VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Wednesday, January 7, 2026

Stock Comparison

Duolingo, Inc. vs Eli Lilly and Company

Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.

Duolingo, Inc.

DUOL · NASDAQ

Market cap (USD)$8.6B
Gross margin (TTM)72%
Operating margin (TTM)11%
Net margin (TTM)40%
SectorTechnology
IndustrySoftware - Application
CountryUS
Data as of2026-01-06
Moat score
68/ 100

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 analysis

Eli Lilly and Company

LLY · New York Stock Exchange

Market cap (USD)$935.6B
Gross margin (TTM)83%
Operating margin (TTM)43.9%
Net margin (TTM)31%
SectorHealthcare
IndustryDrug Manufacturers - General
CountryUS
Data as of2026-01-05
Moat score
66/ 100

Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.

Full stock profile

Dive deeper into Eli Lilly and Company's moat claims, evidence, and risks.

View LLY analysis

Comparison highlights

  • Moat score gap: Duolingo, Inc. leads (68 / 100 vs 66 / 100 for Eli Lilly and Company).
  • Segment focus: Duolingo, Inc. has 2 segments (93.9% in Duolingo App); Eli Lilly and Company has 5 segments (65.5% in Cardiometabolic Health).
  • Primary market structure: Competitive vs Oligopoly. Pricing power: Moderate vs Strong.
  • Moat breadth: Duolingo, Inc. has 6 moat types across 3 domains; Eli Lilly and Company has 5 across 2.

Primary market context

Duolingo, Inc.

Duolingo App

Market

Mobile-first, freemium language learning and adjacent subjects (math, music)

Geography

Global

Customer

Consumers (end-users); advertisers

Role

Digital learning platform / content & software publisher

Revenue share

93.9%

Eli Lilly and Company

Cardiometabolic Health

Market

Branded cardiometabolic pharmaceuticals (type 2 diabetes, obesity, and related metabolic/cardiovascular conditions; especially incretin therapies)

Geography

Global

Customer

Patients via prescribers; payers/PBMs; wholesaler & pharmacy channels

Role

Drug developer, manufacturer, and marketer

Revenue share

65.5%

Side-by-side metrics

Duolingo, Inc.
Eli Lilly and Company
Ticker / Exchange
DUOL - NASDAQ
LLY - New York Stock Exchange
Market cap (USD)
$8.6B
$935.6B
Gross margin (TTM)
72%
83%
Operating margin (TTM)
11%
43.9%
Net margin (TTM)
40%
31%
Sector
Technology
Healthcare
Industry
Software - Application
Drug Manufacturers - General
HQ country
US
US
Primary segment
Duolingo App
Cardiometabolic Health
Market structure
Competitive
Oligopoly
Market share
n/a
n/a
HHI estimate
n/a
n/a
Pricing power
Moderate
Strong
Moat score
68 / 100
66 / 100
Moat domains
Network, Demand, Supply
Legal, Supply
Last update
2026-01-06
2026-01-05

Moat coverage

Shared moat types

Operational Excellence

Duolingo, Inc. strengths

Data Network EffectsHabit DefaultBrand TrustScope EconomiesDesign In Qualification

Eli Lilly and Company strengths

IP Choke PointCapacity MoatLearning Curve YieldCompliance Advantage

Segment mix

Duolingo, Inc. segments

Full profile >

Duolingo App

Competitive

93.9%

Duolingo English Test

Oligopoly

6.1%

Eli Lilly and Company segments

Full profile >

Cardiometabolic Health

Oligopoly

65.5%

Oncology

Competitive

19.4%

Immunology

Competitive

9.8%

Neuroscience

Competitive

3.3%

Other

Competitive

2%

Want the full wide moat stocks list?

Browse the full ranking of wide moat stocks, updated with moat scores and segment context.

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Looking for expansion-stage stocks?

Proven models entering the expansion stage with unit economics that work.

View expansion-stage stocks

Curation & 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.