WallStSmart

Mesabi Trust (MSB)vsRio Tinto ADR (RIO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Rio Tinto ADR generates 410892% more annual revenue ($61.79B vs $15.04M). MSB leads profitability with a 75.3% profit margin vs 19.6%. RIO trades at a lower P/E of 14.2x. RIO earns a higher WallStSmart Score of 64/100 (C+).

MSB

Hold

45

out of 100

Grade: D

Growth: 4.7Profit: 10.0Value: 5.3Quality: 6.0
Piotroski: 3/9

RIO

Buy

64

out of 100

Grade: C+

Growth: 7.3Profit: 9.0Value: 6.0Quality: 5.5
Piotroski: 1/9Altman Z: 2.03
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for MSB.

RIOUndervalued (+29.3%)

Margin of Safety

+29.3%

Fair Value

$138.69

Current Price

$104.78

$33.91 discount

UndervaluedFair: $138.69Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MSB3 strengths · Avg: 10.0/10
Return on EquityProfitability
68.0%10/10

Every $100 of equity generates 68 in profit

Profit MarginProfitability
75.3%10/10

Keeps 75 of every $100 in revenue as profit

Operating MarginProfitability
48.4%10/10

Strong operational efficiency at 48.4%

RIO6 strengths · Avg: 8.5/10
Return on EquityProfitability
34.1%10/10

Every $100 of equity generates 34 in profit

Market CapQuality
$173.71B9/10

Large-cap with strong market position

P/E RatioValuation
14.2x8/10

Attractively priced relative to earnings

Price/BookValuation
2.6x8/10

Reasonable price relative to book value

Operating MarginProfitability
28.1%8/10

Strong operational efficiency at 28.1%

Revenue GrowthGrowth
15.5%8/10

15.5% revenue growth

Areas to Watch

MSB4 concerns · Avg: 3.5/10
P/E RatioValuation
26.5x4/10

Moderate valuation

Price/BookValuation
16.9x4/10

Trading at 16.9x book value

Market CapQuality
$304.25M3/10

Smaller company, higher risk/reward

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

RIO2 concerns · Avg: 2.5/10
Piotroski F-ScoreQuality
1/93/10

Weak financial health signals

PEG RatioValuation
5.692/10

Expensive relative to growth rate

Comparative Analysis Report

WallStSmart Research

Bull Case : MSB

The strongest argument for MSB centers on Return on Equity, Profit Margin, Operating Margin. Profitability is solid with margins at 75.3% and operating margin at 48.4%.

Bull Case : RIO

The strongest argument for RIO centers on Return on Equity, Market Cap, P/E Ratio. Profitability is solid with margins at 19.6% and operating margin at 28.1%. Revenue growth of 15.5% demonstrates continued momentum.

Bear Case : MSB

The primary concerns for MSB are P/E Ratio, Price/Book, Market Cap.

Bear Case : RIO

The primary concerns for RIO are Piotroski F-Score, PEG Ratio.

Key Dynamics to Monitor

MSB profiles as a declining stock while RIO is a growth play — different risk/reward profiles.

RIO carries more volatility with a beta of 0.66 — expect wider price swings.

RIO is growing revenue faster at 15.5% — sustainability is the question.

RIO generates stronger free cash flow (3.2B), providing more financial flexibility.

Bottom Line

RIO scores higher overall (64/100 vs 45/100), backed by strong 19.6% margins and 15.5% revenue growth. Both earn "Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.

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

Mesabi Trust

BASIC MATERIALS · STEEL · USA

Mesabi Trust, a royalty trust, is in the iron ore mining business in the United States. The company is headquartered in New York, New York.

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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