NYSE: MLM

Martin Marietta Materials (MLM) Stock Analysis & Forecast

Martin Marietta Materials, Inc. Non-energy minerals sector, construction materials industry. Market cap $29.47B.

$490.64−3.80 (−0.8%)

Close on Sep 18, 2026. Page updated Sep 19, 9:19 pm ET.

Gekko Brief

AI summary

Martin Marietta Materials closes at $490.64, down 0.8%, and sits below both its 50-day average of $537.03 and 200-day average of $596.23, with the 50-day itself below the 200-day. The stock is near its 52-week low of $488.74, well off its 52-week high of $710.97, with one-month return at -8.4% and three-month return at -19.5%. The GekkoIndex reads 69.4, placing MLM in the Accumulation zone, and price sits 10.1% below Gekko Fair Value of $546.02.

This week's news centers on the stock touching a 52-week low of $491.41, a level flagged alongside a PEG ratio some view as suggesting undervaluation relative to growth. Separately, Martin Marietta extended its $500 million trade receivables securitization facility through 15 September 2027, updating the rate to Adjusted Term SOFR plus 0.700%. BNP Paribas adjusted its price target on MLM to $565 from $590 while maintaining a Neutral rating.

Looking ahead 44 days to the next earnings date of 3 November 2026, that report falls outside a typical 20-trading-day holding window. In the last 90 days, Congress members recorded 4 buys and 0 sells, while the last 30 days show 1 unusual options signal with call premium of $1,480,900 and no put premium. Seasonally, the next 20 trading days from this point in the calendar averaged +2.6% over 5 years, rising in 4 of those years. Analyst coverage includes 12 buy ratings, 4 holds, and no sells among 16 firms, with a consensus target of $658.12.

Written by AI and checked automatically against the figures on this page. Generated Sep 20, 2026 from the data above.

Price vs fair value

Close $490.64200-day averageGekko Fair Value $546.02

Key stats

Market cap
$29.47B
P/E ratio
31.9
Forward P/E
20.8
EPS, TTM
$15.38
Revenue, TTM
$6.69B
Profit margin
36.7%
Dividend yield
0.67%
Beta
1.10
Volume
1.15M avg 734,465
1-year return
−19.5%
Typical daily move
±2.7%
Typical 20-day move
±4.9%
50-day average
$537.03
200-day average
$596.23
Next earnings
Nov 3
Shares outstanding
71.02M
52-week range
$488.74$710.97

Martin Marietta Materials swing-trade checklist

Martin Marietta Materials scores 5 supportive, 0 mixed and 1 headwind across the 6 checklist items with data.

Six things swing traders check before a 20-day hold, read from the latest data.

5 supportive0 mixed1 headwind

  • Trendheadwind

    Below 50 and 200-day

    Close $490.64 is below the 50-day ($537.03) and 200-day ($596.23) averages, and the 50-day is below the 200-day.

    See the chart
  • GekkoIndexsupportive

    69.4, Accumulation

    Reading 69.4 is in the Accumulation zone.

    See the GekkoIndex
  • Fair valuesupportive

    10.1% below

    Price is 10.1% below Gekko Fair Value (more than 5% below).

    See fair value
  • Smart moneysupportive

    Leans bullish

    Last 90 days: Congress 4 buys / 0 sales. Last 30 days: 1 unusual options signal.

    See smart money
  • Earnings risksupportive

    Reports in 44 days

    Next report Nov 3, 2026, 44 days away — outside a typical 20-trading-day hold.

    See earnings
  • Seasonalitysupportive

    +2.6% on average

    From this point in the calendar, the next 20 trading days averaged +2.6% over 5 years, rising in 4 of them.

    See seasonality

A description of current data, not a recommendation. How this page works

Martin Marietta Materials stock chart and price history

Martin Marietta Materials closed at $490.64 on Sep 18, 2026, −19.5% over the past year, inside a 52-week range of $488.74 to $710.97.

Close50-day average200-day averageVolume

Use the left and right arrow keys to read daily values.

Performance Breakdown

1 month
−8.4%
3 months
−19.5%
6 months
−13.5%
1 year
−19.5%
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About Martin Marietta Materials

Martin Marietta Materials produces and distributes materials sourced from the earth for use in construction and infrastructure. It provides crushed stone, sand and gravel as basic inputs, plus processed goods like ready-mix concrete, asphalt and paving products. These items support roadbuilding, commercial and residential projects, and industries such as rail, farming, utilities and environmental work, reaching customers at home and overseas.

