Martin Marietta MaterialsMLM
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 1,076 institutions reported holding Martin Marietta Materials (MLM) in their 13F filings, down 41 from Q4 2025. 86 opened new positions and 130 sold out. The largest holders were BlackRock, Inc. ($2.8B), Vanguard Capital Management LLC ($2.3B) and Vanguard Portfolio Management LLC ($1.9B). 9 famous investors held it, including Tom Russo (5.0% of Gardner Russo & Quinn's portfolio), Daniel Sundheim (1.7% of D1 Capital Partners's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Martin Marietta Materials
- Sector
- Industrials
- CUSIP
- 573284106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 86 | $357.2M |
| Exits | 130 | $275.8M |
All 13F filers, Q4 2025 → Q1 2026: 3,691,968 shares bought and 4,543,640 shares sold, net −851,672 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,076 holders
| BlackRock, Inc. | 0.05% | Add +4.5% | 4,685,757 | $2.8B |
| Vanguard Capital Management LLC | 0.06% | — | 3,917,383 | $2.3B |
| Vanguard Portfolio Management LLC | 0.10% | — | 3,160,444 | $1.9B |
| State Street Corp. | 0.06% | Add +3.8% | 2,877,568 | $1.7B |
| FMR LLC | 0.08% | Reduce -10.7% | 2,607,979 | $1.5B |
| Bank of America Corp. | 0.10% | Add +0.9% | 2,399,779 | $1.4B |
| Principal Financial Group Inc. | 0.66% | Reduce -3.5% | 2,093,942 | $1.2B |
| Aristotle Capital Management, LLC | 2.41% | Reduce -4.6% | 1,955,100 | $1.2B |
| JPMorgan Chase & Co. | 0.07% | Reduce -16.6% | 1,860,226 | $1.1B |
| Victory Capital Management Inc. | 0.62% | Reduce -33.1% | 1,637,147 | $963.8M |
| Geode Capital Management, LLC | 0.06% | Add +2.3% | 1,588,934 | $931.8M |
| T. Rowe Price Associates Inc. | 0.10% | Add +391.3% | 1,488,840 | $876.5M |
| Morgan Stanley | 0.05% | Reduce -1.9% | 1,341,601 | $789.8M |
| Baillie Gifford & Co. | 0.65% | Reduce -6.2% | 1,087,380 | $640.1M |
| Select Equity Group, L.P. | 3.24% | Reduce -3.2% | 1,033,420 | $608.4M |
| T. Rowe Price Investment Management, Inc. | 0.39% | Add +3.8% | 952,401 | $560.7M |
| Goldman Sachs Group Inc. | 0.07% | Add +12.2% | 885,855 | $521.5M |
| Alkeon Capital Management LLC | 1.99% | No change | 747,351 | $440.0M |
| Gardner Russo & Quinn | 4.96% | Reduce -1.5% | 715,411 | $421.1M |
| Invesco Ltd. | 0.04% | Reduce -10.3% | 690,913 | $406.7M |
| King Luther Capital Management Corp. | 1.71% | Reduce -3.4% | 666,722 | $392.5M |
| Northern Trust Corp. | 0.05% | Reduce -2.2% | 586,501 | $345.3M |
| Dimensional Fund Advisors LP | 0.07% | Add +1.1% | 546,170 | $321.4M |
| Franklin Resources Inc. | 0.08% | Add +6.0% | 528,199 | $310.9M |
| CIBC Bancorp USA Inc. | 0.38% | — | 474,543 | $279.4M |
| Charles Schwab Investment Management Inc. | 0.04% | Add +2.6% | 460,519 | $271.1M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.36% | Add +6.2% | 448,048 | $263.7M |
| Bank of New York Mellon Corp | 0.04% | Add +0.0% | 370,958 | $218.4M |
| UBS Group AG | 0.04% | Add +51.1% | 354,168 | $208.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.04% | Add +14.3% | 339,818 | $200.0M |
| Vanguard Fiduciary Trust Co. | 0.05% | — | 339,289 | $199.7M |
| DAVENPORT & Co LLC | 1.11% | Reduce -1.8% | 342,163 | $199.6M |
| D1 Capital Partners | 1.69% | New | 322,857 | $190.1M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 1.06% | Reduce -35.2% | 289,150 | $170.2M |
| William Blair Investment Management, LLC | 0.53% | Add +0.8% | 272,392 | $160.4M |
| Skye Global Management LP | 3.40% | Reduce -2.2% | 268,000 | $157.8M |
| Wells Fargo & Company | 0.03% | Add +10.4% | 266,610 | $156.9M |
| Legal & General Group Plc | 0.04% | Reduce -1.8% | 266,538 | $156.9M |
| Amundi | 0.04% | Add +28.1% | 264,117 | $155.5M |
| Mawer Investment Management Ltd. | 0.97% | Reduce -3.5% | 255,678 | $150.5M |
| Congress Asset Management Co. | 1.00% | Reduce -0.7% | 237,971 | $140.1M |
| Raymond James Financial Inc. | 0.04% | Reduce -26.8% | 238,651 | $139.0M |
| Deutsche Bank AG | 0.05% | Reduce -13.1% | 235,410 | $138.6M |
| Douglass Winthrop Advisors, LLC | 2.36% | Reduce -2.0% | 219,073 | $129.0M |
| Great Lakes Advisors, LLC | 1.06% | Add +18.6% | 217,206 | $127.9M |
