VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Costco Wholesale Corporation vs Vulcan Materials Company
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 analysisVulcan Materials Company
VMC · 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 Vulcan Materials Company's moat claims, evidence, and risks.
View VMC analysisComparison highlights
- Moat score gap: Costco Wholesale Corporation leads (80 / 100 vs 73 / 100 for Vulcan Materials Company).
- Segment focus: Costco Wholesale Corporation has 2 segments (98.1% in Warehouse club retail); Vulcan Materials Company has 3 segments (74.4% in Aggregates).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Weak vs Strong.
- Moat breadth: Costco Wholesale Corporation has 6 moat types across 3 domains; Vulcan Materials Company has 5 across 2.
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%
Vulcan Materials Company
Aggregates
Construction aggregates (crushed stone, sand & gravel)
United States (local/regional markets)
Construction contractors and public infrastructure agencies
Upstream raw materials producer
74.4%
Side-by-side metrics
Moat coverage
Shared moat types
Costco Wholesale Corporation strengths
Vulcan Materials Company strengths
Segment mix
Costco Wholesale Corporation segments
Full profile >Warehouse club retail
Oligopoly
Membership fees (subscription)
Oligopoly
Vulcan Materials Company segments
Full profile >Aggregates
Oligopoly
Asphalt
Competitive
Concrete
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.