VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Halma plc vs Pfizer Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Halma plc
HLMA · London Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Pfizer Inc.
PFE · New York 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: Halma plc leads (59 / 100 vs 58 / 100 for Pfizer Inc.).
- Segment focus: Halma plc has 3 segments (40% in Safety); Pfizer Inc. has 5 segments (47.4% in Primary Care).
- Primary market structure: Competitive vs Oligopoly. Pricing power: Moderate vs Moderate.
- Moat breadth: Halma plc has 4 moat types across 2 domains; Pfizer Inc. has 8 across 3.
Primary market context
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%
Pfizer Inc.
Primary Care
Branded primary care medicines and vaccines (incl. cardiovascular, migraine, pneumococcal/RSV/COVID-19)
Global
Healthcare providers, payers/PBMs, pharmacies/wholesalers, and government procurement
Innovator biopharma (R&D + manufacturing + commercialization)
47.4%
Side-by-side metrics
Moat coverage
Shared moat types
Halma plc strengths
Pfizer Inc. strengths
Segment mix
Halma plc segments
Full profile >Safety
Competitive
Environmental & Analysis
Competitive
Healthcare
Competitive
Pfizer Inc. segments
Full profile >Primary Care
Oligopoly
Specialty Care
Oligopoly
Oncology
Competitive
Pfizer CentreOne
Competitive
Pfizer Ignite
Competitive
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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 Pricing, features, and availability may be incomplete or out of date.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.