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 2021
Institutional positions in Martin Marietta Materials Inc as of Sep 30, 2021. 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
- 700
- +14 vs. Q2 2021
- Shares held
- 57.7M
- −85.5K (−0.1%) vs. Q2 2021
- Total value
- $19.7B
- −$602.6M (−3.0%) vs. Q2 2021
- New holders
- 67
- 228 more added
- Sold out
- 53
- 240 more reduced
10 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AllSquare Wealth Management LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Arkadios Wealth Advisors | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −72,400−100.0% | Sold out |
| BP PLC | 0 | $0 | 0.00% | −57,774−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −33,724−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −22,163−100.0% | Sold out |
| Frontier Capital Management Co LLC | 0 | $0 | 0.00% | −21,784−100.0% | Sold out |
| Schwab Charitable Fund | 0 | $0 | 0.00% | −18,958−100.0% | Sold out |
| MIK Capital, LP | 0 | $0 | 0.00% | −15,827−100.0% | Sold out |
| Jefferies Group LLC | 0 | $0 | 0.00% | −10,200−100.0% | Sold out |
| DSAM Partners (London) Ltd | 0 | $0 | 0.00% | −8,057−100.0% | Sold out |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0 | $0 | 0.00% | −6,747−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −6,008−100.0% | Sold out |
| CIBC World Markets Inc. | 0 | $0 | 0.00% | −5,607−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −3,981−100.0% | Sold out |
| Sumitomo Life Insurance Co | 0 | $0 | 0.00% | −3,477−100.0% | Sold out |
| Knowledge Leaders Capital, LLC | 0 | $0 | 0.00% | −2,915−100.0% | Sold out |
| Spouting Rock Asset Management, LLC | 0 | $0 | 0.00% | −2,661−100.0% | Sold out |
| Alpha Paradigm Partners, LLC | 0 | $0 | 0.00% | −2,346−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −1,804−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −1,641−100.0% | Sold out |
| Cerity Partners LLC | 0 | $0 | 0.00% | −1,617−100.0% | Sold out |
| Stoneridge Investment Partners LLC | 0 | $0 | 0.00% | −1,600−100.0% | Sold out |
| Credit Agricole S A | 0 | $0 | 0.00% | −1,555−100.0% | Sold out |
| Altshuler Shaham Ltd | 0 | $0 | 0.00% | −1,371−100.0% | Sold out |
| Harvest Investment Services, LLC | 0 | $0 | 0.00% | −1,343−100.0% | Sold out |
| Horizon Investments, LLC | 0 | $0 | 0.00% | −1,333−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −1,027−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −1,004−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −1,003−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −982−100.0% | Sold out |
| Barings LLC | 0 | $0 | 0.00% | −911−100.0% | Sold out |
| Cornercap Investment Counsel Inc | 0 | $0 | 0.00% | −897−100.0% | Sold out |
| Arrow Investment Advisors, LLC | 0 | $0 | 0.00% | −895−100.0% | Sold out |
| First Foundation Advisors | 0 | $0 | 0.00% | −817−100.0% | Sold out |
| Websterrogers Financial Advisors, LLC | 0 | $0 | 0.00% | −844−100.0% | Sold out |
| Sequoia Financial Advisors, LLC | 0 | $0 | 0.00% | −801−100.0% | Sold out |
| Vigilare Wealth Management | 0 | $0 | 0.00% | −800−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −717−100.0% | Sold out |
| Colony Group LLC | 0 | $0 | 0.00% | −705−100.0% | Sold out |
| Stevens Capital Management LP | 0 | $0 | 0.00% | −656−100.0% | Sold out |
| Capital Investment Advisors, LLC | 0 | $0 | 0.00% | −655−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| AMG National Trust Bank | 0 | $0 | 0.00% | −580−100.0% | Sold out |
| First Mercantile Trust Co | 0 | $0 | 0.00% | −459−100.0% | Sold out |
| KB Financial Partners, LLC | 0 | $0 | 0.00% | −142−100.0% | Sold out |
| Concord Wealth Partners | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| CVA Family Office, LLC | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| Atlas Capital Advisors LLC | 0 | $0 | 0.00% | −31−100.0% | Sold out |
| Red Door Wealth Management, LLC | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Activest Wealth Management | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Enterprise Financial Services Corp | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Arcadia Investment Advisors LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Pictet Asset Management Ltd | – | – | – | – | Not filed |
| QS Investors, LLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| MACRO Consulting Group | – | – | – | – | Not filed |
| CWS Financial Advisors, LLC | – | – | – | – | Not filed |
| Usca Ria LLC | – | – | – | – | Not filed |
| Castleview Partners, LLC | – | – | – | – | Not filed |
| San Francisco Sentry Investment Group (Ca) | – | – | – | – | Not filed |
| First Horizon Corp | – | – | – | – | Not filed |
| Horan Securities, Inc. | – | – | – | – | Not filed |