VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 7, 2026
Stock Comparison
Duolingo, Inc. vs Roche Holding AG
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Duolingo, Inc.
DUOL · 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 Duolingo, Inc.'s moat claims, evidence, and risks.
View DUOL analysisRoche Holding AG
ROG · SIX Swiss 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 Roche Holding AG's moat claims, evidence, and risks.
View ROG analysisComparison highlights
- Moat score: both at 68 / 100.
- Segment focus: Duolingo, Inc. has 2 segments (93.9% in Duolingo App); Roche Holding AG has 2 segments (76.3% in Pharmaceuticals).
- Moat breadth: Duolingo, Inc. has 6 moat types across 3 domains; Roche Holding AG has 5 across 3.
Primary market context
Duolingo, Inc.
Duolingo App
Mobile-first, freemium language learning and adjacent subjects (math, music)
Global
Consumers (end-users); advertisers
Digital learning platform / content & software publisher
93.9%
Roche Holding AG
Pharmaceuticals
Innovative (branded) prescription pharmaceuticals
Global
Healthcare providers and systems (hospitals/clinics), payers/governments, and patients
Innovator pharmaceutical developer, manufacturer and marketer
76.3%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Duolingo, Inc. strengths
Roche Holding AG strengths
Segment mix
Duolingo, Inc. segments
Full profile >Duolingo App
Competitive
Duolingo English Test
Oligopoly
Roche Holding AG segments
Full profile >Pharmaceuticals
Competitive
Diagnostics
Oligopoly
Want the full wide moat stocks list?
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View the moat stocks listLooking for expansion-stage stocks?
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.