WallStSmart

Pfizer Inc (PFE)vsWest Pharmaceutical Services Inc (WST)

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Smart Verdict

WallStSmart Research — data-driven comparison

Pfizer Inc generates 1866% more annual revenue ($63.32B vs $3.22B). WST leads profitability with a 16.9% profit margin vs 11.8%. WST appears more attractively valued with a PEG of 2.89. WST earns a higher WallStSmart Score of 67/100 (B-).

PFE

Buy

55

out of 100

Grade: C

Growth: 3.3Profit: 7.0Value: 5.3Quality: 4.8
Piotroski: 3/9

WST

Strong Buy

67

out of 100

Grade: B-

Growth: 7.3Profit: 8.0Value: 2.7Quality: 7.3
Piotroski: 5/9Altman Z: 4.91
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

PFEUndervalued (+29.4%)

Margin of Safety

+29.4%

Fair Value

$37.48

Current Price

$25.68

$11.80 discount

UndervaluedFair: $37.48Overvalued
WSTSignificantly Overvalued (-32.4%)

Margin of Safety

-32.4%

Fair Value

$185.95

Current Price

$325.92

$139.97 premium

UndervaluedFair: $185.95Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

PFE4 strengths · Avg: 8.8/10
Operating MarginProfitability
31.6%10/10

Strong operational efficiency at 31.6%

Market CapQuality
$150.92B9/10

Large-cap with strong market position

Price/BookValuation
1.7x8/10

Reasonable price relative to book value

Free Cash FlowQuality
$2.18B8/10

Generating 2.2B in free cash flow

WST4 strengths · Avg: 9.0/10
EPS GrowthGrowth
56.1%10/10

Earnings expanding 56.1% YoY

Altman Z-ScoreHealth
4.9110/10

Safe zone — low bankruptcy risk

Operating MarginProfitability
21.7%8/10

Strong operational efficiency at 21.7%

Revenue GrowthGrowth
21.0%8/10

Revenue surging 21.0% year-over-year

Areas to Watch

PFE3 concerns · Avg: 2.3/10
Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

PEG RatioValuation
13.772/10

Expensive relative to growth rate

EPS GrowthGrowth
-10.1%2/10

Earnings declined 10.1%

WST2 concerns · Avg: 2.0/10
PEG RatioValuation
2.892/10

Expensive relative to growth rate

P/E RatioValuation
41.8x2/10

Premium valuation, high expectations priced in

Comparative Analysis Report

WallStSmart Research

Bull Case : PFE

The strongest argument for PFE centers on Operating Margin, Market Cap, Price/Book.

Bull Case : WST

The strongest argument for WST centers on EPS Growth, Altman Z-Score, Operating Margin. Profitability is solid with margins at 16.9% and operating margin at 21.7%. Revenue growth of 21.0% demonstrates continued momentum.

Bear Case : PFE

The primary concerns for PFE are Piotroski F-Score, PEG Ratio, EPS Growth.

Bear Case : WST

The primary concerns for WST are PEG Ratio, P/E Ratio. A P/E of 41.8x leaves little room for execution misses.

Key Dynamics to Monitor

PFE profiles as a value stock while WST is a growth play — different risk/reward profiles.

WST carries more volatility with a beta of 1.17 — expect wider price swings.

WST is growing revenue faster at 21.0% — sustainability is the question.

PFE generates stronger free cash flow (2.2B), providing more financial flexibility.

Bottom Line

WST scores higher overall (67/100 vs 55/100), backed by strong 16.9% margins and 21.0% revenue growth. PFE offers better value entry with a 29.4% margin of safety. 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.

Pfizer Inc

HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA

Pfizer Inc. is an American multinational pharmaceutical and biotechnology corporation headquartered on 42nd Street in Manhattan, New York City. The name of the company commemorates its co-founder, Charles Pfizer (1824-1906). Pfizer develops and produces medicines and vaccines for immunology, oncology, cardiology, endocrinology, and neurology. The company has several blockbuster drugs or products that each generate more than 1 billion USD in annual revenues.

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West Pharmaceutical Services Inc

HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES · USA

West Pharmaceutical Services, Inc. is a designer and manufacturer of injectable pharmaceutical packaging and delivery systems. The company is headquartered in Exton, Pennsylvania.

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