VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Friday, January 2, 2026

Stock Comparison

AstraZeneca PLC vs HEICO Corporation

Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.

AstraZeneca PLC

AZN · London Stock Exchange

Market cap (USD)
Gross margin (TTM)
Operating margin (TTM)
Net margin (TTM)
SectorHealthcare
Industry
CountryGB
Data as of2026-01-02
Moat score
71/ 100

Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.

Full stock profile

Dive deeper into AstraZeneca PLC's moat claims, evidence, and risks.

View AZN analysis

HEICO Corporation

HEI · NYSE

Market cap (USD)$45.6B
Gross margin (TTM)41.1%
Operating margin (TTM)22.9%
Net margin (TTM)15.4%
SectorIndustrials
IndustryAerospace & Defense
CountryUS
Data as of2025-12-30
Moat score
77/ 100

Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.

Full stock profile

Dive deeper into HEICO Corporation's moat claims, evidence, and risks.

View HEI analysis

Comparison highlights

  • Moat score gap: HEICO Corporation leads (77 / 100 vs 71 / 100 for AstraZeneca PLC).
  • Segment focus: AstraZeneca PLC has 6 segments (41% in Oncology); HEICO Corporation has 2 segments (69.5% in Flight Support Group (FSG)).
  • Primary market structure: Oligopoly vs Oligopoly. Pricing power: Strong vs Moderate.
  • Moat breadth: AstraZeneca PLC has 4 moat types across 3 domains; HEICO Corporation has 6 across 3.

Primary market context

AstraZeneca PLC

Oncology

Market

Innovator oncology therapeutics (branded prescription medicines)

Geography

Global

Customer

Hospitals, oncology clinics, payers

Role

Innovator biopharmaceutical company

Revenue share

41%

HEICO Corporation

Flight Support Group (FSG)

Market

Aerospace aftermarket replacement parts and MRO services (jet engine and aircraft components), including FAA-approved PMA parts

Geography

Global

Customer

Commercial airlines, cargo carriers, MROs, OEMs, and government/military customers

Role

Aftermarket parts manufacturer + MRO/repair provider + distributor

Revenue share

69.5%

Side-by-side metrics

AstraZeneca PLC
HEICO Corporation
Ticker / Exchange
AZN - London Stock Exchange
HEI - NYSE
Market cap (USD)
n/a
$45.6B
Gross margin (TTM)
n/a
41.1%
Operating margin (TTM)
n/a
22.9%
Net margin (TTM)
n/a
15.4%
Sector
Healthcare
Industrials
Industry
n/a
Aerospace & Defense
HQ country
GB
US
Primary segment
Oncology
Flight Support Group (FSG)
Market structure
Oligopoly
Oligopoly
Market share
n/a
n/a
HHI estimate
n/a
n/a
Pricing power
Strong
Moderate
Moat score
71 / 100
77 / 100
Moat domains
Legal, Supply, Demand
Legal, Supply, Demand
Last update
2026-01-02
2025-12-30

Moat coverage

Shared moat types

Regulated Standards PipeIP Choke PointBrand Trust

AstraZeneca PLC strengths

Capex Knowhow Scale

HEICO Corporation strengths

Learning Curve YieldDesign In QualificationGovernment Contracting Relationships

Segment mix

AstraZeneca PLC segments

Full profile >

Oncology

Oligopoly

41%

Cardiovascular, Renal and Metabolism (CVRM)

Competitive

23%

Respiratory & Immunology (R&I)

Oligopoly

15%

Vaccines & Immune Therapies (V&I)

Oligopoly

3%

Rare Disease

Oligopoly

16%

Other Medicines

Competitive

2%

HEICO Corporation segments

Full profile >

Flight Support Group (FSG)

Oligopoly

69.5%

Electronic Technologies Group (ETG)

Oligopoly

30.5%

Want the full wide moat stocks list?

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Curation & 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.