VOL. XCIV, NO. 247
* WIDE MOAT STOCKS COMPARISON *
NO ADVICE
Sunday, December 28, 2025
Stock Comparison
Taiwan Semiconductor Manufacturing Company Limited vs Costco Wholesale Corporation
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Taiwan Semiconductor Manufacturing Company Limited
2330 · Taiwan Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
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.
Side-by-side metrics
Moat coverage
Shared moat types
Taiwan Semiconductor Manufacturing Company Limited strengths
Costco Wholesale Corporation strengths
Segment mix
Taiwan Semiconductor Manufacturing Company Limited segments
Full profile >Leading-edge Foundry (7nm and below)
Quasi-Monopoly
Mature & Specialty Foundry (16nm and above + specialty processes)
Oligopoly
Advanced Packaging & 3DFabric (CoWoS, InFO, SoIC)
Oligopoly
Costco Wholesale Corporation segments
Full profile >Warehouse club retail
Oligopoly
Membership fees (subscription)
Oligopoly
Curation & 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 Pricing, features, and availability may be incomplete or out of date.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.