VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 7, 2026
Stock Comparison
Costco Wholesale Corporation vs Judges Scientific 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 analysisJudges Scientific plc
JDG · London Stock Exchange - AIM
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Judges Scientific plc's moat claims, evidence, and risks.
View JDG analysisComparison highlights
- Moat score gap: Costco Wholesale Corporation leads (80 / 100 vs 63 / 100 for Judges Scientific plc).
- Segment focus: Costco Wholesale Corporation has 2 segments (98.1% in Warehouse club retail); Judges Scientific plc has 2 segments (51.7% in Vacuum).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Weak vs Moderate.
- Moat breadth: Costco Wholesale Corporation has 6 moat types across 3 domains; Judges Scientific plc has 3 across 1.
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%
Judges Scientific plc
Vacuum
Vacuum and surface-science related instrumentation (e.g., UHV/vacuum components and systems, thin-film/surface engineering adjacent tools)
Global
Research labs and high-tech manufacturing
Equipment manufacturer
51.7%
Side-by-side metrics
Moat coverage
Shared moat types
Costco Wholesale Corporation strengths
Judges Scientific plc strengths
Segment mix
Costco Wholesale Corporation segments
Full profile >Warehouse club retail
Oligopoly
Membership fees (subscription)
Oligopoly
Judges Scientific plc segments
Full profile >Materials Sciences
Competitive
Vacuum
Competitive
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Proven models entering the expansion stage with unit economics that work.
View expansion-stage stocksCuration & 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.