The company also makes chemicals based on magnesia for use in industry, farming and environmental settings, and it produces dolomitic lime, which finds use in steelmaking and in stabilizing soil. Additional chemical lines feed into flame retardant products, treatment of wastewater, and paper and pulp manufacturing, among other environmental purposes.

Founded in 1939, the company keeps its headquarters in Raleigh, North Carolina. Its stock trades on the NYSE under the ticker MLM.

Listed
NYSE
Sector
Non-energy minerals
Industry
Construction materials
Website
martinmarietta.com

Martin Marietta Materials GekkoIndex: the smart money zone

Martin Marietta Materials’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 69.4, in the Accumulation zone, up 4.2 points over five sessions.

010069.4Accumulation

Up 4.2 points over five sessions.

Reading for Sep 18, 2026

What followed past readings in each zone

ZoneReadings5 days10 days20 days50 days
Buying45−0.1%+0.9%+4.3%−1.0%
Accumulation (current zone)2040.0%0.0%+0.3%+2.6%
Neutral383+0.2%0.0%−0.3%−0.5%
Distribution290.0%+1.8%+2.1%+0.6%
Selling1Too few readings yet

Average MLM share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Accumulation readings averaged +2.3% over 20 days. Past behaviour doesn’t guarantee future results.

Accumulation zone: Institutional interest building. About the five zones →

See every daily GekkoIndex reading plotted over the MLM price, zone by zone.Track MLM in Gekko

Is Martin Marietta Materials stock overvalued? Gekko Fair Value

Martin Marietta Materials trades 10.1% below Gekko Fair Value of $546.02, so the shares are undervalued on Gekko’s estimate.

Gekko’s own estimate of what Martin Marietta Materials shares are worth, recalculated every trading day.

$546.02

Gekko Fair Value, Sep 19, 2026

10.1% Undervalued

How Gekko Fair Value works →

Gekko Fair Value on every chart, with the gap to price updating daily.Open MLM in Gekko

Martin Marietta Materials insider and Congress trading

No open-market insider purchases were filed for Martin Marietta Materials, and members of Congress disclosed 4 purchases and 0 sales, in the last 90 days.

Plus buybacks, unusual options and fund positions, each dated to when it became public.

Insider buying last 90 days

No open-market insider purchases were filed for MLM in the last 90 days.

From Form 4 filings, dated to when each was filed.

Every MLM insider filing, plotted on the chart in Gekko.Open MLM in Gekko

Congress trades last 90 days

4trades disclosed: 4 purchases and 0 sales.

MemberTypeAmountDisclosed
April Delaney
House, MD, purchase
Purchase$1,001 - $15,000Sep 10
traded Aug 19
April McClain Delaney
House, MD, purchase
Purchase$15,001 - $50,000Aug 4
traded Jul 24
April McClain Delaney
House, MD, purchase
Purchase$1,001 - $15,000Aug 4
traded Jul 20
April McClain Delaney
House, MD, purchase
Purchase$1,001 - $15,000Aug 4
traded Jul 17

From congressional disclosures, which report amounts as ranges.

Buybacks

Martin Marietta Materials has been buying back its own shares.

Bought back, quarter ended Mar 31, 2026
$200.0M
As a share of market cap
0.68%
Trailing four quarters
$218.0M

From company filings.

Unusual options activity last 30 days

1signal, 100% of the flagged premium in calls.

Latest: Bullish flow on Sep 16, $1.48M in unusual premium.

Hedge funds and billionaires quarter ended Jun 30

4of the funds Gekko tracks hold MLM.

3added1opened0trimmed0sold out
Every signal with its contract, strike and premium, and which funds are on each side.Unlock in Gekko

Martin Marietta Materials earnings: next date and track record

Martin Marietta Materials reports on Nov 3, 2026 (44 days away), and beat the EPS estimate in 6 of its last 8 reports.

