VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
O'Reilly Automotive, Inc. vs TransDigm Group Incorporated
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
O'Reilly Automotive, Inc.
ORLY · Nasdaq Global Select Market
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into O'Reilly Automotive, Inc.'s moat claims, evidence, and risks.
View ORLY 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 63 / 100 for O'Reilly Automotive, Inc.).
- Segment focus: O'Reilly Automotive, Inc. has 2 segments (52% in DIY Aftermarket Retail); TransDigm Group Incorporated has 3 segments (51.6% in Power & Control).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Moderate vs Strong.
- Moat breadth: O'Reilly Automotive, Inc. has 7 moat types across 2 domains; TransDigm Group Incorporated has 5 across 3.
Primary market context
O'Reilly Automotive, Inc.
DIY Aftermarket Retail
Specialty automotive aftermarket parts retail (DIY channel)
United States, Puerto Rico, Mexico, Canada
Consumers (do-it-yourself vehicle owners)
Specialty retailer
52%
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
No overlap yet.
O'Reilly Automotive, Inc. strengths
TransDigm Group Incorporated strengths
Segment mix
O'Reilly Automotive, Inc. segments
Full profile >DIY Aftermarket Retail
Oligopoly
Professional (B2B) Aftermarket Distribution
Competitive
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.