% | Added |
| Drive Wealth Management, LLC | 431 | $248.7K | 0.04% | −15−3.4% | Reduced |
| Pines Wealth Management, LLC | 432 | $249.1K | 0.07% | +39+9.9% | Added |
| Pekin Hardy Strauss, Inc. | 433 | $249.7K | 0.02% | 00.0% | Unchanged |
| Kingsview Wealth Management, LLC | 434 | $250.5K | 0.00% | −56−11.4% | Reduced |
| Collective Family Office LLC | 435 | $250.9K | 0.05% | −5−1.1% | Reduced |
| Campion Asset Management LLC | 435 | $250.9K | 0.15% | 00.0% | Unchanged |
| First Citizens Bank & Trust Co | 438 | $252.6K | 0.00% | −180−29.1% | Reduced |
| Prospera Financial Services Inc | 439 | $253.3K | 0.00% | +22+5.3% | Added |
| Aureus Asset Management, LLC | 450 | $259.5K | 0.02% | 00.0% | Unchanged |
| Wealthspire Advisors, LLC | 453 | $261.3K | 0.00% | +107+30.9% | Added |
| Allianz SE | 460 | $265.3K | 0.00% | 00.0% | Unchanged |
| Heritage Trust Co | 462 | $266.4K | 0.02% | 00.0% | Unchanged |
| Teza Capital Management LLC | 466 | $268.7K | 0.52% | +466 | New |
| Sunbeam Capital Management, LLC | 470 | $271.3K | 0.12% | +12+2.6% | Added |
| Essex Financial Services, Inc. | 472 | $272.1K | 0.01% | −22−4.5% | Reduced |
| Taylor Financial Group, Inc. | 475 | $273.9K | 0.15% | 00.0% | Unchanged |
| Cypress Capital Group | 479 | $276.2K | 0.03% | +479 | New |
| Castleark Management LLC | 480 | $276.8K | 0.01% | −1,280−72.7% | Reduced |
| Retirement Planning Group | 480 | $276.9K | 0.01% | +11+2.3% | Added |
| Adviser Investments LLC | 480 | $277.0K | 0.00% | +1+0.2% | Added |
| Verus Capital Partners, LLC | 481 | $277.4K | 0.02% | −30−5.9% | Reduced |
| Select Asset Management & Trust | 484 | $279.0K | 0.08% | 00.0% | Unchanged |
| Stevens Capital Management LP | 485 | $280.0K | 0.07% | +485 | New |
| Chicago Partners Investment Group LLC | 515 | $281.8K | 0.01% | −33−6.0% | Reduced |
| South Shore Capital Advisors | 493 | $284.3K | 0.19% | 00.0% | Unchanged |
| Citizens Business Bank | 493 | $284.3K | 0.04% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 493 | $284.3K | 0.00% | +493 | New |
| BIP Wealth, LLC | 494 | $284.7K | 0.01% | +45+10.0% | Added |
| Ironwood Investment Counsel, LLC | 494 | $284.9K | 0.04% | −1−0.2% | Reduced |
| St. Nicholas Private Asset Management, Inc | 494 | $284.9K | 0.25% | 00.0% | Unchanged |
| City State Bank | 497 | $286.6K | 0.07% | 00.0% | Unchanged |
| Monetary Management Group Inc | 500 | $288.4K | 0.06% | 00.0% | Unchanged |
| Axxcess Wealth Management, LLC | 500 | $288.4K | 0.00% | +500 | New |
| Ci Investments Inc. | 505 | $291.2K | 0.00% | +19+3.9% | Added |
| Numerai GP LLC | 508 | $293.0K | 0.02% | −4,400−89.6% | Reduced |
| Fulton Bank, N.A. | 509 | $293.5K | 0.01% | +17+3.5% | Added |
| LexAurum Advisors, LLC | 509 | $293.7K | 0.03% | 00.0% | Unchanged |
| Ariston Services Group | 516 | $297.6K | 0.16% | +516 | Added |
| N.E.W. Advisory Services LLC | 516 | $297.6K | 0.02% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 519 | $299.3K | 0.01% | −31−5.6% | Reduced |
| WealthShield Partners, LLC | 519 | $299.3K | 0.05% | +28+5.7% | Added |
| Global Retirement Partners, LLC | 520 | $299.6K | 0.00% | +520 | New |
| AMG National Trust Bank | 520 | $299.9K | 0.01% | +25+5.1% | Added |
| TRB Wealth Management, LLC | 520 | $299.9K | 0.04% | +170+48.6% | Added |
| First Citizens Financial Corp | 521 | $300.5K | 0.13% | −37−6.6% | Reduced |
| Helen Stephens Group, LLC | 524 | $302.2K | 0.05% | −27−4.9% | Reduced |
| Geneos Wealth Management Inc. | 526 | $303.3K | 0.01% | 00.0% | Unchanged |
| Formidable Asset Management, LLC | 516 | $303.5K | 0.05% | +1+0.2% | Added |
| Cresta Advisors, Ltd. | 529 | $305.1K | 0.11% | 00.0% | Unchanged |
