VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Merck & Co., Inc. vs Pro Medicus Limited
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Merck & Co., Inc.
MRK · 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 Merck & Co., Inc.'s moat claims, evidence, and risks.
View MRK analysisPro Medicus Limited
PME · ASX
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Pro Medicus Limited's moat claims, evidence, and risks.
View PME analysisComparison highlights
- Moat score gap: Pro Medicus Limited leads (80 / 100 vs 71 / 100 for Merck & Co., Inc.).
- Segment focus: Merck & Co., Inc. has 2 segments (89.5% in Pharmaceutical); Pro Medicus Limited has 2 segments (92.5% in Visage 7 Enterprise Imaging Platform (PACS / CloudPACS)).
- Primary market structure: Competitive vs Oligopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Merck & Co., Inc. has 5 moat types across 3 domains; Pro Medicus Limited has 6 across 2.
Primary market context
Merck & Co., Inc.
Pharmaceutical
Branded prescription pharmaceuticals & human vaccines
Global
Wholesalers/retailers, managed care and government payers, hospitals/clinics
R&D-intensive innovator, manufacturer, and marketer
89.5%
Pro Medicus Limited
Visage 7 Enterprise Imaging Platform (PACS / CloudPACS)
Enterprise imaging / PACS and related modules for hospitals and integrated delivery networks (IDNs)
Primarily North America; also Europe and Australia
Hospitals, imaging centers, integrated delivery networks (IDNs)
Healthcare IT software vendor / platform provider
92.5%
Side-by-side metrics
Moat coverage
Shared moat types
Merck & Co., Inc. strengths
Pro Medicus Limited strengths
Segment mix
Merck & Co., Inc. segments
Full profile >Pharmaceutical
Competitive
Animal Health
Oligopoly
Pro Medicus Limited segments
Full profile >Visage 7 Enterprise Imaging Platform (PACS / CloudPACS)
Oligopoly
Visage RIS (Radiology Information System) and Promedicus.net
Oligopoly
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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.