Martin Marietta MaterialsMLM
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 1,076 institutions reported holding Martin Marietta Materials (MLM) in their 13F filings, unchanged from Q1 2026. 100 opened new positions and 98 sold out. The largest holders were BlackRock, Inc. ($2.7B), Vanguard Capital Management LLC ($2.3B) and Vanguard Portfolio Management LLC ($1.8B). 11 famous investors held it, including Tom Russo (4.6% of Gardner Russo & Quinn's portfolio), Chris Hohn (1.4% of TCI Fund Management's portfolio) and Daniel Sundheim (0.6% of D1 Capital Partners's portfolio).
- Company
- Martin Marietta Materials
- Sector
- Industrials
- CUSIP
- 573284106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 100 | $1.2B |
| Exits | 98 | $129.8M |
All 13F filers, Q1 2026 → Q2 2026: 4,139,911 shares bought and 3,854,723 shares sold, net +285,188 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,076 holders
| BlackRock, Inc. | 0.04% | Add +0.1% | 4,692,446 | $2.7B |
| Vanguard Capital Management LLC | 0.05% | Add +0.3% | 3,929,705 | $2.3B |
| Vanguard Portfolio Management LLC | 0.08% | Add +1.2% | 3,197,395 | $1.8B |
| State Street Corp. | 0.05% | Add +9.8% | 3,159,639 | $1.8B |
| Bank of America Corp. | 0.09% | Add +2.0% | 2,446,762 | $1.4B |
| FMR LLC | 0.06% | Reduce -15.9% | 2,192,603 | $1.3B |
| Principal Financial Group Inc. | 0.60% | Add +1.1% | 2,116,369 | $1.2B |
| Aristotle Capital Management, LLC | 2.22% | Reduce -6.3% | 1,831,597 | $1.1B |
| Victory Capital Management Inc. | 0.58% | Add +8.9% | 1,783,432 | $1.0B |
| T. Rowe Price Associates Inc. | 0.09% | Add +7.4% | 1,599,324 | $922.3M |
| Geode Capital Management, LLC | 0.05% | Add +0.8% | 1,601,490 | $919.9M |
| JPMorgan Chase & Co. | 0.05% | Reduce -21.1% | 1,466,887 | $852.6M |
| TCI Fund Management | 1.44% | New | 1,315,109 | $758.4M |
| Goldman Sachs Group Inc. | 0.07% | Add +31.3% | 1,163,330 | $670.9M |
| Morgan Stanley | 0.03% | Reduce -24.6% | 1,012,016 | $583.6M |
| Select Equity Group, L.P. | 3.09% | Reduce -2.1% | 1,011,255 | $583.2M |
| Baillie Gifford & Co. | 0.52% | Reduce -8.8% | 991,786 | $572.0M |
| Gardner Russo & Quinn | 4.56% | Reduce -1.4% | 705,367 | $406.8M |
| King Luther Capital Management Corp. | 1.56% | Reduce -2.0% | 653,184 | $376.7M |
| Invesco Ltd. | 0.03% | Reduce -6.0% | 649,575 | $374.6M |
| T. Rowe Price Investment Management, Inc. | 0.24% | Reduce -32.7% | 641,321 | $369.9M |
| Alkeon Capital Management LLC | 1.40% | Reduce -16.1% | 627,351 | $361.8M |
| Dimensional Fund Advisors LP | 0.06% | Add +7.3% | 586,145 | $338.1M |
| Northern Trust Corp. | 0.04% | Reduce -2.8% | 570,346 | $328.9M |
| Norges Bank | 0.03% | — | 557,143 | $321.3M |
| Charles Schwab Investment Management Inc. | 0.04% | Add +7.0% | 492,536 | $284.0M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.34% | Add +8.5% | 486,058 | $280.3M |
| Franklin Resources Inc. | 0.06% | Reduce -13.0% | 459,327 | $264.9M |
| CIBC Bancorp USA Inc. | 0.28% | Reduce -17.7% | 390,665 | $225.5M |
| UBS Group AG | 0.04% | Add +10.2% | 390,429 | $225.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.04% | Add +13.6% | 386,046 | $222.6M |
| Bank of New York Mellon Corp | 0.03% | Reduce -6.8% | 345,624 | $199.3M |
| D1 Capital Partners | 0.57% | Add +6.9% | 345,060 | $199.0M |
| DAVENPORT & Co LLC | 0.99% | Reduce -1.6% | 336,791 | $194.7M |
| Vanguard Fiduciary Trust Co. | 0.04% | Reduce -0.6% | 337,299 | $194.5M |
| Wells Fargo & Company | 0.03% | Add +4.6% | 278,806 | $160.8M |
| Amundi | 0.04% | Reduce -0.2% | 263,497 | $152.0M |
| Skye Global Management LP | 2.83% | Reduce -6.0% | 252,000 | $145.3M |
| Legal & General Group Plc | 0.03% | Reduce -6.4% | 249,518 | $143.9M |
| Mawer Investment Management Ltd. | 0.95% | Reduce -5.5% | 241,545 | $139.3M |
| Hawk Ridge Capital Management LP | 4.50% | Add +48.7% | 238,655 | $137.6M |
| Great Lakes Advisors, LLC | 0.99% | Add +4.3% | 226,586 | $130.7M |
| Deutsche Bank AG | 0.04% | Reduce -4.0% | 225,927 | $130.3M |
| Raymond James Financial Inc. | 0.03% | Reduce -6.7% | 222,584 | $128.4M |
| Douglass Winthrop Advisors, LLC | 2.16% | Reduce -0.9% | 217,073 | $125.2M |
