VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 8, 2026
Stock Comparison
Duolingo, Inc. vs Halma plc
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 analysisHalma plc
HLMA · London Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: Duolingo, Inc. leads (68 / 100 vs 59 / 100 for Halma plc).
- Segment focus: Duolingo, Inc. has 2 segments (93.9% in Duolingo App); Halma plc has 3 segments (40% in Safety).
- Moat breadth: Duolingo, Inc. has 6 moat types across 3 domains; Halma plc has 4 across 2.
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%
Halma plc
Safety
Safety technologies (fire safety, public safety, worker safety, and protection of critical assets/infrastructure)
Global
Commercial/industrial facility owners and operators; infrastructure operators; installers and OEM channels
Technology OEM / component + systems supplier
40%
Side-by-side metrics
Moat coverage
Shared moat types
Duolingo, Inc. strengths
Halma plc strengths
Segment mix
Duolingo, Inc. segments
Full profile >Duolingo App
Competitive
Duolingo English Test
Oligopoly
Halma plc segments
Full profile >Safety
Competitive
Environmental & Analysis
Competitive
Healthcare
Competitive
Want the full wide moat stocks list?
Browse the full ranking of wide moat stocks, updated with moat scores and segment context.
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.