VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Constellation Software Inc. vs Merck & Co., Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Constellation Software Inc.
CSU · Toronto 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 Constellation Software Inc.'s moat claims, evidence, and risks.
View CSU 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: Constellation Software Inc. leads (74 / 100 vs 71 / 100 for Merck & Co., Inc.).
- Segment focus: Constellation Software Inc. has 6 segments; Merck & Co., Inc. has 2 segments (89.5% in Pharmaceutical).
- Moat breadth: Constellation Software Inc. has 3 moat types across 2 domains; Merck & Co., Inc. has 5 across 3.
Primary market context
Constellation Software Inc.
Volaris Operating Group
Vertical market software (VMS) portfolios across diverse industries (Volaris)
Global (North America, Continental Europe, UK, Australia, South America, Africa)
Organizations in specific verticals (mix of public and private sector)
Vertical market software vendor (application provider + long-term maintainer)
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.
Constellation Software Inc. strengths
Merck & Co., Inc. strengths
Segment mix
Constellation Software Inc. segments
Full profile >Volaris Operating Group
Competitive
Harris Operating Group
Competitive
Topicus.com Operating Group
Competitive
Jonas Operating Group
Competitive
Perseus Operating Group
Competitive
Vela Operating Group
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.