WallStSmart

Intuitive Surgical Inc (ISRG)vsVertex Pharmaceuticals Inc (VRTX)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Vertex Pharmaceuticals Inc generates 15% more annual revenue ($12.22B vs $10.58B). VRTX leads profitability with a 35.5% profit margin vs 28.1%. VRTX appears more attractively valued with a PEG of 2.10. VRTX earns a higher WallStSmart Score of 66/100 (B-).

ISRG

Buy

64

out of 100

Grade: C+

Growth: 8.0Profit: 9.0Value: 5.3Quality: 7.8
Piotroski: 4/9Altman Z: 6.18

VRTX

Strong Buy

66

out of 100

Grade: B-

Growth: 8.0Profit: 9.0Value: 6.7Quality: 8.0
Piotroski: 3/9Altman Z: 3.62
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

ISRGUndervalued (+76.6%)

Margin of Safety

+76.6%

Fair Value

$1938.99

Current Price

$450.06

$1488.93 discount

UndervaluedFair: $1938.99Overvalued
VRTXUndervalued (+57.2%)

Margin of Safety

+57.2%

Fair Value

$992.87

Current Price

$429.82

$563.05 discount

UndervaluedFair: $992.87Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ISRG5 strengths · Avg: 9.2/10
Operating MarginProfitability
30.9%10/10

Strong operational efficiency at 30.9%

Altman Z-ScoreHealth
6.1810/10

Safe zone — low bankruptcy risk

Market CapQuality
$160.61B9/10

Large-cap with strong market position

Profit MarginProfitability
28.1%9/10

Keeps 28 of every $100 in revenue as profit

Revenue GrowthGrowth
23.0%8/10

Revenue surging 23.0% year-over-year

VRTX6 strengths · Avg: 9.7/10
Profit MarginProfitability
35.5%10/10

Keeps 36 of every $100 in revenue as profit

Operating MarginProfitability
38.1%10/10

Strong operational efficiency at 38.1%

EPS GrowthGrowth
61.4%10/10

Earnings expanding 61.4% YoY

Altman Z-ScoreHealth
3.6210/10

Safe zone — low bankruptcy risk

Market CapQuality
$107.87B9/10

Large-cap with strong market position

Return on EquityProfitability
24.2%9/10

Every $100 of equity generates 24 in profit

Areas to Watch

ISRG3 concerns · Avg: 3.3/10
PEG RatioValuation
2.374/10

Expensive relative to growth rate

Price/BookValuation
9.1x4/10

Trading at 9.1x book value

P/E RatioValuation
55.2x2/10

Premium valuation, high expectations priced in

VRTX3 concerns · Avg: 3.7/10
PEG RatioValuation
2.104/10

Expensive relative to growth rate

P/E RatioValuation
25.3x4/10

Moderate valuation

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Comparative Analysis Report

WallStSmart Research

Bull Case : ISRG

The strongest argument for ISRG centers on Operating Margin, Altman Z-Score, Market Cap. Profitability is solid with margins at 28.1% and operating margin at 30.9%. Revenue growth of 23.0% demonstrates continued momentum.

Bull Case : VRTX

The strongest argument for VRTX centers on Profit Margin, Operating Margin, EPS Growth. Profitability is solid with margins at 35.5% and operating margin at 38.1%.

Bear Case : ISRG

The primary concerns for ISRG are PEG Ratio, Price/Book, P/E Ratio. A P/E of 55.2x leaves little room for execution misses.

Bear Case : VRTX

The primary concerns for VRTX are PEG Ratio, P/E Ratio, Piotroski F-Score.

Key Dynamics to Monitor

ISRG profiles as a growth stock while VRTX is a mature play — different risk/reward profiles.

ISRG carries more volatility with a beta of 1.51 — expect wider price swings.

ISRG is growing revenue faster at 23.0% — sustainability is the question.

VRTX generates stronger free cash flow (1.3B), providing more financial flexibility.

Bottom Line

VRTX scores higher overall (66/100 vs 64/100), backed by strong 35.5% margins. ISRG offers better value entry with a 76.6% 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.

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.

Vertex Pharmaceuticals Inc

HEALTHCARE · BIOTECHNOLOGY · USA

Vertex Pharmaceuticals, Inc. is an American biopharmaceutical company based in Boston, Massachusetts.

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