VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Saturday, January 10, 2026
Stock Comparison
Sanofi vs Vertex Pharmaceuticals Incorporated
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Sanofi
SAN · Euronext Paris
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Vertex Pharmaceuticals Incorporated
VRTX · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Vertex Pharmaceuticals Incorporated's moat claims, evidence, and risks.
View VRTX analysisComparison highlights
- Moat score gap: Vertex Pharmaceuticals Incorporated leads (99 / 100 vs 74 / 100 for Sanofi).
- Segment focus: Sanofi has 3 segments (79.8% in Pharma (Prescription Medicines)); Vertex Pharmaceuticals Incorporated has 3 segments (99.9% in Cystic Fibrosis CFTR Modulators).
- Primary market structure: Oligopoly vs Quasi-Monopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Sanofi has 5 moat types across 3 domains; Vertex Pharmaceuticals Incorporated has 7 across 4.
Primary market context
Sanofi
Pharma (Prescription Medicines)
Branded prescription pharmaceuticals (immunology, rare disease, neurology, oncology, general medicines)
Global
Patients via payers/providers and channel partners (wholesalers, pharmacies, hospitals)
Research-based drug developer, manufacturer, and marketer
79.8%
Vertex Pharmaceuticals Incorporated
Cystic Fibrosis CFTR Modulators
CFTR modulator therapies for cystic fibrosis
U.S., Europe, Australia, Canada
Patients (via specialty pharmacies/payers); CF care centers
Drug developer/manufacturer
99.9%
Side-by-side metrics
Moat coverage
Shared moat types
Sanofi strengths
Vertex Pharmaceuticals Incorporated strengths
Segment mix
Sanofi segments
Full profile >Pharma (Prescription Medicines)
Oligopoly
Vaccines
Oligopoly
Opella (Consumer Healthcare - Sanofi minority stake)
Competitive
Vertex Pharmaceuticals Incorporated segments
Full profile >Cystic Fibrosis CFTR Modulators
Quasi-Monopoly
Hemoglobinopathies Gene Therapy (CASGEVY)
Oligopoly
Acute Pain (JOURNAVX)
Competitive
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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.