VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 8, 2026
Stock Comparison
GSK plc vs Watsco, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
GSK plc
GSK · London Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Watsco, Inc.
WSO · 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 Watsco, Inc.'s moat claims, evidence, and risks.
View WSO analysisComparison highlights
- Moat score gap: Watsco, Inc. leads (72 / 100 vs 62 / 100 for GSK plc).
- Segment focus: GSK plc has 3 segments (37.6% in Specialty Medicines); Watsco, Inc. has 1 segment (100% in HVAC/R Distribution).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Strong vs Moderate.
- Moat breadth: GSK plc has 4 moat types across 3 domains; Watsco, Inc. has 4 across 3.
Primary market context
GSK plc
Specialty Medicines
Branded specialty pharmaceuticals (HIV, oncology, immunology/respiratory)
Global
Hospitals, specialist physicians, payers
Innovator & branded manufacturer
37.6%
Watsco, Inc.
HVAC/R Distribution
HVAC/R equipment, parts and supplies distribution
North America (U.S., Canada, Mexico, Puerto Rico; export to Latin America/Caribbean)
Licensed HVAC and refrigeration contractors (residential & commercial)
Wholesale distributor
100%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
GSK plc strengths
Watsco, Inc. strengths
Segment mix
GSK plc segments
Full profile >Vaccines
Oligopoly
Specialty Medicines
Oligopoly
General Medicines
Competitive
Watsco, Inc. segments
Full profile >HVAC/R Distribution
Competitive
Want the full wide moat stocks list?
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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 Pricing, features, and availability may be incomplete or out of date.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.