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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
Martin J. LyonsDirector2026-08-3168$518.70
$35.27kBuy
Thomas PikeDirector2026-08-3166$518.70
$34.23kBuy
David C. WajsgrasDirector2026-08-3178$518.70
$40.46kBuy
Michael J. PetroCFO;SVP2026-08-03368$542.27
$199.56kSell
Thomas PikeDirector2026-05-2959$581.64
$34.32kBuy
David C. WajsgrasDirector2026-05-2969$581.64
$40.13kBuy
Martin J. LyonsDirector2026-05-2961$581.64
$35.48kBuy
John J. KoraleskiDirector2026-02-2769$676.57
$46.68kBuy
Thomas PikeDirector2026-02-2747$676.57
$31.80kBuy
David C. WajsgrasDirector2026-02-2756$676.57
$37.89kBuy

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Net Insider Buy/Sell (L12M) Ownership

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MLM Shareholders

What type of owners hold Martin Marietta Materials Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Holding Srl Lna18.24%10,953,543$5.30BInsider
Southeastern Asset Management Inc10.33%6,205,303$3.01BInsider
Spo Advisory Corp7.84%4,709,835$2.28BInsider
Holding Nns6.15%3,696,132$1.79BInsider
C. Howard Nye0.41%246,438$119.35MInsider
Curated Wealth Partners LLC0.16%96,497$46.73MInstitution
Roselyn R. Bar0.10%62,594$30.31MInsider
Philip J. Sipling0.10%60,601$29.35MInsider
Anne H. Lloyd0.10%59,786$28.95MInsider
Daniel G. Shepherd0.08%47,500$23.00MInsider

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MLM vs Building Material Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MLM0.10%44.25%Net SellingNet Selling
VMC0.10%6.48%Net SellingNet Buying
AMRZ0.05%0.57%Net BuyingNet Buying
JHX0.05%0.29%Net SellingNet Selling
CX0.00%2.45%Net SellingNet Selling
View Top Building Material Stocks

Martin Marietta Materials Stock Ownership FAQ

Who owns Martin Marietta Materials?

Martin Marietta Materials (NYSE: MLM) is owned by 0.10% institutional shareholders, 44.25% Martin Marietta Materials insiders, and 55.65% retail investors. Holding Srl Lna is the largest individual Martin Marietta Materials shareholder, owning 10.95M shares representing 18.24% of the company. Holding Srl Lna's Martin Marietta Materials shares are currently valued at $5.38B.

If you're new to stock investing, here's how to buy Martin Marietta Materials stock.
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