VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 8, 2026
Stock Comparison
Merck & Co., Inc. vs Rollins, 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 analysisRollins, Inc.
ROL · 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 Rollins, Inc.'s moat claims, evidence, and risks.
View ROL analysisComparison highlights
- Moat score gap: Merck & Co., Inc. leads (71 / 100 vs 70 / 100 for Rollins, Inc.).
- Segment focus: Merck & Co., Inc. has 2 segments (89.5% in Pharmaceutical); Rollins, Inc. has 4 segments (45.3% in Residential Pest Control).
- Moat breadth: Merck & Co., Inc. has 5 moat types across 3 domains; Rollins, Inc. has 8 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%
Rollins, Inc.
Residential Pest Control
Residential pest control services
Global (primarily United States)
Households
Service provider
45.3%
Side-by-side metrics
Moat coverage
Shared moat types
Merck & Co., Inc. strengths
Rollins, Inc. strengths
Segment mix
Merck & Co., Inc. segments
Full profile >Pharmaceutical
Competitive
Animal Health
Oligopoly
Rollins, Inc. segments
Full profile >Residential Pest Control
Competitive
Commercial Pest Control
Competitive
Termite & Ancillary Services
Competitive
Franchise & Other
Competitive
Want the full wide moat stocks list?
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View the moat stocks listLooking for expansion-stage stocks?
Proven models entering the expansion stage with unit economics that work.
View expansion-stage stocksCuration & 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.