VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
AMETEK, Inc. vs Costco Wholesale Corporation
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
AMETEK, Inc.
AME · 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 AMETEK, Inc.'s moat claims, evidence, and risks.
View AME analysisCostco 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 analysisComparison highlights
- Moat score gap: Costco Wholesale Corporation leads (80 / 100 vs 66 / 100 for AMETEK, Inc.).
- Segment focus: AMETEK, Inc. has 2 segments (67.1% in Electronic Instruments Group (EIG)); Costco Wholesale Corporation has 2 segments (98.1% in Warehouse club retail).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Strong vs Weak.
- Moat breadth: AMETEK, Inc. has 3 moat types across 1 domains; Costco Wholesale Corporation has 6 across 3.
Primary market context
AMETEK, Inc.
Electronic Instruments Group (EIG)
Advanced analytical, test and measurement instruments
Global
B2B (process, industrial, aerospace, medical, research)
Instrument/OEM supplier
67.1%
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%
Side-by-side metrics
Moat coverage
Shared moat types
AMETEK, Inc. strengths
Costco Wholesale Corporation strengths
Segment mix
AMETEK, Inc. segments
Full profile >Electronic Instruments Group (EIG)
Oligopoly
Electromechanical Group (EMG)
Competitive
Costco Wholesale Corporation segments
Full profile >Warehouse club retail
Oligopoly
Membership fees (subscription)
Oligopoly
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.