VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Merck & Co., Inc. vs Prologis, Inc.
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 analysisPrologis, Inc.
PLD · 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 Prologis, Inc.'s moat claims, evidence, and risks.
View PLD analysisComparison highlights
- Moat score gap: Merck & Co., Inc. leads (71 / 100 vs 67 / 100 for Prologis, Inc.).
- Segment focus: Merck & Co., Inc. has 2 segments (89.5% in Pharmaceutical); Prologis, Inc. has 2 segments (91.8% in Real Estate (Rental Operations and Development)).
- Primary market structure: Competitive vs Competitive. Pricing power: Moderate vs Strong.
- Moat breadth: Merck & Co., Inc. has 5 moat types across 3 domains; Prologis, Inc. has 7 across 4.
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%
Prologis, Inc.
Real Estate (Rental Operations and Development)
Logistics/industrial real estate leasing & development
Global
Logistics users (retail, e-commerce, 3PL, manufacturing)
Owner/operator/developer (landlord)
91.8%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Merck & Co., Inc. strengths
Prologis, Inc. strengths
Segment mix
Merck & Co., Inc. segments
Full profile >Pharmaceutical
Competitive
Animal Health
Oligopoly
Prologis, Inc. segments
Full profile >Real Estate (Rental Operations and Development)
Competitive
Strategic Capital (co-investment ventures / investment management)
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.