VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Friday, January 2, 2026

Stock Comparison

Amazon.com, Inc. vs Crown Castle Inc.

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

Amazon.com, Inc.

AMZN · NASDAQ

Market cap (USD)$2.4T
Gross margin (TTM)50.1%
Operating margin (TTM)11%
Net margin (TTM)11.1%
SectorConsumer
IndustrySpecialty Retail
CountryUS
Data as of2025-12-29
Moat score
87/ 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 Amazon.com, Inc.'s moat claims, evidence, and risks.

View AMZN analysis

Crown Castle Inc.

CCI · New York Stock Exchange

Market cap (USD)$38.7B
Gross margin (TTM)
Operating margin (TTM)
Net margin (TTM)
SectorReal Estate
Industry
CountryUS
Data as of2026-01-02
Moat score
84/ 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 Crown Castle Inc.'s moat claims, evidence, and risks.

View CCI analysis

Comparison highlights

  • Moat score gap: Amazon.com, Inc. leads (87 / 100 vs 84 / 100 for Crown Castle Inc.).
  • Segment focus: Amazon.com, Inc. has 4 segments (73.5% in Amazon Stores (Retail, Marketplace, Prime Subscriptions)); Crown Castle Inc. has 2 segments (67% in Towers).
  • Primary market structure: Oligopoly vs Oligopoly. Pricing power: Moderate vs Strong.
  • Moat breadth: Amazon.com, Inc. has 10 moat types across 4 domains; Crown Castle Inc. has 3 across 3.

Primary market context

Amazon.com, Inc.

Amazon Stores (Retail, Marketplace, Prime Subscriptions)

Market

US retail ecommerce marketplace and online retail (integrated fulfillment + membership shipping)

Geography

United States

Customer

Consumers and third-party merchants

Role

Marketplace operator, retailer, and fulfillment provider

Revenue share

73.5%

Crown Castle Inc.

Towers

Market

U.S. macrocell tower leasing (wireless site rental)

Geography

United States

Customer

Mobile network operators

Role

Infrastructure owner/lessor

Revenue share

67%

Side-by-side metrics

Amazon.com, Inc.
Crown Castle Inc.
Ticker / Exchange
AMZN - NASDAQ
CCI - New York Stock Exchange
Market cap (USD)
$2.4T
$38.7B
Gross margin (TTM)
50.1%
n/a
Operating margin (TTM)
11%
n/a
Net margin (TTM)
11.1%
n/a
Sector
Consumer
Real Estate
Industry
Specialty Retail
n/a
HQ country
US
US
Primary segment
Amazon Stores (Retail, Marketplace, Prime Subscriptions)
Towers
Market structure
Oligopoly
Oligopoly
Market share
39%-42% (estimated)
16%-26% (implied)
HHI estimate
n/a
n/a
Pricing power
Moderate
Strong
Moat score
87 / 100
84 / 100
Moat domains
Supply, Demand, Network, Financial
Supply, Legal, Demand
Last update
2025-12-29
2026-01-02

Moat coverage

Shared moat types

Long Term ContractsPhysical Network Density

Amazon.com, Inc. strengths

Capex Knowhow ScaleScope EconomiesTwo Sided NetworkSuite BundlingHabit DefaultNegative Working CapitalDistribution ControlData Network Effects

Crown Castle Inc. strengths

Permits Rights Of Way

Segment mix

Amazon.com, Inc. segments

Full profile >

Amazon Web Services (AWS)

Oligopoly

16.9%

Amazon Stores (Retail, Marketplace, Prime Subscriptions)

Oligopoly

73.5%

Advertising Services (Amazon Ads / Retail Media)

Oligopoly

8.8%

Other (healthcare, content licensing/distribution, shipping services, co-branded credit card agreements, etc.)

Competitive

0.9%

Crown Castle Inc. segments

Full profile >

Towers

Oligopoly

67%

Fiber (small cells + fiber solutions)

Competitive

33%

Want the full wide moat stocks list?

Browse the full ranking of wide moat stocks, updated with moat scores and segment context.

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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.