VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 7, 2026
Stock Comparison
Duolingo, Inc. vs Fastenal Company
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 analysisFastenal Company
FAST · Nasdaq Stock 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 Fastenal Company's moat claims, evidence, and risks.
View FAST analysisComparison highlights
- Moat score gap: Duolingo, Inc. leads (68 / 100 vs 60 / 100 for Fastenal Company).
- Segment focus: Duolingo, Inc. has 2 segments (93.9% in Duolingo App); Fastenal Company has 3 segments (54.5% in Branch-based distribution (in-market branches)).
- Primary market structure: Competitive vs Competitive. Pricing power: Moderate vs Weak.
- Moat breadth: Duolingo, Inc. has 6 moat types across 3 domains; Fastenal Company has 5 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%
Fastenal Company
Branch-based distribution (in-market branches)
Industrial & construction supplies distribution (MRO/OEM consumables) via local branches
North America (primary) + select international
B2B
Distributor / MRO supplier
54.5%
Side-by-side metrics
Moat coverage
Shared moat types
Duolingo, Inc. strengths
Fastenal Company strengths
Segment mix
Duolingo, Inc. segments
Full profile >Duolingo App
Competitive
Duolingo English Test
Oligopoly
Fastenal Company segments
Full profile >Branch-based distribution (in-market branches)
Competitive
Onsite solutions (embedded customer locations)
Competitive
Other / non-traditional sales (services & custom manufacturing)
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.