VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
RTX Corporation vs West Pharmaceutical Services, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
RTX Corporation
RTX · 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 RTX Corporation's moat claims, evidence, and risks.
View RTX 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 69 / 100 for RTX Corporation).
- Segment focus: RTX Corporation has 3 segments (34.8% in Pratt & Whitney); West Pharmaceutical Services, Inc. has 2 segments (80.7% in Proprietary Products).
- Primary market structure: Oligopoly vs Quasi-Monopoly. Pricing power: Moderate vs Moderate.
- Moat breadth: RTX Corporation has 8 moat types across 3 domains; West Pharmaceutical Services, Inc. has 5 across 3.
Primary market context
RTX Corporation
Pratt & Whitney
Aircraft engines & aftermarket services (commercial and military)
Global
Airframers, airlines, governments
Engine OEM + MRO
34.8%
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
RTX Corporation strengths
West Pharmaceutical Services, Inc. strengths
Segment mix
RTX Corporation segments
Full profile >Collins Aerospace
Oligopoly
Pratt & Whitney
Oligopoly
Raytheon
Oligopoly
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.