Intuitive Surgical Inc (ISRG)vsWest Pharmaceutical Services Inc (WST)
ISRG
Intuitive Surgical Inc
$368.27
+1.88%
HEALTHCARE · Cap: $122.06B
WST
West Pharmaceutical Services Inc
$348.76
+0.24%
HEALTHCARE · Cap: $24.00B
Smart Verdict
WallStSmart Research — data-driven comparison
Intuitive Surgical Inc generates 232% more annual revenue ($11.03B vs $3.33B). ISRG leads profitability with a 28.4% profit margin vs 17.0%. ISRG appears more attractively valued with a PEG of 1.78. ISRG earns a higher WallStSmart Score of 66/100 (B-).
ISRG
Strong Buy66
out of 100
Grade: B-
WST
Buy61
out of 100
Grade: C+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+81.6%
Fair Value
$1922.89
Current Price
$368.26
$1554.63 discount
Margin of Safety
-47.9%
Fair Value
$166.45
Current Price
$348.76
$182.31 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Strong operational efficiency at 33.8%
Safe zone — low bankruptcy risk
Large-cap with strong market position
Keeps 28 of every $100 in revenue as profit
18.5% revenue growth
Earnings expanding 26.5% YoY
Safe zone — low bankruptcy risk
Conservative balance sheet, low leverage
Strong operational efficiency at 22.5%
Areas to Watch
Expensive relative to growth rate
Premium valuation, high expectations priced in
Trading at 8.3x book value
Expensive relative to growth rate
Premium valuation, high expectations priced in
Comparative Analysis Report
WallStSmart ResearchBull Case : ISRG
The strongest argument for ISRG centers on Operating Margin, Altman Z-Score, Market Cap. Profitability is solid with margins at 28.4% and operating margin at 33.8%. Revenue growth of 18.5% demonstrates continued momentum.
Bull Case : WST
The strongest argument for WST centers on Altman Z-Score, Debt/Equity, Operating Margin. Profitability is solid with margins at 17.0% and operating margin at 22.5%. Revenue growth of 13.8% demonstrates continued momentum.
Bear Case : ISRG
The primary concerns for ISRG are PEG Ratio, P/E Ratio. A P/E of 40.2x leaves little room for execution misses.
Bear Case : WST
The primary concerns for WST are Price/Book, PEG Ratio, P/E Ratio. A P/E of 43.5x leaves little room for execution misses.
Key Dynamics to Monitor
ISRG profiles as a growth stock while WST is a mature play — different risk/reward profiles.
ISRG carries more volatility with a beta of 1.46 — expect wider price swings.
ISRG is growing revenue faster at 18.5% — sustainability is the question.
ISRG generates stronger free cash flow (948M), providing more financial flexibility.
Bottom Line
ISRG scores higher overall (66/100 vs 61/100), backed by strong 28.4% margins and 18.5% revenue growth. 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.
Intuitive Surgical Inc
HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES · USA
Intuitive Surgical, Inc. is an American corporation that develops, manufactures, and markets robotic products designed to improve clinical outcomes of patients through minimally invasive surgery, most notably with the da Vinci Surgical System.
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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