Martin Marietta Materials Ownership | Who Owns Martin Marietta Materials?
Martin Marietta Materials Ownership Summary
Martin Marietta Materials is owned by 96.72% institutional investors, 0.77% insiders, and 2.51% retail investors. Vanguard group is the largest institutional shareholder, holding 11.74% of MLM shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.24% of its assets in Martin Marietta Materials shares.
MLM Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Martin Marietta Materials | 96.72% | 0.77% | 2.51% |
| Sector | Basic Materials Stocks | 35.30% | 11.52% | 53.19% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 7.17M | 11.74% | $3.71B |
| Blackrock funding, inc. /de | 4.26M | 6.97% | $2.20B |
| Blackrock | 4.14M | 6.70% | $2.24B |
| State street | 2.75M | 4.45% | $1.49B |
| Jpmorgan chase | 2.68M | 4.38% | $1.38B |
| Aristotle capital management | 2.66M | 4.30% | $1.44B |
| Fmr | 2.51M | 4.11% | $1.30B |
| Baillie gifford | 1.91M | 3.13% | $987.20M |
| Principal financial group | 1.82M | 2.98% | $939.90M |
| Bank of america corp /de/ | 1.66M | 2.68% | $896.89M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Steginsky capital | 112.29K | 12.42% | $58.00M |
| Bluegrass capital partners lp | 21.00K | 9.63% | $10.85M |
| Nitorum capital | 110.69K | 6.57% | $57.17M |
| Bornite capital management lp | 60.00K | 4.17% | $30.99M |
| Gardner russo & quinn | 707.01K | 4.13% | $365.17M |
| M.d. sass | 100.16K | 3.89% | $51.73M |
| Rather & kittrell | 31.46K | 3.82% | $16.25M |
| Mader & shannon wealth management | 11.18K | 3.57% | $5.78M |
| Lathrop investment management | 34.54K | 3.40% | $17.84M |
| Mcdonald capital investors inc/ca | 100.92K | 3.27% | $52.12M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Proficio capital partners | 918.43K | 0.07% | 916.74K |
| Norges bank | 594.12K | 0.04% | 594.12K |
| Raymond james financial | 380.20K | 0.07% | 380.20K |
| Alkeon capital management | 771.20K | 0.81% | 245.00K |
| Ubs group | 387.52K | 0.04% | 222.94K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| T. rowe price investment management | 1.61M | 0.51% | -1.86M |
| Amundi | 1.11M | 0.23% | -430.40K |
| Select equity group | 1.41M | 2.89% | -340.93K |
| Mirae asset global investments | 7.21K | 0.02% | -277.94K |
| Aristotle capital management | 2.66M | 2.79% | -215.93K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 594.12K | 0.04% | 594.12K | $306.86M |
| Raymond james financial | 380.20K | 0.07% | 380.20K | $196.37M |
| Hawk ridge capital management lp | 90.60K | 2.23% | 90.60K | $46.79M |
| Woodline partners lp | 34.84K | 0.12% | 34.84K | $17.99M |
| Lazard freres gestion s.a.s. | 32.59K | 0.34% | 32.59K | $16.83M |
Sold Out
| Holder | Change |
|---|---|
| Innealta capital | -1.00 |
| Hhm wealth advisors | -1.00 |
| Hm payson | -1.00 |
| Baldwin brothers llc/ma | -1.00 |
| Redwood wealth management group | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 950 | -4.62% | 58,904,747 | -0.27% | 96 | 1.05% | 463 | -7.58% | 313 | -3.99% |
| Dec 31, 2024 | 909 | -5.31% | 51,521,659 | -13.45% | 84 | 0.89% | 459 | 2.68% | 297 | -6.01% |
| Sep 30, 2024 | 950 | -0.11% | 59,467,680 | -0.17% | 97 | 1.04% | 445 | 7.75% | 310 | -6.91% |
| Jun 30, 2024 | 936 | -4.00% | 59,448,235 | 0.85% | 96 | 1.06% | 407 | -6.87% | 328 | -6.55% |
| Mar 31, 2024 | 975 | 8.82% | 58,945,733 | 0.38% | 95 | 1.06% | 437 | -4.59% | 351 | 20.21% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 1.95M | 3.24% | 28.98K |
| Vanguard US Total Market Shares ETF | 1.93M | 3.17% | -20.89K |
| Vanguard Institutional 500 Index Trust | 1.73M | 2.86% | 28.33K |
| Principal MidCap R5 | 1.46M | 2.42% | 41.07K |
| Principal Aligned MidCap Equity | 1.43M | 2.35% | 96.10K |
| Vanguard Mid Cap Index Institutional | 1.33M | 2.20% | 11.70K |
| Fidelity Magellan | 954.21K | 1.58% | 85.80K |
| Fidelity 500 Index | 766.79K | 1.27% | 1.32K |
| Victory Pioneer A | 753.43K | 1.25% | 14.10K |
| SPDR® S&P 500 ETF | 760.72K | 1.25% | -11.16K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 05, 2025 | McCunniff Donald A. | EVP and CHRO | Sell | $632.70K |
| Mar 04, 2025 | Petro Michael J | SVP - Strategy and Development | Buy | $249.90K |
| Mar 14, 2024 | BAR ROSELYN R | EVP, General Counsel and Secy | Sell | $6.03M |
| Mar 05, 2024 | Nye C Howard | Chairman, Pres & CEO | Sell | $3.02M |
| Mar 05, 2024 | Nye C Howard | Chairman, Pres & CEO | Sell | $9.06M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | - |
| 2025 Q1 | 1 | 1 |
| 2024 Q4 | - | - |
| 2024 Q3 | - | - |
| 2024 Q2 | - | - |
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