VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 8, 2026
Stock Comparison
Berkshire Hathaway Inc. vs TMX Group 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
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 analysisTMX Group Limited
X · Toronto 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 TMX Group Limited's moat claims, evidence, and risks.
View X analysisComparison highlights
- Moat score gap: TMX Group Limited leads (70 / 100 vs 64 / 100 for Berkshire Hathaway Inc.).
- Segment focus: Berkshire Hathaway Inc. has 11 segments (28.3% in Insurance (underwriting + investment income)); TMX Group Limited has 9 segments (16.1% in Trayport energy trading workflow software and network).
- Primary market structure: Competitive vs Oligopoly. Pricing power: n/a vs Moderate.
- Moat breadth: Berkshire Hathaway Inc. has 17 moat types across 4 domains; TMX Group Limited has 12 across 5.
Primary market context
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%
TMX Group Limited
Trayport energy trading workflow software and network
Wholesale energy trading workflow software and network connectivity
Europe-centric, with global customers
Energy traders, brokers, exchanges/venues
Interoperability hub / workflow platform
16.1%
Side-by-side metrics
Moat coverage
Shared moat types
Berkshire Hathaway Inc. strengths
TMX Group Limited strengths
Segment mix
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
TMX Group Limited segments
Full profile >TSX & TSXV listing and sustaining fees
Oligopoly
Issuer services (TSX Trust and TMX Newsfile)
Competitive
Equities and fixed income trading venues (TSX, TSXV, TSX Alpha, Shorcan)
Oligopoly
Post-trade clearing, settlement and depository (CDS / CDSX)
Quasi-Monopoly
Canadian listed derivatives trading and clearing (Montreal Exchange + CDCC, excl. BOX)
Quasi-Monopoly
U.S. equity options exchange (BOX)
Competitive
Trayport energy trading workflow software and network
Oligopoly
TMX Datalinx market data and co-location
Quasi-Monopoly
TMX VettaFi indexing, ETF analytics, and digital distribution
Oligopoly
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 listLooking for expansion-stage stocks?
Proven models entering the expansion stage with unit economics that work.
View expansion-stage stocksCuration & 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.