VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Monday, December 29, 2025

Stock Comparison

Amazon.com, Inc. vs Alphabet 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)$2.5T
SectorConsumer
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

Alphabet Inc.

GOOGL · The Nasdaq Stock Market

Market cap (USD)$3.7T
SectorCommunication Services
CountryUS
Data as of2025-12-21
Moat score
86/ 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 Alphabet Inc.'s moat claims, evidence, and risks.

View GOOGL analysis

Comparison highlights

  • Moat score gap: Amazon.com, Inc. leads (87 / 100 vs 86 / 100 for Alphabet Inc.).
  • Segment focus: Amazon.com, Inc. has 4 segments (73.5% in Amazon Stores (Retail, Marketplace, Prime Subscriptions)); Alphabet Inc. has 6 segments (56.6% in Google Search & other (Advertising)).
  • Primary market structure: Oligopoly vs Quasi-Monopoly. Pricing power: Moderate vs Strong.
  • Moat breadth: Amazon.com, Inc. has 10 moat types across 4 domains; Alphabet Inc. has 10 across 4.

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%

Alphabet Inc.

Google Search & other (Advertising)

Market

Search advertising (intent-based digital ads)

Geography

Global

Customer

Advertisers (SMB to enterprise)

Role

Ad platform / publisher

Revenue share

56.6%

Side-by-side metrics

Amazon.com, Inc.
Alphabet Inc.
Ticker / Exchange
AMZN - NASDAQ
GOOGL - The Nasdaq Stock Market
Market cap (USD)
$2.5T
$3.7T
Sector
Consumer
Communication Services
HQ country
US
US
Primary segment
Amazon Stores (Retail, Marketplace, Prime Subscriptions)
Google Search & other (Advertising)
Market structure
Oligopoly
Quasi-Monopoly
Market share
39%-42% (estimated)
88%-91% (reported)
HHI estimate
n/a
8,115
Pricing power
Moderate
Strong
Moat score
87 / 100
86 / 100
Moat domains
Supply, Demand, Network, Financial
Network, Demand, Legal, Supply
Last update
2025-12-29
2025-12-21

Moat coverage

Shared moat types

Capex Knowhow ScaleTwo Sided NetworkHabit DefaultData Network Effects

Amazon.com, Inc. strengths

Scope EconomiesLong Term ContractsPhysical Network DensitySuite BundlingNegative Working CapitalDistribution Control

Alphabet Inc. strengths

Content Rights CurrencyOperational ExcellenceDefault OS GatewaySwitching Costs GeneralEcosystem ComplementsIncubation & patient capital

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%

Alphabet Inc. segments

Full profile >

Google Search & other (Advertising)

Quasi-Monopoly

56.6%

YouTube (Advertising)

Oligopoly

10.3%

Google Network (Advertising)

Competitive

8.7%

Google Subscriptions, Platforms & Devices

Quasi-Monopoly

11.5%

Google Cloud

Oligopoly

12.4%

Other Bets

Competitive

0.5%

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.