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 2025
Institutional positions in Martin Marietta Materials Inc as of Sep 30, 2025. 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
- 1,053
- +68 vs. Q2 2025
- Shares held
- 58.2M
- −919.2K (−1.6%) vs. Q2 2025
- Total value
- $36.7B
- +$4.20B (+12.9%) vs. Q2 2025
- New holders
- 132
- 366 more added
- Sold out
- 64
- 344 more reduced
14 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ironsides Asset Advisors, LLC | 1,773 | $1.12M | 0.29% | 00.0% | Unchanged |
| Princeton Capital Management LLC | 1,752 | $1.10M | 0.30% | 00.0% | Unchanged |
| Intech Investment Management LLC | 1,716 | $1.08M | 0.01% | +8+0.5% | Added |
| Advisory Services Network, LLC | 1,710 | $1.08M | 0.02% | −198−10.4% | Reduced |
| Sciencast Management LP | 1,703 | $1.07M | 0.20% | −5,633−76.8% | Reduced |
| Argyle Capital Partners, LLC | 1,702 | $1.07M | 0.77% | 00.0% | Unchanged |
| Catalytic Wealth RIA, LLC | 1,693 | $1.07M | 0.04% | +1,140+206.1% | Added |
| Smartleaf Asset Management LLC | 1,712 | $1.06M | 0.07% | +490+40.1% | Added |
| Siemens Fonds Invest GmbH | 1,682 | $1.06M | 0.06% | −2−0.1% | Reduced |
| Allworth Financial LP | 1,680 | $1.06M | 0.00% | +183+12.2% | Added |
| Wahed Invest LLC | 1,640 | $1.03M | 0.14% | +9+0.6% | Added |
| Walleye Trading LLC | 1,629 | $1.03M | 0.02% | +308+23.3% | Added |
| MUFG Securities Americas Inc. | 1,627 | $1.03M | 0.07% | +291+21.8% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 1,627 | $1.03M | 0.01% | +498+44.1% | Added |
| Global Trust Asset Management, LLC | 1,592 | $1.00M | 0.45% | −79−4.7% | Reduced |
| Kentucky Retirement Systems Insurance Trust Fund | 1,578 | $994.6K | 0.07% | −89−5.3% | Reduced |
| Curated Wealth Partners LLC | 1,570 | $989.5K | 0.12% | +175+12.5% | Added |
| Proficio Capital Partners LLC | 1,557 | $981.3K | 0.07% | −295−15.9% | Reduced |
| Benjamin Edwards Inc | 1,540 | $971.2K | 0.01% | +457+42.2% | Added |
| Skopos Labs, Inc. | 1,747 | $960.6K | 0.13% | −30−1.7% | Reduced |
| ASR Vermogensbeheer N.V. | 1,512 | $952.9K | 0.01% | +5+0.3% | Added |
| AlTi Global, Inc. | 1,499 | $944.8K | 0.02% | +20+1.4% | Added |
| Texas Yale Capital Corp. | 1,489 | $938.5K | 0.03% | +50+3.5% | Added |
| Cullen/Frost Bankers, Inc. | 1,486 | $936.3K | 0.01% | −26−1.7% | Reduced |
| SevenBridge Financial Group, LLC | 1,522 | $935.7K | 0.15% | +3+0.2% | Added |
| Ballentine Partners, LLC | 1,477 | $930.9K | 0.01% | −1−0.1% | Reduced |
| Chesapeake Capital Corp | 1,475 | $929.7K | 0.83% | +1,475 | New |
| Qtron Investments LLC | 1,471 | $927.1K | 0.11% | +360+32.4% | Added |
| Fayez Sarofim & Co | 1,468 | $925.3K | 0.00% | +14+1.0% | Added |
| Boston Private Wealth LLC | 1,447 | $912.3K | 0.05% | −185−11.3% | Reduced |
| Burling Wealth Partners, LLC | 1,444 | $910.1K | 0.15% | −111−7.1% | Reduced |
| Epoch Investment Partners, Inc. | 1,437 | $905.7K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 1,409 | $888.1K | 0.02% | +21+1.5% | Added |
| Profund Advisors LLC | 1,406 | $886.2K | 0.03% | −168−10.7% | Reduced |
| GAM Holding AG | 1,405 | $885.5K | 0.05% | 00.0% | Unchanged |
| Colonial Trust Advisors | 1,404 | $884.9K | 0.07% | −812−36.6% | Reduced |
| Tower Research Capital LLC (TRC) | 1,401 | $883.0K | 0.02% | −3,091−68.8% | Reduced |
| SRS Capital Advisors, Inc. | 1,399 | $882.2K | 0.01% | +980+233.9% | Added |
| Signature Wealth Management Partners, LLC | 1,396 | $879.9K | 0.46% | 00.0% | Unchanged |
| Forum Financial Management, LP | 1,374 | $866.0K | 0.01% | +128+10.3% | Added |
| Crewe Advisors LLC | 1,361 | $857.8K | 0.08% | +1,361 | New |
| Citizens Financial Group Inc | 1,358 | $856.1K | 0.01% | +44+3.3% | Added |
| Empire Financial Management Company, LLC | 1,352 | $852.1K | 0.20% | 00.0% | Unchanged |
| Park Avenue Securities LLC | 1,343 | $847.0K | 0.01% | −7−0.5% | Reduced |
| Essex Investment Management Co LLC | 1,333 | $840.2K | 0.13% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 1,314 | $828.0K | 0.03% | −617−32.0% | Reduced |
| Occudo Quantitative Strategies LP | 1,307 | $823.8K | 0.10% | +1,307 | New |
