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, Q1 2026
Institutional positions in Martin Marietta Materials Inc as of Mar 31, 2026. 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
- 1,077
- −27 vs. Q4 2025
- Shares held
- 58.4M
- +7.30M (+14.3%) vs. Q4 2025
- Total value
- $34.3B
- +$2.51B (+7.9%) vs. Q4 2025
- New holders
- 103
- 370 more added
- Sold out
- 130
- 377 more reduced
13 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| RSM US Wealth Management LLC | 3,917 | $2.31M | 0.03% | +104+2.7% | Added |
| Lipe & Dalton | 3,963 | $2.33M | 1.22% | 00.0% | Unchanged |
| Envestnet Portfolio Solutions, Inc. | 3,977 | $2.34M | 0.01% | −264−6.2% | Reduced |
| Third View Private Wealth, LLC | 3,977 | $2.34M | 0.32% | +90+2.3% | Added |
| GKV Capital Management Co., Inc. | 3,997 | $2.35M | 0.88% | −165−4.0% | Reduced |
| Fremen Capital Management LP | 4,113 | $2.42M | 2.24% | +4,113 | New |
| Cultivar Capital, Inc. | 4,147 | $2.44M | 1.56% | 00.0% | Unchanged |
| Sage Investment Advisers LLC | 4,085 | $2.45M | 1.81% | 00.0% | Unchanged |
| MML Investors Services, LLC | 4,184 | $2.46M | 0.01% | +21+0.5% | Added |
| Skopos Labs, Inc. | 4,203 | $2.47M | 0.08% | +849+25.3% | Added |
| Crossmark Global Holdings, Inc. | 4,217 | $2.48M | 0.04% | +861+25.7% | Added |
| ASR Vermogensbeheer N.V. | 4,290 | $2.53M | 0.03% | +979+29.6% | Added |
| Clearstead Advisors, LLC | 4,318 | $2.54M | 0.02% | +232+5.7% | Added |
| CWM, LLC | 4,428 | $2.61M | 0.01% | −1,257−22.1% | Reduced |
| Azzad Asset Management Inc | 4,462 | $2.63M | 0.27% | −20.0% | Reduced |
| Harbor Advisors LLC | 4,500 | $2.65M | 0.38% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 4,589 | $2.70M | 0.01% | +120+2.7% | Added |
| Gulf International Bank (UK) Ltd | 4,657 | $2.74M | 0.06% | +1,646+54.7% | Added |
| Westbourne Investments, Inc. | 4,675 | $2.75M | 1.31% | 00.0% | Unchanged |
| Jackson Hole Capital Partners, LLC | 4,687 | $2.76M | 0.46% | −4−0.1% | Reduced |
| Atlantic Union Bankshares Corp | 4,692 | $2.76M | 0.05% | +203+4.5% | Added |
| Beacon Pointe Advisors, LLC | 4,707 | $2.77M | 0.01% | +3,417+264.9% | Added |
| Brinker Capital Investments, LLC | 4,731 | $2.78M | 0.02% | −1,157−19.7% | Reduced |
| Evelyn Partners Investment Management LLP | 4,744 | $2.79M | 0.08% | −489−9.3% | Reduced |
| Mount Yale Investment Advisors, LLC | 4,870 | $2.87M | 0.07% | +3,344+219.1% | Added |
| ExodusPoint Capital Management, LP | 4,871 | $2.87M | 0.03% | +4,871 | New |
| Gardner Lewis Asset Management L P | 4,884 | $2.88M | 0.62% | +69+1.4% | Added |
| Numerai GP LLC | 4,908 | $2.89M | 0.29% | +1,180+31.7% | Added |
| Huntleigh Advisors, Inc. | 4,956 | $2.92M | 0.50% | +214+4.5% | Added |
| Polymer Capital Management (US) LLC | 4,958 | $2.92M | 0.43% | +3,358+209.9% | Added |
| Gabelli Funds LLC | 5,000 | $2.94M | 0.02% | 00.0% | Unchanged |
| Bislett Management, LLC | 5,000 | $2.94M | 2.27% | 00.0% | Unchanged |
| Candriam Luxembourg S.C.A. | 5,035 | $2.96M | 0.02% | 00.0% | Unchanged |
| Regents Gate Capital LLP | 5,054 | $2.98M | 0.63% | +5,054 | New |
| Omers Administration Corp | 5,117 | $3.01M | 0.02% | +2,908+131.6% | Added |
| SMA Capital LLC | 5,126 | $3.02M | 1.30% | −7,874−60.6% | Reduced |
| Macquarie Group Ltd | 5,249 | $3.09M | 0.02% | −417−7.4% | Reduced |
| True North Advisors, LLC | 5,331 | $3.14M | 0.36% | −29−0.5% | Reduced |
| Adams Natural Resources Fund, Inc. | 5,400 | $3.18M | 0.37% | 00.0% | Unchanged |
| Investment Management Corp of Ontario | 5,407 | $3.18M | 0.04% | +200+3.8% | Added |
| Myriad Asset Management Advisors LLC | 5,440 | $3.20M | 0.94% | +36+0.7% | Added |
| Aviso Financial Inc. | 5,457 | $3.21M | 0.11% | +428+8.5% | Added |
| NewEdge Wealth, LLC | 5,490 | $3.23M | 0.04% | −480−8.0% | Reduced |
| Jefferies Financial Group Inc. | 5,548 | $3.27M | 0.04% | +1,784+47.4% | Added |
| Diversified Trust Co | 5,743 | $3.38M | 0.06% | +13+0.2% | Added |
| SummitTX Capital, L.P. | 5,800 | $3.41M | 0.11% | −19,148−76.8% | Reduced |
| Skylands Capital, LLC | 5,810 | $3.42M | 0.45% | −135−2.3% | Reduced |
| Concorde Financial Corp | 5,869 | $3.45M | 2.71% | +22+0.4% | Added |
