VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Thursday, January 8, 2026

Stock Comparison

Sartorius Stedim Biotech S.A. vs Paychex, 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

Market cap (USD)$21.2B
Gross margin (TTM)45.6%
Operating margin (TTM)17.6%
Net margin (TTM)9%
SectorHealthcare
IndustryMedical - Instruments & Supplies
CountryFR
Data as of2025-12-28
Moat score
80/ 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 Sartorius Stedim Biotech S.A.'s moat claims, evidence, and risks.

View DIM analysis

Paychex, Inc.

PAYX · NASDAQ Global Select Market

Market cap (USD)$39.4B
Gross margin (TTM)73.4%
Operating margin (TTM)37.1%
Net margin (TTM)26.5%
SectorIndustrials
IndustryStaffing & Employment Services
CountryUS
Data as of2026-01-04
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 Paychex, Inc.'s moat claims, evidence, and risks.

View PAYX analysis

Comparison highlights

  • Moat score gap: Sartorius Stedim Biotech S.A. leads (80 / 100 vs 66 / 100 for Paychex, Inc.).
  • Segment focus: Sartorius Stedim Biotech S.A. has 2 segments (75% in Sterile single-use bioprocessing consumables); Paychex, Inc. has 3 segments (73% in Management Solutions).
  • Primary market structure: Oligopoly vs Oligopoly. Pricing power: Strong vs Moderate.
  • Moat breadth: Sartorius Stedim Biotech S.A. has 6 moat types across 3 domains; Paychex, Inc. has 7 across 4.

Primary market context

Sartorius Stedim Biotech S.A.

Sterile single-use bioprocessing consumables

Market

Sterile single-use bioprocessing consumables (bags, filters, fluid management components)

Geography

Global

Customer

Biopharmaceutical manufacturers and CDMOs

Role

Consumables supplier (single-use)

Revenue share

75%

Paychex, Inc.

Management Solutions

Market

Payroll processing and integrated HCM solutions for SMB and mid-market employers

Geography

United States (primarily)

Customer

Employers (SMB and mid-market)

Role

HCM SaaS + outsourced payroll/HR service provider

Revenue share

73%

Side-by-side metrics

Sartorius Stedim Biotech S.A.
Paychex, Inc.
Ticker / Exchange
DIM - Euronext Paris
PAYX - NASDAQ Global Select Market
Market cap (USD)
$21.2B
$39.4B
Gross margin (TTM)
45.6%
73.4%
Operating margin (TTM)
17.6%
37.1%
Net margin (TTM)
9%
26.5%
Sector
Healthcare
Industrials
Industry
Medical - Instruments & Supplies
Staffing & Employment Services
HQ country
FR
US
Primary segment
Sterile single-use bioprocessing consumables
Management Solutions
Market structure
Oligopoly
Oligopoly
Market share
10%-25% (implied)
n/a
HHI estimate
n/a
n/a
Pricing power
Strong
Moderate
Moat score
80 / 100
66 / 100
Moat domains
Demand, Supply, Legal
Demand, Supply, Legal, Financial
Last update
2025-12-28
2026-01-04

Moat coverage

Shared moat types

Compliance AdvantageSuite Bundling

Sartorius Stedim Biotech S.A. strengths

Installed Base ConsumablesDesign In QualificationLearning Curve YieldCapex Knowhow Scale

Paychex, Inc. strengths

Data Workflow LockinService Field NetworkUnderwriting Risk PoolingSwitching Costs GeneralFloat Prepayment

Segment mix

Sartorius Stedim Biotech S.A. segments

Full profile >

Sterile single-use bioprocessing consumables

Oligopoly

75%

Bioprocessing equipment, systems, and software/services

Oligopoly

25%

Paychex, Inc. segments

Full profile >

Management Solutions

Oligopoly

73%

PEO and Insurance Solutions

Competitive

24.1%

Client funds float (interest on funds held for clients)

Oligopoly

2.9%

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.

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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.