MLMNYSEMining & Quarrying of Nonmetallic Minerals (No Fuels)Fiscal year ends December 31
MARTIN MARIETTA MATERIALS INC
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Jul 30, 2026
$501.65+0.81 (+0.16%)
Close on Oct 19, 2026
- Market cap
- $30.20B
- P/E (TTM)
- 12.3
- Dividend yield
- 0.65%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
98.7%
59M of 60M shares
Institutional holders
1,071
110 new, 98 sold out
Net institutional buying
1M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Vanguard Capital Management | 4,505,369 | 7.47% | 13G (passive) | Mar 31, 2026 |
| BlackRock, Inc. | 4,113,718 | 6.70% | 13G (passive) amendment | Dec 31, 2023 |
| Vanguard Portfolio Management | 3,167,718 | 5.25% | 13G (passive) | Mar 31, 2026 |
| State Street Corporation | 3,162,829 | 5.20% | 13G (passive) | Jun 30, 2026 |
| Gpi SA | 10,953,543 | 15.40% | 13D (active) | Aug 21, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of MLM | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,692,446 | 7.81% | $2.71B | +6,689 | 0.04% |
| Vanguard Capital Management LLC | 3,929,705 | 6.54% | $2.27B | +12,322 | 0.05% |
| Vanguard Portfolio Management LLC | 3,197,395 | 5.32% | $1.84B | +36,951 | 0.08% |
| State Street Corp | 3,159,639 | 5.26% | $1.82B | +282,071 | 0.05% |
| Bank Of America Corp /De/ | 2,446,762 | 4.07% | $1.41B | +46,983 | 0.09% |
| FMR LLC | 2,192,603 | 3.65% | $1.26B | −415,376 | 0.05% |
| Principal Financial Group Inc | 2,116,369 | 3.52% | $1.22B | +22,427 | 0.60% |
| Aristotle Capital Management, LLC | 1,831,597 | 3.05% | $1.06B | −123,503 | 2.22% |
| Victory Capital Management Inc | 1,783,432 | 2.97% | $1.03B | +146,285 | 0.58% |
| Geode Capital Management, LLC | 1,601,490 | 2.67% | $919.89M | +12,556 | 0.05% |
| Price T Rowe Associates Inc /Md/ | 1,599,324 | 2.66% | $922.33K | +110,484 | 0.09% |
| JPMorgan Chase & Co | 1,466,887 | 2.44% | $852.60M | −393,339 | 0.05% |
| Tci Fund Management Ltd | 1,315,109 | 2.19% | $758.42M | New | 1.44% |
| Goldman Sachs Group Inc | 1,163,330 | 1.94% | $670.89M | +277,475 | 0.06% |
| Morgan Stanley | 1,012,016 | 1.68% | $583.63M | −329,585 | 0.03% |
| Select Equity Group, L.P. | 1,011,255 | 1.68% | $583.19M | −22,165 | 2.88% |
| Baillie Gifford & Co | 991,786 | 1.65% | $571.96M | −95,594 | 0.52% |
| Gardner Russo & Quinn LLC | 705,367 | 1.17% | $406.78M | −10,044 | 4.56% |
| King Luther Capital Management Corp | 653,184 | 1.09% | $376.69M | −13,538 | 1.54% |
| Invesco Ltd. | 649,575 | 1.08% | $374.61M | −41,338 | 0.03% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 1,071 | 59M | 98.7% | 110 / 361 | 394 / 98 | 5M | 4M |
| Q1 2026 | 1,075 | 59M | 97.5% | 103 / 368 | 379 / 134 | 12M | 6M |
| Q4 2025 | 1,117 | 61M | 100.0% | 154 / 364 | 350 / 71 | 5M | 6M |
| Q3 2025 | 1,053 | 61M | 100.0% | 133 / 368 | 342 / 65 | 5M | 3M |
| Q2 2025 | 998 | 60M | 99.7% | 131 / 379 | 321 / 75 | 5M | 4M |
| Q1 2025 | 952 | 60M | 99.3% | 110 / 352 | 325 / 136 | 5M | 4M |
| Q4 2024 | 991 | 59M | 98.5% | 153 / 352 | 330 / 89 | 4M | 7M |
| Q3 2024 | 945 | 63M | 100.0% | 91 / 367 | 318 / 78 | 9M | 4M |
| Q2 2024 | 939 | 62M | 100.0% | 88 / 333 | 334 / 98 | 3M | 5M |
| Q1 2024 | 956 | 63M | 100.0% | 136 / 307 | 351 / 59 | 5M | 4M |
| Q4 2023 | 887 | 62M | 100.0% | 141 / 322 | 296 / 58 | 5M | 2M |
