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 2025
Institutional positions in Martin Marietta Materials Inc as of Jun 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
- 999
- +56 vs. Q1 2025
- Shares held
- 59.7M
- +209.2K (+0.4%) vs. Q1 2025
- Total value
- $32.8B
- +$4.39B (+15.5%) vs. Q1 2025
- New holders
- 130
- 379 more added
- Sold out
- 74
- 321 more reduced
10 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HighTower Advisors, LLC | 58,283 | $32.0M | 0.04% | +10,470+21.9% | Added |
| Tran Capital Management, L.P. | 58,309 | $32.0M | 3.77% | +2,693+4.8% | Added |
| State Board of Administration of Florida Retirement System | 61,544 | $33.8M | 0.06% | +580+1.0% | Added |
| Confluence Investment Management LLC | 62,458 | $34.3M | 0.48% | −100.0% | Reduced |
| M&G Plc | 63,706 | $35.0M | 0.19% | +277+0.4% | Added |
| Heritage Investors Management Corp | 65,646 | $36.0M | 1.14% | −508−0.8% | Reduced |
| AQR Capital Management LLC | 66,602 | $36.6M | 0.03% | +19,784+42.3% | Added |
| Alliancebernstein L.P. | 67,438 | $37.0M | 0.01% | −528−0.8% | Reduced |
| CI Private Wealth, LLC | 71,410 | $39.2M | 0.06% | +1,146+1.6% | Added |
| Atika Capital Management LLC | 72,533 | $39.8M | 4.16% | +16,900+30.4% | Added |
| California State Teachers Retirement System | 72,858 | $40.0M | 0.04% | +140+0.2% | Added |
| California Public Employees Retirement System | 75,701 | $41.6M | 0.03% | +1,844+2.5% | Added |
| Border to Coast Pensions Partnership Ltd | 76,866 | $42.2M | 0.77% | +8,455+12.4% | Added |
| Squarepoint Ops LLC | 79,510 | $43.6M | 0.10% | −49,389−38.3% | Reduced |
| Gilder Gagnon Howe & Co LLC | 79,575 | $43.7M | 0.46% | +3,872+5.1% | Added |
| National Pension Service | 83,977 | $46.1M | 0.04% | +679+0.8% | Added |
| Russell Investments Group, Ltd. | 84,643 | $46.5M | 0.06% | −15,197−15.2% | Reduced |
| Camrose Capital Investment Partners LLP | 86,105 | $47.3M | 11.83% | +21,712+33.7% | Added |
| Fenimore Asset Management Inc | 88,850 | $48.8M | 0.97% | +5,010+6.0% | Added |
| Federated Hermes, Inc. | 90,738 | $49.8M | 0.09% | +1,495+1.7% | Added |
| Nitorum Capital, L.P. | 90,791 | $49.8M | 7.39% | −9,107−9.1% | Reduced |
| Glenmede Investment Management, LP | 91,451 | $50.2M | 0.25% | +91,451 | New |
| Citigroup Inc | 93,656 | $51.4M | 0.04% | −11,259−10.7% | Reduced |
| Natixis Advisors, L.P. | 100,801 | $55.3M | 0.09% | +11,303+12.6% | Added |
| Two Sigma Advisers, LP | 102,296 | $56.2M | 0.12% | −96,304−48.5% | Reduced |
| RDST Capital LLC | 105,540 | $57.9M | 5.79% | +105,540 | New |
| TimesSquare Capital Management, LLC | 107,445 | $59.0M | 0.85% | −4,485−4.0% | Reduced |
| TD Asset Management Inc | 111,668 | $61.3M | 0.05% | −9,832−8.1% | Reduced |
| Progeny 3, Inc. | 113,150 | $62.1M | 3.49% | +38,570+51.7% | Added |
| Price T Rowe Associates Inc | 114,527 | $62.9M | 0.01% | −93,750−45.0% | Reduced |
