WallStreetZenWallStreetZen

NYSE: MLM
Martin Marietta Materials Inc Stock Ownership - Who owns Martin Marietta Materials?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Martin Marietta Materials Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Laree E. PerezDirector2025-08-081,038$613.32
$636.63kSell
John J. KoraleskiDirector2025-05-3085$547.55
$46.54kBuy
David C. WajsgrasDirector2025-05-3069$547.55
$37.78kBuy
Thomas PikeDirector2025-05-3058$547.55
$31.76kBuy
Dorothy M. AblesDirector2025-05-15308$552.86
$170.28kBuy
Sue W. ColeDirector2025-05-15308$552.86
$170.28kBuy
Anthony R. FoxxDirector2025-05-15308$552.86
$170.28kBuy
John J. KoraleskiDirector2025-05-15308$552.86
$170.28kBuy
Mary T. MacKDirector2025-05-15308$552.86
$170.28kBuy
Laree E. PerezDirector2025-05-15308$552.86
$170.28kBuy

1 of 5

MLM insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when MLM insiders and whales buy or sell their stock.

MLM Shareholders

What type of owners hold Martin Marietta Materials Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Vanguard Group Inc12.19%7,349,350$4.53BInstitution
Southeastern Asset Management Inc10.29%6,205,303$3.82BInsider
Spo Advisory Corp7.81%4,709,835$2.90BInsider
Blackrock Inc7.01%4,227,808$2.61BInstitution
Holding Nns6.13%3,696,132$2.28BInsider
Fmr LLC4.99%3,010,162$1.86BInstitution
Jpmorgan Chase Co4.90%2,955,139$1.82BInstitution
State Street Corp4.68%2,825,325$1.74BInstitution
Bank Of America Corp3.88%2,340,677$1.44BInstitution
Aristotle Capital Management LLC3.77%2,275,539$1.40BInstitution

1 of 3

MLM vs Building Material Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MLM79.30%20.70%Net SellingNet Selling
VMC92.94%6.35%Net SellingNet Selling
AMRZ30.51%0.38%Net BuyingNet Buying
CX3.40%0.00%
JHX24.28%0.00%
View Top Building Material Stocks

Martin Marietta Materials Stock Ownership FAQ

Who owns Martin Marietta Materials?

Martin Marietta Materials (NYSE: MLM) is owned by 98.87% institutional shareholders, 25.81% Martin Marietta Materials insiders, and 0.00% retail investors. Southeastern Asset Management Inc is the largest individual Martin Marietta Materials shareholder, owning 6.21M shares representing 10.29% of the company. Southeastern Asset Management Inc's Martin Marietta Materials shares are currently valued at $3.82B.

If you're new to stock investing, here's how to buy Martin Marietta Materials stock.
©2025 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.