6 of 8reports beat the EPS estimate
±3%average move across the report
5 of 8reports followed by a gain

Share-price move across each report

+1.4%Oct ’24+0.5%Feb ’25+3.6%Apr ’25+2.2%Aug ’25−1.4%Nov ’25−6.8%Feb ’26+0.3%Apr ’26−7.8%Jul ’26

Last earnings call, Jul 30, 2026 AI summary

What they said
Martin Marietta reported a strong second quarter 2026 highlighted by record aggregate revenues and adjusted EBITDA driven by favorable infrastructure and heavy nonresidential demand, disciplined execution, and contributions from recent acquisitions. Core aggregates delivered record revenues of $1.5 billion (+16%), with organic shipments up 2.3% (61.6 million tons total, +17% including acquisitions). Organic ASP was +3.7% after mix adjustments, while headline ASP declined ~2% due to acquisition and geographic/product mix. Management completed the New Frontier Materials (NFM) acquisition in May and announced a transformational combination with Lhoist North America (LNA) to broaden the Specialties platform. Reported aggregates gross profit was reduced by a $52 million noncash inventory step-up charge and ~$42 million higher D&D&A; management expects most fair-value inventory impacts to be behind them and reported results to more closely reflect underlying economics in the back half. Specialties posted record quarterly revenues (~$152M) and gross profit (~$50M). Management reiterated the consolidated EBITDA range while raising revenue guidance (~+$140M at the midpoint) and emphasized strong execution, cost management, and integration discipline. They signaled conservative assumptions on elevated energy/diesel costs, provided detail on a $350M cash opportunity target (OpEx, working capital/inventory, sustaining CapEx) by exiting 2027, and noted CapEx guidance a little over $200M for the year. Demand indicators (data centers, power, warehousing, infrastructure) remain constructive, backlog and quoting activity are converting, and management expects program continuity for federal infrastructure funding (likely short-term extension then multiyear arrangement).
Guidance
Raised revenue guidance (approximately +$140 million at the midpoint). Consolidated EBITDA range reiterated (no change). Shipments are trending toward the high end of prior guidance (organic volumes YTD +4.3%). Organic ASP expected to be mid-single-digit (mid-single ZIP code) for remaining quarters on an organic basis; headline ASP will look lower in H2 due to full-period contribution from NFM (lower ASP). Contributions from NFM and Quikrete expected to realize midyear price increases (July 1 for Quikrete, Aug 1 for NFM). CapEx guide for 2026 approximately a little over $200 million (reduced vs. exit 2025). Targeting ~$350 million of additional cash generation by exit-2027 (OpEx, working capital/inventory, sustaining CapEx buckets). Specialties (Magnesia/Magnesia-related) run-rate: Q2 gross profit ~ $50M; management suggested modeling $50M per quarter for Q3 and Q4 as a reasonable assumption (implying an approach to a ~$200M annual run-rate of profitability at that run-rate).
Risks flagged
Elevated energy and diesel costs that pressure COGS and margins; weather-related shipment disruptions (notably Texas, North Carolina) can depress near-term volumes; acquisition-related dilution to headline ASP and noncash purchase accounting effects (inventory step-up, higher D&A) during transition; integration risk with large deals (LNA and NFM) and potential near-term operational/financial noise; macro and legislative uncertainty including timing/structure of federal infrastructure funding (risk of short-term CRs or delayed multiyear package); concentration risk in certain geographies (impacts from idiosyncratic weather/events).
ReportedEPSSurpriseRevenueSurpriseMove
Jul 30, 2026$5.00
est $4.62
+8.2%$1.95B
est $1.87B
+4.1%−7.8%
Apr 30, 2026$1.93
est $1.86
+3.9%$1.36B
est $1.31B
+3.7%+0.3%
Feb 11, 2026$4.62
est $4.84
−4.5%$1.53B
est $1.65B
−7.0%−6.8%
Nov 4, 2025$6.85
est $6.64
+3.2%$1.85B
est $2.07B
−10.7%−1.4%
Aug 7, 2025$5.43
est $5.31
+2.3%$1.81B
est $1.87B
−3.3%+2.2%
Apr 30, 2025$1.93
est $1.83
+5.3%$1.35B
est $1.36B
−0.3%+3.6%
Feb 12, 2025$4.81
est $4.56
+5.5%$1.63B
est $1.65B
−1.0%+0.5%
Oct 30, 2024$5.91
est $6.28
−5.9%$1.89B
est $1.93B
−2.1%+1.4%

“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.

Martin Marietta Materials stock forecast and analyst price targets

Analysts’ average 12-month price target for Martin Marietta Materials is $658.12, +34.1% from the last close, from 16 firms rating the stock in the last 90 days.

$658.12consensus 12-month target, +34.1% from the last close
Low $609High $720
Buy12
Hold4
Sell0

Each firm’s latest rating in the last 90 days: 16 firms.

Latest analyst actions

DateFirmRatingTargetvs price
Sep 18OppenheimerHold, maintained
Sep 11JefferiesBuy, maintained$720+46.7%
Sep 9Wells FargoBuy, upgraded$609+24.1%
Sep 2J.P. MorganBuy, upgraded$680+38.6%
Aug 28RBC CapitalHold, reiterated$620+26.4%
+0.3%average 20-day move after past Accumulation readings
+2.6%average move over the next 20 trading days in the last 5 years
±2.7%typical daily move, from the 14-day average range

Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.