| Rhumbline Advisers | 114,824 | $63.0M | 0.05% | −3,134−2.7% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 115,088 | $63.2M | 0.05% | +6,887+6.4% | Added |
| Amundi | 115,764 | $64.7M | 0.02% | −1,590,652−93.2% | Reduced |
| Steginsky Capital LLC | 118,762 | $65.2M | 13.33% | +4,751+4.2% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 122,952 | $67.5M | 0.16% | −10,559−7.9% | Reduced |
| M.D. Sass Investors Services, Inc. | 123,032 | $67.5M | 5.44% | −1,324−1.1% | Reduced |
| HSBC Holdings PLC | 122,954 | $67.6M | 0.04% | −3,796−3.0% | Reduced |
| Ameriprise Financial Inc | 134,902 | $74.1M | 0.02% | −7,404−5.2% | Reduced |
| Silvercrest Asset Management Group LLC | 136,084 | $74.7M | 0.50% | −3,040−2.2% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 139,191 | $76.4M | 0.05% | +4,395+3.3% | Added |
| Wells Fargo & Company | 144,017 | $79.1M | 0.02% | +1,245+0.9% | Added |
| American Century Companies Inc | 146,866 | $80.6M | 0.04% | −222,516−60.2% | Reduced |
| Nuveen, LLC | 159,960 | $87.8M | 0.02% | +7,241+4.7% | Added |
| SEI Investments Co | 160,161 | $87.9M | 0.10% | −12,016−7.0% | Reduced |
| McDonald Capital Investors Inc | 161,571 | $88.7M | 5.57% | −5,274−3.2% | Reduced |
| Royal Bank of Canada | 164,024 | $90.0M | 0.02% | +4,612+2.9% | Added |
| DekaBank Deutsche Girozentrale | 177,524 | $97.7M | 0.17% | −22,816−11.4% | Reduced |
| Envestnet Asset Management Inc | 181,115 | $99.4M | 0.03% | −753−0.4% | Reduced |
| Fred Alger Management, LLC | 183,356 | $100.7M | 0.45% | +72,834+65.9% | Added |
| Swiss National Bank | 184,570 | $101.3M | 0.06% | +12,200+7.1% | Added |
| Great Lakes Advisors, LLC | 184,931 | $101.5M | 0.85% | +778+0.4% | Added |
| London Co of Virginia | 185,034 | $101.6M | 0.57% | −1,689−0.9% | Reduced |
| Hawk Ridge Capital Management LP | 191,575 | $105.2M | 4.39% | 00.0% | Unchanged |
| Barclays PLC | 198,634 | $109.0M | 0.04% | +41,015+26.0% | Added |
| Rathbone Brothers plc | 202,086 | $110.9M | 0.48% | −1,867−0.9% | Reduced |
| Deutsche Bank AG | 216,057 | $118.6M | 0.04% | −33,317−13.4% | Reduced |
| Two Sigma Investments, LP | 217,342 | $119.3M | 0.21% | −98,204−31.1% | Reduced |
| Findlay Park Partners LLP | 220,842 | $121.2M | 1.25% | −7,800−3.4% | Reduced |
| Macquarie Group Ltd | 227,076 | $124.7M | 0.15% | −44,926−16.5% | Reduced |
| Douglass Winthrop Advisors, LLC | 230,295 | $126.4M | 2.28% | +7,850+3.5% | Added |
| Congress Asset Management Co | 246,286 | $135.2M | 0.93% | −7,663−3.0% | Reduced |
| Clearbridge Investments, LLC | 260,187 | $142.8M | 0.12% | −3,299−1.3% | Reduced |
| Legal & General Group Plc | 274,581 | $150.7M | 0.04% | +9,364+3.5% | Added |
| Skye Global Management LP | 286,500 | $157.3M | 3.35% | −12,000−4.0% | Reduced |
| William Blair Investment Management, LLC | 286,715 | $157.4M | 0.42% | −6,037−2.1% | Reduced |
