MLM Martin Marietta Materials

Martin Marietta Materials, Inc. engages in the provision of aggregates including crushed stone, sand, and gravel through its network of quarries and distribution yards. It operates through the following geographical segments: Mid-America Group, Southeast Group, and West Group. The Mid-America Group and Southeast Group segments provide aggregates products only. The West Group offers aggregates, as well as cement and downstream products including mixed concrete, asphalt, and paving services. The company was founded in November 1993 and is headquartered in Raleigh, NC.

MLM stock data



19 Feb 21
11 Apr 21
31 Dec 21
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Dec 20 Sep 20 Jun 20 Mar 20
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Dec 20 Dec 19 Dec 18 Dec 17
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Financial data from company earnings reports.

Date Owner Security Transaction Code Indirect 10b5-1 $Price #Shares $Value #Remaining
10 Mar 21 C Howard Nye Common Stock Sell Dispose S Yes No 337.84 10,000 3.38M 75,400
10 Mar 21 C Howard Nye Common Stock Sell Dispose S No No 337.79 6,948 2.35M 94,278
9 Mar 21 C Howard Nye Common Stock Sell Dispose S No No 335.06 3,052 1.02M 101,226
26 Feb 21 Smith W Davis Common Stock Grant Aquire A No No 336.87 95 32K 3,684
26 Feb 21 John J Koraleski Common Stock Grant Aquire A No No 336.87 129 43.46K 5,040
26 Feb 21 Pike Thomas Common Stock Grant Aquire A No No 336.87 90 30.32K 1,438
26 Feb 21 Michael J Quillen Common Stock Grant Aquire A No No 336.87 51 17.18K 21,264

Data for the last complete 13F reporting period. To see the most recent changes to ownership, click the ownership history button above.

95.1% owned by funds/institutions
13F holders
Current Prev Q Change
Total holders 626 575 +8.9%
Opened positions 93 62 +50.0%
Closed positions 42 68 -38.2%
Increased positions 200 185 +8.1%
Reduced positions 235 221 +6.3%
13F shares
Current Prev Q Change
Total value 16.82B 14.57B +15.5%
Total shares 59.25M 60.7M -2.4%
Total puts 1.68M 1.59M +6.1%
Total calls 573K 500.5K +14.5%
Total put/call ratio 2.9 3.2 -7.3%
Largest owners
Shares Value Change
Vanguard 6.61M $1.88B -1.4%
BLK Blackrock 3.8M $1.08B -0.8%
Select Equity 3.53M $1B +3.2%
STT State Street 3.33M $944.23M +6.7%
Aristotle Capital Management 3.28M $925.82M +4.8%
MS Morgan Stanley 2.91M $826.02M +20.8%
Baillie Gifford & Co 2.7M $767.04M +0.5%
JPM JPMorgan Chase & Co. 2.09M $593.17M -11.5%
Gardner Russo & Gardner 1.4M $396.38M -7.0%
PFG Principal Financial Group Inc - Registered Shares 1.32M $375.09M -1.2%
Largest transactions
Shares Bought/sold Change
Norges Bank 551.21K +551.21K NEW
Egerton Capital 373.2K -547.3K -59.5%
MS Morgan Stanley 2.91M +501.14K +20.8%
GS Goldman Sachs 1.13M -306.44K -21.4%
Carillon Tower Advisers 376.87K +294.66K +358.4%
American Century Companies 183.99K -293.54K -61.5%
JPM JPMorgan Chase & Co. 2.09M -272.69K -11.5%
Iridian Asset Management 202.23K -250.06K -55.3%
Wellington Management 4.95K -239.44K -98.0%
M&G Investment Management 419.67K -235.63K -36.0%

Financial report summary

  • Our business is cyclical and depends on activity within the construction industry
  • Our Building Materials Business is seasonal and subject to the weather, which can significantly impact operations
  • Our businesses could be adversely affected by the ongoing COVID-19 pandemic, or any other outbreak of disease, epidemic or pandemic, or similar public health threat, or fear of such an event and its related economic and societal response
  • Our Building Materials Business depends on the availability of quality aggregates reserves or deposits and our ability to mine them economically
  • Our businesses face many competitors
  • Our future growth may depend in part on acquiring other businesses in our industry, and we may acquire businesses by paying all or in part with shares of our common stock
  • Our integration of the acquisition or business combination with other businesses may not be as successful as projected
  • Our acquisitions could harm our results of operations
  • Our cement and Magnesia Specialties businesses may become capacity-constrained
  • Our cement business could suffer if cement imports from other countries significantly increase or are sold in the U.S. in violation of U.S. fair trade laws
  • Climate change and related legislation or regulations may adversely impact our business, including potential physical and financial impacts
  • Our business is dependent on funding from a combination of federal, state and local sources
  • Our businesses could be impacted by rising interest rates
  • Increases in our effective income tax rate may harm our results of operations
  • Labor disputes could disrupt operations of our businesses
  • We depend on the recruitment and retention of qualified personnel, and our failure to attract and retain such personnel could adversely affect our business.
  • Our business is a capital-intensive business
  • Our earnings are affected by the application of accounting standards and our critical accounting policies, which involve subjective judgments and estimates by our management. Our estimates and assumptions could be wrong
  • The adoption of new accounting standards may affect our financial results
  • Disruptions in the credit markets could affect our business
  • Our Magnesia Specialties business faces currency risks from its overseas activities
  • Unexpected equipment failures, catastrophic events and scheduled maintenance may lead to production curtailments or shutdowns
  • Our paving operations present additional risks to our business
  • Our ready mixed concrete and asphalt and paving product lines have lower profit margins and operating results can be more volatile
  • Short supplies and high costs of fuel, energy and raw materials affect our businesses
  • Cement is sensitive to supply and price volatility
  • Our Magnesia Specialties business depends in part on the steel industry and the supply of reasonably priced fuels
  • We are dependent on information technology and our systems and infrastructure face certain risks, including cybersecurity risks and data leakage risks
  • Delays or interruptions in shipping products of our businesses could affect our operations
  • Our articles of incorporation and bylaws and North Carolina law may inhibit a change in control that you may favor
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