VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Sunday, January 11, 2026
Stock Comparison
VeriSign, Inc. vs Vertex Pharmaceuticals Incorporated
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
VeriSign, Inc.
VRSN · 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 VeriSign, Inc.'s moat claims, evidence, and risks.
View VRSN analysisVertex 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: VeriSign, Inc. leads (100 / 100 vs 99 / 100 for Vertex Pharmaceuticals Incorporated).
- Segment focus: VeriSign, Inc. has 1 segment (100% in Naming Services (.com and .net registry)); Vertex Pharmaceuticals Incorporated has 3 segments (99.9% in Cystic Fibrosis CFTR Modulators).
- Primary market structure: Monopoly vs Quasi-Monopoly. Pricing power: Strong vs Strong.
- Moat breadth: VeriSign, Inc. has 4 moat types across 4 domains; Vertex Pharmaceuticals Incorporated has 7 across 4.
Primary market context
VeriSign, Inc.
Naming Services (.com and .net registry)
Registry operator services for .com and .net top-level domains (domain registrations + authoritative DNS resolution)
Global
ICANN-accredited domain registrars (wholesale) and, indirectly, registrants
Registry operator / DNS infrastructure provider
100%
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
No overlap yet.
VeriSign, Inc. strengths
Vertex Pharmaceuticals Incorporated strengths
Segment mix
VeriSign, Inc. segments
Full profile >Naming Services (.com and .net registry)
Monopoly
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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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.