| Mawer Investment Management Ltd. | 286,720 | $157.4M | 0.80% | −3,786−1.3% | Reduced |
| Eagle Capital Management LLC | 333,196 | $182.9M | 0.60% | −1200.0% | Reduced |
| Raymond James Financial Inc | 348,223 | $191.2M | 0.07% | −3,978−1.1% | Reduced |
| Davenport & Co LLC | 358,642 | $197.0M | 1.09% | −1,229−0.3% | Reduced |
| UBS Group AG | 363,905 | $199.8M | 0.04% | −63,601−14.9% | Reduced |
| UBS Asset Management Americas Inc | 377,895 | $207.4M | 0.04% | +84,384+28.7% | Added |
| Bank of New York Mellon Corp | 394,359 | $216.5M | 0.04% | −18,128−4.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 406,444 | $223.1M | 0.43% | −9,824−2.4% | Reduced |
| Charles Schwab Investment Management Inc | 421,156 | $231.2M | 0.04% | +4,795+1.2% | Added |
| Norges Bank | 425,917 | $233.8M | 0.03% | −154,651−26.6% | Reduced |
| Franklin Resources Inc | 527,968 | $289.8M | 0.08% | +2,285+0.4% | Added |
| Dimensional Fund Advisors LP | 576,321 | $316.4M | 0.07% | −55,198−8.7% | Reduced |
| Northern Trust Corp | 614,435 | $337.3M | 0.05% | −19,037−3.0% | Reduced |
| Diamond Hill Capital Management Inc | 641,987 | $352.4M | 1.62% | −17,376−2.6% | Reduced |
| King Luther Capital Management Corp | 690,904 | $379.3M | 1.65% | −19,349−2.7% | Reduced |
| CIBC Private Wealth Group, LLC | 696,888 | $382.6M | 0.68% | +6,076+0.9% | Added |
| Invesco Ltd. | 712,457 | $391.1M | 0.07% | −141,778−16.6% | Reduced |
| Gardner Russo & Quinn LLCSuperinvestorGardner Russo & Quinn | 712,779 | $391.3M | 4.16% | −1,473−0.2% | Reduced |
| Alkeon Capital Management LLC | 802,351 | $440.5M | 2.14% | +32,000+4.2% | Added |
| Goldman Sachs Group Inc | 832,695 | $457.1M | 0.07% | −106,439−11.3% | Reduced |
| T. Rowe Price Investment Management, Inc. | 1,141,444 | $626.6M | 0.40% | −72,999−6.0% | Reduced |
| Select Equity Group, L.P. | 1,183,267 | $649.6M | 2.76% | −8,133−0.7% | Reduced |
| Baillie Gifford & Co | 1,230,943 | $675.7M | 0.50% | −24,173−1.9% | Reduced |
| Morgan Stanley | 1,280,791 | $703.1M | 0.05% | +355,579+38.4% | Added |
| Geode Capital Management, LLC | 1,520,932 | $831.3M | 0.06% | +4,666+0.3% | Added |
| Victory Capital Management Inc | 1,643,803 | $910.2M | 0.59% | +1,608,108+4,505.1% | Added |
| Principal Financial Group Inc | 2,011,788 | $1.10B | 0.58% | +71,365+3.7% | Added |
| Aristotle Capital Management, LLC | 2,275,539 | $1.25B | 2.41% | −62,946−2.7% | Reduced |
| Bank of America Corp | 2,340,677 | $1.28B | 0.10% | +565,856+31.9% | Added |
| State Street Corp | 2,825,325 | $1.55B | 0.06% | +56,353+2.0% | Added |
| JPMorgan Chase & Co | 2,955,139 | $1.62B | 0.11% | +10,445+0.4% | Added |
| FMR LLC | 3,010,162 | $1.65B | 0.09% | +352,258+13.3% | Added |
| BlackRock, Inc. | 4,227,808 | $2.32B | 0.04% | −84,285−2.0% | Reduced |
| Vanguard Group Inc | 7,349,350 | $4.03B | 0.07% | +6,992+0.1% | Added |
| Egerton Capital (UK) LLP | 0 | $0 | 0.00% | −165,338−100.0% | Sold out |