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 | $34.3B |
| 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, 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 |
|---|---|---|---|---|---|
| Group One Trading, L.P. | 1,795 | $1.04M | 0.03% | +1,795 | New |
| NewEdge Wealth, LLC | 1,788 | $1.03M | 0.01% | −3,702−67.4% | Reduced |
| North Dakota State Investment Board | 1,783 | $1.03M | 0.04% | +49+2.8% | Added |
| Principal Securities, Inc. | 1,767 | $1.02M | 0.01% | −248−12.3% | Reduced |
| State of Wyoming | 1,765 | $1.02M | 0.10% | +342+24.0% | Added |
| Regions Financial Corp | 1,754 | $1.01M | 0.01% | −954−35.2% | Reduced |
| MAI Capital Management | 1,732 | $999.1K | 0.00% | −7−0.4% | Reduced |
| Clearstead Advisors, LLC | 1,727 | $996.0K | 0.01% | −2,591−60.0% | Reduced |
| NVWM, LLC | 1,722 | $992.6K | 0.20% | −67−3.7% | Reduced |
| GAM Holding AG | 1,711 | $986.7K | 0.08% | +340+24.8% | Added |
| Samara Investment Management, LLC | 1,710 | $986.2K | 0.91% | −54−3.1% | Reduced |
| Fulcrum Asset Management LLP | 1,693 | $984.0K | 0.10% | +1,693 | New |
| Argyle Capital Partners, LLC | 1,702 | $981.5K | 0.62% | 00.0% | Unchanged |
| Busey Wealth Management | 1,701 | $981.0K | 0.02% | −33−1.9% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 1,681 | $969.0K | 0.01% | −228−11.9% | Reduced |
| Osmosis Investment Management UK Ltd | 1,663 | $959.1K | 0.04% | −1,477−47.0% | Reduced |
| Wellington Management Group LLP | 1,629 | $939.4K | 0.00% | +105+6.9% | Added |
| Jefferies Financial Group Inc. | 1,624 | $936.6K | 0.01% | −3,924−70.7% | Reduced |
| Worthington Financial Partners, LLC | 1,606 | $926.2K | 0.77% | +29+1.8% | Added |
| Simplex Trading, LLC | 1,606 | $926.2K | 0.02% | +1,606 | New |
| Hazlett, Burt & Watson, Inc. | 1,577 | $909.0K | 0.24% | +484+44.3% | Added |
| Kentucky Retirement Systems Insurance Trust Fund | 1,571 | $906.0K | 0.05% | −7−0.4% | Reduced |
| V-Square Quantitative Management LLC | 1,556 | $897.3K | 0.09% | +53+3.5% | Added |
| Securian Asset Management, Inc | 1,593 | $896.2K | 0.03% | −100−5.9% | Reduced |
| Fayez Sarofim & Co | 1,550 | $893.9K | 0.00% | 00.0% | Unchanged |
| Hilltop Holdings Inc. | 1,544 | $890.4K | 0.07% | +319+26.0% | Added |
| Texas Yale Capital Corp. | 1,489 | $858.7K | 0.02% | 00.0% | Unchanged |
| Canada Post Corp Registered Pension Plan | 1,487 | $857.6K | 0.03% | 00.0% | Unchanged |
| Wahed Invest LLC | 1,477 | $851.8K | 0.09% | −55−3.6% | Reduced |
| Laird Norton Trust Company, LLC | 1,460 | $842.0K | 0.02% | −38−2.5% | Reduced |
| Metis Global Partners, LLC | 1,447 | $834.5K | 0.02% | −862−37.3% | Reduced |
| Park Avenue Securities LLC | 1,446 | $834.0K | 0.01% | −303−17.3% | Reduced |
| SevenBridge Financial Group, LLC | 1,519 | $833.3K | 0.12% | 00.0% | Unchanged |
| Envestnet Portfolio Solutions, Inc. | 1,437 | $828.7K | 0.00% | −2,540−63.9% | Reduced |
| Allworth Financial LP | 1,431 | $825.4K | 0.00% | −594−29.3% | Reduced |
| D. E. Shaw & Co., Inc. | 1,430 | $824.7K | 0.00% | +1,430 | New |
| SRS Capital Advisors, Inc. | 1,424 | $820.8K | 0.01% | +1,056+287.0% | Added |
| Nikko Asset Management Americas, Inc. | 1,403 | $808.9K | 0.01% | +1,403 | New |
| Burling Wealth Partners, LLC | 1,399 | $806.8K | 0.12% | +8+0.6% | Added |
| Signature Wealth Management Partners, LLC | 1,396 | $805.1K | 0.38% | 00.0% | Unchanged |
| Oak Thistle LLC | 1,395 | $804.5K | 0.08% | +1,395 | New |
| Simon Quick Advisors, LLC | 1,383 | $797.6K | 0.03% | −71−4.9% | Reduced |
| Syon Capital LLC | 1,354 | $780.9K | 0.03% | −75−5.2% | Reduced |
| Lionhunter Capital Management, LLC | 1,352 | $779.7K | 0.35% | +1,352 | New |
| Cullen/Frost Bankers, Inc. | 1,349 | $777.8K | 0.01% | −116−7.9% | Reduced |
| Essex Investment Management Co LLC | 1,333 | $768.7K | 0.10% | 00.0% | Unchanged |
| First National Bank of Hutchinson | 1,329 | $766.4K | 0.42% | −14−1.0% | Reduced |
| Quantitative Investment Management, LLC | 1,324 | $763.0K | 0.08% | +1,324 | New |
