VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
GSK plc vs Halma plc
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.
Halma plc
HLMA · London Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: GSK plc leads (62 / 100 vs 59 / 100 for Halma plc).
- Segment focus: GSK plc has 3 segments (37.6% in Specialty Medicines); Halma plc has 3 segments (40% in Safety).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Strong vs Moderate.
- Moat breadth: GSK plc has 4 moat types across 3 domains; Halma plc has 4 across 2.
Primary market context
GSK plc
Specialty Medicines
Branded specialty pharmaceuticals (HIV, oncology, immunology/respiratory)
Global
Hospitals, specialist physicians, payers
Innovator & branded manufacturer
37.6%
Halma plc
Safety
Safety technologies (fire safety, public safety, worker safety, and protection of critical assets/infrastructure)
Global
Commercial/industrial facility owners and operators; infrastructure operators; installers and OEM channels
Technology OEM / component + systems supplier
40%
Side-by-side metrics
Moat coverage
Shared moat types
GSK plc strengths
Halma plc strengths
Segment mix
GSK plc segments
Full profile >Vaccines
Oligopoly
Specialty Medicines
Oligopoly
General Medicines
Competitive
Halma plc segments
Full profile >Safety
Competitive
Environmental & Analysis
Competitive
Healthcare
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 Pricing, features, and availability may be incomplete or out of date.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.