ISRG vs PFE: Which Is the Better Buy?

Side-by-side comparison of Intuitive Surgical, Inc. and Pfizer Inc. β€” fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-05-05.
Intuitive Surgical, Inc. Β· Healthcare
$451.29
+45.0% upside to fair value
Grade B High Quality
VS
Pfizer Inc. Β· Healthcare
$26.33
+28.6% upside to fair value
Grade B
QuantHub Verdict
ISRG has more upside to fair value (+45.0%). PFE trades at a lower forward P/E (19.3x). These are model outputs β€” not personalized investment advice. See all research β†’
Valuation & Fundamentals
Metric ISRG PFE
Current Price $451.29 $26.33
Fair Value Estimate $654.37 $33.85
Upside to Fair Value +45.0% +28.6%
Market Cap $160.3B $149.8B
Forward P/E 53.8x 19.3x
EV / EBITDA 40.5x 12.9x
Price / Sales 15.2x 2.4x
Price / FCF 64.3x 16.5x
Revenue Growth YoY +23.0% -1.2%
Gross Margin 66.3% 70.3%
Operating Margin 30.5% 24.7%
Return on Equity 17.0% 8.7%
Dividend Yield 0% 0%
FCF Yield 1.55% 6.06%
Analyst Consensus Strong Buy Hold
Investment Thesis
ISRG β€” Intuitive Surgical, Inc.
Intuitive Surgical, Inc. is a leading healthcare company specializing in robotic-assisted surgery through its flagship da Vinci system, which has established a durable competitive moat with approximately 10,000 systems installed globally and nearly 17 million procedures performed by the end of 2024. The company benefits from a high-quality business model characterized by 85% recurring revenue, st…
PFE β€” Pfizer Inc.
Pfizer Inc. is a leading global pharmaceutical company specializing in drug manufacturing with a strong presence in vaccines, oncology, and primary care. The company benefits from a seasoned leadership team under CEO Albert Bourla, who has driven a strategic transformation focusing on science-driven innovation and portfolio optimization. Despite a high gross margin of 70.3% and solid operating ma…
Accumulation Zones
Metric ISRG PFE
Zone Low $490.78 $25.39
Zone High $556.21 $28.77
In Buy Zone? Yes Yes
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