VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Thursday, January 8, 2026

Stock Comparison

Berkshire Hathaway Inc. vs Sea Limited

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)
Gross margin (TTM)28.7%
Operating margin (TTM)15.8%
Net margin (TTM)17.8%
SectorFinancials
Industry
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

Sea Limited

SE · New York Stock Exchange

Market cap (USD)$82.8B
Gross margin (TTM)44.9%
Operating margin (TTM)8.2%
Net margin (TTM)6.8%
SectorConsumer
IndustrySpecialty Retail
CountrySG
Data as of2026-01-06
Moat score
69/ 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 Sea Limited's moat claims, evidence, and risks.

View SE analysis

Comparison highlights

  • Moat score gap: Sea Limited leads (69 / 100 vs 64 / 100 for Berkshire Hathaway Inc.).
  • Segment focus: Berkshire Hathaway Inc. has 11 segments (28.3% in Insurance (underwriting + investment income)); Sea Limited has 3 segments (73.8% in Shopee (E-commerce)).
  • Primary market structure: Competitive vs Oligopoly. Pricing power: n/a vs Moderate.
  • Moat breadth: Berkshire Hathaway Inc. has 17 moat types across 4 domains; Sea Limited has 6 across 3.

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%

Sea Limited

Shopee (E-commerce)

Market

E-commerce marketplace and related value-added services

Geography

Southeast Asia, Taiwan, Brazil

Customer

Consumers and sellers

Role

Marketplace operator

Revenue share

73.8%

Side-by-side metrics

Berkshire Hathaway Inc.
Sea Limited
Ticker / Exchange
BRK.B - New York Stock Exchange
SE - New York Stock Exchange
Market cap (USD)
n/a
$82.8B
Gross margin (TTM)
28.7%
44.9%
Operating margin (TTM)
15.8%
8.2%
Net margin (TTM)
17.8%
6.8%
Sector
Financials
Consumer
Industry
n/a
Specialty Retail
HQ country
US
SG
Primary segment
Insurance (underwriting + investment income)
Shopee (E-commerce)
Market structure
Competitive
Oligopoly
Market share
n/a
52% (reported)
HHI estimate
n/a
n/a
Pricing power
n/a
Moderate
Moat score
64 / 100
69 / 100
Moat domains
Financial, Supply, Demand, Legal
Network, Supply, Legal
Last update
2025-12-30
2026-01-06

Moat coverage

Shared moat types

Distribution Control

Berkshire Hathaway Inc. strengths

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

Sea Limited strengths

Two Sided NetworkEcosystem ComplementsRegulated Standards PipeDirect Network EffectsContractual Exclusivity

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

Sea Limited segments

Full profile >

Shopee (E-commerce)

Oligopoly

73.8%

SeaMoney (Digital Financial Services)

Competitive

14.1%

Garena (Digital Entertainment)

Competitive

11.4%

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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Looking for expansion-stage stocks?

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

View expansion-stage stocks

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.