WallStSmart

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

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Mizuho Financial Group Inc. generates 1132% more annual revenue ($4.74T vs $384.69B). MFG leads profitability with a 29.1% profit margin vs 22.3%. MFG appears more attractively valued with a PEG of 1.61. MFG earns a higher WallStSmart Score of 82/100 (A-).

BRK-B

Strong Buy

74

out of 100

Grade: B

Growth: 7.3Profit: 7.5Value: 5.0Quality: 8.0
Piotroski: 3/9Altman Z: 2.59

MFG

Exceptional Buy

82

out of 100

Grade: A-

Growth: 10.0Profit: 7.5Value: 5.7Quality: 4.0
Piotroski: 6/9Altman Z: 0.29

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

BRK-B6 strengths · Avg: 9.7/10
Market CapQuality
$1.09T10/10

Mega-cap, among the largest globally

Price/BookValuation
0.0x10/10

Reasonable price relative to book value

Operating MarginProfitability
32.6%10/10

Strong operational efficiency at 32.6%

EPS GrowthGrowth
107.8%10/10

Earnings expanding 107.8% YoY

Profit MarginProfitability
22.3%9/10

Keeps 22 of every $100 in revenue as profit

Debt/EquityHealth
0.179/10

Conservative balance sheet, low leverage

MFG6 strengths · Avg: 9.0/10
Operating MarginProfitability
46.7%10/10

Strong operational efficiency at 46.7%

Revenue GrowthGrowth
35.0%10/10

Revenue surging 35.0% year-over-year

Market CapQuality
$132.41B9/10

Large-cap with strong market position

Profit MarginProfitability
29.1%9/10

Keeps 29 of every $100 in revenue as profit

P/E RatioValuation
15.2x8/10

Attractively priced relative to earnings

Price/BookValuation
1.8x8/10

Reasonable price relative to book value

Areas to Watch

BRK-B2 concerns · Avg: 2.5/10
Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

PEG RatioValuation
10.062/10

Expensive relative to growth rate

MFG3 concerns · Avg: 2.3/10
PEG RatioValuation
1.614/10

Expensive relative to growth rate

Altman Z-ScoreHealth
0.292/10

Distress zone — elevated risk

Debt/EquityHealth
5.911/10

Elevated debt levels

Comparative Analysis Report

WallStSmart Research

Bull Case : BRK-B

The strongest argument for BRK-B centers on Market Cap, Price/Book, Operating Margin. Profitability is solid with margins at 22.3% and operating margin at 32.6%.

Bull Case : MFG

The strongest argument for MFG centers on Operating Margin, Revenue Growth, Market Cap. Profitability is solid with margins at 29.1% and operating margin at 46.7%. Revenue growth of 35.0% demonstrates continued momentum.

Bear Case : BRK-B

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

Bear Case : MFG

The primary concerns for MFG are PEG Ratio, Altman Z-Score, Debt/Equity. Debt-to-equity of 5.91 is elevated, increasing financial risk.

Key Dynamics to Monitor

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

BRK-B carries more volatility with a beta of 0.60 — expect wider price swings.

MFG is growing revenue faster at 35.0% — sustainability is the question.

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

Bottom Line

MFG scores higher overall (82/100 vs 74/100), backed by strong 29.1% margins and 35.0% revenue growth. Both earn "Exceptional Buy" and "Strong 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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