VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Kao Corporation vs Berkshire Hathaway Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Kao Corporation
4452 · Tokyo Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Kao Corporation's moat claims, evidence, and risks.
View 4452 analysisBerkshire Hathaway Inc.
BRK.B · New York Stock Exchange
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 analysisComparison highlights
- Moat score gap: Berkshire Hathaway Inc. leads (64 / 100 vs 60 / 100 for Kao Corporation).
- Segment focus: Kao Corporation has 5 segments (33.5% in Hygiene Living Care Business); Berkshire Hathaway Inc. has 11 segments (28.3% in Insurance (underwriting + investment income)).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Moderate vs n/a.
- Moat breadth: Kao Corporation has 5 moat types across 2 domains; Berkshire Hathaway Inc. has 17 across 4.
Primary market context
Kao Corporation
Hygiene Living Care Business
Household & fabric care and sanitary consumer packaged goods
Japan and Asia (with select global brands)
Consumers (retail)
Branded manufacturer
33.5%
Berkshire Hathaway Inc.
Insurance (underwriting + investment income)
Insurance and reinsurance (property and casualty + life/health), including float-funded investing
Global
Consumers and businesses (policyholders) and insurers (reinsurance cedents)
Underwriter and reinsurer plus investment manager of float
28.3%
Side-by-side metrics
Moat coverage
Shared moat types
Kao Corporation strengths
No unique moat types yet.
Berkshire Hathaway Inc. strengths
Segment mix
Kao Corporation segments
Full profile >Hygiene Living Care Business
Oligopoly
Health Beauty Care Business
Competitive
Cosmetics Business
Competitive
Business Connected Business
Competitive
Chemical Business
Competitive
Berkshire Hathaway Inc. segments
Full profile >Insurance (underwriting + investment income)
Competitive
BNSF Railway (freight rail transportation)
Oligopoly
Berkshire Hathaway Energy (regulated utilities, pipelines, renewables)
Monopoly
Industrial products manufacturing (PCC, Lubrizol, IMC, Marmon, etc.)
Oligopoly
Building products & housing (Clayton Homes, Shaw, Johns Manville, Benjamin Moore, etc.)
Competitive
Consumer products manufacturing (Duracell, Forest River, apparel/footwear, toys, etc.)
Competitive
Service businesses (FlightSafety, NetJets, TTI, Dairy Queen, etc.)
Competitive
Retailing businesses (Berkshire Hathaway Automotive, home furnishings, jewelry, See's, etc.)
Competitive
Pilot Travel Centers (travel centers + wholesale fuel marketing)
Oligopoly
McLane (wholesale distribution to convenience stores and restaurants)
Oligopoly
Holding company capital allocation and investing
Competitive
Want the full wide moat stocks list?
Browse the full ranking of wide moat stocks, updated with moat scores and segment context.
View the moat stocks listCuration & 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.