WallStSmart

Berkshire Hathaway Inc (BRK-B)vsSeagate Technology PLC (STX)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Berkshire Hathaway Inc generates 3593% more annual revenue ($371.44B vs $10.06B). STX leads profitability with a 19.6% profit margin vs 18.0%. STX appears more attractively valued with a PEG of 0.67. STX earns a higher WallStSmart Score of 72/100 (B).

BRK-B

Buy

54

out of 100

Grade: C-

Growth: 3.3Profit: 7.5Value: 4.7Quality: 8.5
Piotroski: 4/9Altman Z: 2.49

STX

Strong Buy

72

out of 100

Grade: B

Growth: 6.7Profit: 9.0Value: 8.7Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

BRK-BSignificantly Overvalued (-134.4%)

Margin of Safety

-134.4%

Fair Value

$211.00

Current Price

$480.94

$269.94 premium

UndervaluedFair: $211.00Overvalued
STXUndervalued (+1.9%)

Margin of Safety

+1.9%

Fair Value

$415.12

Current Price

$411.23

$3.89 discount

UndervaluedFair: $415.12Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

BRK-B6 strengths · Avg: 9.2/10
Market CapQuality
$1.06T10/10

Mega-cap, among the largest globally

Price/BookValuation
0.0x10/10

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
15.9x8/10

Attractively priced relative to earnings

Free Cash FlowQuality
$4.99B8/10

Generating 5.0B in free cash flow

STX6 strengths · Avg: 8.7/10
EPS GrowthGrowth
67.7%10/10

Earnings expanding 67.7% YoY

Market CapQuality
$97.36B9/10

Large-cap with strong market position

Return on EquityProfitability
22.1%9/10

Every $100 of equity generates 22 in profit

PEG RatioValuation
0.678/10

Growing faster than its price suggests

Operating MarginProfitability
29.9%8/10

Strong operational efficiency at 29.9%

Revenue GrowthGrowth
21.5%8/10

Revenue surging 21.5% year-over-year

Areas to Watch

BRK-B3 concerns · Avg: 2.0/10
PEG RatioValuation
10.062/10

Expensive relative to growth rate

Revenue GrowthGrowth
-70.0%2/10

Revenue declined 70.0%

EPS GrowthGrowth
-2.5%2/10

Earnings declined 2.5%

STX2 concerns · Avg: 2.0/10
P/E RatioValuation
49.0x2/10

Premium valuation, high expectations priced in

Price/BookValuation
195.8x2/10

Trading at 195.8x book value

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 18.0% and operating margin at 33.0%.

Bull Case : STX

The strongest argument for STX centers on EPS Growth, Market Cap, Return on Equity. Profitability is solid with margins at 19.6% and operating margin at 29.9%. Revenue growth of 21.5% demonstrates continued momentum.

Bear Case : BRK-B

The primary concerns for BRK-B are PEG Ratio, Revenue Growth, EPS Growth.

Bear Case : STX

The primary concerns for STX are P/E Ratio, Price/Book. A P/E of 49.0x leaves little room for execution misses.

Key Dynamics to Monitor

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

STX carries more volatility with a beta of 1.65 — expect wider price swings.

STX is growing revenue faster at 21.5% — sustainability is the question.

BRK-B generates stronger free cash flow (5.0B), providing more financial flexibility.

Bottom Line

STX scores higher overall (72/100 vs 54/100), backed by strong 19.6% margins and 21.5% 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%).

Seagate Technology PLC

TECHNOLOGY · COMPUTER HARDWARE · USA

Seagate Technology Holdings plc, an Irish public limited company (commonly referred to as Seagate) is an American data storage company.

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