MARTIN MARIETTA MATERIALS INC (MLM): what the price assumes

In the published model solve dated 2026-Q2, anchored at $531.05, MARTIN MARIETTA MATERIALS INC (MLM) is priced for +24.1% growth. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. Narrative composed 2026-06-27.

Generated: 2026-08-30 · Source: https://boothcheck.com/report/MLM

Headline

FieldValue
TickerMLM
CompanyMARTIN MARIETTA MATERIALS INC
Current price$531.05/sh
CompositionAggregates 81% / Other Building Materials 16% / Less: interproduct revenues -5% / Specialties 7%

What The Price Assumes (Inversion)

The assumption today's price embeds, recovered by inverting the valuation.

FieldValue
Inversion basiswhole-company
Operating margin (value-band context)20.7%
Operating margin today20.6%
Margin expansion (value-band)+0.1pp
Implied growth24.1%
Multiple paid28x operating income

The operating-margin figure is value-band context at year 12: derived from the framework's value band, a separate calculation — not part of the priced-in solve.

Solve inputs: computed at a 8.9% cost of capital with 4% terminal growth over a 5-year stage.

How unusual the bet is: elevated (limited comparison data)

ReferenceValue
vs own history+0.41σ
cohort percentile (of 78 peers)78

Valuation X-Ray

Asset, earnings-power and peer-multiple models all land far below the price; ONLY the growth-DCF reaches it. The bet is durable compounding the static frames structurally cannot price (a moat/durability premium).

How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.

FamilyMedian price/FVModelsReads
Asset2.45x5expensive
Earnings3.10x4expensive
Relative1.52x2expensive
Growth0.99x3justifies

Families that justify the price: Growth Families that call it expensive: Asset, Earnings, Relative

The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 7.7%); the inversion above states its own rate.

Per-Model Detail (n=14)

ModelFamilyFVPrice/FVApplicableMethodology
DCF Perpetual GrowthGrowth$368.071.44xyesFCF base $0.8B, growth 15% (input: historical growth), terminal g 4.0%, WACC 7.7%, 5yr projection
DCF Exit MultipleGrowth$656.410.81xyesExit EV/EBITDA: 21.2x / 26.2x / 31.2x (bear / base = today's held flat / bull), 5yr
Relative ValuationRelativenoP/E 18.06x (blended: static sector reference 14x + trailing (TTM) 28x), scenarios: 13.5x / 18.1x / 21.7x (bear / base = reference held flat / bull), EV/EBITDA 13.47x
Simple DDMGrowthno
Two-Stage DDMGrowthno
Simple Excess ReturnAsset$208.422.55xyesBV/sh $192.22, ROE (TTM) 10.0%, ke 9.3%
Two-Stage Excess ReturnAsset$216.782.45xyes5yr excess ROE then converge to ke=9.3%
Discounted Future Market CapGrowth$533.880.99xyesRev $6.7B, growth 15% (input: historical growth; tapered), Terminal P/S: 3.6x / 4.8x / 5.7x (bear / base = today's held flat / bull, cap 6x)
Peter Lynch Fair ValueRelative$229.842.31xyesEPS $19.15, growth 2% (input: historical EPS growth), PEG=13.78 (Overvalued)
Margin TrajectoryGrowthno
Earnings Power ValueEarnings$145.893.64xyesNormalized EBIT (5y avg op income, one-time charges added back) $1.50B × (1−20%) / WACC 7.7% → EPV (no growth)
Residual IncomeAsset$218.302.43xyesBV $192.22 + 5yr PV of (ROE (TTM) 10.0% − Kₑ 9.3%) × BV; BV grows 6.5%/yr
Graham NumberAsset$287.811.85xyes√(22.5 × EPS $19.15 × BVPS $192.22) — Graham's conservative floor
EV/EBITDA RelativeRelativenoEBITDA $1.49B × sector EV/EBITDA 8.0x
FCF YieldEarnings$27.7019.17xyesFCF $810.0M / Kₑ 9.3% — zero-growth perpetuity
SBC-Adj FCF YieldEarnings$18.7028.40xyesSBC-adj FCF $0.76B (FCF $0.81B − SBC $0.05B) capitalized at Kₑ (excluded from median)
Ben Graham FormulaEarnings$618.000.86xyesEPS $19.15 × (8.5 + 2×15.0%) × (4.4 / 5.3%)
ROIC-Justified P/BAsset$40.0313.27xyesBV $192.22 × (ROIC 1.6% / WACC 7.7%)
P/Sales SectorRelativenoRevenue $6.69B × sector P/S 1.5x
PEG Fair ValueRelative$718.240.74xyesEPS $19.15 × (PEG 1.5 × growth 25.0% (input: historical EPS growth)) → PE 37.5x
Earnings YieldEarnings$207.062.56xyesEPS $19.15 / required return 9.3% (Rf 4.3% + ERP 5.0%)
Funds From Operations MultipleRelativeno
Clinical Phase NPVGrowthno
MertonAssetno
V5 Mechanicalno