| Y-Intercept (Hong Kong) Ltd | 1,308 | $754.3K | 0.01% | −11,224−89.6% | Reduced |
| Confluence Wealth Services, Inc. | 1,305 | $752.6K | 0.02% | +1,305 | New |
| Citizens Financial Group Inc | 1,303 | $751.6K | 0.01% | +749+135.2% | Added |
| Signaturefd, LLC | 1,302 | $750.8K | 0.01% | −285−18.0% | Reduced |
| Axq Capital, LP | 1,294 | $746.3K | 0.08% | +1,294 | New |
| Siemens Fonds Invest GmbH | 1,293 | $745.7K | 0.04% | +420+48.1% | Added |
| Parallel Advisors, LLC | 1,291 | $744.9K | 0.01% | −34−2.6% | Reduced |
| Colonial Trust Advisors | 1,290 | $743.9K | 0.05% | −18−1.4% | Reduced |
| Paladin Wealth, LLC | 1,286 | $741.6K | 0.43% | +205+19.0% | Added |
| Walleye Trading LLC | 1,282 | $739.3K | 0.01% | −1,683−56.8% | Reduced |
| Warren Averett Asset Management, LLC | 1,277 | $736.6K | 0.00% | −240−15.8% | Reduced |
| Vestcor Inc | 1,266 | $730.0K | 0.02% | 00.0% | Unchanged |
| Independence Bank of Kentucky | 1,262 | $727.8K | 0.08% | +386+44.1% | Added |
| Greenleaf Trust | 1,260 | $726.6K | 0.01% | −7−0.6% | Reduced |
| Checchi Capital Advisers, LLC | 1,240 | $715.1K | 0.05% | −103−7.7% | Reduced |
| Crewe Advisors LLC | 1,236 | $712.8K | 0.05% | +10+0.8% | Added |
| Boston Private Wealth LLC | 1,233 | $711.3K | 0.04% | −151−10.9% | Reduced |
| Strategy Asset Managers LLC | 1,232 | $710.5K | 0.11% | 00.0% | Unchanged |
| Texas Capital Bank Wealth Management Services Inc | 1,222 | $704.7K | 0.04% | −183−13.0% | Reduced |
| Banque Cantonale Vaudoise | 1,215 | $702.0K | 0.03% | −552−31.2% | Reduced |
| Fidelis Capital Partners, LLC | 1,212 | $699.0K | 0.04% | +124+11.4% | Added |
| Bridgewealth Advisory Group, LLC | 1,209 | $697.2K | 0.13% | +1+0.1% | Added |
| Cresset Asset Management, LLC | 1,205 | $695.0K | 0.00% | −37−3.0% | Reduced |
| Principal Street Partners, LLC | 1,191 | $686.9K | 0.10% | +29+2.5% | Added |
| Ritholtz Wealth Management | 1,171 | $675.4K | 0.01% | −18−1.5% | Reduced |
| O'Brien Greene & Co. Inc | 1,168 | $673.7K | 0.19% | 00.0% | Unchanged |
| Benjamin Edwards Inc | 1,168 | $673.6K | 0.01% | −411−26.0% | Reduced |
| Argonautica Private Wealth Management, Inc | 1,161 | $669.5K | 0.16% | +1,161 | New |
| Kapstone Financial Advisors LLC | 1,159 | $668.4K | 0.28% | −99−7.9% | Reduced |
| Patron Partners Advisors, LLC | 1,151 | $664.0K | 0.26% | +90+8.5% | Added |
| Caisse de Depot Et Placement du Quebec | 1,149 | $662.6K | 0.00% | +81+7.6% | Added |
| AlphaCore Capital LLC | 1,147 | $661.5K | 0.01% | +484+73.0% | Added |
| Concurrent Investment Advisors, LLC | 1,122 | $647.3K | 0.01% | +247+28.2% | Added |
| Vines Capital Management, LLC | 1,122 | $647.1K | 0.53% | 00.0% | Unchanged |
| Mather Group, LLC. | 1,121 | $646.3K | 0.01% | +700+166.3% | Added |
| Summit Financial, LLC | 1,112 | $641.2K | 0.01% | +37+3.4% | Added |
| Tarbox Family Office, Inc. | 1,102 | $635.5K | 0.09% | 00.0% | Unchanged |
| Texas Bank & Trust Co | 1,100 | $634.4K | 0.21% | 00.0% | Unchanged |
| Oppenheimer Asset Management Inc. | 1,098 | $633.2K | 0.01% | −9,063−89.2% | Reduced |
| ClearAlpha Technologies LP | 1,097 | $632.6K | 1.08% | +1,097 | New |
| Blackstone Group Inc. | 1,082 | $624.0K | 0.00% | +198+22.4% | Added |
| Farther Finance Advisors, LLC | 1,078 | $622.4K | 0.00% | +137+14.6% | Added |
| Castle Wealth Management LLC | 1,079 | $622.0K | 0.18% | −3−0.3% | Reduced |
| VARCOV Co. | 1,077 | $621.1K | 0.24% | +1,077 | New |
| Aventura Private Wealth, LLC | 1,064 | $613.7K | 0.19% | +31+3.0% | Added |
| Palumbo Wealth Management LLC | 1,056 | $609.2K | 0.13% | +131+14.2% | Added |
| Myriad Asset Management US LP | 1,043 | $601.0K | 0.83% | +126+13.7% | Added |
| Steward Partners Investment Advisory, LLC | 1,041 | $600.4K | 0.00% | −575−35.6% | Reduced |
| Alteri Wealth LLC | 1,039 | $599.4K | 0.17% | +159+18.1% | Added |
| Herold Advisors, Inc. | 1,031 | $594.0K | 0.12% | +216+26.5% | Added |
| Massmutual Trust Co FSB | 1,023 | $590.0K | 0.02% | −24−2.3% | Reduced |
| Evergreen Capital Management LLC | 1,021 | $588.8K | 0.01% | +1,021 | New |