VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 1, 2026
Stock Comparison
Marriott International, Inc. vs Merck & Co., Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Marriott International, Inc.
MAR · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Marriott International, Inc.'s moat claims, evidence, and risks.
View MAR 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: Marriott International, Inc. leads (72 / 100 vs 71 / 100 for Merck & Co., Inc.).
- Segment focus: Marriott International, Inc. has 2 segments; Merck & Co., Inc. has 2 segments (89.5% in Pharmaceutical).
- Moat breadth: Marriott International, Inc. has 4 moat types across 3 domains; Merck & Co., Inc. has 5 across 3.
Primary market context
Marriott International, Inc.
U.S. & Canada Lodging Platform
Branded hotel franchising & management platform (including loyalty and reservation systems)
U.S. & Canada
Two-sided: travelers (guests) and hotel owners (franchisees/owners of managed properties)
Brand owner / franchisor / manager; operator of reservation, loyalty, and marketing systems
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
No overlap yet.
Marriott International, Inc. strengths
Merck & Co., Inc. strengths
Segment mix
Marriott International, Inc. segments
Full profile >U.S. & Canada Lodging Platform
Competitive
International Lodging Platform
Competitive
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.