Martin Marietta Materials

Day range

$504.10 – $517.30

Open

$514.91

Prev close

$517.67

Volume

188.77K

Market cap

$36.76B

Shares out

60.07M

P/E

14.96

P/S

5.50

P/B

3.18

P/FCF

45.39

ROE

21.3%

ROA

11.5%

Debt/Equity

0.52

Div yield

0.55%

As of Oct 22, 2026

• Debt activitySep 16, 2026

  On September 15, 2026, Martin Marietta Materials, Inc. and its wholly-owned subsidiary, Martin Marietta Funding LLC, entered into the Eighteenth Amendment to its Credit and Security Agreement with Truist Bank. Pursuant to the Eighteenth Amendment, the scheduled maturity date of the facility was extended to September 15, 2027.

• Debt activityAug 18, 2026

  Martin Marietta Materials, Inc. entered into a Credit Agreement with JPMorgan Chase Bank, N.A., as administrative agent, and the lenders and issuing lenders party thereto, which provides for a $1,500,000,000 five-year senior unsecured revolving facility. The Revolving Facility replaces the Corporation's existing Credit Agreement, dated as of December 21, 2021.

• Debt activityAug 14, 2026

  Martin Marietta issued $750 million aggregate principal amount of 4.850% Senior Notes due 2029, $1,250 million aggregate principal amount of 5.200% Senior Notes due 2032, $1,000 million aggregate principal amount of 5.400% Senior Notes due 2034, $1,500 million aggregate principal amount of 5.625% Senior Notes due 2036 and $1,000 million aggregate principal amount of 6.375% Senior Notes due 2056 pursuant to a base indenture dated as of May 22, 2017, as amended and supplemented by the Sixth Supplemental Indenture, dated as of August 14, 2026.

• Debt activityAug 12, 2026

  In connection with the offering of $750 million aggregate principal amount of 4.850% Senior Notes due 2029, $1,250 million aggregate principal amount of 5.200% Senior Notes due 2032, $1,000 million aggregate principal amount of 5.400% Senior Notes due 2034, $1,500 million aggregate principal amount of 5.625% Senior Notes due 2036 and $1,000 million aggregate principal amount of 6.375% Senior Notes due 2056 on August 11, 2026, Martin Marietta Materials, Inc. entered into an underwriting agreement with Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC, Deutsche Bank Securities Inc. and Truist Securities, Inc.

• Deal agreementsAug 10, 2026

  on June 27, 2026, Martin Marietta Materials, Inc., a North Carolina corporation (the "Company"), entered into a Securities Sale Agreement (the "Securities Sale Agreement") with LNA Holding SRL ("LNA Holding"), a société à responsabilité limitée organized under the laws of Belgium, pursuant to which the Company will acquire all of the outstanding equity interests in Lhoist North America, Inc. ("LNA")

• EXPEagle Materials, Inc.-1.74%
• DYDycom Industries, Inc.+1.20%
• AWIArmstrong World Industries, Inc.-1.14%
• VMCVulcan Materials Company(Holding Company)-1.84%
• EXPEagle Materials, Inc.-1.74%
• CRHCRH Public Limited Company-1.26%
• SHWThe Sherwin-Williams Company-1.75%
• TOLToll Brothers, Inc.-0.36%

Days to cover

3.3

Short interest

3.19M

Avg volume

966.16K

As of Sep 30, 2026 · reported to FINRA twice monthly.

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