VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Stock Comparison
HOYA Corporation vs DexCom, 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 analysisDexCom, Inc.
DXCM · 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 DexCom, Inc.'s moat claims, evidence, and risks.
View DXCM analysisComparison highlights
- Moat score gap: DexCom, Inc. leads (82 / 100 vs 72 / 100 for HOYA Corporation).
- Segment focus: HOYA Corporation has 5 segments (48.2% in Eye Health Domain (healthcare-related products)); DexCom, Inc. has 1 segment (100% in Continuous glucose monitoring systems).
- Moat breadth: HOYA Corporation has 7 moat types across 3 domains; DexCom, 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%
DexCom, Inc.
Continuous glucose monitoring systems
Global continuous glucose monitoring systems and glucose biosensing devices
Global, with FY2025 revenue 71.5% United States and 28.5% international
People with diabetes, metabolic-health users, caregivers, clinicians, payors, distributors and pharmacy channels
CGM device manufacturer, disposable sensor supplier, software/data platform and distribution partner
100%
Side-by-side metrics
Moat coverage
Shared moat types
HOYA Corporation strengths
DexCom, 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
DexCom, Inc. segments
Full profile >Continuous glucose monitoring systems
Oligopoly
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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.