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 |
|---|---|---|---|---|---|
| Caisse de Depot Et Placement du Quebec | 1,149 | $662.6K | 0.00% | +81+7.6% | Added |
| Patron Partners Advisors, LLC | 1,151 | $664.0K | 0.26% | +90+8.5% | Added |
| Kapstone Financial Advisors LLC | 1,159 | $668.4K | 0.28% | −99−7.9% | Reduced |
| Argonautica Private Wealth Management, Inc | 1,161 | $669.5K | 0.16% | +1,161 | New |
| Benjamin Edwards Inc | 1,168 | $673.6K | 0.01% | −411−26.0% | Reduced |
| O'Brien Greene & Co. Inc | 1,168 | $673.7K | 0.19% | 00.0% | Unchanged |
| Ritholtz Wealth Management | 1,171 | $675.4K | 0.01% | −18−1.5% | Reduced |
| Principal Street Partners, LLC | 1,191 | $686.9K | 0.10% | +29+2.5% | Added |
| Cresset Asset Management, LLC | 1,205 | $695.0K | 0.00% | −37−3.0% | Reduced |
| Bridgewealth Advisory Group, LLC | 1,209 | $697.2K | 0.13% | +1+0.1% | Added |
| Fidelis Capital Partners, LLC | 1,212 | $699.0K | 0.04% | +124+11.4% | Added |
| Banque Cantonale Vaudoise | 1,215 | $702.0K | 0.03% | −552−31.2% | Reduced |
| Texas Capital Bank Wealth Management Services Inc | 1,222 | $704.7K | 0.04% | −183−13.0% | Reduced |
| Strategy Asset Managers LLC | 1,232 | $710.5K | 0.11% | 00.0% | Unchanged |
| Boston Private Wealth LLC | 1,233 | $711.3K | 0.04% | −151−10.9% | Reduced |
| Crewe Advisors LLC | 1,236 | $712.8K | 0.05% | +10+0.8% | Added |
| Checchi Capital Advisers, LLC | 1,240 | $715.1K | 0.05% | −103−7.7% | Reduced |
| Greenleaf Trust | 1,260 | $726.6K | 0.01% | −7−0.6% | Reduced |
| Independence Bank of Kentucky | 1,262 | $727.8K | 0.08% | +386+44.1% | Added |
| Vestcor Inc | 1,266 | $730.0K | 0.02% | 00.0% | Unchanged |
| Warren Averett Asset Management, LLC | 1,277 | $736.6K | 0.00% | −240−15.8% | Reduced |
| Walleye Trading LLC | 1,282 | $739.3K | 0.01% | −1,683−56.8% | Reduced |
| Paladin Wealth, LLC | 1,286 | $741.6K | 0.43% | +205+19.0% | Added |
| Colonial Trust Advisors | 1,290 | $743.9K | 0.05% | −18−1.4% | Reduced |
| Parallel Advisors, LLC | 1,291 | $744.9K | 0.01% | −34−2.6% | Reduced |
| Siemens Fonds Invest GmbH | 1,293 | $745.7K | 0.04% | +420+48.1% | Added |
| Axq Capital, LP | 1,294 | $746.3K | 0.08% | +1,294 | New |
| Signaturefd, LLC | 1,302 | $750.8K | 0.01% | −285−18.0% | Reduced |
| Citizens Financial Group Inc | 1,303 | $751.6K | 0.01% | +749+135.2% | Added |
| Confluence Wealth Services, Inc. | 1,305 | $752.6K | 0.02% | +1,305 | New |
| Y-Intercept (Hong Kong) Ltd | 1,308 | $754.3K | 0.01% | −11,224−89.6% | Reduced |
| Quantitative Investment Management, LLC | 1,324 | $763.0K | 0.08% | +1,324 | New |
| First National Bank of Hutchinson | 1,329 | $766.4K | 0.42% | −14−1.0% | Reduced |
| Essex Investment Management Co LLC | 1,333 | $768.7K | 0.10% | 00.0% | Unchanged |
| Cullen/Frost Bankers, Inc. | 1,349 | $777.8K | 0.01% | −116−7.9% | Reduced |
| Lionhunter Capital Management, LLC | 1,352 | $779.7K | 0.35% | +1,352 | New |
| Syon Capital LLC | 1,354 | $780.9K | 0.03% | −75−5.2% | Reduced |
| Simon Quick Advisors, LLC | 1,383 | $797.6K | 0.03% | −71−4.9% | Reduced |
| Oak Thistle LLC | 1,395 | $804.5K | 0.08% | +1,395 | New |
| Signature Wealth Management Partners, LLC | 1,396 | $805.1K | 0.38% | 00.0% | Unchanged |
| Burling Wealth Partners, LLC | 1,399 | $806.8K | 0.12% | +8+0.6% | Added |
| Nikko Asset Management Americas, Inc. | 1,403 | $808.9K | 0.01% | +1,403 | New |
| SRS Capital Advisors, Inc. | 1,424 | $820.8K | 0.01% | +1,056+287.0% | Added |
| D. E. Shaw & Co., Inc. | 1,430 | $824.7K | 0.00% | +1,430 | New |
| Allworth Financial LP | 1,431 | $825.4K | 0.00% | −594−29.3% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 1,437 | $828.7K | 0.00% | −2,540−63.9% | Reduced |
| SevenBridge Financial Group, LLC | 1,519 | $833.3K | 0.12% | 00.0% | Unchanged |
| Park Avenue Securities LLC | 1,446 | $834.0K | 0.01% | −303−17.3% | Reduced |
| Metis Global Partners, LLC | 1,447 | $834.5K | 0.02% | −862−37.3% | Reduced |
