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Martin Marietta Materials Inc (MLM) stock

MLMNYSEMining & Quarrying of Nonmetallic Minerals (No Fuels)Fiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 4, 2026Score 17/3012% below fair value
$524.13−4.08 (-0.77%)

Close on Nov 11, 2026Market cap $31.48BP/E 13.9Yield 0.62%

Martin Marietta Materials Inc grew revenue 19.6% to $7.21B over the twelve months to Sep 30, 2026. Operating income fell 8.6% to $1.31B, moving the operating margin from 23.8% to 18.2%. Free cash flow was $875.00M, down 13.1% from a year earlier. At the latest close the market valued the company at $31.48B, 13.9 times its earnings.

Revenue
$7.21B
+19.6% vs. a year earlier
Operating income
$1.31B
-8.6% vs. a year earlier
Free cash flow
$875.00M
-13.1% vs. a year earlier
EPS, diluted
$37.77
+99.3% vs. a year earlier

Key statistics

Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026

Valuation

Market cap
$31.48B
P/E ratio
13.9
Price to sales
4.37
Price to book
1.78
Dividend yield
0.62%
Free cash flow yield
2.78%

Fundamentals

Revenue
$7.21B
Net income
$2.30B
EPS, diluted
$37.77
Free cash flow
$875.00M
Book value per share
$271.26
Diluted shares
65M

Trading

Next earnings
Feb 10, 2027 (estimated, before the open)
Previous close
$528.21
Open
$523.98
Day's range
$522.03 – $527.99
Volume
577,383
Average volume (20 days)
990,899
Index membership
S&P 500, Russell 1000, Russell 3000
Beta (5 years)
0.90
52-week range
$464.92 – $710.97
RSI (14 days)
53.1
Volatility (1 year)
29.6%
Relative volume
0.77×
WACC
7.8%

On 1 of our idea list: Superinvestor favorites

Index membership is inferred from the holdings of funds that track each index (VOO, IVV, SPYM, IWB, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.

Market cap history

Month-end market cap since 2009, using shares outstanding reported at the time

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 11, 2026. The S&P 500 is measured by the SPY fund.

PeriodMLMS&P 500DifferenceMLM per yearS&P 500 per year
1 month+9.6%-2.4%+12.0 pts
3 months-5.2%-1.2%−4.0 pts
Year to date-15.5%+12.3%−27.8 pts
1 year-15.0%+12.4%−27.5 pts
3 years+17.5%+78.8%−61.3 pts+5.5%+21.4%
5 years+30.5%+75.2%−44.6 pts+5.5%+11.9%
10 years+145.5%+311.1%−165.6 pts+9.4%+15.2%

Fifteen years at a glance

Fiscal years 2011 to 2025 and trailing twelve months, USD

Revenue

$7.21B+19.6% YoY

Gross profit

$1.92B+4.2% YoY

Operating income

$1.31B-8.6% YoY

Net income

$2.30B+99.6% YoY

EPS, diluted

$37.77+99.3% YoY

Free cash flow

$875.00M-13.1% YoY
Reported periodTrailing twelve months

Press releases

Releases Martin Marietta Materials filed with the SEC as exhibits to Form 8-K or 6-K

All press releases and earnings

About Martin Marietta Materials

Mining & Quarrying of Nonmetallic Minerals (No Fuels)

Martin Marietta Materials, Inc. is a natural resource-based building materials company that supplies heavy-side construction aggregates, including crushed stone, sand, and gravel. Alongside aggregates, the company provides building materials such as cement, ready mixed concrete, asphalt, and paving services within targeted regional markets. Operations are primarily organized into the Building Materials business and the Specialties business. The Specialties segment manufactures natural and synthetic magnesia-based chemical products—including magnesium oxide, magnesium hydroxide, and magnesium sulfate—as well as dolomitic lime. Martin Marietta serves customers across residential, nonresidential, and public infrastructure construction markets, as well as agricultural, environmental, utility, consumer, and industrial sectors such as steel production and railroad operations.

Company profile, executives and history

Martin Marietta Materials stock: common questions

What is Martin Marietta Materials's stock price?

MLM closed at $524.13 on Nov 11, 2026, down 0.77% on the day. Over the past 52 weeks it traded between $464.92 and $710.97.

What is Martin Marietta Materials's market cap?

Martin Marietta Materials was worth $31.48B at the close on Nov 11, 2026: the share price times the diluted shares outstanding.

What is MLM's P/E ratio?

MLM trades at 13.9 times earnings, based on diluted earnings per share of $37.77 over the twelve months to Sep 30, 2026.

How much revenue does Martin Marietta Materials make?

Martin Marietta Materials reported revenue of $7.21B for the twelve months to Sep 30, 2026, up 19.6% from a year earlier.

Does Martin Marietta Materials pay a dividend?

Yes. Martin Marietta Materials paid $3.24 per share over the last twelve months, a yield of 0.62% at the latest price, and has raised its annual dividend 8 years in a row.

When does Martin Marietta Materials report earnings next?

Martin Marietta Materials is expected to report Q4 FY2026 results on Feb 10, 2027, before the open. The date is estimated from its past reporting pattern until the company confirms it.

How has MLM stock performed over the past year?

Including dividends, MLM returned -15.0% over the past year, against +12.4% for the S&P 500.

How many MLM shares are sold short?

3M shares were sold short at the latest FINRA report, 6.93% of the float, or 3.7 days of average trading volume.

Who are Martin Marietta Materials's competitors?

Companies most similar to Martin Marietta Materials by business, industry and size include VMC, KNF, TTAM, SQM, TECK.

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