VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Wednesday, December 31, 2025

Stock Comparison

Berkshire Hathaway Inc. vs Melrose Industries PLC

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

Berkshire Hathaway Inc.

BRK.B · New York Stock Exchange

Market cap (USD)
SectorFinancials
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

Melrose Industries PLC

MRO · London Stock Exchange

Market cap (USD)$10B
SectorIndustrials
CountryGB
Data as of2025-12-28
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 Melrose Industries PLC's moat claims, evidence, and risks.

View MRO analysis

Comparison highlights

  • Moat score gap: Melrose Industries PLC leads (77 / 100 vs 64 / 100 for Berkshire Hathaway Inc.).
  • Segment focus: Berkshire Hathaway Inc. has 11 segments (28.3% in Insurance (underwriting + investment income)); Melrose Industries PLC has 2 segments (57.9% in Structures).
  • Primary market structure: Competitive vs Oligopoly. Pricing power: n/a vs Moderate.
  • Moat breadth: Berkshire Hathaway Inc. has 17 moat types across 4 domains; Melrose Industries PLC has 5 across 2.

Primary market context

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%

Melrose Industries PLC

Structures

Market

Aerostructures and aircraft electrical wiring systems (EWIS)

Geography

Global

Customer

Airframe OEMs; defence primes

Role

Tier-1 aerospace supplier

Revenue share

57.9%

Side-by-side metrics

Berkshire Hathaway Inc.
Melrose Industries PLC
Ticker / Exchange
BRK.B - New York Stock Exchange
MRO - London Stock Exchange
Market cap (USD)
n/a
$10B
Sector
Financials
Industrials
HQ country
US
GB
Primary segment
Insurance (underwriting + investment income)
Structures
Market structure
Competitive
Oligopoly
Market share
n/a
n/a
HHI estimate
n/a
n/a
Pricing power
n/a
Moderate
Moat score
64 / 100
77 / 100
Moat domains
Financial, Supply, Demand, Legal
Demand, Supply
Last update
2025-12-30
2025-12-28

Moat coverage

Shared moat types

Capacity MoatLong Term ContractsDesign In QualificationCapex Knowhow ScaleService Field Network

Berkshire Hathaway Inc. strengths

Float PrepaymentBrand TrustPhysical Network DensityConcession LicensePermits Rights Of WayIP Choke PointScale Economies Unit CostDistribution ControlTraining Org Change CostsPreferential Input AccessScope EconomiesCost Of Capital Advantage

Melrose Industries PLC strengths

No unique moat types yet.

Segment mix

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

Melrose Industries PLC segments

Full profile >

Engines

Oligopoly

42.1%

Structures

Oligopoly

57.9%

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.