| 59 North Capital Management, LP | 2.75% | New | 214,146 | $123.5M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.99% | Reduce -26.0% | 213,905 | $123.4M |
| Findlay Park Partners LLP | 1.61% | Add +6.7% | 207,262 | $119.5M |
| Clearbridge Investments, LLC | 0.09% | Reduce -11.1% | 190,867 | $110.1M |
| London Co. of Virginia | 0.62% | Reduce -1.4% | 187,051 | $107.9M |
| William Blair Investment Management, LLC | 0.32% | Reduce -33.2% | 181,902 | $104.9M |
| DekaBank Deutsche Girozentrale | 0.17% | No change | 177,524 | $102.2M |
| Nuveen, LLC | 0.02% | Add +2.4% | 173,430 | $100.0M |
| Swiss National Bank | 0.05% | Reduce -4.0% | 169,950 | $98.0M |
| RDST Capital LLC | 7.81% | Add +72.0% | 163,550 | $94.3M |
| Rathbones Group PLC | 0.34% | Reduce -1.6% | 160,365 | $92.5M |
| Royal Bank of Canada | 0.02% | Reduce -0.1% | 157,881 | $91.0M |
| Nomura Asset Management International Inc. | 0.14% | Add +2.5% | 157,083 | $90.6M |
| Envestnet Asset Management Inc. | 0.02% | Reduce -11.9% | 151,797 | $87.5M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.05% | Add +8.3% | 147,387 | $85.0M |
| Camrose Capital Investment Partners LLP | 9.52% | Add +6.9% | 146,170 | $84.3M |
| McDonald Capital Investors Inc. | 5.85% | Reduce -7.3% | 138,976 | $80.1M |
| Steginsky Capital LLC | 11.99% | Add +8.0% | 138,549 | $79.9M |
| Sei Investments Co. | 0.07% | Reduce -6.1% | 136,930 | $79.0M |
| Sumitomo Mitsui Trust Group, Inc. | 0.04% | Add +1.2% | 129,390 | $74.6M |
| Vanguard Global Advisers, LLC | 0.03% | Reduce -1.7% | 129,228 | $74.5M |
| Federated Hermes, Inc. | 0.10% | Reduce -13.1% | 125,494 | $72.4M |
| Freestone Grove Partners LP | 0.47% | New | 124,262 | $71.7M |
| Junto Capital Management LP | 1.32% | New | 123,546 | $71.2M |
| HSBC Holdings PLC | 0.03% | Add +6.6% | 118,981 | $68.5M |
| Progeny 3, Inc. | 3.37% | No change | 113,150 | $65.3M |
| Silvercrest Asset Management Group LLC | 0.42% | Reduce -3.7% | 111,220 | $64.1M |
| Rhumbline Advisers | 0.05% | Add +0.1% | 110,649 | $63.8M |
| Corient Private Wealth LP | 0.09% | Add +5.7% | 110,486 | $63.7M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.04% | Add +13.3% | 109,207 | $63.0M |
| M.D. Sass, LLC | 4.11% | Add +4.3% | 107,511 | $62.0M |
| Barclays PLC | 0.02% | Reduce -30.3% | 101,852 | $58.7M |
| National Pension Service | 0.04% | Add +6.4% | 95,221 | $54.9M |
| Quantum Capital Management, LLC / NJ | 6.78% | Add +3.7% | 93,716 | $54.0M |
| BNP Paribas Financial Markets | 0.03% | Add +11.2% | 91,559 | $52.8M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.05% | Add +14.1% | 90,018 | $51.9M |
| California State Teachers Retirement System | 0.05% | Add +26.2% | 88,562 | $51.1M |
| Fenimore Asset Management Inc | 1.05% | Reduce -0.2% | 88,146 | $50.8M |
| Harvey Partners, LLC | 3.48% | Add +36.1% | 87,035 | $50.2M |
| Citigroup Inc. | 0.02% | Add +37.7% | 83,747 | $48.3M |
| Russell Investments Group, Ltd. | 0.04% | Reduce -9.7% | 83,255 | $48.0M |
| Glenmede Trust Co. NA | 0.21% | Reduce -3.0% | 82,181 | $47.4M |
| Pictet Asset Management Holding SA | 0.05% | Add +120.3% | 82,136 | $47.4M |
| California Public Employees Retirement System | 0.03% | Reduce -29.3% | 79,047 | $45.6M |
| Canada Pension Plan Investment Board | 0.02% | Add +7.6% | 77,015 | $44.4M |
| Lazard Freres Gestion S.A.S. | 0.76% | Reduce -7.0% | 75,935 | $43.8M |
| TimesSquare Capital Management, LLC | 0.62% | Add +0.0% | 73,311 | $42.3M |
| TD Asset Management Inc | 0.04% | Reduce -19.8% | 71,200 | $41.1M |
| Mitsubishi UFJ Trust & Banking Corp | 0.09% | Reduce -6.3% | 70,684 | $40.8M |
| Gilder Gagnon Howe & Co. LLC | 0.41% | Reduce -1.5% | 68,114 | $39.3M |
| AQR Capital Management | 0.01% | Add +2.4% | 67,001 | $38.6M |
| Alliancebernstein L.P. | 0.01% | Reduce -14.3% | 63,917 | $37.6M |
| Bornite Capital Management LP | 4.73% | New | 65,200 | $37.6M |
| Ameriprise Financial Inc. | 0.01% | Reduce -40.2% | 64,342 | $37.1M |
| Heritage Investors Management Corp. | 1.01% | Add +1.5% | 63,180 | $36.4M |
"% of holder's portfolio" is MLM's weight in each manager's 13F, not the share of Martin Marietta Materials the manager owns.