VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 8, 2026
Stock Comparison
CSL Limited vs Paychex, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
CSL Limited
CSL · ASX
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
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 analysisComparison highlights
- Moat score gap: CSL Limited leads (77 / 100 vs 66 / 100 for Paychex, Inc.).
- Segment focus: CSL Limited has 3 segments (71.7% in CSL Behring); Paychex, Inc. has 3 segments (73% in Management Solutions).
- Moat breadth: CSL Limited has 7 moat types across 3 domains; Paychex, Inc. has 7 across 4.
Primary market context
CSL Limited
CSL Behring
Plasma-derived therapies (immunoglobulins, albumin, coagulation factors) plus recombinant and gene therapies for rare and serious diseases
Global
Hospitals, specialty pharmacies, physicians; payers and national health systems
Vertically integrated biopharma (plasma collection -> fractionation/manufacturing -> commercial distribution)
71.7%
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%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
CSL Limited strengths
Paychex, Inc. strengths
Segment mix
CSL Limited segments
Full profile >CSL Behring
Oligopoly
CSL Seqirus
Oligopoly
CSL Vifor
Oligopoly
Paychex, Inc. segments
Full profile >Management Solutions
Oligopoly
PEO and Insurance Solutions
Competitive
Client funds float (interest on funds held for clients)
Oligopoly
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.