VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Costco Wholesale Corporation vs Edwards Lifesciences Corporation
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Costco Wholesale Corporation
COST · Nasdaq Global Select Market
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Costco Wholesale Corporation's moat claims, evidence, and risks.
View COST analysisEdwards Lifesciences Corporation
EW · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Edwards Lifesciences Corporation's moat claims, evidence, and risks.
View EW analysisComparison highlights
- Moat score gap: Edwards Lifesciences Corporation leads (82 / 100 vs 80 / 100 for Costco Wholesale Corporation).
- Segment focus: Costco Wholesale Corporation has 2 segments (98.1% in Warehouse club retail); Edwards Lifesciences Corporation has 3 segments (75.5% in Transcatheter Aortic Valve Replacement (TAVR)).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Weak vs Moderate.
- Moat breadth: Costco Wholesale Corporation has 6 moat types across 3 domains; Edwards Lifesciences Corporation has 6 across 3.
Primary market context
Costco Wholesale Corporation
Warehouse club retail
Membership warehouse club retail (warehouse clubs, ancillary services, and e-commerce)
Global
Households and small businesses
Retailer (membership club)
98.1%
Edwards Lifesciences Corporation
Transcatheter Aortic Valve Replacement (TAVR)
Transcatheter aortic valve replacement (TAVR) devices
Global
Hospitals and structural heart centers
Medical device manufacturer
75.5%
Side-by-side metrics
Moat coverage
Shared moat types
Costco Wholesale Corporation strengths
Edwards Lifesciences Corporation strengths
Segment mix
Costco Wholesale Corporation segments
Full profile >Warehouse club retail
Oligopoly
Membership fees (subscription)
Oligopoly
Edwards Lifesciences Corporation segments
Full profile >Transcatheter Aortic Valve Replacement (TAVR)
Oligopoly
Transcatheter Mitral and Tricuspid Therapies (TMTT)
Competitive
Surgical Structural Heart
Oligopoly
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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.