Martin Marietta Materials seasonality: the next 20 trading days

Over the next 20 trading days from Sep 19, Martin Marietta Materials averaged +2.6% across the last 5 years, rising in 4 of them.

Next 20 trading days, by year

+9.1%2021−7.4%2022+3.4%2023+4.5%2024+1.1%2025

Average move and hit rate

WindowAverageYears higher
Next 5 trading days−1.2%2 of 5
Next 10 trading days−1.0%2 of 5
Next 15 trading days0.0%3 of 5
Next 20 trading days+2.6%4 of 5
Next 30 trading days+4.6%3 of 5

For scale, MLM’s typical 20-trading-day move in either direction is about 4.9%.

Martin Marietta Materials market cap and key statistics

Martin Marietta Materials’s market cap is $29.47B, with a P/E ratio of 31.9 and revenue of $6.69B over the last twelve months.

Valuation

Market cap
$29.47B
P/E ratio
31.9
Forward P/E
20.8
EPS, TTM
$15.38
Gekko Fair Value
$546.02

Trading

Volume
1.15M
Avg volume, 20 days
734,465
52-week high
$710.97
52-week low
$488.74
Shares outstanding
71.02M

Financials

Revenue, TTM
$6.69B
Profit margin
36.7%
Return on equity
8.9%
Quarterly earnings growth, YoY
−23.2%

Risk and income

Beta
1.10
Typical daily move
±2.7%
Typical 20-day move
±4.9%
Dividend yield
0.67%

Martin Marietta Materials stock news this week

Coverage of Martin Marietta Materials this week reads negative: 1 positive, 1 neutral and 2 negative headlines.

News sentiment negative

Martin Marietta Materials peers

Martin Marietta Materials’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.

StockTodayGekkoIndex zonevs Fair Value
CRHCRH+0.4%Accumulation29.7% below
VMCVulcan Materials−0.4%Buying11.1% below
AMRZAmrize−1.1%Buying36.2% below
JHXJames Hardie Industries−0.3%Buying9.2% below
ACAArcosa+0.3%Neutral24.7% above
EXPEagle Materials+0.2%Buying8.1% below

A peer links to its own page where one exists.

In the Buying zone today

Reporting earnings this week

Popular on Gekko

Martin Marietta Materials stock FAQ

What is Martin Marietta Materials’s market cap?

Martin Marietta Materials’s market cap is $29.47B at the Sep 18, 2026 close of $490.64, with 71.02M shares outstanding. The shares trade on a P/E ratio of 31.9.

What is the Martin Marietta Materials stock forecast?

The consensus analyst 12-month price target for Martin Marietta Materials is $658.12, +34.1% from the last close. Of the 16 firms that rated the stock in the last 90 days, 12 rate it a buy, 4 a hold and 0 a sell. Gekko doesn’t publish price predictions of its own.

Is Martin Marietta Materials stock overvalued or undervalued?

On Gekko’s estimate Martin Marietta Materials is undervalued: the Sep 18, 2026 close of $490.64 is 10.1% below Gekko Fair Value of $546.02. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.

When does Martin Marietta Materials report earnings next?

Martin Marietta Materials is expected to report on Nov 3, 2026 (44 days away). Analysts expect earnings of $6.57 per share on revenue of $2.17B. Martin Marietta Materials beat the earnings estimate in 6 of its last 8 reports, moving 3% on average across the report.

What is Martin Marietta Materials’s 52-week high and low?

Martin Marietta Materials’s 52-week high is $710.97 and its 52-week low is $488.74; it closed at $490.64 on Sep 18, 2026, −19.5% over the past year.

Is Martin Marietta Materials stock a buy right now?

Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 5 of the 6 items with data read as supportive (gekkoindex, fair value, smart money, earnings risk and seasonality) and 1 as a headwind (trend). The checklist is a description of current data, not a recommendation.

Is there unusual options activity in Martin Marietta Materials?

Gekko flagged 1 unusual options signal in Martin Marietta Materials over the last 30 days, with $1.48M of flagged premium in calls and $0 in puts. The latest, bullish flow, was on Sep 16, 2026 with $1.48M in unusual premium. The signal-by-signal table is in Gekko.

How this page works

Prices and signals update after every US market close; the GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →

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