VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Spirax Group plc vs TransDigm Group Incorporated
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Spirax Group plc
SPX · London 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 Spirax Group plc's moat claims, evidence, and risks.
View SPX analysisTransDigm 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 analysisComparison highlights
- Moat score gap: TransDigm Group Incorporated leads (84 / 100 vs 71 / 100 for Spirax Group plc).
- Segment focus: Spirax Group plc has 3 segments (52.1% in Steam Thermal Solutions); TransDigm Group Incorporated has 3 segments (51.6% in Power & Control).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Moderate vs Strong.
- Moat breadth: Spirax Group plc has 6 moat types across 2 domains; TransDigm Group Incorporated has 5 across 3.
Primary market context
Spirax Group plc
Steam Thermal Solutions
Industrial and commercial steam systems (condensate management, controls, thermal energy management products and solutions)
Global
Industrial process operators and commercial facility operators
OEM / solutions provider
52.1%
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%
Side-by-side metrics
Moat coverage
Shared moat types
Spirax Group plc strengths
TransDigm Group Incorporated strengths
Segment mix
Spirax Group plc segments
Full profile >Steam Thermal Solutions
Oligopoly
Electric Thermal Solutions
Competitive
Watson-Marlow Fluid Technology Solutions
Oligopoly
TransDigm Group Incorporated segments
Full profile >Power & Control
Competitive
Airframe
Competitive
Non-aviation
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.