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 |
|---|---|---|---|---|---|
| Axxcess Wealth Management, LLC | 0 | $0 | 0.00% | −1,970−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −1,933−100.0% | Sold out |
| La Banque Postale Asset Management SA | 0 | $0 | 0.00% | −1,917−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −1,648−100.0% | Sold out |
| Colonial River Wealth Management, LLC | 0 | $0 | 0.00% | −1,358−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −1,220−100.0% | Sold out |
| Ashton Thomas Securities, LLC | 0 | $0 | 0.00% | −1,189−100.0% | Sold out |
| Tobam | 0 | $0 | 0.00% | −1,172−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −997−100.0% | Sold out |
| Keel Point, LLC | 0 | $0 | 0.00% | −923−100.0% | Sold out |
| HighPoint Advisor Group LLC | 0 | $0 | 0.00% | −835−100.0% | Sold out |
| WBI Investments | 0 | $0 | 0.00% | −743−100.0% | Sold out |
| Fiduciary Alliance LLC | 0 | $0 | 0.00% | −702−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −676−100.0% | Sold out |
| Krilogy Financial LLC | 0 | $0 | 0.00% | −642−100.0% | Sold out |
| RMB Capital Management, LLC | 0 | $0 | 0.00% | −634−100.0% | Sold out |
| CIBC World Markets Inc. | 0 | $0 | 0.00% | −628−100.0% | Sold out |
| Permanens Capital L.P. | 0 | $0 | 0.00% | −608−100.0% | Sold out |
| Sage Mountain Advisors LLC | 0 | $0 | 0.00% | −602−100.0% | Sold out |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| Buckingham Strategic Partners | 0 | $0 | 0.00% | −597−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −582−100.0% | Sold out |
| Atala Financial Inc | 0 | $0 | 0.00% | −1,944−100.0% | Sold out |
| Sivia Capital Partners, LLC | 0 | $0 | 0.00% | −572−100.0% | Sold out |
| YHB Investment Advisors, Inc. | 0 | $0 | 0.00% | −569−100.0% | Sold out |
| Thompson David Blair | 0 | $0 | 0.00% | −528−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −516−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −502−100.0% | Sold out |
| Mariner Investment Group LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| First Interstate Bank | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Ehrenkranz Partners L.P. | 0 | $0 | 0.00% | −492−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −486−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −478−100.0% | Sold out |
| waypoint wealth counsel | 0 | $0 | 0.00% | −465−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −455−100.0% | Sold out |
| CTC Alternative Strategies, Ltd. | 0 | $0 | 0.00% | −440−100.0% | Sold out |
| Howard Capital Management Inc. | 0 | $0 | 0.00% | −421−100.0% | Sold out |
| Canvas Wealth Advisors, LLC | 0 | $0 | 0.00% | −401−100.0% | Sold out |
| Rodgers & Associates, LTD | 0 | $0 | 0.00% | −384−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −381−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −373−100.0% | Sold out |
| SCS Capital Management LLC | 0 | $0 | 0.00% | −368−100.0% | Sold out |
| Frec Markets, Inc. | 0 | $0 | 0.00% | −364−100.0% | Sold out |
| Daner Wealth Management, LLC | 0 | $0 | 0.00% | −313−100.0% | Sold out |
| Portside Wealth Group, LLC | 0 | $0 | 0.00% | −354−100.0% | Sold out |
| Independent Solutions Wealth Management, LLC | 0 | $0 | 0.00% | −350−100.0% | Sold out |
| Glassy Mountain Advisors, Inc. | 0 | $0 | 0.00% | −350−100.0% | Sold out |
| J. Derek Lewis & Associates Inc. | 0 | $0 | 0.00% | −345−100.0% | Sold out |
| Wellspring Financial Advisors, LLC | 0 | $0 | 0.00% | −343−100.0% | Sold out |
| Childress Capital Advisors, LLC | 0 | $0 | 0.00% | −343−100.0% | Sold out |
| Accel Wealth Management | 0 | $0 | 0.00% | −340−100.0% | Sold out |
| FourThought Financial Partners, LLC | 0 | $0 | 0.00% | −339−100.0% | Sold out |
| Silver Oak Securities, Inc | 0 | $0 | 0.00% | −334−100.0% | Sold out |
| KPP Advisory Services LLC | 0 | $0 | 0.00% | −336−100.0% | Sold out |
| Pavion Blue Capital, LLC | 0 | $0 | 0.00% | −334−100.0% | Sold out |
| Prota Financial, LLC | 0 | $0 | 0.00% | −333−100.0% | Sold out |
| Conning Inc. | 0 | $0 | 0.00% | −331−100.0% | Sold out |
| Shelton Capital Management | 0 | $0 | 0.00% | −331−100.0% | Sold out |
| Tiaa Trust, National Association | 0 | $0 | 0.00% | −331−100.0% | Sold out |
| Xxi Wealth, LLC | 0 | $0 | 0.00% | −329−100.0% | Sold out |
| Arcus Capital Partners, LLC | 0 | $0 | 0.00% | −328−100.0% | Sold out |
| Abel Hall, LLC | 0 | $0 | 0.00% | −328−100.0% | Sold out |
| Longboard Asset Management, LP | 0 | $0 | 0.00% | −327−100.0% | Sold out |
| Welch & Forbes LLC | 0 | $0 | 0.00% | −324−100.0% | Sold out |
| HBK Sorce Advisory LLC | 0 | $0 | 0.00% | −290−100.0% | Sold out |
| Barlow Wealth Partners, Inc. | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Intact Investment Management Inc. | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Elyxium Wealth, LLC | 0 | $0 | 0.00% | −287−100.0% | Sold out |
| TCTC Holdings, LLC | 0 | $0 | 0.00% | −260−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −219−100.0% | Sold out |
| IFC & Insurance Marketing, Inc. | 0 | $0 | 0.00% | −191−100.0% | Sold out |
| Sentry Investment Management LLC | 0 | $0 | 0.00% | −132−100.0% | Sold out |
| Concord Wealth Partners | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Greenline Wealth Management LLC | 0 | $0 | 0.00% | −88−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −62−100.0% | Sold out |
| Reflection Asset Management | 0 | $0 | 0.00% | −57−100.0% | Sold out |
| CBIZ Investment Advisory Services, LLC | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| Garton & Associates Financial Advisors LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Curat Global, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Commonwealth Retirement Investments LLC | 0 | $0 | 0.00% | −39−100.0% | Sold out |
| Garner Asset Management Corp | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Barnes Dennig Private Wealth Management LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Whi Trust Co LLC | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Marquette Asset Management, LLC | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Quattro Advisors LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Icon Advisers Inc | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Howard Hughes Medical Institute | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Legacy Bridge, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Bellevue Asset Management, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Tidemark, LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Wealth Watch Advisors, INC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| First United Bank Trust | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| American National Bank | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Delos Wealth Advisors, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Winnow Wealth LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Three Bearings Fiduciary Advisors, Inc. | 0 | $0 | 0.00% | −1−100.0% | Sold out |