Quality Investor

Martin Marietta Materials, Inc.

Rank #427Capital ReturnWatchlistCompare with other stocks

MLM · NYSE · Basic Materials

Martin Marietta Materials, Inc. (MLM) — Rank #427 by gross profitability (GP/assets 0.09) · ROE 9.8% · Piotroski F-Score 8 / 9.

As-of 2026-10-30 · CIK 0000916076 · all metrics point-in-time as of the filing date.

About

Martin Marietta Materials, Inc., a natural resource-based building materials company, supplies aggregates and heavy-side building materials to the construction industry in the United States and internationally.

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It operates through East Group and West Group segments. The company offers crushed stone, sand, and gravel products; ready mixed concrete and asphalt; and paving products and services for use in the infrastructure projects, and nonresidential and residential construction projects, as well as in the railroad, agricultural, utility, and environmental industries. It also produces magnesia-based chemicals products, and dolomitic lime primarily to customers for steel production and soil stabilization. Its chemical products are used in flame retardants, wastewater treatment, pulp and paper production, and other applications.

The company was founded in 1939 and is based in Raleigh, North Carolina.

Industry
Building Materials
Sector
Basic Materials
State
NC
Filer Category
Large accelerated filer
Fiscal Year End
December 31

Company Snapshot

P/E and reverse DCF are the primary valuation lenses at this stage.

Market Cap

—

P/E (annual)

—

P/S (annual)

—

P/B

—

P/OCF (annual)

—

Shareholder Yield

—

Employees

9,600

Industry

Building Materials

Exchange

NYSE

11/12

Flags passed

MLM fails 1 critical flag

Passes 11 of 12 quality flags

  • FAIL
    Operating margin declining

    Operating margin lower than prior year

  • PASS
    Gross margin holding
  • PASS
    Dilution within 2%
  • PASS
    FCF not negative from investment
  • PASS
    Disclosure consistent
  • PASS
    Revenue not declining
  • PASS
    Free cash flow intact
  • PASS
    Passes safety gate
  • PASS
    Balance sheet stable
  • PASS
    No competitive retreat
  • PASS
    SBC not compressing margin
  • PASS
    No valuation convergence

Strengths Revenue growth accelerating · Sequential beat (rev + EPS)

A count of the 12 warning flags that could be evaluated. Unweighted: colour follows the worst flag.

Quality Profile

Profitability

1/1 pass
GP / assets
0.09
Return on equity
9.8%
Gross margin trend
PASS

Safety

1/1 pass
Balance-sheet safety
PASS
Debt / equity
0.84
Current ratio
1.41×
Net cash
-$5.84B

Cash Flow

3/3 pass
Positive FCF
PASS
Cash-backed earnings
PASS
Accruals healthy
PASS
SBC / revenue
0.7%

Growth

2/2 pass
Revenue growth
8.6%
Piotroski F-Score
8 / 9
Share dilution
-1.6%

FCF yield, shareholder yield, and buyback activity are the primary reads at this stage.

Profitability

Does it make money well?

Warning: Operating margin declining · GP/assets 0.09

Gross profitability (GP / assets)

0.09

Primary signal (Novy-Marx).

5th of 6 SIC 1400 peers

Return on equity

9.8%

Gross margin

30.7%

4th of 6 SIC 1400 peers

Revenue growth (YoY)

8.6%

RPO growth (YoY)

-36.5%

Remaining performance obligations growth — RPO > revenue = forward demand building.

Gross margin improving

Margin trend vs prior year.

PASS

Operating Leverage

2022202320242025
Revenue vs COGS
Revenue vs OpEx
Op. Income vs Revenue

Growth

Revenue CAGR (3Y)

-0.1%

Revenue CAGR (5Y)

5.4%

Earnings CAGR (3Y)

9.5%

FCF CAGR (3Y)

21.9%

Cash Flow Health

Is the cash real?

No warning flags · FCF 44% above net income

Free cash flow

$1.64B

Operating cash flow minus capex.

Positive free cash flow

PASS

FCF vs net income

43.8%

(FCF − net income) ÷ |net income|. Positive: cash above earnings. Negative: below.

FCF not below net income

Fails when free cash flow is below net income (yellow flag).

PASS

Accruals healthy

Cash-backed earnings.

PASS

SBC / revenue

0.7%

Stock-based comp intensity.

Balance Sheet Strength

Can it survive a storm?

No warning flags · net debt $5.84B, F-Score 8/9

Balance-sheet safety

Composite anti-fragile check.

PASS

Debt / equity

0.84

5th of 6 SIC 1400 peers (best = lowest)

Current ratio

1.41×

6th of 6 SIC 1400 peers

Quick ratio

0.65×

Net cash

-$5.84B

Cash & equivalents minus total debt.

Piotroski F-Score

8 / 9

Fundamental-strength score (0-9).

Valuation

Is the price reasonable?

No warning flags

Dividend safety

Composite score

4.5 / 5

Strong
Payout ratio
17.3%5/5 Strong
FCF coverage
8.30×5/5 Strong
Dividend growth streak
9 yr4/5 Strong
Balance-sheet health
D/E 0.84 · IC 6.25×4/5 Strong

Capital allocation quality

Composite score

3.0 / 5

Good
Share count trend(net buybacks)
-1.6%3/5 Good
Buyback timing
N/AN/A
Dividend growth consistency
9 yr4/5 Strong
Net debt trajectory
-2.7%2/5 Fair

Lifecycle Phase History

20202025
Value
Capital Return

Price History

MLM+37.5% · +6.6% CAGRSPY+82.9% · +12.8% CAGR