| one8zero8, LLC | 536 | $309.1K | 0.06% | 00.0% | Unchanged |
| Cypress Wealth Services, LLC | 536 | $309.2K | 0.04% | −1−0.2% | Reduced |
| Byrne Asset Management LLC | 540 | $311.4K | 0.17% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 540 | $311.4K | 0.01% | +540 | New |
| EverSource Wealth Advisors, LLC | 543 | $313.2K | 0.01% | +158+41.0% | Added |
| S-Bank Fund Management Ltd | 546 | $314.9K | 0.04% | +546 | New |
| Stonebridge Capital Management Inc | 550 | $317.2K | 0.15% | −425−43.6% | Reduced |
| J. Safra Sarasin Holding AG | 539 | $317.3K | 0.00% | 00.0% | Unchanged |
| CM Wealth Advisors LLC | 557 | $321.2K | 0.06% | −38−6.4% | Reduced |
| PDS Planning, Inc | 560 | $323.0K | 0.02% | +6+1.1% | Added |
| iA Global Asset Management Inc. | 560 | $323.0K | 0.00% | 00.0% | Unchanged |
| Prime Capital Investment Advisors, LLC | 561 | $323.5K | 0.00% | −74−11.7% | Reduced |
| Cigna Investments Inc | 563 | $325.0K | 0.04% | −19−3.3% | Reduced |
| Empirical Asset Management, LLC | 571 | $329.0K | 0.07% | +17+3.1% | Added |
| Forum Financial Management, LP | 571 | $329.3K | 0.00% | 00.0% | Unchanged |
| Spreng Capital Management, Inc. | 587 | $338.5K | 0.12% | −95−13.9% | Reduced |
| Ramirez Asset Management, Inc. | 590 | $340.3K | 0.04% | 00.0% | Unchanged |
| AlphaGrep UK Ltd | 599 | $345.4K | 0.11% | +599 | New |
| Brookstone Capital Management | 600 | $346.3K | 0.00% | +73+13.9% | Added |
| Clarendon Private LLC | 606 | $349.5K | 0.22% | −211−25.8% | Reduced |
| Mosaic Family Wealth Partners, LLC | 607 | $350.1K | 0.02% | +607 | New |
| First Nebraska Trust Co | 608 | $350.6K | 0.03% | 00.0% | Unchanged |
| Western Wealth Management, LLC | 611 | $352.1K | 0.01% | +52+9.3% | Added |
| Compass Ion Advisors, LLC | 611 | $352.4K | 0.03% | 00.0% | Unchanged |
| Advisor OS, LLC | 622 | $358.7K | 0.02% | −22−3.4% | Reduced |
| Mesirow Financial Investment Management, Inc. | 625 | $360.2K | 0.01% | −6−1.0% | Reduced |
| Ashton Thomas Private Wealth, LLC | 625 | $360.4K | 0.01% | −26−4.0% | Reduced |
| Phoenix Holdings Ltd. | 639 | $368.5K | 0.00% | +70+12.3% | Added |
| Independent Advisor Alliance | 641 | $369.4K | 0.01% | −66−9.3% | Reduced |
| TCG Advisory Services, LLC | 641 | $369.7K | 0.01% | +224+53.7% | Added |
| Ameritas Advisory Services, LLC | 643 | $370.8K | 0.01% | +191+42.3% | Added |
| Hengehold Capital Management LLC | 647 | $372.9K | 0.03% | −22−3.3% | Reduced |
| Arthur M. Cohen & Associates, LLC | 650 | $374.9K | 0.06% | 00.0% | Unchanged |
| Defender Capital, LLC. | 650 | $374.9K | 0.12% | 00.0% | Unchanged |
| Family Management Corp | 651 | $375.4K | 0.04% | −9−1.4% | Reduced |
| Larson Financial Group LLC | 651 | $375.7K | 0.01% | +237+57.2% | Added |
| Motco | 654 | $377.2K | 0.03% | +1+0.2% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 658 | $379.5K | 0.01% | −35−5.1% | Reduced |
| American Institute for Advanced Investment Management, LLP | 660 | $380.6K | 0.22% | 00.0% | Unchanged |
| CWA Asset Management Group, LLC | 663 | $382.4K | 0.01% | −26−3.8% | Reduced |
| Pallas Capital Advisors LLC | 667 | $384.6K | 0.01% | −32−4.6% | Reduced |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 680 | $392.1K | 0.14% | −385−36.2% | Reduced |
| Everpar Advisors LLC | 681 | $392.7K | 0.11% | +8+1.2% | Added |
| Global Trust Asset Management, LLC | 690 | $397.6K | 0.12% | −764−52.5% | Reduced |
| Anchyra Partners LLC | 692 | $399.1K | 0.10% | −38−5.2% | Reduced |
| Huber Capital Management LLC | 692 | $399.1K | 0.06% | 00.0% | Unchanged |
| Prosperity Financial Group, Inc. | 697 | $402.0K | 0.12% | +13+1.9% | Added |