VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Thursday, January 8, 2026

Stock Comparison

Boston Scientific Corporation vs MercadoLibre, Inc.

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

MercadoLibre, Inc.

MELI · NASDAQ

Market cap (USD)$108.9B
Gross margin (TTM)45.1%
Operating margin (TTM)12%
Net margin (TTM)7.9%
SectorTechnology
IndustrySpecialty Retail
CountryUS
Data as of2025-12-29
Moat score
73/ 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 MercadoLibre, Inc.'s moat claims, evidence, and risks.

View MELI analysis

Comparison highlights

  • Moat score gap: MercadoLibre, Inc. leads (73 / 100 vs 65 / 100 for Boston Scientific Corporation).
  • Segment focus: Boston Scientific Corporation has 5 segments (49.8% in Cardiology); MercadoLibre, Inc. has 2 segments (58.5% in Commerce (Marketplace, logistics, ads, classifieds)).
  • Moat breadth: Boston Scientific Corporation has 6 moat types across 3 domains; MercadoLibre, Inc. has 6 across 4.

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%

MercadoLibre, Inc.

Commerce (Marketplace, logistics, ads, classifieds)

Market

Latin American e-commerce marketplace and commerce services (online marketplace, 1P retail, fulfillment/logistics, advertising)

Geography

Latin America (Brazil, Mexico, Argentina and other countries)

Customer

Consumers (buyers) and merchants/brands (sellers), including MSMEs

Role

Marketplace operator + retailer + logistics orchestrator

Revenue share

58.5%

Side-by-side metrics

Boston Scientific Corporation
MercadoLibre, Inc.
Ticker / Exchange
BSX - New York Stock Exchange
MELI - NASDAQ
Market cap (USD)
$141.5B
$108.9B
Gross margin (TTM)
65.1%
45.1%
Operating margin (TTM)
17.3%
12%
Net margin (TTM)
14.4%
7.9%
Sector
Healthcare
Technology
Industry
Medical - Devices
Specialty Retail
HQ country
US
US
Primary segment
Cardiology
Commerce (Marketplace, logistics, ads, classifieds)
Market structure
Oligopoly
Oligopoly
Market share
n/a
n/a
HHI estimate
n/a
n/a
Pricing power
Moderate
Moderate
Moat score
65 / 100
73 / 100
Moat domains
Demand, Legal, Supply
Network, Supply, Demand, Legal
Last update
2026-01-04
2025-12-29

Moat coverage

Shared moat types

Distribution Control

Boston Scientific Corporation strengths

Installed Base ConsumablesProcurement InertiaTraining Org Change CostsRegulated Standards PipeReputation Reviews

MercadoLibre, Inc. strengths

Two Sided NetworkEcosystem ComplementsSwitching Costs GeneralData Workflow LockinCompliance Advantage

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%

MercadoLibre, Inc. segments

Full profile >

Commerce (Marketplace, logistics, ads, classifieds)

Oligopoly

58.5%

Fintech (Mercado Pago & credit)

Competitive

41.5%

Want the full wide moat stocks list?

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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.