| Laird Norton Trust Company, LLC | 1,460 | $842.0K | 0.02% | −38−2.5% | Reduced |
| Wahed Invest LLC | 1,477 | $851.8K | 0.09% | −55−3.6% | Reduced |
| Canada Post Corp Registered Pension Plan | 1,487 | $857.6K | 0.03% | 00.0% | Unchanged |
| Texas Yale Capital Corp. | 1,489 | $858.7K | 0.02% | 00.0% | Unchanged |
| Hilltop Holdings Inc. | 1,544 | $890.4K | 0.07% | +319+26.0% | Added |
| Fayez Sarofim & Co | 1,550 | $893.9K | 0.00% | 00.0% | Unchanged |
| Securian Asset Management, Inc | 1,593 | $896.2K | 0.03% | −100−5.9% | Reduced |
| V-Square Quantitative Management LLC | 1,556 | $897.3K | 0.09% | +53+3.5% | Added |
| Kentucky Retirement Systems Insurance Trust Fund | 1,571 | $906.0K | 0.05% | −7−0.4% | Reduced |
| Hazlett, Burt & Watson, Inc. | 1,577 | $909.0K | 0.24% | +484+44.3% | Added |
| Simplex Trading, LLC | 1,606 | $926.2K | 0.02% | +1,606 | New |
| Worthington Financial Partners, LLC | 1,606 | $926.2K | 0.77% | +29+1.8% | Added |
| Jefferies Financial Group Inc. | 1,624 | $936.6K | 0.01% | −3,924−70.7% | Reduced |
| Wellington Management Group LLP | 1,629 | $939.4K | 0.00% | +105+6.9% | Added |
| Osmosis Investment Management UK Ltd | 1,663 | $959.1K | 0.04% | −1,477−47.0% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 1,681 | $969.0K | 0.01% | −228−11.9% | Reduced |
| Busey Wealth Management | 1,701 | $981.0K | 0.02% | −33−1.9% | Reduced |
| Argyle Capital Partners, LLC | 1,702 | $981.5K | 0.62% | 00.0% | Unchanged |
| Fulcrum Asset Management LLP | 1,693 | $984.0K | 0.10% | +1,693 | New |
| Samara Investment Management, LLC | 1,710 | $986.2K | 0.91% | −54−3.1% | Reduced |
| GAM Holding AG | 1,711 | $986.7K | 0.08% | +340+24.8% | Added |
| NVWM, LLC | 1,722 | $992.6K | 0.20% | −67−3.7% | Reduced |
| Clearstead Advisors, LLC | 1,727 | $996.0K | 0.01% | −2,591−60.0% | Reduced |
| MAI Capital Management | 1,732 | $999.1K | 0.00% | −7−0.4% | Reduced |
| Regions Financial Corp | 1,754 | $1.01M | 0.01% | −954−35.2% | Reduced |
| State of Wyoming | 1,765 | $1.02M | 0.10% | +342+24.0% | Added |
| Principal Securities, Inc. | 1,767 | $1.02M | 0.01% | −248−12.3% | Reduced |
| North Dakota State Investment Board | 1,783 | $1.03M | 0.04% | +49+2.8% | Added |
| NewEdge Wealth, LLC | 1,788 | $1.03M | 0.01% | −3,702−67.4% | Reduced |
| Group One Trading, L.P. | 1,795 | $1.04M | 0.03% | +1,795 | New |
| Sterling Capital Management LLC | 1,797 | $1.04M | 0.02% | −220−10.9% | Reduced |
| MUFG Securities Americas Inc. | 1,809 | $1.04M | 0.05% | +140+8.4% | Added |
| Horizon Investments, LLC | 1,836 | $1.06M | 0.01% | +16+0.9% | Added |
| Ossiam | 1,841 | $1.06M | 0.01% | +1,841 | New |
| Kestra Private Wealth Services, LLC | 1,845 | $1.06M | 0.01% | −128−6.5% | Reduced |
| Trust Investment Advisors | 1,851 | $1.07M | 0.51% | +11+0.6% | Added |
| SummitTX Capital, L.P. | 1,866 | $1.08M | 0.03% | −3,934−67.8% | Reduced |
| Ironsides Asset Advisors, LLC | 1,873 | $1.08M | 0.25% | 00.0% | Unchanged |
| Proficio Capital Partners LLC | 1,874 | $1.08M | 0.04% | +318+20.4% | Added |
| Balyasny Asset Management LLC | 1,878 | $1.08M | 0.00% | +978+108.7% | Added |
| Inceptionr LLC | 1,891 | $1.09M | 0.27% | +1,891 | New |
| Ballentine Partners, LLC | 1,892 | $1.09M | 0.01% | −173−8.4% | Reduced |
| Guggenheim Capital LLC | 1,901 | $1.10M | 0.01% | +14+0.7% | Added |
| Vise Technologies, Inc. | 1,901 | $1.10M | 0.01% | +987+108.0% | Added |
| First American Bank | 1,908 | $1.10M | 0.06% | −38−2.0% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 1,926 | $1.11M | 0.01% | −4−0.2% | Reduced |
| Accurate Wealth Management, LLC | 1,929 | $1.11M | 0.11% | +1,929 | New |
| Monticello Wealth Management, LLC | 1,950 | $1.12M | 0.06% | +2+0.1% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 1,969 | $1.13M | 0.01% | −5,244−72.7% | Reduced |
| TCW Group Inc | 1,982 | $1.14M | 0.01% | −45,754−95.8% | Reduced |
| Merit Financial Group, LLC | 1,984 | $1.14M | 0.01% | +66+3.4% | Added |