| Q3 2023 | 814 | 59M | 97.8% | 95 / 276 | 290 / 71 | 4M | 5M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of MLM | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 1,912,812 | 3.18% | $1.10B | 0.05% | Jun 30, 2026 |
| MidCap Fund | 1,568,414 | 2.61% | $823.64M | 3.57% | Jul 31, 2026 |
| Vanguard 500 Index Fund | 1,556,267 | 2.59% | $897.50M | 0.05% | Jun 30, 2026 |
| Vanguard Mid-Cap Index Fund | 1,305,662 | 2.17% | $752.98M | 0.34% | Jun 30, 2026 |
| iShares Core S&P 500 ETF | 826,082 | 1.38% | $476.40M | 0.05% | Jun 30, 2026 |
| Fidelity Magellan Fund | 787,904 | 1.31% | $454.38M | 1.20% | Jun 30, 2026 |
| Fidelity 500 Index Fund | 771,751 | 1.28% | $448.88M | 0.05% | May 31, 2026 |
| Victory Pioneer Fund | 716,153 | 1.19% | $413.01M | 3.69% | Jun 30, 2026 |
| State Street(R) Materials Select Sector SPDR(R) ETF | 643,858 | 1.07% | $371.31M | 4.55% | Jun 30, 2026 |
| Vanguard Windsor Ii Fund | 621,279 | 1.03% | $326.26M | 0.49% | Jul 31, 2026 |
| Vanguard Mid-Cap Growth Index Fund | 461,634 | 0.77% | $266.22M | 0.76% | Jun 30, 2026 |
| Global X U.S. Infrastructure Development ETF | 442,364 | 0.74% | $257.30M | 1.90% | May 31, 2026 |
| Vanguard Growth Index Fund | 426,028 | 0.71% | $245.69M | 0.06% | Jun 30, 2026 |
| T. Rowe Price Mid-Cap Growth Fund, Inc. | 374,995 | 0.62% | $216.26M | 0.94% | Jun 30, 2026 |
| Vanguard Dividend Appreciation Index Fund | 339,743 | 0.57% | $178.41M | 0.14% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| C. Howard Nye | Chairman, Pres & CEO, Director | 246,438 | 0.41% | Mar 3, 2026 |
| Michael J. Petro | SVP and CFO | 24,322 | 0.04% | Sep 2, 2026 |
| Christopher William Samborski | EVP, COO | 13,661 | 0.02% | May 5, 2026 |
| George Frederick Schoen | EVP, GC and Corp. Secretary | 23,673 | 0.04% | Mar 3, 2026 |
| Donald A. McCunniff | EVP and CHRO | 7,518 | 0.01% | Mar 3, 2026 |
| Robert J. Cardin | SVP, Controller & CAO | 12,459 | 0.02% | Feb 25, 2026 |
| Jason Paul Flynn | SVP and CIO | 5,494 | 0.01% | Feb 25, 2026 |
| Roselyn R. Bar | Executive Vice President | 62,594 | 0.10% | Dec 17, 2025 |
| James AJ Nickolas | EVP and CFO | 26,643 | 0.04% | Feb 25, 2025 |
| Bradley D. Kohn | SVP, General Counsel and Secy | 2,644 | 0.00% | Feb 25, 2025 |
| Oliver W. Brooks | SVP - Enterprise Excellence | 5,178 | 0.01% | Feb 25, 2025 |
| Martin J. Lyons | Director | 442 | 0.00% | Sep 2, 2026 |
| David C. Wajsgras | Director | 5,106 | 0.01% | Sep 2, 2026 |
| Thomas Pike | Director | 5,029 | 0.01% | Sep 2, 2026 |
| Philipp Niemann | Director | 337 | 0.00% | Aug 25, 2026 |
| Donald W. Slager | Director | 5,064 | 0.01% | May 18, 2026 |
| Laree E. Perez | Director | 15,730 | 0.03% | May 18, 2026 |
| Anthony R. Foxx | Director | 2,615 | 0.00% | May 18, 2026 |
| Dorothy M. Ables | Director | 4,221 | 0.01% | May 18, 2026 |
| Gayla J. Delly | Director | 0 | – | May 18, 2026 |
| Mary T. Mack | Director | 914 | 0.00% | May 18, 2026 |
| John J. Koraleski | Director | 15,722 | 0.03% | Mar 2, 2026 |
| Sue W. Cole | Director | 24,644 | 0.04% | May 16, 2025 |
| de Gestions Internationales SCA Financiere | 10% owner | – | – | Aug 24, 2026 |
| en Dolomiet Maatschappij SA Kalk | 10% owner | – | – | Aug 24, 2026 |
| Sa Gpi | 10% owner | – | – | Aug 24, 2026 |
| Holding SRL LNA | 10% owner | 10,953,543 | 18.24% | Aug 24, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Michael J. Petro SVP and CFO | Sep 1, 2026 | Award | +9,331 | – | – | 24,322 |
