WallStSmart

Berkshire Hathaway Inc (BRK-A)vsMizuho Financial Group Inc. (MFG)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Mizuho Financial Group Inc. generates 982% more annual revenue ($4.02T vs $371.44B). MFG leads profitability with a 26.1% profit margin vs 18.0%. MFG appears more attractively valued with a PEG of 0.86. MFG earns a higher WallStSmart Score of 74/100 (B).

BRK-A

Buy

53

out of 100

Grade: C-

Growth: 3.3Profit: 7.5Value: 4.7Quality: 8.0
Piotroski: 3/9Altman Z: 2.46

MFG

Strong Buy

74

out of 100

Grade: B

Growth: 8.0Profit: 7.5Value: 10.0Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

BRK-ASignificantly Overvalued (-134.1%)

Margin of Safety

-134.1%

Fair Value

$316589.98

Current Price

$718250.00

$401660.02 premium

UndervaluedFair: $316589.98Overvalued
MFGUndervalued (+42.4%)

Margin of Safety

+42.4%

Fair Value

$17.51

Current Price

$7.81

$9.70 discount

UndervaluedFair: $17.51Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

BRK-A6 strengths · Avg: 9.2/10
Market CapQuality
$1.04T10/10

Mega-cap, among the largest globally

Price/BookValuation
1.4x10/10

Reasonable price relative to book value

Operating MarginProfitability
33.0%10/10

Strong operational efficiency at 33.0%

Debt/EquityHealth
0.219/10

Conservative balance sheet, low leverage

P/E RatioValuation
15.5x8/10

Attractively priced relative to earnings

Free Cash FlowQuality
$4.99B8/10

Generating 5.0B in free cash flow

MFG6 strengths · Avg: 9.0/10
Price/BookValuation
0.3x10/10

Reasonable price relative to book value

Operating MarginProfitability
36.3%10/10

Strong operational efficiency at 36.3%

Market CapQuality
$92.84B9/10

Large-cap with strong market position

Profit MarginProfitability
26.1%9/10

Keeps 26 of every $100 in revenue as profit

PEG RatioValuation
0.868/10

Growing faster than its price suggests

P/E RatioValuation
14.3x8/10

Attractively priced relative to earnings

Areas to Watch

BRK-A4 concerns · Avg: 2.3/10
Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

PEG RatioValuation
9.682/10

Expensive relative to growth rate

Revenue GrowthGrowth
-0.7%2/10

Revenue declined 0.7%

EPS GrowthGrowth
-2.5%2/10

Earnings declined 2.5%

MFG0 concerns · Avg: 0/10

No major concerns identified

Comparative Analysis Report

WallStSmart Research

Bull Case : BRK-A

The strongest argument for BRK-A centers on Market Cap, Price/Book, Operating Margin. Profitability is solid with margins at 18.0% and operating margin at 33.0%.

Bull Case : MFG

The strongest argument for MFG centers on Price/Book, Operating Margin, Market Cap. Profitability is solid with margins at 26.1% and operating margin at 36.3%. PEG of 0.86 suggests the stock is reasonably priced for its growth.

Bear Case : BRK-A

The primary concerns for BRK-A are Piotroski F-Score, PEG Ratio, Revenue Growth.

Bear Case : MFG

No major red flags identified for MFG, but monitor valuation.

Key Dynamics to Monitor

BRK-A profiles as a declining stock while MFG is a mature play — different risk/reward profiles.

BRK-A carries more volatility with a beta of 0.69 — expect wider price swings.

MFG is growing revenue faster at 5.5% — sustainability is the question.

Monitor INSURANCE - DIVERSIFIED industry trends, competitive dynamics, and regulatory changes.

Bottom Line

MFG scores higher overall (74/100 vs 53/100), backed by strong 26.1% margins. Both earn "Strong 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.

Berkshire Hathaway Inc

FINANCIAL SERVICES · INSURANCE - DIVERSIFIED · USA

Berkshire Hathaway Inc. is an American multinational conglomerate holding company headquartered in Omaha, Nebraska, United States. The company wholly owns GEICO, Duracell, Dairy Queen, BNSF, Lubrizol, Fruit of the Loom, Helzberg Diamonds, Long & Foster, FlightSafety International, Pampered Chef, Forest River, and NetJets, and also owns 38.6% of Pilot Flying J; and significant minority holdings in public companies Kraft Heinz Company (26.7%), American Express (18.8%), The Coca-Cola Company (9.32%), Bank of America (11.9%), and Apple (6.3%).

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Mizuho Financial Group Inc.

FINANCIAL SERVICES · BANKS - REGIONAL · USA

Mizuho Financial Group, Inc. engages in banking, trusts, securities and other businesses related to financial services in Japan, America, Europe, Asia / Oceania and internationally. The company is headquartered in Tokyo, Japan.

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