VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Wednesday, January 7, 2026

Stock Comparison

Boston Scientific Corporation vs Fastenal Company

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

Boston Scientific Corporation

BSX · New York Stock Exchange

Market cap (USD)$141.5B
Gross margin (TTM)65.1%
Operating margin (TTM)17.3%
Net margin (TTM)14.4%
SectorHealthcare
IndustryMedical - Devices
CountryUS
Data as of2026-01-04
Moat score
65/ 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 Boston Scientific Corporation's moat claims, evidence, and risks.

View BSX analysis

Fastenal Company

FAST · Nasdaq Stock Market

Market cap (USD)$47.2B
Gross margin (TTM)45.2%
Operating margin (TTM)20.2%
Net margin (TTM)15.3%
SectorIndustrials
IndustryIndustrial - Distribution
CountryUS
Data as of2026-01-01
Moat score
60/ 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 Fastenal Company's moat claims, evidence, and risks.

View FAST analysis

Comparison highlights

  • Moat score gap: Boston Scientific Corporation leads (65 / 100 vs 60 / 100 for Fastenal Company).
  • Segment focus: Boston Scientific Corporation has 5 segments (49.8% in Cardiology); Fastenal Company has 3 segments (54.5% in Branch-based distribution (in-market branches)).
  • Primary market structure: Oligopoly vs Competitive. Pricing power: Moderate vs Weak.
  • Moat breadth: Boston Scientific Corporation has 6 moat types across 3 domains; Fastenal Company has 5 across 2.

Primary market context

Boston Scientific Corporation

Cardiology

Market

Cardiology devices (interventional cardiology, structural heart, electrophysiology, cardiac rhythm management and remote monitoring)

Geography

Global

Customer

Hospitals/cath labs/EP labs and specialty clinics (cardiologists, electrophysiologists)

Role

Medical device OEM / implantables + procedure devices + service-enabled monitoring

Revenue share

49.8%

Fastenal Company

Branch-based distribution (in-market branches)

Market

Industrial & construction supplies distribution (MRO/OEM consumables) via local branches

Geography

North America (primary) + select international

Customer

B2B

Role

Distributor / MRO supplier

Revenue share

54.5%

Side-by-side metrics

Boston Scientific Corporation
Fastenal Company
Ticker / Exchange
BSX - New York Stock Exchange
FAST - Nasdaq Stock Market
Market cap (USD)
$141.5B
$47.2B
Gross margin (TTM)
65.1%
45.2%
Operating margin (TTM)
17.3%
20.2%
Net margin (TTM)
14.4%
15.3%
Sector
Healthcare
Industrials
Industry
Medical - Devices
Industrial - Distribution
HQ country
US
US
Primary segment
Cardiology
Branch-based distribution (in-market branches)
Market structure
Oligopoly
Competitive
Market share
n/a
n/a
HHI estimate
n/a
n/a
Pricing power
Moderate
Weak
Moat score
65 / 100
60 / 100
Moat domains
Demand, Legal, Supply
Supply, Demand
Last update
2026-01-04
2026-01-01

Moat coverage

Shared moat types

No overlap yet.

Boston Scientific Corporation strengths

Installed Base ConsumablesProcurement InertiaTraining Org Change CostsRegulated Standards PipeReputation ReviewsDistribution Control

Fastenal Company strengths

Physical Network DensityOperational ExcellenceSwitching Costs GeneralData Workflow LockinScope Economies

Segment mix

Boston Scientific Corporation segments

Full profile >

Endoscopy

Oligopoly

16%

Urology

Competitive

13.1%

Neuromodulation

Oligopoly

6.6%

Cardiology

Oligopoly

49.8%

Peripheral Interventions

Competitive

14.4%

Fastenal Company segments

Full profile >

Branch-based distribution (in-market branches)

Competitive

54.5%

Onsite solutions (embedded customer locations)

Competitive

42.4%

Other / non-traditional sales (services & custom manufacturing)

Competitive

3.1%

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 list

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.