| NorthRock Partners, LLC | 1,293 | $815.0K | 0.01% | +227+21.3% | Added |
| Kapstone Financial Advisors LLC | 1,292 | $814.3K | 0.38% | −23−1.7% | Reduced |
| Supplemental Annuity Collective Trust of NJ | 1,270 | $800.5K | 0.21% | 00.0% | Unchanged |
| Signaturefd, LLC | 1,270 | $800.4K | 0.01% | +194+18.0% | Added |
| Vestcor Inc | 1,266 | $798.0K | 0.02% | 00.0% | Unchanged |
| Checchi Capital Advisers, LLC | 1,266 | $797.9K | 0.05% | −67−5.0% | Reduced |
| Wellington Management Group LLP | 1,261 | $794.8K | 0.00% | +500+65.7% | Added |
| O'Brien Greene & Co. Inc | 1,258 | $793.0K | 0.24% | −6−0.5% | Reduced |
| Paladin Wealth, LLC | 1,236 | $779.0K | 0.56% | +1,236 | New |
| Strategy Asset Managers LLC | 1,232 | $776.5K | 0.14% | 00.0% | Unchanged |
| Clarendon Private LLC | 1,224 | $771.5K | 0.70% | −65−5.0% | Reduced |
| Ashton Thomas Securities, LLC | 1,217 | $767.1K | 0.11% | +33+2.8% | Added |
| Syon Capital LLC | 1,209 | $762.1K | 0.04% | +182+17.7% | Added |
| Bridgewealth Advisory Group, LLC | 1,206 | $760.4K | 0.18% | +1+0.1% | Added |
| Aventura Private Wealth, LLC | 1,193 | $752.0K | 0.28% | −9−0.7% | Reduced |
| Sageworth Trust Co | 1,185 | $746.9K | 0.03% | +1,185 | New |
| Michael B. Yongue | 1,178 | $742.5K | 0.52% | −5−0.4% | Reduced |
| Castle Wealth Management LLC | 1,174 | $740.0K | 0.25% | +1+0.1% | Added |
| Principal Street Partners, LLC | 1,173 | $739.3K | 0.12% | −35−2.9% | Reduced |
| Jump Financial, LLC | 1,170 | $737.4K | 0.01% | −1,456−55.4% | Reduced |
| Tarbox Family Office, Inc. | 1,156 | $728.6K | 0.11% | 00.0% | Unchanged |
| MUFG Securities EMEA plc | 1,154 | $727.3K | 0.02% | +976+548.3% | Added |
| State of Wyoming | 1,153 | $726.7K | 0.08% | −194−14.4% | Reduced |
| Canada Post Corp Registered Pension Plan | 1,167 | $725.0K | 0.03% | +230+24.5% | Added |
| Erste Asset Management GmbH | 1,150 | $714.4K | 0.01% | +550+91.7% | Added |
| Massmutual Trust Co FSB | 1,133 | $714.1K | 0.02% | −72−6.0% | Reduced |
| Greenleaf Trust | 1,132 | $713.5K | 0.01% | +39+3.6% | Added |
| Umb Bank N A | 1,128 | $711.0K | 0.01% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 1,127 | $710.3K | 0.03% | −4−0.4% | Reduced |
| Fidelis Capital Partners, LLC | 1,115 | $702.8K | 0.05% | +2+0.2% | Added |
| WBH Advisory Inc | 1,109 | $699.0K | 0.05% | 00.0% | Unchanged |
| Atomi Financial Group, Inc. | 1,106 | $696.8K | 0.02% | +71+6.9% | Added |
| Private Advisor Group, LLC | 1,101 | $693.8K | 0.00% | −283−20.4% | Reduced |
| Texas Bank & Trust Co | 1,100 | $693.3K | 0.26% | 00.0% | Unchanged |
| Hazlett, Burt & Watson, Inc. | 1,093 | $687.0K | 0.24% | −101−8.5% | Reduced |
| Hengehold Capital Management LLC | 1,084 | $683.5K | 0.06% | +107+11.0% | Added |
| Axxcess Wealth Management, LLC | 1,074 | $676.9K | 0.01% | −332−23.6% | Reduced |
| TD Private Client Wealth LLC | 1,040 | $655.5K | 0.01% | +273+35.6% | Added |
| SFMG, LLC | 1,037 | $653.6K | 0.05% | 00.0% | Unchanged |
| Welch Group, LLC | 1,035 | $652.3K | 0.03% | 00.0% | Unchanged |
| Midwest Trust Co | 1,023 | $644.8K | 0.01% | 00.0% | Unchanged |
| Adalta Capital Management LLC | 1,015 | $639.7K | 0.29% | 00.0% | Unchanged |
| Prudential PLC | 1,008 | $635.3K | 0.00% | 00.0% | Unchanged |
| Recurrent Investment Advisors LLC | 1,008 | $635.3K | 0.05% | 00.0% | Unchanged |
| Ferguson Wellman Capital Management, Inc | 1,005 | $633.4K | 0.01% | 00.0% | Unchanged |
| Merrion Investment Management Co, LLC | 1,000 | $630.3K | 0.36% | 00.0% | Unchanged |
| Corient IA LLC | 1,000 | $630.3K | 0.47% | 00.0% | Unchanged |
| Summit Financial, LLC | 981 | $618.4K | 0.01% | +191+24.2% | Added |
| Concurrent Investment Advisors, LLC | 979 | $617.1K | 0.01% | −1−0.1% | Reduced |
| Baker Tilly Wealth Management, LLC | 978 | $616.5K | 0.14% | +74+8.2% | Added |
| Miracle Mile Advisors, LLC | 971 | $612.2K | 0.01% | −89−8.4% | Reduced |
| Defined Wealth Management, LLC | 971 | $612.0K | 0.36% | +6+0.6% | Added |
| Kestra Private Wealth Services, LLC | 955 | $602.2K | 0.01% | −192−16.7% | Reduced |