Intuitive Surgical Inc (ISRG)vsNephros Inc (NEPH)
ISRG
Intuitive Surgical Inc
$469.98
-0.41%
HEALTHCARE · Cap: $167.61B
NEPH
Nephros Inc
$3.05
-1.93%
HEALTHCARE · Cap: $33.10M
Smart Verdict
WallStSmart Research — data-driven comparison
Intuitive Surgical Inc generates 53467% more annual revenue ($10.06B vs $18.79M). ISRG leads profitability with a 28.4% profit margin vs 6.4%. NEPH trades at a lower P/E of 28.3x. ISRG earns a higher WallStSmart Score of 62/100 (C+).
ISRG
Buy62
out of 100
Grade: C+
NEPH
Hold40
out of 100
Grade: F
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-78.8%
Fair Value
$262.88
Current Price
$469.98
$207.10 premium
Margin of Safety
-438.7%
Fair Value
$0.75
Current Price
$3.05
$2.30 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Strong operational efficiency at 30.2%
Safe zone — low bankruptcy risk
Large-cap with strong market position
Keeps 28 of every $100 in revenue as profit
18.8% revenue growth
Revenue surging 22.2% year-over-year
Areas to Watch
Expensive relative to growth rate
Trading at 9.4x book value
Premium valuation, high expectations priced in
Moderate valuation
Smaller company, higher risk/reward
6.4% margin — thin
Operating margin of 0.4%
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 30.2%. Revenue growth of 18.8% demonstrates continued momentum.
Bull Case : NEPH
The strongest argument for NEPH centers on Revenue Growth. Revenue growth of 22.2% demonstrates continued momentum.
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 : NEPH
The primary concerns for NEPH are P/E Ratio, Market Cap, Profit Margin.
Key Dynamics to Monitor
ISRG carries more volatility with a beta of 1.68 — expect wider price swings.
NEPH is growing revenue faster at 22.2% — sustainability is the question.
ISRG generates stronger free cash flow (730M), providing more financial flexibility.
Monitor MEDICAL INSTRUMENTS & SUPPLIES industry trends, competitive dynamics, and regulatory changes.
Bottom Line
ISRG scores higher overall (62/100 vs 40/100), backed by strong 28.4% margins and 18.8% revenue growth. Both earn "Buy" and "Hold" 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.
Nephros Inc
HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES · USA
Nephros, Inc., a commercial stage company, develops and sells water solutions to the medical and commercial markets in the United States. The company is headquartered in South Orange, New Jersey.
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