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

Insider buying vs selling

Have Martin Marietta Materials Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
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
Thomas PikeDirector2025-05-15308$552.86
$170.28kBuy

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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
Vanguard Group Inc12.18%7,342,358$3.98BInstitution
Southeastern Asset Management Inc10.29%6,205,303$3.37BInsider
Spo Advisory Corp7.81%4,709,835$2.55BInsider
Blackrock Inc7.15%4,312,093$2.34BInstitution
Holding Nns6.13%3,696,132$2.01BInsider
Jpmorgan Chase Co4.88%2,944,694$1.60BInstitution
State Street Corp4.59%2,768,972$1.50BInstitution
Fmr LLC4.41%2,657,904$1.44BInstitution
Aristotle Capital Management LLC3.88%2,338,485$1.27BInstitution
Principal Financial Group Inc3.22%1,940,423$1.05BInstitution

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MLM vs Building Material Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MLM79.11%20.89%Net SellingNet Buying
VMC91.03%6.35%Net SellingNet Selling
JHX8.32%0.00%
CX3.31%0.00%
EXP75.41%24.59%Net SellingNet Selling

Martin Marietta Materials Stock Ownership FAQ

Who owns Martin Marietta Materials?

Martin Marietta Materials (NYSE: MLM) is owned by 97.77% 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 $3.37B.

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