VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Tuesday, December 30, 2025

Stock Comparison

Amazon.com, Inc. vs Bio-Rad Laboratories, 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

Bio-Rad Laboratories, Inc.

BIO · New York Stock Exchange

Market cap (USD)
SectorHealthcare
CountryUS
Data as of2025-12-30
Moat score
61/ 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 Bio-Rad Laboratories, Inc.'s moat claims, evidence, and risks.

View BIO analysis

Comparison highlights

  • Moat score gap: Amazon.com, Inc. leads (87 / 100 vs 61 / 100 for Bio-Rad Laboratories, Inc.).
  • Segment focus: Amazon.com, Inc. has 4 segments (73.5% in Amazon Stores (Retail, Marketplace, Prime Subscriptions)); Bio-Rad Laboratories, Inc. has 2 segments (59.9% in Clinical Diagnostics).
  • Moat breadth: Amazon.com, Inc. has 10 moat types across 4 domains; Bio-Rad Laboratories, Inc. has 6 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%

Bio-Rad Laboratories, Inc.

Clinical Diagnostics

Market

In vitro diagnostics test systems, reagents/test kits, informatics, and clinical laboratory quality controls

Geography

Global

Customer

Hospital laboratories; diagnostic reference laboratories; transfusion laboratories; physician office laboratories

Role

IVD OEM / installed-base consumables supplier (systems + kits + controls)

Revenue share

59.9%

Side-by-side metrics

Amazon.com, Inc.
Bio-Rad Laboratories, Inc.
Ticker / Exchange
AMZN - NASDAQ
BIO - New York Stock Exchange
Market cap (USD)
$2.5T
n/a
Sector
Consumer
Healthcare
HQ country
US
US
Primary segment
Amazon Stores (Retail, Marketplace, Prime Subscriptions)
Clinical Diagnostics
Market structure
Oligopoly
Oligopoly
Market share
39%-42% (estimated)
9%-11% (implied)
HHI estimate
n/a
n/a
Pricing power
Moderate
Moderate
Moat score
87 / 100
61 / 100
Moat domains
Supply, Demand, Network, Financial
Supply, Demand, Legal
Last update
2025-12-29
2025-12-30

Moat coverage

Shared moat types

Capex Knowhow ScaleScope EconomiesDistribution Control

Amazon.com, Inc. strengths

Long Term ContractsTwo Sided NetworkPhysical Network DensitySuite BundlingHabit DefaultNegative Working CapitalData Network Effects

Bio-Rad Laboratories, Inc. strengths

Installed Base ConsumablesSwitching Costs GeneralCompliance Advantage

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%

Bio-Rad Laboratories, Inc. segments

Full profile >

Life Science

Competitive

40.1%

Clinical Diagnostics

Oligopoly

59.9%

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.