| Clearbridge Investments, LLC | 0.11% | Reduce -12.1% | 214,672 | $126.4M |
| Findlay Park Partners LLP | 1.59% | Add +7.5% | 194,302 | $114.4M |
| London Co. of Virginia | 0.69% | Add +11.2% | 189,623 | $111.6M |
| DekaBank Deutsche Girozentrale | 0.17% | No change | 177,524 | $104.3M |
| Swiss National Bank | 0.06% | Add +7.1% | 177,030 | $104.2M |
| Envestnet Asset Management Inc. | 0.03% | Add +8.0% | 172,360 | $101.5M |
| Nuveen, LLC | 0.03% | Add +14.8% | 169,295 | $99.7M |
| Rathbones Group PLC | 0.38% | Reduce -17.8% | 162,991 | $95.9M |
| Hawk Ridge Capital Management LP | 3.44% | Reduce -17.4% | 160,535 | $94.5M |
| Royal Bank of Canada | 0.02% | Reduce -0.8% | 158,040 | $93.0M |
| Nomura Asset Management International Inc. | 0.15% | Reduce -11.9% | 153,177 | $90.2M |
| McDonald Capital Investors Inc. | 6.04% | Reduce -1.1% | 149,912 | $88.3M |
| Barclays PLC | 0.03% | Add +14.9% | 146,113 | $86.0M |
| Sei Investments Co. | 0.08% | Reduce -3.5% | 145,772 | $85.8M |
| Federated Hermes, Inc. | 0.14% | Add +21.5% | 144,362 | $85.0M |
| Camrose Capital Investment Partners LLP | 10.53% | Add +20.3% | 136,719 | $80.5M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.05% | Add +7.5% | 136,049 | $80.1M |
| Vanguard Global Advisers, LLC | 0.04% | — | 131,440 | $77.4M |
| Steginsky Capital LLC | 12.49% | Add +7.3% | 128,350 | $75.6M |
| Sumitomo Mitsui Trust Group, Inc. | 0.05% | Reduce -5.1% | 127,880 | $75.3M |
| Silvercrest Asset Management Group LLC | 0.49% | Reduce -6.3% | 115,525 | $68.0M |
| Progeny 3, Inc. | 3.56% | No change | 113,150 | $66.6M |
| California Public Employees Retirement System | 0.04% | Add +2.6% | 111,756 | $65.8M |
| HSBC Holdings PLC | 0.04% | Add +6.4% | 111,620 | $65.7M |
| Rhumbline Advisers | 0.06% | Reduce -0.9% | 110,538 | $65.1M |
| Ameriprise Financial Inc. | 0.01% | Reduce -11.1% | 107,571 | $63.3M |
| Corient Private Wealth LP | 0.09% | Add +122.0% | 104,539 | $61.5M |
| M.D. Sass, LLC | 4.60% | Add +13.1% | 103,109 | $60.7M |
| Natixis Advisors, LLC | 0.08% | Reduce -1.6% | 101,479 | $59.7M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.05% | — | 96,363 | $56.7M |
| RDST Capital LLC | 5.39% | Reduce -6.3% | 95,095 | $56.0M |
| Two Sigma Investments, LP | 0.05% | Add +574.7% | 94,213 | $55.5M |
| Interval Partners, LP | 1.91% | Reduce -54.5% | 94,172 | $55.4M |
| Russell Investments Group, Ltd. | 0.06% | Add +3.0% | 92,175 | $54.2M |
| Arrowstreet Capital, Limited Partnership | 0.03% | Reduce -33.7% | 91,519 | $53.9M |
| One Madison Group LLC | 6.19% | Add +40.0% | 91,000 | $53.6M |
| Quantum Capital Management, LLC / NJ | 6.81% | New | 90,394 | $53.2M |
| National Pension Service | 0.04% | Add +1.0% | 89,482 | $52.7M |
| TD Asset Management Inc | 0.04% | Reduce -4.0% | 88,796 | $52.3M |
| Fenimore Asset Management Inc | 1.16% | Reduce -1.8% | 88,327 | $52.0M |
| Glenmede Trust Co. NA | 0.24% | Reduce -4.8% | 84,752 | $49.9M |
| BNP Paribas Financial Markets | 0.03% | Reduce -30.1% | 82,360 | $48.5M |
| Jones Financial Companies LLLP | 0.02% | Add +2855.8% | 84,623 | $48.3M |
| Lazard Freres Gestion S.A.S. | 0.95% | Add +0.8% | 81,690 | $48.1M |
| Cannell & Spears LLC | 0.95% | Add +54.2% | 81,257 | $47.8M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.05% | Add +233.4% | 78,894 | $46.4M |
| Alliancebernstein L.P. | 0.01% | Add +4.4% | 74,585 | $46.4M |
| Mitsubishi UFJ Trust & Banking Corp | 0.11% | Reduce -14.0% | 75,476 | $44.4M |
| TimesSquare Capital Management, LLC | 0.73% | Reduce -19.5% | 73,299 | $43.1M |
| Canada Pension Plan Investment Board | 0.03% | Add +97.2% | 71,583 | $42.1M |
| Woodline Partners LP | 0.16% | Add +6331.4% | 70,938 | $41.8M |
| California State Teachers Retirement System | 0.04% | Reduce -2.4% | 70,152 | $41.3M |
| Gilder Gagnon Howe & Co. LLC | 0.49% | Reduce -11.9% | 69,173 | $40.7M |
| AQR Capital Management | 0.02% | Reduce -34.4% | 65,460 | $37.6M |
| Harvey Partners, LLC | 3.06% | Add +25.0% | 63,925 | $37.6M |
"% of holder's portfolio" is MLM's weight in each manager's 13F, not the share of Martin Marietta Materials the manager owns.