| David C. Wajsgras Director | Aug 31, 2026 | Award | +78 | $518.70 | $40.46K | 5,106 |
| Martin J. Lyons Director | Aug 31, 2026 | Award | +68 | $518.70 | $35.27K | 442 |
| Thomas Pike Director | Aug 31, 2026 | Award | +66 | $518.70 | $34.23K | 5,029 |
| Philipp Niemann Director | Aug 21, 2026 | Award | +337 | – | – | 337 |
| Michael J. Petro SVP and CFO | Aug 3, 2026 | Tax withholding | −368 | $542.27 | $199.56K | 14,991 |
| Thomas Pike Director | May 29, 2026 | Award | +59 | $581.64 | $34.32K | 4,963 |
| David C. Wajsgras Director | May 29, 2026 | Award | +69 | $581.64 | $40.13K | 5,028 |
| Martin J. Lyons Director | May 29, 2026 | Award | +61 | $581.64 | $35.48K | 374 |
| Dorothy M. Ables Director | May 14, 2026 | Award | +313 | – | – | 4,221 |
| Anthony R. Foxx Director | May 14, 2026 | Award | +313 | – | – | 2,615 |
| Laree E. Perez Director | May 14, 2026 | Award | +313 | – | – | 15,730 |
| Thomas Pike Director | May 14, 2026 | Award | +313 | – | – | 4,904 |
| David C. Wajsgras Director | May 14, 2026 | Award | +313 | – | – | 4,959 |
| Gayla J. Delly Director | May 14, 2026 | Award | +313 | – | – | 313 |
| Mary T. Mack Director | May 14, 2026 | Award | +313 | – | – | 914 |
| Martin J. Lyons Director | May 14, 2026 | Award | +313 | – | – | 313 |
| Donald W. Slager Director | May 14, 2026 | Award | +313 | – | – | 5,064 |
| Christopher William Samborski EVP, COO | May 1, 2026 | Award | +8,101 | – | – | 21,762 |
| George Frederick Schoen EVP, GC and Corp. Secretary | Mar 1, 2026 | Award | +23,673 | – | – | 23,673 |
| Michael J. Petro SVP and CFO | Mar 1, 2026 | Award | +2,960 | – | – | 15,359 |
| C. Howard Nye Chairman, Pres & CEO, Director | Mar 1, 2026 | Award | +5,919 | – | – | 176,038 |
| Donald A. McCunniff EVP and CHRO | Mar 1, 2026 | Award | +2,960 | – | – | 7,518 |
| John J. Koraleski Director | Feb 27, 2026 | Award | +69 | $676.57 | $46.68K | 8,822 |
| David C. Wajsgras Director | Feb 27, 2026 | Award | +56 | $676.57 | $37.89K | 4,646 |
| Thomas Pike Director | Feb 27, 2026 | Award | +47 | $676.57 | $31.80K | 4,591 |
| Michael J. Petro SVP and CFO | Feb 24, 2026 | Tax withholding | −94 | $696.85 | $65.50K | 12,399 |
| Robert J. Cardin SVP, Controller & CAO | Feb 24, 2026 | Tax withholding | −103 | $696.85 | $71.78K | 12,459 |
| C. Howard Nye Chairman, Pres & CEO, Director | Feb 24, 2026 | Tax withholding | −1,221 | $696.85 | $850.85K | 170,119 |
| Jason Paul Flynn SVP and CIO | Feb 24, 2026 | Tax withholding | −30 | $696.85 | $20.91K | 5,494 |
| Michael J. Petro SVP and CFO | Feb 23, 2026 | Tax withholding | −211 | $683.60 | $144.24K | 12,493 |
| Robert J. Cardin SVP, Controller & CAO | Feb 23, 2026 | Tax withholding | −209 | $683.60 | $142.87K | 12,562 |
| C. Howard Nye Chairman, Pres & CEO, Director | Feb 23, 2026 | Tax withholding | −1,805 | $683.60 | $1.23M | 171,340 |
| Donald A. McCunniff EVP and CHRO | Feb 23, 2026 | Tax withholding | −192 | $683.60 | $131.25K | 4,558 |
| Jason Paul Flynn SVP and CIO | Feb 23, 2026 | Tax withholding | −177 | $683.60 | $121.00K | 5,524 |
| Michael J. Petro SVP and CFO | Feb 20, 2026 | Award | +931 | – | – | 12,704 |
| Robert J. Cardin SVP, Controller & CAO | Feb 20, 2026 | Award | +658 | – | – | 12,771 |
| Donald A. McCunniff EVP and CHRO | Feb 20, 2026 | Award | +1,277 | – | – | 4,750 |
| Jason Paul Flynn SVP and CIO | Feb 20, 2026 | Award | +592 | $548.75 | $324.86K | 5,106 |
