Merck & Company Inc (MRK)vsWest Pharmaceutical Services Inc (WST)
MRK
Merck & Company Inc
$119.60
+3.57%
HEALTHCARE · Cap: $283.78B
WST
West Pharmaceutical Services Inc
$329.71
-0.89%
HEALTHCARE · Cap: $23.23B
Smart Verdict
WallStSmart Research — data-driven comparison
Merck & Company Inc generates 1942% more annual revenue ($65.77B vs $3.22B). WST leads profitability with a 16.9% profit margin vs 13.6%. WST appears more attractively valued with a PEG of 3.16. WST earns a higher WallStSmart Score of 65/100 (C+).
MRK
Hold50
out of 100
Grade: D+
WST
Buy65
out of 100
Grade: C+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-40.6%
Fair Value
$80.96
Current Price
$119.60
$38.64 premium
Margin of Safety
-55.4%
Fair Value
$158.40
Current Price
$329.71
$171.31 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Mega-cap, among the largest globally
Strong operational efficiency at 38.6%
Generating 2.9B in free cash flow
Earnings expanding 56.1% YoY
Safe zone — low bankruptcy risk
Conservative balance sheet, low leverage
Strong operational efficiency at 21.7%
Revenue surging 21.0% year-over-year
Areas to Watch
Premium valuation, high expectations priced in
4.9% revenue growth
Elevated debt levels
Weak financial health signals
Expensive relative to growth rate
Premium valuation, high expectations priced in
Comparative Analysis Report
WallStSmart ResearchBull Case : MRK
The strongest argument for MRK centers on Market Cap, Operating Margin, Free Cash Flow.
Bull Case : WST
The strongest argument for WST centers on EPS Growth, Altman Z-Score, Debt/Equity. Profitability is solid with margins at 16.9% and operating margin at 21.7%. Revenue growth of 21.0% demonstrates continued momentum.
Bear Case : MRK
The primary concerns for MRK are P/E Ratio, Revenue Growth, Debt/Equity.
Bear Case : WST
The primary concerns for WST are PEG Ratio, P/E Ratio. A P/E of 44.1x leaves little room for execution misses.
Key Dynamics to Monitor
MRK profiles as a value stock while WST is a growth play — different risk/reward profiles.
WST carries more volatility with a beta of 1.18 — expect wider price swings.
WST is growing revenue faster at 21.0% — sustainability is the question.
MRK generates stronger free cash flow (2.9B), providing more financial flexibility.
Bottom Line
WST scores higher overall (65/100 vs 50/100), backed by strong 16.9% margins and 21.0% revenue growth. Both earn "Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
Merck & Company Inc
HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA
Merck & Co. is an American multinational pharmaceutical company headquartered in Kenilworth, New Jersey. It is named after the Merck family, which set up Merck Group in Germany in 1668.
Visit Website →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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