Economic-Unit Decomposition (Sum Of The Parts)

One or more material disclosed units has unresolved economics. Unknown/general is not evidence of homogeneity: segment SOTP is primary but incomplete, consolidated cash flow may remain only a secondary cross-check when every unit shares an enterprise basis, and one sector multiple or target margin is withheld.

UnitRoleValuation basisRevenueReported profitValue evidenceStatus
East Groupoperatingenterprise$3.2b$992.0m operating-incomewithheldunresolved no unit value
West Groupoperatingenterprise$2.5b$455.0m operating-incomewithheldunresolved no unit value
Specialtiesoperatingenterprise$441.0m$110.0m operating-incomewithheldunresolved no unit value

No total common-equity value is stated. One or more material units lack a supported unit value. The displayed values are an indicative subtotal; consolidated debt and cash cannot be applied to a fraction of the company.

Solvency

FieldValue
Net debt$6.1b
Net debt / NOPAT (after-tax)5.57x
Net debt / operating income (pre-tax)4.45x
Interest coverage5.9x
Share count CAGR (buyback)-0.9%
Burning cashno

Bullet Takeaways

Bull Case

Where the price sits against the methods tells you what kind of bet this is. Only the growth-based cash-flow method reaches $609.13 (June 27, 2026); the asset-value, earnings-power, and peer-multiple lenses all say the stock is richly valued. That pattern is the signature of a durability premium, the kind of value the static frames cannot price because they capitalize this year's profit rather than the decades of pricing power an aggregates franchise compounds. For Martin Marietta, that premium is more defensible than for most companies the market prices this way, because the moat is physical and local.

Aggregates are the cheapest material in construction by the ton and among the most expensive to transport, so a quarry sells mostly to customers within a short haul. That gives each pit something close to local pricing power: a competitor cannot economically truck stone across the state to undercut it. The company describes the economics directly, noting that low-capacity utilization hurts results while high utilization provides "a high degree of operating leverage," and that management expects "future organic profit growth to result from increased pricing, commercialization of new products." Pricing-led growth is the holy grail of a materials business, because it drops to the bottom line without the volume risk, and Martin Marietta has demonstrated it year after year.

The first quarter showed the model firing on both cylinders. Revenue rose 17% to a record $1.4 billion, adjusted EBITDA and adjusted EPS each climbed 14%, and organic aggregates shipments grew 7.2%, meaningfully ahead of guidance, on an early construction season and strength in infrastructure and heavy nonresidential work. The demand drivers are unusually durable for a cyclical: federally funded infrastructure, plus the aggregates-intensive build-out of data centers, power generation, and Gulf Coast LNG. The bull case is that these structural tailwinds keep volumes firm while local pricing power keeps lifting the per-ton margin, and that the combination, applied to a finite, hard-to-permit reserve base, is exactly the durable compounding the price is paying for.

Bear Case

The competitive frame is where the premium gets tested. Martin Marietta is not alone at the top of the aggregates market; Vulcan Materials is the other scaled national producer, and the two compete for the same large acquisitions, the same permits, and the same blue-chip infrastructure and data-center projects. The local-monopoly story is real for any single quarry, but at the corporate level the growth strategy depends on buying more reserves, and the 10-K is candid that the business "depends on identifying, acquiring, permitting and developing quality aggregates reserves." When two well-capitalized buyers chase a finite supply of permittable quarries, prices for those assets rise, and a growth model built on acquisitions gets more expensive to sustain precisely as the stock prices it as a sure thing.

