VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 1, 2026
Stock Comparison
Costco Wholesale Corporation vs Eaton Corporation plc
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 analysisEaton Corporation plc
ETN · 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 Eaton Corporation plc's moat claims, evidence, and risks.
View ETN analysisComparison highlights
- Moat score gap: Costco Wholesale Corporation leads (80 / 100 vs 66 / 100 for Eaton Corporation plc).
- Segment focus: Costco Wholesale Corporation has 2 segments (98.1% in Warehouse club retail); Eaton Corporation plc has 5 segments (46% in Electrical Americas).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Weak vs Moderate.
- Moat breadth: Costco Wholesale Corporation has 6 moat types across 3 domains; Eaton Corporation plc has 7 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%
Eaton Corporation plc
Electrical Americas
Electrical components, power distribution systems/assemblies, and related services (Americas)
North and South America
Industrial, commercial/institutional, utilities, residential, and IT/data center customers (end users and channel partners)
Manufacturer + systems/assembly provider + service provider
46%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Costco Wholesale Corporation strengths
Eaton Corporation plc strengths
Segment mix
Costco Wholesale Corporation segments
Full profile >Warehouse club retail
Oligopoly
Membership fees (subscription)
Oligopoly
Eaton Corporation plc segments
Full profile >Electrical Americas
Oligopoly
Electrical Global
Oligopoly
Aerospace
Oligopoly
Vehicle
Competitive
eMobility
Competitive
Want the full wide moat stocks list?
Browse the full ranking of wide moat stocks, updated with moat scores and segment context.
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.