VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 1, 2026
Stock Comparison
Merck & Co., Inc. vs Parker-Hannifin Corporation
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 analysisParker-Hannifin Corporation
PH · 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 Parker-Hannifin Corporation's moat claims, evidence, and risks.
View PH analysisComparison highlights
- Moat score: both at 71 / 100.
- Segment focus: Merck & Co., Inc. has 2 segments (89.5% in Pharmaceutical); Parker-Hannifin Corporation has 2 segments (68.8% in Diversified Industrial).
- Moat breadth: Merck & Co., Inc. has 5 moat types across 3 domains; Parker-Hannifin Corporation has 5 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%
Parker-Hannifin Corporation
Diversified Industrial
Motion and control components & systems (industrial and mobile applications)
Global
OEMs and industrial distributors/aftermarket channels
Component and system designer/manufacturer with aftermarket support
68.8%
Side-by-side metrics
Moat coverage
Shared moat types
Merck & Co., Inc. strengths
Parker-Hannifin Corporation strengths
Segment mix
Merck & Co., Inc. segments
Full profile >Pharmaceutical
Competitive
Animal Health
Oligopoly
Parker-Hannifin Corporation segments
Full profile >Diversified Industrial
Competitive
Aerospace Systems
Oligopoly
Want the full wide moat stocks list?
Browse the full ranking of wide moat stocks, updated with moat scores and segment context.
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.