VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
TransDigm Group Incorporated vs West Pharmaceutical Services, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
TransDigm Group Incorporated
TDG · 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 TransDigm Group Incorporated's moat claims, evidence, and risks.
View TDG analysisWest Pharmaceutical Services, Inc.
WST · 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 West Pharmaceutical Services, Inc.'s moat claims, evidence, and risks.
View WST analysisComparison highlights
- Moat score gap: West Pharmaceutical Services, Inc. leads (85 / 100 vs 84 / 100 for TransDigm Group Incorporated).
- Segment focus: TransDigm Group Incorporated has 3 segments (51.6% in Power & Control); West Pharmaceutical Services, Inc. has 2 segments (80.7% in Proprietary Products).
- Primary market structure: Competitive vs Quasi-Monopoly. Pricing power: Strong vs Moderate.
- Moat breadth: TransDigm Group Incorporated has 5 moat types across 3 domains; West Pharmaceutical Services, Inc. has 5 across 3.
Primary market context
TransDigm Group Incorporated
Power & Control
Highly engineered aerospace power & control components (OEM and aftermarket)
Global
Commercial airlines, aircraft OEMs, defense OEMs, governments, aerospace distributors
Tier 2/3 component OEM, aftermarket spares, repair/overhaul
51.6%
West Pharmaceutical Services, Inc.
Proprietary Products
Injectable primary packaging components and containment/delivery systems (elastomeric stoppers, seals, plungers, syringe/cartridge components; related services)
Global
Biologic, generic, and pharmaceutical drug manufacturers
Primary packaging and delivery component supplier
80.7%
Side-by-side metrics
Moat coverage
Shared moat types
TransDigm Group Incorporated strengths
West Pharmaceutical Services, Inc. strengths
Segment mix
TransDigm Group Incorporated segments
Full profile >Power & Control
Competitive
Airframe
Competitive
Non-aviation
Competitive
West Pharmaceutical Services, Inc. segments
Full profile >Proprietary Products
Quasi-Monopoly
Contract-Manufactured Products
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.