WallStSmart

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

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Vertex Pharmaceuticals Inc generates 19% more annual revenue ($12.00B vs $10.06B). VRTX leads profitability with a 32.9% profit margin vs 28.4%. VRTX appears more attractively valued with a PEG of 2.19. VRTX earns a higher WallStSmart Score of 66/100 (B-).

ISRG

Buy

62

out of 100

Grade: C+

Growth: 8.0Profit: 9.0Value: 4.7Quality: 7.8
Piotroski: 4/9Altman Z: 6.18

VRTX

Strong Buy

66

out of 100

Grade: B-

Growth: 8.0Profit: 9.0Value: 10.0Quality: 8.0
Piotroski: 3/9Altman Z: 3.62
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

ISRGSignificantly Overvalued (-78.8%)

Margin of Safety

-78.8%

Fair Value

$262.88

Current Price

$469.98

$207.10 premium

UndervaluedFair: $262.88Overvalued
VRTXUndervalued (+36.5%)

Margin of Safety

+36.5%

Fair Value

$716.04

Current Price

$454.97

$261.07 discount

UndervaluedFair: $716.04Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ISRG5 strengths · Avg: 9.2/10
Operating MarginProfitability
30.2%10/10

Strong operational efficiency at 30.2%

Altman Z-ScoreHealth
6.1810/10

Safe zone — low bankruptcy risk

Market CapQuality
$167.61B9/10

Large-cap with strong market position

Profit MarginProfitability
28.4%9/10

Keeps 28 of every $100 in revenue as profit

Revenue GrowthGrowth
18.8%8/10

18.8% revenue growth

VRTX6 strengths · Avg: 9.5/10
Profit MarginProfitability
32.9%10/10

Keeps 33 of every $100 in revenue as profit

Operating MarginProfitability
39.6%10/10

Strong operational efficiency at 39.6%

Altman Z-ScoreHealth
3.6210/10

Safe zone — low bankruptcy risk

Market CapQuality
$113.95B9/10

Large-cap with strong market position

Return on EquityProfitability
22.5%9/10

Every $100 of equity generates 23 in profit

Debt/EquityHealth
0.219/10

Conservative balance sheet, low leverage

Areas to Watch

ISRG3 concerns · Avg: 3.3/10
PEG RatioValuation
2.434/10

Expensive relative to growth rate

Price/BookValuation
9.4x4/10

Trading at 9.4x book value

P/E RatioValuation
59.9x2/10

Premium valuation, high expectations priced in

VRTX3 concerns · Avg: 3.7/10
PEG RatioValuation
2.194/10

Expensive relative to growth rate

P/E RatioValuation
29.3x4/10

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 28.4% and operating margin at 30.2%. Revenue growth of 18.8% demonstrates continued momentum.

Bull Case : VRTX

The strongest argument for VRTX centers on Profit Margin, Operating Margin, Altman Z-Score. Profitability is solid with margins at 32.9% and operating margin at 39.6%.

Bear Case : ISRG

The primary concerns for ISRG are PEG Ratio, Price/Book, P/E Ratio. A P/E of 59.9x 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 1.68 — expect wider price swings.

ISRG is growing revenue faster at 18.8% — sustainability is the question.

ISRG generates stronger free cash flow (730M), providing more financial flexibility.

Bottom Line

VRTX scores higher overall (66/100 vs 62/100), backed by strong 32.9% margins. 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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