VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Abbott Laboratories vs Merck & Co., Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Abbott Laboratories
ABT · 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 Abbott Laboratories's moat claims, evidence, and risks.
View ABT analysisMerck & 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 analysisComparison highlights
- Moat score gap: Merck & Co., Inc. leads (71 / 100 vs 64 / 100 for Abbott Laboratories).
- Segment focus: Abbott Laboratories has 7 segments (26.7% in Cardiovascular & Electrophysiology Devices); Merck & Co., Inc. has 2 segments (89.5% in Pharmaceutical).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Moderate vs Moderate.
- Moat breadth: Abbott Laboratories has 10 moat types across 3 domains; Merck & Co., Inc. has 5 across 3.
Primary market context
Abbott Laboratories
Cardiovascular & Electrophysiology Devices
Cardiovascular, electrophysiology, rhythm management, structural heart and heart failure devices
Global
Hospitals, ambulatory surgery centers, cardiologists/electrophysiologists
Implantable device manufacturer
26.7%
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%
Side-by-side metrics
Moat coverage
Shared moat types
Abbott Laboratories strengths
Merck & Co., Inc. strengths
Segment mix
Abbott Laboratories segments
Full profile >Established Pharmaceutical Products
Competitive
Diagnostic Products
Oligopoly
Pediatric Nutrition
Oligopoly
Adult Nutrition
Oligopoly
Diabetes Care (CGM & glucose monitoring)
Duopoly
Cardiovascular & Electrophysiology Devices
Oligopoly
Neuromodulation Devices
Oligopoly
Merck & Co., Inc. segments
Full profile >Pharmaceutical
Competitive
Animal Health
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.