West Pharmaceutical Services Inc (WST) Stock Analysis — PE Ratio, PS Ratio, Intrinsic Value & 2030 Price Target
West Pharmaceutical Services Inc stock (WST) is currently trading at $247.02. West Pharmaceutical Services Inc PE ratio is 36.12. West Pharmaceutical Services Inc PS ratio (Price-to-Sales) is 5.75. Analyst consensus price target for WST is $318.36. WallStSmart rates WST as Underperform.
- WST PE ratio analysis and historical PE chart
- WST PS ratio (Price-to-Sales) history and trend
- WST intrinsic value — DCF, Graham Number, EPV models
- WST stock price prediction 2025 2026 2027 2028 2029 2030
- WST fair value vs current price
- WST insider transactions and insider buying
- Is WST undervalued or overvalued?
- West Pharmaceutical Services Inc financial analysis — revenue, earnings, cash flow
- WST Piotroski F-Score and Altman Z-Score
- WST analyst price target and Smart Rating
West Pharmaceutical Services Inc
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WST Intrinsic Value Analysis for Value Investors
Benjamin Graham Formula · West Pharmaceutical Services Inc (WST)
WST trades 257% above its Graham fair value of $68.99, indicating the stock may be overvalued at current levels.
Based on Benjamin Graham Formula. Growth rate capped at 25%. For informational purposes only. Not financial advice.

Smart Analysis
West Pharmaceutical Services Inc (WST) · 10 metrics scored
Smart Score
Category Performance
WallStSmart pulls financial metrics like revenue growth, profit margins, and valuation ratios and scores each one from 0 to 10 based on how strong or weak it is. Those 10 scores are grouped into 4 categories: Growth, Profitability, Valuation, and Quality — which form the 4 axes of the spider chart you see. The categories are then combined into a final score out of 100, but not equally. Growth and Profitability together count for 60% of the total, because a fast-growing profitable business matters more than just a cheap one. That final number maps to a rating (Strong Buy, Buy, Hold, Avoid) and a letter grade, giving you one clear Stock Rating.
Investment Thesis
Strong fundamentals in market cap, operating margin, profit margin. Concerns around price/book and eps growth. Fundamentals are solid but monitor weak areas for improvement.
West Pharmaceutical Services Inc (WST) Key Strengths (5)
97.57% of shares held by major funds and institutions
Large-cap company with substantial market presence
Strong operational efficiency: $22 kept per $100 revenue
Strong profitability: $16 kept per $100 revenue
Solid profitability: $17 profit per $100 equity
Supporting Valuation Data
West Pharmaceutical Services Inc (WST) Areas to Watch (5)
Very expensive at 5.4x book value
Earnings barely growing at 2.10%
Paying a premium for growth, expensive relative to earnings expansion
Premium valuation at 5.8x annual revenue
Modest revenue growth at 7.50%
Supporting Valuation Data
West Pharmaceutical Services Inc (WST) Detailed Analysis Report
Overall Assessment
This company scores 55/100 in our Smart Analysis, earning a C- grade. Out of 10 metrics analyzed, 5 register as strengths (avg 8.4/10) while 5 fall into concern territory (avg 3.2/10). The category breakdown reveals uneven performance, with some areas requiring attention.
The Bull Case
The strongest argument centers on Institutional Own., Market Cap, Operating Margin. Profitability is solid with Return on Equity at 16.90%, Operating Margin at 21.60%, Profit Margin at 16.10%.
The Bear Case
The primary concerns are Price/Book, EPS Growth, PEG Ratio. Some valuation metrics including PEG Ratio (2.89), Price/Sales (5.75), Price/Book (5.38) suggest expensive pricing. Growth concerns include Revenue Growth at 7.50%, EPS Growth at 2.10%, which may limit upside.
Key Dynamics to Monitor
Three factors to monitor going forward. First, whether Price/Book improves, as this is the primary drag on the overall score. Second, margin trajectory, with Return on Equity at 16.90% currently healthy but needing to be sustained. Third, growth sustainability, with Revenue Growth at 7.50% needing to reaccelerate.
Risk Considerations
Based on the metric profile, this is a moderate-to-high risk investment. Strengths and concerns are roughly balanced. Investors should size positions according to their risk tolerance and maintain diversification.
Bottom Line
Mixed fundamentals with both positives (Institutional Own., Market Cap) and negatives (Price/Book, EPS Growth). A cautious approach is warranted. Monitor for improvement in weak areas before increasing conviction.
Disclaimer: Smart Analysis is a scoring system developed by WallStSmart Team. Scores update daily using multi-model valuation framework. Always conduct your own research and consult with financial advisors before making investment decisions.
WST Price-to-Sales(PS) Ratio Chart
Historical valuation based on market cap ÷ trailing 12-month revenue
WST's Price-to-Sales ratio of 5.75x trades 70% above its historical average of 3.39x (98th percentile), historically expensive. The current valuation is 4% below its historical high of 5.96x set in Mar 2026, and 174% above its historical low of 2.1x in Feb 2009.
WallStSmart Analysis Synopsis
Data-driven financial summary for West Pharmaceutical Services Inc (WST) · HEALTHCARE › MEDICAL INSTRUMENTS & SUPPLIES
The Big Picture
West Pharmaceutical Services Inc is a mature, profitable business with steady cash generation. Revenue reached 3.1B with 8% growth year-over-year. Profit margins of 16.1% are healthy, with room for further expansion as the business scales.
Key Findings
Generating 175M in free cash flow and 251M in operating cash flow. Earnings are translating into actual cash generation.
What to Watch Next
Sector dynamics: monitor MEDICAL INSTRUMENTS & SUPPLIES industry trends, competitive moves, and regulatory changes that could impact West Pharmaceutical Services Inc.
Bottom Line
West Pharmaceutical Services Inc is a well-established business delivering consistent profitability with 16.1% margins. The growth phase may be slowing, but strong cash generation and operational efficiency make it suitable for investors seeking reliability over excitement.
This synopsis is generated from publicly available financial data. It is not financial advice. Always conduct your own research and consult a qualified financial advisor before making investment decisions.
Insider Transactions
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About West Pharmaceutical Services Inc(WST)
NYSE
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.