VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Auckland International Airport Limited vs TC Energy Corporation
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Auckland International Airport Limited
AIA · NZX
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Auckland International Airport Limited's moat claims, evidence, and risks.
View AIA analysisTC Energy Corporation
TRP · 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 TC Energy Corporation's moat claims, evidence, and risks.
View TRP analysisComparison highlights
- Moat score gap: TC Energy Corporation leads (80 / 100 vs 74 / 100 for Auckland International Airport Limited).
- Segment focus: Auckland International Airport Limited has 3 segments; TC Energy Corporation has 4 segments (46.1% in U.S. Natural Gas Pipelines).
- Primary market structure: Monopoly vs Oligopoly. Pricing power: Moderate vs Weak.
- Moat breadth: Auckland International Airport Limited has 5 moat types across 3 domains; TC Energy Corporation has 4 across 3.
Primary market context
Auckland International Airport Limited
Aeronautical (regulated airport services)
Aeronautical airport services at Auckland Airport (airfield landing/parking, passenger terminal and related charges)
New Zealand (Auckland catchment)
Airlines and aviation operators (direct customers); passengers indirectly
Airport infrastructure operator
TC Energy Corporation
U.S. Natural Gas Pipelines
U.S. interstate natural gas pipeline transportation (FERC-regulated)
United States
Utilities/LDCs, power generators, LNG/export facilities, industrial users and marketers (as shippers)
Midstream pipeline operator
46.1%
Side-by-side metrics
Moat coverage
Shared moat types
Auckland International Airport Limited strengths
TC Energy Corporation strengths
Segment mix
Auckland International Airport Limited segments
Full profile >Aeronautical (regulated airport services)
Monopoly
Retail concessions and car parking
Quasi-Monopoly
Commercial property and precinct development
Competitive
TC Energy Corporation segments
Full profile >Canadian Natural Gas Pipelines
Quasi-Monopoly
U.S. Natural Gas Pipelines
Oligopoly
Mexico Natural Gas Pipelines
Oligopoly
Power and Energy Solutions
Competitive
Want the full wide moat stocks list?
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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.