VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 1, 2026
Stock Comparison
Costco Wholesale Corporation vs Marriott International, Inc.
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 analysisMarriott International, Inc.
MAR · 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 Marriott International, Inc.'s moat claims, evidence, and risks.
View MAR analysisComparison highlights
- Moat score gap: Costco Wholesale Corporation leads (80 / 100 vs 72 / 100 for Marriott International, Inc.).
- Segment focus: Costco Wholesale Corporation has 2 segments (98.1% in Warehouse club retail); Marriott International, Inc. has 2 segments.
- Primary market structure: Oligopoly vs Competitive. Pricing power: Weak vs Moderate.
- Moat breadth: Costco Wholesale Corporation has 6 moat types across 3 domains; Marriott International, Inc. 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%
Marriott International, Inc.
U.S. & Canada Lodging Platform
Branded hotel franchising & management platform (including loyalty and reservation systems)
U.S. & Canada
Two-sided: travelers (guests) and hotel owners (franchisees/owners of managed properties)
Brand owner / franchisor / manager; operator of reservation, loyalty, and marketing systems
Side-by-side metrics
Moat coverage
Shared moat types
Costco Wholesale Corporation strengths
Marriott International, Inc. strengths
Segment mix
Costco Wholesale Corporation segments
Full profile >Warehouse club retail
Oligopoly
Membership fees (subscription)
Oligopoly
Marriott International, Inc. segments
Full profile >U.S. & Canada Lodging Platform
Competitive
International Lodging Platform
Competitive
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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.