VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Amazon.com, Inc. vs Intuitive Surgical, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Amazon.com, Inc.
AMZN · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Amazon.com, Inc.'s moat claims, evidence, and risks.
View AMZN analysisIntuitive Surgical, Inc.
ISRG · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Intuitive Surgical, Inc.'s moat claims, evidence, and risks.
View ISRG analysisComparison highlights
- Moat score gap: Amazon.com, Inc. leads (87 / 100 vs 83 / 100 for Intuitive Surgical, Inc.).
- Segment focus: Amazon.com, Inc. has 4 segments (73.5% in Amazon Stores (Retail, Marketplace, Prime Subscriptions)); Intuitive Surgical, Inc. has 3 segments (60.8% in Instruments and Accessories).
- Primary market structure: Oligopoly vs Monopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Amazon.com, Inc. has 10 moat types across 4 domains; Intuitive Surgical, Inc. has 9 across 4.
Primary market context
Amazon.com, Inc.
Amazon Stores (Retail, Marketplace, Prime Subscriptions)
US retail ecommerce marketplace and online retail (integrated fulfillment + membership shipping)
United States
Consumers and third-party merchants
Marketplace operator, retailer, and fulfillment provider
73.5%
Intuitive Surgical, Inc.
Instruments and Accessories
Proprietary robotic surgery instruments, accessories, and consumables used per procedure on the da Vinci (and Ion) installed base
Global
Hospitals and surgery centers purchasing consumables; surgeons and OR teams as end users
Consumables OEM within proprietary platform
60.8%
Side-by-side metrics
Moat coverage
Shared moat types
Amazon.com, Inc. strengths
Intuitive Surgical, Inc. strengths
Segment mix
Amazon.com, Inc. segments
Full profile >Amazon Web Services (AWS)
Oligopoly
Amazon Stores (Retail, Marketplace, Prime Subscriptions)
Oligopoly
Advertising Services (Amazon Ads / Retail Media)
Oligopoly
Other (healthcare, content licensing/distribution, shipping services, co-branded credit card agreements, etc.)
Competitive
Intuitive Surgical, Inc. segments
Full profile >Systems
Quasi-Monopoly
Instruments and Accessories
Monopoly
Services
Monopoly
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View the moat stocks listCuration & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.