Then there is the cyclicality the premium tends to wave away. A meaningful share of demand is tied to residential and broader construction, and the 10-K warns that the business "may experience declines from sustained high or rising interest rates and cost increases," singling out residential as rate-sensitive. Aggregates volumes are also exposed to weather and to the timing of public budgets, which can "reduce, defer, cap, suspend, or reprioritize transportation spending." The current strength leans heavily on infrastructure funding and a data-center build-out; both are policy- and capital-cycle dependent, and both can slow.

The valuation magnifies every one of these risks. At roughly thirty-five times operating income, the multiple sits at the very top of the peer distribution, well beyond the upper quartile, and to grow into it the company must hold a near-ceiling growth rate for about seven years, something only about 22% of comparable fast-growers have done. Net debt of around $5.3 billion at nearly four times operating income is manageable but not trivial, and it tightens if a downcycle compresses the earnings the multiple rests on. The bear case is not that the aggregates moat is fake; it is that a great business priced for seven years of uninterrupted, top-of-peer execution leaves no margin for the cyclical, competitive, and funding frictions that the industry has always had.

Valuation

The bet in the price is demanding and specific. At $609.13 the market is paying about thirty-five times trailing operating income, which inverts to the company holding a near-ceiling growth rate for roughly seven years. The growth rate is within what Martin Marietta has recently delivered; the stretch is the duration and the fact that the multiple sits at the very top of the aggregates peer group, well past the upper quartile. The price is not betting on a recovery or a turnaround. It is betting that a premium franchise stays premium and keeps executing at the high end for the better part of a decade.

The methods make the shape of that bet clear. Only the growth-based cash-flow lens reaches the price; asset value, earnings power, and peer multiples all land well below it. This is the durability-premium pattern, and the reason the static frames cannot capture it is structural: they value the current profit, while the price values the irreplaceable, hard-to-permit reserve base and the local pricing power that compounds over decades. The honest reading is that the premium is partly earned, the aggregates moat is one of the most durable in industrials, and partly a function of the market crowding into a high-quality cyclical at a cyclical and thematic high, with infrastructure and data-center demand pulling the multiple to its ceiling.

Solvency is sound but is not a free option here. Net debt of about $5.3 billion sits at roughly four times trailing operating income on a pre-tax basis, with interest coverage above six times, comfortable for a company generating over a billion dollars of free cash flow, but real leverage that the acquisition-led growth strategy keeps utilizing. The dividend is modest and the share count is roughly flat, so the capital story is reinvestment and acquisition rather than heavy return. The decisive question for the valuation is duration, not solvency: whether the structural demand from infrastructure, data centers, and energy keeps aggregates volumes firm long enough, and whether local pricing power keeps lifting the per-ton margin, for the seven-year run the price already assumes. At a top-of-peer multiple, that question carries little room to be answered the wrong way.

Catalysts

Martin Marietta's first quarter of 2026 was a record and the stock responded, rising on the print. Revenue grew 17% to $1.4 billion, adjusted EBITDA and adjusted diluted EPS each rose 14%, and organic aggregates shipments climbed 7.2%, meaningfully ahead of guidance, on an early construction season in the Midwest and Colorado and continued strength in infrastructure and heavy nonresidential demand. The company reaffirmed full-year 2026 revenue guidance of $7.0 billion to $7.32 billion and continued to reshape its portfolio through aggregates acquisitions.

The forward catalysts are unusually thematic for a materials company. Heavy nonresidential demand is being driven by data-center and power-generation construction, with aggregates-intensive LNG work along the Gulf Coast adding momentum, and federally funded infrastructure provides a multi-year base of public demand. The watch items on the other side are the timing and stability of public transportation budgets, the rate-sensitive residential end market, and weather, all of which can defer volumes. The pricing trajectory in aggregates is the single most important number to track, since pricing-led margin gains are what justify the premium multiple, and any deceleration there would weigh directly on the thesis.

Peer Cohorts (Per Segment, With Filing Citations)

East Group / West Group (reported)

Specialties (reported)

Methodology Note

Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.

Sources

Martin Marietta Q1 2026 results, 2026 · Martin Marietta FY2025 10-K

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