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 |
|---|---|---|---|---|---|
| HighTower Advisors, LLC | 59,391 | $37.4M | 0.04% | +1,108+1.9% | Added |
| KBC Group NV | 58,498 | $36.9M | 0.09% | +7,689+15.1% | Added |
| State Board of Administration of Florida Retirement System | 57,530 | $36.3M | 0.06% | −4,014−6.5% | Reduced |
| Janus Henderson Group PLC | 56,100 | $35.4M | 0.02% | −699−1.2% | Reduced |
| Gateway Investment Advisers LLC | 53,586 | $33.8M | 0.33% | +73+0.1% | Added |
| Tran Capital Management, L.P. | 53,534 | $33.7M | 4.03% | −4,775−8.2% | Reduced |
| Lazard Freres Gestion S.A.S. | 53,190 | $33.5M | 0.64% | +3,804+7.7% | Added |
| Harvey Partners, LLC | 51,100 | $32.2M | 2.93% | +3,170+6.6% | Added |
| Stifel Financial Corp | 50,280 | $31.7M | 0.03% | −617−1.2% | Reduced |
| LPL Financial LLC | 49,846 | $31.4M | 0.01% | +6,271+14.4% | Added |
| Balyasny Asset Management LLC | 48,419 | $30.5M | 0.06% | +48,419 | New |
| Canada Pension Plan Investment Board | 48,414 | $30.5M | 0.02% | +23,961+98.0% | Added |
| Kornitzer Capital Management Inc | 48,068 | $30.3M | 0.61% | −385−0.8% | Reduced |
| Aviva PLC | 47,967 | $30.2M | 0.05% | +2,492+5.5% | Added |
| Ofi Invest Asset Management | 55,757 | $29.9M | 0.63% | +1,622+3.0% | Added |
| FIL Ltd | 47,332 | $29.8M | 0.02% | −195−0.4% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 47,030 | $29.6M | 0.47% | +6,988+17.5% | Added |
| Stephens Inc | 46,176 | $29.1M | 0.37% | −2,201−4.5% | Reduced |
| STRS Ohio | 46,134 | $29.1M | 0.11% | −4,045−8.1% | Reduced |
| Douglas Lane & Associates, LLC | 42,703 | $26.9M | 0.38% | +1,145+2.8% | Added |
| The PNC Financial Services Group, Inc. | 41,432 | $26.1M | 0.02% | +109+0.3% | Added |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 41,275 | $26.0M | 1.41% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 41,228 | $26.0M | 0.05% | −130.0% | Reduced |
| Korea Investment CORP | 40,924 | $25.8M | 0.05% | +1,048+2.6% | Added |
| Credit Agricole S A | 40,531 | $25.5M | 0.08% | +40,531 | New |
| Gradient Investments LLC | 40,306 | $25.4M | 0.42% | +40,306 | New |
| Great West Life Assurance Co | 39,920 | $24.8M | 0.04% | +2,477+6.6% | Added |
| Waratah Capital Advisors Ltd. | 38,681 | $24.4M | 1.66% | −5,336−12.1% | Reduced |
| Franklin Street Advisors Inc | 38,292 | $24.1M | 1.39% | +408+1.1% | Added |
| Pictet Asset Management Holding SA | 37,344 | $23.5M | 0.02% | +1,445+4.0% | Added |
| GW&K Investment Management, LLC | 36,620 | $23.1M | 0.20% | −1,471−3.9% | Reduced |
| First Manhattan Co | 35,724 | $22.5M | 0.06% | −169−0.5% | Reduced |
| National Bank of Canada | 34,497 | $21.7M | 0.02% | −7,664−18.2% | Reduced |
| Handelsbanken Fonder AB | 34,431 | $21.7M | 0.07% | +255+0.7% | Added |
| CIBC Bancorp USA Inc. | 33,923 | $21.4M | 0.13% | +33,923 | New |
| Bank of Montreal | 33,900 | $21.4M | 0.01% | +6,259+22.6% | Added |
| Manufacturers Life Insurance Company, The | 33,518 | $21.1M | 0.02% | +2,061+6.6% | Added |
| Mariner, LLC | 33,435 | $21.1M | 0.03% | +1,827+5.8% | Added |
| Quantinno Capital Management LP | 32,340 | $20.4M | 0.06% | +9,960+44.5% | Added |
| Asset Management One Co.,Ltd. | 32,233 | $20.3M | 0.06% | +237+0.7% | Added |
| Chevy Chase Trust Holdings, Inc. | 31,975 | $20.2M | 0.06% | −1,065−3.2% | Reduced |
| State of Wisconsin Investment Board | 31,748 | $20.0M | 0.05% | −686−2.1% | Reduced |
| Rather & Kittrell, Inc. | 31,543 | $19.9M | 3.48% | +130.0% | Added |
| Lathrop Investment Management Corp | 31,247 | $19.7M | 3.63% | −1,016−3.1% | Reduced |
| Peapack Gladstone Financial Corp | 31,059 | $19.6M | 0.25% | −246−0.8% | Reduced |
| Assenagon Asset Management S.A. | 30,533 | $19.2M | 0.03% | +5,797+23.4% | Added |
| Concentric Capital Strategies, LP | 30,147 | $19.0M | 0.91% | +28,941+2,399.8% | Added |
| Pelham Capital Ltd. | 30,052 | $18.9M | 9.86% | +10,917+57.1% | Added |
| NorthCrest Asset Manangement, LLC | 29,418 | $18.5M | 0.44% | +347+1.2% | Added |
| Captrust Financial Advisors | 29,042 | $18.3M | 0.04% | −1,772−5.8% | Reduced |
