VOL. XCIV, NO. 247
* WIDE MOAT STOCKS COMPARISON *
NO ADVICE
Monday, December 29, 2025
Stock Comparison
HOYA Corporation vs Amgen Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
HOYA Corporation
7741 · Tokyo Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into HOYA Corporation's moat claims, evidence, and risks.
View 7741 analysisAmgen Inc.
AMGN · Nasdaq Stock Market
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: HOYA Corporation leads (72 / 100 vs 70 / 100 for Amgen Inc.).
- Segment focus: HOYA Corporation has 5 segments (48.2% in Eye Health Domain (healthcare-related products)); Amgen Inc. has 3 segments (80.1% in Core Innovative Medicines).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Moderate vs Moderate.
- Moat breadth: HOYA Corporation has 7 moat types across 3 domains; Amgen Inc. has 5 across 3.
Primary market context
HOYA Corporation
Eye Health Domain (healthcare-related products)
Ophthalmic products (eyeglass lenses, contact lens retail, intraocular lenses)
Global (eyeglass lenses & IOL); Japan (contact lens retail)
Optical retailers, consumers, hospitals/clinics
Manufacturer and retailer
48.2%
Amgen Inc.
Core Innovative Medicines
Branded biopharmaceutical therapies for common diseases (bone health, inflammation, oncology, cardiovascular and other specialty areas)
Global
Payers, providers, and pharmacies
Drug developer/manufacturer
80.1%
Side-by-side metrics
Moat coverage
Shared moat types
HOYA Corporation strengths
Amgen Inc. strengths
Segment mix
HOYA Corporation segments
Full profile >Eye Health Domain (healthcare-related products)
Oligopoly
Med-Tech Domain (medical-related products)
Oligopoly
Electronics-related products (semiconductor/display photomask materials, HDD substrates)
Oligopoly
Imaging-related products (optical lenses and optical materials)
Competitive
Other (speech synthesis software)
Competitive
Amgen Inc. segments
Full profile >Core Innovative Medicines
Competitive
Rare Disease Portfolio (Horizon + others)
Quasi-Monopoly
Biosimilars
Oligopoly
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View the moat stocks listCuration & 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.