VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Auckland International Airport Limited vs Ecolab Inc.
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 analysisEcolab Inc.
ECL · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: Auckland International Airport Limited leads (74 / 100 vs 63 / 100 for Ecolab Inc.).
- Segment focus: Auckland International Airport Limited has 3 segments; Ecolab Inc. has 4 segments (49.5% in Global Industrial).
- Primary market structure: Monopoly vs Oligopoly. Pricing power: Moderate vs Moderate.
- Moat breadth: Auckland International Airport Limited has 5 moat types across 3 domains; Ecolab Inc. has 7 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
Ecolab Inc.
Global Industrial
Industrial water treatment & process chemistry (incl. food & beverage processing and pulp & paper process aids)
Global
B2B
formulator + on-site service/optimization provider
49.5%
Side-by-side metrics
Moat coverage
Shared moat types
Auckland International Airport Limited strengths
Ecolab Inc. 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
Ecolab Inc. segments
Full profile >Global Industrial
Oligopoly
Global Institutional & Specialty
Oligopoly
Global Healthcare & Life Sciences
Oligopoly
Global Pest Elimination
Oligopoly
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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.