VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Sunday, January 11, 2026

Stock Comparison

Auto Trader Group plc vs Berkshire Hathaway Inc.

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

Auto Trader Group plc

AUTO · London Stock Exchange

Market cap (USD)
Gross margin (TTM)
Operating margin (TTM)
Net margin (TTM)
SectorCommunication Services
Industry
CountryGB
Data as of2026-01-10
Moat score
96/ 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 Auto Trader Group plc's moat claims, evidence, and risks.

View AUTO analysis

Berkshire Hathaway Inc.

BRK.B · New York Stock Exchange

Market cap (USD)$1.1T
Gross margin (TTM)28.7%
Operating margin (TTM)15.8%
Net margin (TTM)17.8%
SectorFinancials
IndustryInsurance - Diversified
CountryUS
Data as of2025-12-30
Moat score
64/ 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 Berkshire Hathaway Inc.'s moat claims, evidence, and risks.

View BRK.B analysis

Comparison highlights

  • Moat score gap: Auto Trader Group plc leads (96 / 100 vs 64 / 100 for Berkshire Hathaway Inc.).
  • Segment focus: Auto Trader Group plc has 2 segments (93.3% in Autotrader (UK automotive marketplace & data platform)); Berkshire Hathaway Inc. has 11 segments (28.3% in Insurance (underwriting + investment income)).
  • Primary market structure: Quasi-Monopoly vs Competitive. Pricing power: Strong vs n/a.
  • Moat breadth: Auto Trader Group plc has 4 moat types across 2 domains; Berkshire Hathaway Inc. has 17 across 4.

Primary market context

Auto Trader Group plc

Autotrader (UK automotive marketplace & data platform)

Market

UK digital automotive marketplace (new & used) with retailer advertising/data products

Geography

United Kingdom

Customer

Consumers, vehicle retailers, OEMs/advertising agencies

Role

Two-sided marketplace + advertising/data & workflow tools

Revenue share

93.3%

Berkshire Hathaway Inc.

Insurance (underwriting + investment income)

Market

Insurance and reinsurance (property and casualty + life/health), including float-funded investing

Geography

Global

Customer

Consumers and businesses (policyholders) and insurers (reinsurance cedents)

Role

Underwriter and reinsurer plus investment manager of float

Revenue share

28.3%

Side-by-side metrics

Auto Trader Group plc
Berkshire Hathaway Inc.
Ticker / Exchange
AUTO - London Stock Exchange
BRK.B - New York Stock Exchange
Market cap (USD)
n/a
$1.1T
Gross margin (TTM)
n/a
28.7%
Operating margin (TTM)
n/a
15.8%
Net margin (TTM)
n/a
17.8%
Sector
Communication Services
Financials
Industry
n/a
Insurance - Diversified
HQ country
GB
US
Primary segment
Autotrader (UK automotive marketplace & data platform)
Insurance (underwriting + investment income)
Market structure
Quasi-Monopoly
Competitive
Market share
75%-80% (reported)
n/a
HHI estimate
n/a
n/a
Pricing power
Strong
n/a
Moat score
96 / 100
64 / 100
Moat domains
Network, Demand
Financial, Supply, Demand, Legal
Last update
2026-01-10
2025-12-30

Moat coverage

Shared moat types

No overlap yet.

Auto Trader Group plc strengths

Two Sided NetworkData Workflow LockinHabit DefaultEcosystem Complements

Berkshire Hathaway Inc. strengths

Float PrepaymentCapacity MoatBrand TrustPhysical Network DensityLong Term ContractsConcession LicensePermits Rights Of WayDesign In QualificationCapex Knowhow ScaleIP Choke PointScale Economies Unit CostDistribution ControlTraining Org Change CostsPreferential Input AccessService Field NetworkScope EconomiesCost Of Capital Advantage

Segment mix

Auto Trader Group plc segments

Full profile >

Autotrader (UK automotive marketplace & data platform)

Quasi-Monopoly

93.3%

Autorama (vehicle leasing marketplace)

Competitive

6.7%

Berkshire Hathaway Inc. segments

Full profile >

Insurance (underwriting + investment income)

Competitive

28.3%

BNSF Railway (freight rail transportation)

Oligopoly

6.4%

Berkshire Hathaway Energy (regulated utilities, pipelines, renewables)

Monopoly

7.1%

Industrial products manufacturing (PCC, Lubrizol, IMC, Marmon, etc.)

Oligopoly

9.7%

Building products & housing (Clayton Homes, Shaw, Johns Manville, Benjamin Moore, etc.)

Competitive

7.2%

Consumer products manufacturing (Duracell, Forest River, apparel/footwear, toys, etc.)

Competitive

4%

Service businesses (FlightSafety, NetJets, TTI, Dairy Queen, etc.)

Competitive

5.6%

Retailing businesses (Berkshire Hathaway Automotive, home furnishings, jewelry, See's, etc.)

Competitive

5.2%

Pilot Travel Centers (travel centers + wholesale fuel marketing)

Oligopoly

12.6%

McLane (wholesale distribution to convenience stores and restaurants)

Oligopoly

14%

Holding company capital allocation and investing

Competitive

n/a

Want the full wide moat stocks list?

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Looking for expansion-stage stocks?

Proven models entering the expansion stage with unit economics that work.

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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.