VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 8, 2026
Stock Comparison
Pfizer Inc. vs ResMed Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
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.
ResMed Inc.
RMD · 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: ResMed Inc. leads (76 / 100 vs 58 / 100 for Pfizer Inc.).
- Segment focus: Pfizer Inc. has 5 segments (47.4% in Primary Care); ResMed Inc. has 2 segments (87.5% in Sleep and Breathing Health).
- Moat breadth: Pfizer Inc. has 8 moat types across 3 domains; ResMed Inc. has 7 across 2.
Primary market context
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%
ResMed Inc.
Sleep and Breathing Health
Sleep apnea and respiratory care devices and related consumables (PAP, masks, ventilation) plus connected monitoring services
Global
DME/HME providers, sleep clinics, hospitals, patients
Medical device OEM + connected care software/data services
87.5%
Side-by-side metrics
Moat coverage
Shared moat types
Pfizer Inc. strengths
ResMed Inc. strengths
Segment mix
Pfizer Inc. segments
Full profile >Primary Care
Oligopoly
Specialty Care
Oligopoly
Oncology
Competitive
Pfizer CentreOne
Competitive
Pfizer Ignite
Competitive
ResMed Inc. segments
Full profile >Sleep and Breathing Health
Oligopoly
Residential Care Software
Competitive
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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).
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