AptarGroup Inc (ATR)vsWest Pharmaceutical Services Inc (WST)
ATR
AptarGroup Inc
$125.82
+1.35%
HEALTHCARE · Cap: $8.15B
WST
West Pharmaceutical Services Inc
$247.02
+0.71%
HEALTHCARE · Cap: $17.68B
Smart Verdict
WallStSmart Research — data-driven comparison
AptarGroup Inc generates 23% more annual revenue ($3.78B vs $3.07B). WST leads profitability with a 16.1% profit margin vs 10.4%. WST appears more attractively valued with a PEG of 2.89. WST earns a higher WallStSmart Score of 55/100 (C-).
ATR
Buy53
out of 100
Grade: C-
WST
Buy55
out of 100
Grade: C-
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-250.2%
Fair Value
$39.98
Current Price
$125.82
$85.84 premium
Margin of Safety
-256.8%
Fair Value
$68.99
Current Price
$247.02
$178.03 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
No standout strengths identified
Safe zone — low bankruptcy risk
Strong operational efficiency at 21.6%
Areas to Watch
Weak financial health signals
Expensive relative to growth rate
Earnings declined 23.5%
Premium valuation, high expectations priced in
2.1% earnings growth
Expensive relative to growth rate
Comparative Analysis Report
WallStSmart ResearchBull Case : ATR
Revenue growth of 13.5% demonstrates continued momentum.
Bull Case : WST
The strongest argument for WST centers on Altman Z-Score, Operating Margin. Profitability is solid with margins at 16.1% and operating margin at 21.6%.
Bear Case : ATR
The primary concerns for ATR are Piotroski F-Score, PEG Ratio, EPS Growth.
Bear Case : WST
The primary concerns for WST are P/E Ratio, EPS Growth, PEG Ratio.
Key Dynamics to Monitor
ATR profiles as a value stock while WST is a mature play — different risk/reward profiles.
WST carries more volatility with a beta of 1.18 — expect wider price swings.
ATR is growing revenue faster at 13.5% — sustainability is the question.
WST generates stronger free cash flow (175M), providing more financial flexibility.
Bottom Line
WST scores higher overall (55/100 vs 53/100), backed by strong 16.1% margins. Both earn "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.
AptarGroup Inc
HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES · USA
AptarGroup, Inc. offers a range of packaging, dispensing and sealing solutions primarily for the beauty, personal care, home care, prescription drug, consumer health care, injectables, and food and beverage markets. The company is headquartered in Crystal Lake, Illinois.
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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