VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Taiwan Semiconductor Manufacturing Company Limited vs Union Pacific 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.
Full stock profile
Dive deeper into Taiwan Semiconductor Manufacturing Company Limited's moat claims, evidence, and risks.
View 2330 analysisUnion Pacific Corporation
UNP · 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 Union Pacific Corporation's moat claims, evidence, and risks.
View UNP analysisComparison highlights
- Moat score gap: Taiwan Semiconductor Manufacturing Company Limited leads (92 / 100 vs 72 / 100 for Union Pacific Corporation).
- Segment focus: Taiwan Semiconductor Manufacturing Company Limited has 3 segments (74% in Leading-edge Foundry (7nm and below)); Union Pacific Corporation has 4 segments (34.8% in Industrial).
- Primary market structure: Quasi-Monopoly vs Oligopoly. Pricing power: Strong vs Moderate.
- Moat breadth: Taiwan Semiconductor Manufacturing Company Limited has 7 moat types across 4 domains; Union Pacific Corporation has 5 across 2.
Primary market context
Taiwan Semiconductor Manufacturing Company Limited
Leading-edge Foundry (7nm and below)
Leading-edge semiconductor foundry services (<=7nm logic process technologies)
Global
Fabless semiconductor companies, system companies, and IDMs
Dedicated foundry / contract manufacturer
74%
Union Pacific Corporation
Industrial
Rail freight transportation for industrial commodities (chemicals and plastics, metals and minerals, forest products, energy and specialized markets)
U.S. western two-thirds with interchange to other railroads; cross-border corridors to Mexico and Canada
Chemical producers, refiners, plastics manufacturers, construction and material suppliers, metals and mining, industrial shippers
Class I rail carrier / linehaul freight transport
34.8%
Side-by-side metrics
Moat coverage
Shared moat types
Taiwan Semiconductor Manufacturing Company Limited strengths
Union Pacific 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
Union Pacific Corporation segments
Full profile >Bulk
Oligopoly
Industrial
Oligopoly
Premium
Oligopoly
Other subsidiary, accessorial and other revenues
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.