VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Costco Wholesale Corporation vs Republic Services, 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 analysisRepublic Services, Inc.
RSG · 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 Republic Services, Inc.'s moat claims, evidence, and risks.
View RSG analysisComparison highlights
- Moat score: both at 80 / 100.
- Segment focus: Costco Wholesale Corporation has 2 segments (98.1% in Warehouse club retail); Republic Services, Inc. has 2 segments (88.5% in Recycling & Waste Services).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Weak vs Moderate.
- Moat breadth: Costco Wholesale Corporation has 6 moat types across 3 domains; Republic Services, Inc. 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%
Republic Services, Inc.
Recycling & Waste Services
Integrated non-hazardous solid waste collection, transfer, landfill disposal & recycling services
United States and Canada
Municipal, commercial, industrial
Integrated hauler and disposal operator
88.5%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Costco Wholesale Corporation strengths
Republic Services, Inc. strengths
Segment mix
Costco Wholesale Corporation segments
Full profile >Warehouse club retail
Oligopoly
Membership fees (subscription)
Oligopoly
Republic Services, Inc. segments
Full profile >Recycling & Waste Services
Competitive
Environmental Solutions
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.