VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Sunday, January 11, 2026
Stock Comparison
Alcon Inc. vs Gilead Sciences, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Alcon Inc.
ALC · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Gilead Sciences, Inc.
GILD · 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 Gilead Sciences, Inc.'s moat claims, evidence, and risks.
View GILD analysisComparison highlights
- Moat score gap: Gilead Sciences, Inc. leads (74 / 100 vs 71 / 100 for Alcon Inc.).
- Segment focus: Alcon Inc. has 2 segments (56% in Surgical); Gilead Sciences, Inc. has 5 segments (68.5% in HIV).
- Moat breadth: Alcon Inc. has 7 moat types across 3 domains; Gilead Sciences, Inc. has 8 across 3.
Primary market context
Alcon Inc.
Surgical
Ophthalmic surgical devices (implantables, consumables, equipment) and related service/training
Global
Ophthalmic surgeons, hospitals, ambulatory surgery centers, group purchasing organizations
Medical device OEM with direct service, clinical support, and training
56%
Gilead Sciences, Inc.
HIV
HIV treatment and prevention medicines (antiretroviral therapy and PrEP)
Global (U.S. and Europe are major markets)
Patients/prescribers; reimbursed by public and private payers; distributed via wholesalers and specialty pharmacies
Drug developer and marketing authorization holder
68.5%
Side-by-side metrics
Moat coverage
Shared moat types
Alcon Inc. strengths
Gilead Sciences, Inc. strengths
Segment mix
Alcon Inc. segments
Full profile >Surgical
Oligopoly
Vision Care
Oligopoly
Gilead Sciences, Inc. segments
Full profile >HIV
Oligopoly
Oncology (Cell Therapy + Trodelvy)
Oligopoly
Liver Disease
Oligopoly
Veklury (Remdesivir)
Competitive
Other Products
Competitive
Want the full wide moat stocks list?
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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.