VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Monday, January 5, 2026
Stock Comparison
Costco Wholesale Corporation vs Legrand S.A.
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 analysisLegrand S.A.
LR · Euronext Paris
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: Costco Wholesale Corporation leads (80 / 100 vs 68 / 100 for Legrand S.A.).
- Segment focus: Costco Wholesale Corporation has 2 segments (98.1% in Warehouse club retail); Legrand S.A. has 2 segments (80% in Building electrical & digital infrastructure (non-datacenter)).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Weak vs Moderate.
- Moat breadth: Costco Wholesale Corporation has 6 moat types across 3 domains; Legrand S.A. has 4 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%
Legrand S.A.
Building electrical & digital infrastructure (non-datacenter)
Low-voltage electrical and digital building infrastructure (wiring devices, energy distribution, cable management, building controls)
Global (strong Europe & North America footprint)
Professional installers/electricians, electrical wholesalers, OEM/contractors; end-users in residential & commercial buildings
Manufacturer + brand owner; channel-driven distribution
80%
Side-by-side metrics
Moat coverage
Shared moat types
Costco Wholesale Corporation strengths
Legrand S.A. strengths
Segment mix
Costco Wholesale Corporation segments
Full profile >Warehouse club retail
Oligopoly
Membership fees (subscription)
Oligopoly
Legrand S.A. segments
Full profile >Building electrical & digital infrastructure (non-datacenter)
Oligopoly
Datacenter infrastructure
Oligopoly
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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).
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