VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 7, 2026
Stock Comparison
Paychex, Inc. vs Pfizer Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Paychex, Inc.
PAYX · NASDAQ Global Select Market
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Paychex, Inc.'s moat claims, evidence, and risks.
View PAYX analysisPfizer Inc.
PFE · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: Paychex, Inc. leads (66 / 100 vs 58 / 100 for Pfizer Inc.).
- Segment focus: Paychex, Inc. has 3 segments (73% in Management Solutions); Pfizer Inc. has 5 segments (47.4% in Primary Care).
- Moat breadth: Paychex, Inc. has 7 moat types across 4 domains; Pfizer Inc. has 8 across 3.
Primary market context
Paychex, Inc.
Management Solutions
Payroll processing and integrated HCM solutions for SMB and mid-market employers
United States (primarily)
Employers (SMB and mid-market)
HCM SaaS + outsourced payroll/HR service provider
73%
Pfizer Inc.
Primary Care
Branded primary care medicines and vaccines (incl. cardiovascular, migraine, pneumococcal/RSV/COVID-19)
Global
Healthcare providers, payers/PBMs, pharmacies/wholesalers, and government procurement
Innovator biopharma (R&D + manufacturing + commercialization)
47.4%
Side-by-side metrics
Moat coverage
Shared moat types
Paychex, Inc. strengths
Pfizer Inc. strengths
Segment mix
Paychex, Inc. segments
Full profile >Management Solutions
Oligopoly
PEO and Insurance Solutions
Competitive
Client funds float (interest on funds held for clients)
Oligopoly
Pfizer Inc. segments
Full profile >Primary Care
Oligopoly
Specialty Care
Oligopoly
Oncology
Competitive
Pfizer CentreOne
Competitive
Pfizer Ignite
Competitive
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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 Pricing, features, and availability may be incomplete or out of date.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.