VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Tuesday, December 30, 2025
Stock Comparison
Merck & Co., Inc. vs RELX PLC
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 analysisRELX PLC
REL · 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: RELX PLC leads (78 / 100 vs 71 / 100 for Merck & Co., Inc.).
- Segment focus: Merck & Co., Inc. has 2 segments (89.5% in Pharmaceutical); RELX PLC has 4 segments (34.4% in Risk).
- Primary market structure: Competitive vs Oligopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Merck & Co., Inc. has 5 moat types across 3 domains; RELX PLC has 8 across 3.
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%
RELX PLC
Risk
Risk analytics & decisioning platforms (fraud/identity, financial crime compliance, insurance underwriting/claims, industry data)
Global (largest in North America)
Enterprises (banks, insurers, digital commerce), governments, and other regulated industries
Data/analytics provider and workflow platform
34.4%
Side-by-side metrics
Moat coverage
Shared moat types
Merck & Co., Inc. strengths
RELX PLC strengths
Segment mix
Merck & Co., Inc. segments
Full profile >Pharmaceutical
Competitive
Animal Health
Oligopoly
RELX PLC segments
Full profile >Risk
Oligopoly
Scientific, Technical & Medical
Oligopoly
Legal
Oligopoly
Exhibitions
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 Pricing, features, and availability may be incomplete or out of date.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.