WallStSmart

Gilead Sciences Inc (GILD)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Gilead Sciences Inc generates 150% more annual revenue ($29.44B vs $11.78B). WDC leads profitability with a 55.3% profit margin vs 28.9%. GILD appears more attractively valued with a PEG of 0.37. WDC earns a higher WallStSmart Score of 79/100 (B+).

GILD

Strong Buy

72

out of 100

Grade: B

Growth: 5.3Profit: 9.5Value: 8.7Quality: 5.5
Piotroski: 6/9

WDC

Strong Buy

79

out of 100

Grade: B+

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

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

GILDUndervalued (+43.9%)

Margin of Safety

+43.9%

Fair Value

$236.66

Current Price

$132.69

$103.97 discount

UndervaluedFair: $236.66Overvalued

Intrinsic value data unavailable for WDC.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

GILD6 strengths · Avg: 9.3/10
PEG RatioValuation
0.3710/10

Growing faster than its price suggests

Return on EquityProfitability
40.7%10/10

Every $100 of equity generates 41 in profit

Operating MarginProfitability
37.4%10/10

Strong operational efficiency at 37.4%

Market CapQuality
$163.40B9/10

Large-cap with strong market position

Profit MarginProfitability
28.9%9/10

Keeps 29 of every $100 in revenue as profit

EPS GrowthGrowth
23.4%8/10

Earnings expanding 23.4% YoY

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

GILD1 concerns · Avg: 4.0/10
Revenue GrowthGrowth
4.7%4/10

4.7% revenue growth

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 : GILD

The strongest argument for GILD centers on PEG Ratio, Return on Equity, Operating Margin. Profitability is solid with margins at 28.9% and operating margin at 37.4%. PEG of 0.37 suggests the stock is reasonably priced for its growth.

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 : GILD

The primary concerns for GILD are Revenue Growth.

Bear Case : WDC

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

Key Dynamics to Monitor

GILD 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.

GILD generates stronger free cash flow (3.1B), providing more financial flexibility.

Bottom Line

WDC scores higher overall (79/100 vs 72/100), backed by strong 55.3% margins and 45.5% revenue growth. GILD offers better value entry with a 43.9% margin of safety. Both earn "Strong 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.

Gilead Sciences Inc

HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA

Gilead Sciences, Inc. is an American biopharmaceutical company headquartered in Foster City, California, that focuses on researching and developing antiviral drugs used in the treatment of HIV, hepatitis B, hepatitis C, and influenza, including Harvoni and Sovaldi.

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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