WallStSmart

Martin Marietta Materials Inc (MLM)vsRio Tinto ADR (RIO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Rio Tinto ADR generates 837% more annual revenue ($57.64B vs $6.15B). MLM leads profitability with a 18.5% profit margin vs 17.3%. MLM appears more attractively valued with a PEG of 3.14. RIO earns a higher WallStSmart Score of 54/100 (C-).

MLM

Buy

51

out of 100

Grade: C-

Growth: 4.0Profit: 7.0Value: 3.7Quality: 6.8
Piotroski: 4/9

RIO

Buy

54

out of 100

Grade: C-

Growth: 4.0Profit: 8.0Value: 5.3Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for MLM.

RIOUndervalued (+14.1%)

Margin of Safety

+14.1%

Fair Value

$114.19

Current Price

$100.48

$13.71 discount

UndervaluedFair: $114.19Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MLM1 strengths · Avg: 8.0/10
Operating MarginProfitability
23.1%8/10

Strong operational efficiency at 23.1%

RIO5 strengths · Avg: 8.2/10
Market CapQuality
$163.40B9/10

Large-cap with strong market position

P/E RatioValuation
16.5x8/10

Attractively priced relative to earnings

Price/BookValuation
2.6x8/10

Reasonable price relative to book value

Operating MarginProfitability
25.3%8/10

Strong operational efficiency at 25.3%

Free Cash FlowQuality
$2.53B8/10

Generating 2.5B in free cash flow

Areas to Watch

MLM3 concerns · Avg: 2.7/10
P/E RatioValuation
37.3x4/10

Premium valuation, high expectations priced in

PEG RatioValuation
3.142/10

Expensive relative to growth rate

EPS GrowthGrowth
-4.1%2/10

Earnings declined 4.1%

RIO2 concerns · Avg: 2.0/10
PEG RatioValuation
5.692/10

Expensive relative to growth rate

EPS GrowthGrowth
-5.6%2/10

Earnings declined 5.6%

Comparative Analysis Report

WallStSmart Research

Bull Case : MLM

The strongest argument for MLM centers on Operating Margin. Profitability is solid with margins at 18.5% and operating margin at 23.1%.

Bull Case : RIO

The strongest argument for RIO centers on Market Cap, P/E Ratio, Price/Book. Profitability is solid with margins at 17.3% and operating margin at 25.3%. Revenue growth of 14.6% demonstrates continued momentum.

Bear Case : MLM

The primary concerns for MLM are P/E Ratio, PEG Ratio, EPS Growth.

Bear Case : RIO

The primary concerns for RIO are PEG Ratio, EPS Growth.

Key Dynamics to Monitor

MLM carries more volatility with a beta of 1.19 — expect wider price swings.

RIO is growing revenue faster at 14.6% — sustainability is the question.

RIO generates stronger free cash flow (2.5B), providing more financial flexibility.

Monitor BUILDING MATERIALS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

RIO scores higher overall (54/100 vs 51/100), backed by strong 17.3% margins and 14.6% revenue growth. Both earn "Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Martin Marietta Materials Inc

BASIC MATERIALS · BUILDING MATERIALS · USA

Martin Marietta Materials, Inc. is an American-based company. The company is a supplier of aggregates and heavy building materials, with operations spanning 26 states, Canada and the Caribbean. In particular, Martin Marietta supplies the resources for roads, sidewalks and foundations.

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Rio Tinto ADR

BASIC MATERIALS · OTHER INDUSTRIAL METALS & MINING · USA

Rio Tinto Group is dedicated to the exploration, extraction and processing of mineral resources worldwide. The company is headquartered in London, the United Kingdom.

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