| Jason Paul Flynn SVP and CIO | Feb 20, 2026 | Award | +595 | – | – | 5,701 |
| C. Howard Nye Chairman, Pres & CEO, Director | Feb 20, 2026 | Award | +2,216 | $548.75 | $1.22M | 166,740 |
| C. Howard Nye Chairman, Pres & CEO, Director | Feb 20, 2026 | Award | +6,405 | – | – | 173,145 |
| C. Howard Nye Chairman, Pres & CEO, Director | Feb 17, 2026 | Tax withholding | −9,717 | $666.53 | $6.48M | 164,524 |
| C. Howard Nye Chairman, Pres & CEO, Director | Feb 17, 2026 | Award | +22,365 | – | – | 174,241 |
| Jason Paul Flynn SVP and CIO | Feb 17, 2026 | Tax withholding | −107 | $666.53 | $71.32K | 4,514 |
| Jason Paul Flynn SVP and CIO | Feb 17, 2026 | Award | +222 | – | – | 4,621 |
| Robert J. Cardin SVP, Controller & CAO | Feb 17, 2026 | Tax withholding | −822 | $666.53 | $547.89K | 12,113 |
| Robert J. Cardin SVP, Controller & CAO | Feb 17, 2026 | Award | +1,869 | – | – | 12,935 |
| Michael J. Petro SVP and CFO | Feb 17, 2026 | Award | +1,724 | – | – | 12,531 |
| Michael J. Petro SVP and CFO | Feb 17, 2026 | Tax withholding | −758 | $666.53 | $505.23K | 11,773 |
| Roselyn R. Bar Executive Vice President | Dec 16, 2025 | Tax withholding | −66 | $629.49 | $41.55K | 62,594 |
| Robert J. Cardin SVP, Controller & CAO | Dec 16, 2025 | Tax withholding | −32 | $629.49 | $20.14K | 11,066 |
| C. Howard Nye Chairman, Pres & CEO, Director | Dec 16, 2025 | Tax withholding | −298 | $629.49 | $187.59K | 151,876 |
| Donald A. McCunniff EVP and CHRO | Dec 16, 2025 | Tax withholding | −50 | $629.49 | $31.47K | 3,473 |
| Roselyn R. Bar Executive Vice President | Dec 2, 2025 | Gift | −488 | – | – | 62,660 |
| Jason Paul Flynn SVP and CIO | Dec 1, 2025 | Tax withholding | −123 | $615.25 | $75.68K | 4,399 |
| Roselyn R. Bar Executive Vice President | Dec 1, 2025 | Tax withholding | −420 | $615.25 | $258.41K | 63,148 |
| David C. Wajsgras Director | Nov 28, 2025 | Award | +61 | $623.24 | $38.02K | 4,590 |
| Thomas Pike Director | Nov 28, 2025 | Award | +51 | $623.24 | $31.79K | 4,544 |
| John J. Koraleski Director | Nov 28, 2025 | Award | +75 | $623.24 | $46.74K | 8,753 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Laree E. Perez Director | Aug 8, 2025 | 1,038 | $623.11K | Aug 8, 2025 | Distribution of restricted stock award |
| Donald A. McCunniff Officer | Feb 26, 2025 | 1,332 | $653.07K | Feb 26, 2025 | Stock Option Exercise |
| John P. Mohr Former SVP, CIO | Mar 19, 2024 | 3,335 | $1.99M | Mar 19, 2024 | Vesting and Distribution of Restricted Stock Units |
| Roselyn R. Bar Officer | Mar 14, 2024 | 10,000 | $6.05M | Mar 13, 2024 | Vesting and Distribution of Restricted Stock Units |
| C. Howard Nye Officer, Director | Mar 5, 2024 | 20,000 | $12.04M | Mar 5, 2024 | Vesting and Distribution of of Restricted Stock Units (shares held in Irrevocable Trust |
| Sue W. Cole Director | Feb 15, 2024 | 1,724 | $930.03K | Feb 15, 2024 | Stock Options Exercise |
| Craig M. LaTorre Former Sr. VP, CHRO | Feb 15, 2024 | 1,667 | $899.28K | Feb 15, 2024 | Distribution of stock units awarded pursuant to the Martin Marietta Incentive Stock Plan |
| Craig M. LaTorre Officer | Jul 27, 2023 | 8,078 | $3.70M | Jul 28, 2023 | Vesting and distribution of Restricted Stock Units |
| Smith W. Davis Former Director | May 19, 2023 | 2,810 | $1.15M | May 19, 2023 | Distribution of deferred restricted stock awards |