| B & T Capital Management DBA Alpha Capital Management | 5,874 | $3.46M | 0.50% | +6+0.1% | Added |
| Banque Pictet & Cie SA | 5,898 | $3.47M | 0.04% | +5,898 | New |
| Public Employees Retirement Association of Colorado | 5,902 | $3.47M | 0.01% | 00.0% | Unchanged |
| UniSuper Management Pty Ltd | 5,917 | $3.48M | 0.02% | +15+0.3% | Added |
| Nordea Investment Management AB | 6,074 | $3.49M | 0.00% | +12+0.2% | Added |
| KBC Group NV | 5,947 | $3.50M | 0.01% | −1,597−21.2% | Reduced |
| Summit Place Financial Advisors, LLC | 5,972 | $3.52M | 1.69% | −233−3.8% | Reduced |
| State of Alaska, Department of Revenue | 5,985 | $3.52M | 0.04% | 00.0% | Unchanged |
| Sanctuary Advisors, LLC | 5,992 | $3.53M | 0.02% | −271−4.3% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 6,000 | $3.53M | 0.03% | 00.0% | Unchanged |
| Miller Capital Partners, Inc. | 6,102 | $3.59M | 1.74% | +36+0.6% | Added |
| OP Asset Management Ltd | 6,116 | $3.60M | 0.04% | −744−10.8% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 27,856 | $3.60M | 0.01% | +19,800+245.8% | Added |
| Baird Financial Group, Inc. | 6,130 | $3.61M | 0.01% | +716+13.2% | Added |
| Transamerica Financial Advisors, Inc. | 6,210 | $3.66M | 0.31% | −340−5.2% | Reduced |
| Mill Capital Management, LLC | 6,225 | $3.66M | 0.28% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 6,254 | $3.68M | 0.04% | −230−3.5% | Reduced |
| Apella Capital, LLC | 5,997 | $3.73M | 0.06% | +142+2.4% | Added |
| Wealthfront Advisers LLC | 6,375 | $3.75M | 0.01% | +42+0.7% | Added |
| SG Americas Securities, LLC | 6,383 | $3.76M | 0.00% | −2,933−31.5% | Reduced |
| IFP Advisors, Inc | 6,487 | $3.82M | 0.08% | +4,703+263.6% | Added |
| Schroder Investment Management Group | 6,514 | $3.83M | 0.00% | +173+2.7% | Added |
| Federation des caisses Desjardins du Quebec | 6,659 | $3.92M | 0.01% | +2,946+79.3% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 6,750 | $3.97M | 0.02% | +4,960+277.1% | Added |
| Red Spruce Capital, LLC | 6,791 | $4.00M | 1.64% | +52+0.8% | Added |
| Alerus Financial NA | 6,833 | $4.02M | 0.20% | −1,384−16.8% | Reduced |
| ARS Investment Partners, LLC | 6,908 | $4.07M | 0.21% | −153−2.2% | Reduced |
| Oregon Public Employees Retirement Fund | 6,911 | $4.07M | 0.05% | +14+0.2% | Added |
| Avanza Fonder AB | 6,926 | $4.08M | 0.11% | −30.0% | Reduced |
| Abn Amro Investment Solutions | 6,934 | $4.08M | 0.05% | −8,455−54.9% | Reduced |
| Mackenzie Financial Corp | 6,948 | $4.09M | 0.00% | +579+9.1% | Added |
| Perigon Wealth Management, LLC | 7,069 | $4.16M | 0.08% | +2,108+42.5% | Added |
| Man Group plc | 7,082 | $4.17M | 0.01% | −4,342−38.0% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 7,213 | $4.23M | 0.03% | +169+2.4% | Added |
| Mercer Global Advisors Inc | 7,248 | $4.27M | 0.01% | −241−3.2% | Reduced |
| Mitchell Capital Management Co | 7,341 | $4.32M | 0.79% | +174+2.4% | Added |
| Salem Investment Counselors Inc | 7,433 | $4.38M | 0.13% | −5−0.1% | Reduced |
| Southeast Asset Advisors Inc. | 7,487 | $4.41M | 0.48% | +31+0.4% | Added |
| SailingStone Capital Partners LLC | 7,620 | $4.49M | 1.02% | 00.0% | Unchanged |
| Bridger Management, LLC | 7,638 | $4.50M | 3.51% | +7,638 | New |
| Amica Mutual Insurance Co | 7,741 | $4.56M | 0.39% | +1,904+32.6% | Added |
| Nissay Asset Management Corp | 7,764 | $4.57M | 0.02% | +107+1.4% | Added |
| HB Wealth Management, LLC | 7,845 | $4.62M | 0.03% | −32−0.4% | Reduced |
| Bluegrass Capital Partners LP | 8,000 | $4.71M | 3.39% | +1,000+14.3% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 8,033 | $4.73M | 0.04% | +112+1.4% | Added |
| NEOS Investment Management LLC | 8,146 | $4.80M | 0.02% | +4,494+123.1% | Added |
| Vident Advisory, LLC | 8,171 | $4.81M | 0.04% | +640+8.5% | Added |
| Atria Investments LLC | 8,231 | $4.85M | 0.05% | +915+12.5% | Added |
| Susquehanna International Group, LLP | 8,248 | $4.86M | 0.01% | −30,306−78.6% | Reduced |
| Allstate Corp | 8,282 | $4.88M | 0.05% | +3,668+79.5% | Added |
| Pinebridge Investments LLC | 8,310 | $4.89M | 0.04% | −229−2.7% | Reduced |
| Bessemer Group Inc | 8,309 | $4.89M | 0.01% | +327+4.1% | Added |