VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Alphabet Inc. vs TransDigm Group Incorporated
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Alphabet Inc.
GOOGL · The Nasdaq Stock 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 Alphabet Inc.'s moat claims, evidence, and risks.
View GOOGL 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: Alphabet Inc. leads (86 / 100 vs 84 / 100 for TransDigm Group Incorporated).
- Segment focus: Alphabet Inc. has 6 segments (56.6% in Google Search & other (Advertising)); TransDigm Group Incorporated has 3 segments (51.6% in Power & Control).
- Primary market structure: Quasi-Monopoly vs Competitive. Pricing power: Strong vs Strong.
- Moat breadth: Alphabet Inc. has 10 moat types across 4 domains; TransDigm Group Incorporated has 5 across 3.
Primary market context
Alphabet Inc.
Google Search & other (Advertising)
Search advertising (intent-based digital ads)
Global
Advertisers (SMB to enterprise)
Ad platform / publisher
56.6%
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
Alphabet Inc. strengths
TransDigm Group Incorporated strengths
Segment mix
Alphabet Inc. segments
Full profile >Google Search & other (Advertising)
Quasi-Monopoly
YouTube (Advertising)
Oligopoly
Google Network (Advertising)
Competitive
Google Subscriptions, Platforms & Devices
Quasi-Monopoly
Google Cloud
Oligopoly
Other Bets
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.