| Arrowstreet Capital, Limited Partnership | 28,749 | $18.1M | 0.01% | −14,621−33.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 27,987 | $17.6M | 0.03% | +27,987 | New |
| Oppenheimer & Co Inc | 27,881 | $17.6M | 0.21% | +411+1.5% | Added |
| Assetmark, Inc | 27,841 | $17.5M | 0.04% | +1,948+7.5% | Added |
| Tocqueville Asset Management L.P. | 27,613 | $17.4M | 0.25% | −23−0.1% | Reduced |
| Exencial Wealth Advisors, LLC | 27,397 | $17.3M | 0.56% | −190−0.7% | Reduced |
| Sapient Capital LLC | 27,734 | $17.2M | 0.27% | −289−1.0% | Reduced |
| Brandywine Global Investment Management, LLC | 27,070 | $17.1M | 0.12% | −4,614−14.6% | Reduced |
| Treasurer of the State of North Carolina | 26,964 | $17.0M | 0.05% | −1,045−3.7% | Reduced |
| Bluegrass Capital Partners LP | 26,000 | $16.4M | 10.72% | +2,000+8.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 25,960 | $16.4M | 0.03% | +401+1.6% | Added |
| Cerity Partners LLC | 25,476 | $16.1M | 0.03% | +1,692+7.1% | Added |
| Standard Life Aberdeen plc | 25,779 | $16.0M | 0.03% | −3,673−12.5% | Reduced |
| New York State Common Retirement Fund | 24,973 | $15.7M | 0.02% | −1,000−3.9% | Reduced |
| Toronto Dominion Bank | 24,370 | $15.3M | 0.03% | −2,422−9.0% | Reduced |
| Danske Bank A/S | 23,978 | $15.1M | 0.04% | +100+0.4% | Added |
| Mn Services Vermogensbeheer B.V. | 23,600 | $14.9M | 0.10% | +800+3.5% | Added |
| Ensign Peak Advisors, Inc | 23,121 | $14.6M | 0.02% | −1,670−6.7% | Reduced |
| Teachers Retirement System of the State of Kentucky | 23,033 | $14.5M | 0.11% | −3,361−12.7% | Reduced |
| Creative Planning | 22,887 | $14.4M | 0.01% | +2,121+10.2% | Added |
| Covea Finance | 22,874 | $14.4M | 0.50% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 22,005 | $13.9M | 0.05% | +1,631+8.0% | Added |
| Pathstone Holdings, LLC | 21,771 | $13.7M | 0.05% | −20.0% | Reduced |
| KLP Kapitalforvaltning AS | 21,593 | $13.6M | 0.05% | 00.0% | Unchanged |
| Pinnbrook Capital Management LP | 21,081 | $13.3M | 2.46% | +10,061+91.3% | Added |
| Williams Jones Wealth Management, LLC. | 21,039 | $13.3M | 0.15% | +463+2.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 20,998 | $13.2M | 0.03% | +2,379+12.8% | Added |
| Advisors Asset Management, Inc. | 20,947 | $13.2M | 0.22% | +50.0% | Added |
| State of New Jersey Common Pension Fund D | 20,734 | $13.1M | 0.05% | +275+1.3% | Added |
| Ycg, LLC | 20,371 | $12.8M | 0.96% | +961+5.0% | Added |
| Nomura Asset Management Co Ltd | 20,240 | $12.8M | 0.03% | +60.0% | Added |
| GHP Investment Advisors, Inc. | 20,222 | $12.7M | 0.54% | +806+4.2% | Added |
| CIBC World Markets Inc. | 20,141 | $12.7M | 0.03% | −208−1.0% | Reduced |
| Thrivent Financial for Lutherans | 19,725 | $12.4M | 0.02% | +248+1.3% | Added |
| Voya Investment Management LLC | 19,705 | $12.4M | 0.01% | +3,019+18.1% | Added |
| Whittier Trust Co | 19,383 | $12.3M | 0.14% | +705+3.8% | Added |
| Resona Asset Management Co.,Ltd. | 19,530 | $12.3M | 0.06% | −1,247−6.0% | Reduced |
| Neuberger Berman Group LLC | 19,139 | $12.1M | 0.01% | −1,889−9.0% | Reduced |
| Public Employees Retirement System of Ohio | 18,735 | $11.8M | 0.04% | +117+0.6% | Added |
| Truist Financial Corp | 18,711 | $11.8M | 0.02% | −981−5.0% | Reduced |
| Chilton Investment Co LLC | 18,652 | $11.8M | 0.24% | +18,154+3,645.4% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 18,614 | $11.7M | 0.06% | +215+1.2% | Added |
| Verition Fund Management LLC | 18,606 | $11.7M | 0.07% | +4,087+28.1% | Added |
| Storebrand Asset Management AS | 18,411 | $11.6M | 0.03% | +639+3.6% | Added |
| Arizona State Retirement System | 17,869 | $11.3M | 0.06% | +47+0.3% | Added |
| GDS Wealth Management | 17,756 | $11.2M | 0.74% | +2,135+13.7% | Added |
| Westwood Holdings Group Inc. | 17,585 | $11.1M | 0.08% | −22,146−55.7% | Reduced |
| Cercano Management LLC | 17,164 | $10.8M | 0.42% | −30,851−64.3% | Reduced |
| Royal London Asset Management Ltd | 16,611 | $10.5M | 0.02% | 00.0% | Unchanged |
| State of Michigan Retirement System | 16,337 | $10.3M | 0.05% | −100−0.6% | Reduced |