WallStSmart

Berkshire Hathaway Inc (BRK-B)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Berkshire Hathaway Inc generates 3088% more annual revenue ($375.39B vs $11.78B). WDC leads profitability with a 55.3% profit margin vs 19.3%. WDC appears more attractively valued with a PEG of 0.87. WDC earns a higher WallStSmart Score of 79/100 (B+).

BRK-B

Buy

62

out of 100

Grade: C+

Growth: 6.7Profit: 6.5Value: 5.0Quality: 8.0
Piotroski: 3/9Altman Z: 2.59

WDC

Strong Buy

79

out of 100

Grade: B+

Growth: 7.3Profit: 9.5Value: 6.3Quality: 5.0

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

BRK-B6 strengths · Avg: 9.2/10
Market CapQuality
$1.02T10/10

Mega-cap, among the largest globally

Price/BookValuation
0.0x10/10

Reasonable price relative to book value

EPS GrowthGrowth
119.6%10/10

Earnings expanding 119.6% YoY

Debt/EquityHealth
0.199/10

Conservative balance sheet, low leverage

P/E RatioValuation
15.2x8/10

Attractively priced relative to earnings

Free Cash FlowQuality
$5.45B8/10

Generating 5.5B in free cash flow

WDC6 strengths · Avg: 9.8/10
Return on EquityProfitability
85.9%10/10

Every $100 of equity generates 86 in profit

Profit MarginProfitability
55.3%10/10

Keeps 55 of every $100 in revenue as profit

Operating MarginProfitability
37.0%10/10

Strong operational efficiency at 37.0%

Revenue GrowthGrowth
45.5%10/10

Revenue surging 45.5% year-over-year

EPS GrowthGrowth
477.2%10/10

Earnings expanding 477.2% YoY

Market CapQuality
$152.47B9/10

Large-cap with strong market position

Areas to Watch

BRK-B3 concerns · Avg: 3.0/10
Revenue GrowthGrowth
4.4%4/10

4.4% revenue growth

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

PEG RatioValuation
10.062/10

Expensive relative to growth rate

WDC2 concerns · Avg: 3.0/10
P/E RatioValuation
25.8x4/10

Moderate valuation

Price/BookValuation
21.2x2/10

Trading at 21.2x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : BRK-B

The strongest argument for BRK-B centers on Market Cap, Price/Book, EPS Growth. Profitability is solid with margins at 19.3% and operating margin at 14.3%.

Bull Case : WDC

The strongest argument for WDC centers on Return on Equity, Profit Margin, Operating Margin. Profitability is solid with margins at 55.3% and operating margin at 37.0%. Revenue growth of 45.5% demonstrates continued momentum.

Bear Case : BRK-B

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

Bear Case : WDC

The primary concerns for WDC are P/E Ratio, Price/Book.

Key Dynamics to Monitor

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

WDC carries more volatility with a beta of 2.16 — expect wider price swings.

WDC is growing revenue faster at 45.5% — sustainability is the question.

BRK-B generates stronger free cash flow (5.5B), providing more financial flexibility.

Bottom Line

WDC scores higher overall (79/100 vs 62/100), backed by strong 55.3% margins and 45.5% revenue growth. 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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Western Digital Corporation

TECHNOLOGY · COMPUTER HARDWARE · USA

Western Digital Corporation (WDC, commonly known as Western Digital or WD) is an American computer hard disk drive manufacturer and data storage company, headquartered in San Jose, California. It designs, manufactures and sells data technology products, including storage devices, data center systems and cloud storage services.

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