VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 7, 2026
Stock Comparison
Sartorius Stedim Biotech S.A. vs Duolingo, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Sartorius Stedim Biotech S.A.
DIM · Euronext Paris
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Sartorius Stedim Biotech S.A.'s moat claims, evidence, and risks.
View DIM analysisDuolingo, 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 analysisComparison highlights
- Moat score gap: Sartorius Stedim Biotech S.A. leads (80 / 100 vs 68 / 100 for Duolingo, Inc.).
- Segment focus: Sartorius Stedim Biotech S.A. has 2 segments (75% in Sterile single-use bioprocessing consumables); Duolingo, Inc. has 2 segments (93.9% in Duolingo App).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Strong vs Moderate.
- Moat breadth: Sartorius Stedim Biotech S.A. has 6 moat types across 3 domains; Duolingo, Inc. has 6 across 3.
Primary market context
Sartorius Stedim Biotech S.A.
Sterile single-use bioprocessing consumables
Sterile single-use bioprocessing consumables (bags, filters, fluid management components)
Global
Biopharmaceutical manufacturers and CDMOs
Consumables supplier (single-use)
75%
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%
Side-by-side metrics
Moat coverage
Shared moat types
Sartorius Stedim Biotech S.A. strengths
Duolingo, Inc. strengths
Segment mix
Sartorius Stedim Biotech S.A. segments
Full profile >Sterile single-use bioprocessing consumables
Oligopoly
Bioprocessing equipment, systems, and software/services
Oligopoly
Duolingo, Inc. segments
Full profile >Duolingo App
Competitive
Duolingo English Test
Oligopoly
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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.