VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Friday, January 2, 2026

Stock Comparison

Intuitive Surgical, Inc. vs Pro Medicus Limited

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

Intuitive Surgical, Inc.

ISRG · NASDAQ

Market cap (USD)$199.5B
Gross margin (TTM)66.4%
Operating margin (TTM)29.3%
Net margin (TTM)28.6%
SectorHealthcare
IndustryMedical - Instruments & Supplies
CountryUS
Data as of2025-12-30
Moat score
83/ 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 Intuitive Surgical, Inc.'s moat claims, evidence, and risks.

View ISRG analysis

Pro Medicus Limited

PME · ASX

Market cap (USD)$15.5B
Gross margin (TTM)
Operating margin (TTM)
Net margin (TTM)
SectorHealthcare
Industry
CountryAU
Data as of
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 Pro Medicus Limited's moat claims, evidence, and risks.

View PME analysis

Comparison highlights

  • Moat score gap: Intuitive Surgical, Inc. leads (83 / 100 vs 80 / 100 for Pro Medicus Limited).
  • Segment focus: Intuitive Surgical, Inc. has 3 segments (60.8% in Instruments and Accessories); Pro Medicus Limited has 2 segments (92.5% in Visage 7 Enterprise Imaging Platform (PACS / CloudPACS)).
  • Primary market structure: Monopoly vs Oligopoly. Pricing power: Strong vs Strong.
  • Moat breadth: Intuitive Surgical, Inc. has 9 moat types across 4 domains; Pro Medicus Limited has 6 across 2.

Primary market context

Intuitive Surgical, Inc.

Instruments and Accessories

Market

Proprietary robotic surgery instruments, accessories, and consumables used per procedure on the da Vinci (and Ion) installed base

Geography

Global

Customer

Hospitals and surgery centers purchasing consumables; surgeons and OR teams as end users

Role

Consumables OEM within proprietary platform

Revenue share

60.8%

Pro Medicus Limited

Visage 7 Enterprise Imaging Platform (PACS / CloudPACS)

Market

Enterprise imaging / PACS and related modules for hospitals and integrated delivery networks (IDNs)

Geography

Primarily North America; also Europe and Australia

Customer

Hospitals, imaging centers, integrated delivery networks (IDNs)

Role

Healthcare IT software vendor / platform provider

Revenue share

92.5%

Side-by-side metrics

Intuitive Surgical, Inc.
Pro Medicus Limited
Ticker / Exchange
ISRG - NASDAQ
PME - ASX
Market cap (USD)
$199.5B
$15.5B
Gross margin (TTM)
66.4%
n/a
Operating margin (TTM)
29.3%
n/a
Net margin (TTM)
28.6%
n/a
Sector
Healthcare
Healthcare
Industry
Medical - Instruments & Supplies
n/a
HQ country
US
AU
Primary segment
Instruments and Accessories
Visage 7 Enterprise Imaging Platform (PACS / CloudPACS)
Market structure
Monopoly
Oligopoly
Market share
n/a
55% (implied)
HHI estimate
n/a
n/a
Pricing power
Strong
Strong
Moat score
83 / 100
80 / 100
Moat domains
Supply, Demand, Network, Legal
Demand, Supply
Last update
2025-12-30
2026-01-02

Moat coverage

Shared moat types

Data Workflow LockinLong Term Contracts

Intuitive Surgical, Inc. strengths

Capex Knowhow ScaleTraining Org Change CostsEcosystem ComplementsProcurement InertiaInstalled Base ConsumablesIP Choke PointService Field Network

Pro Medicus Limited strengths

Keystone ComponentOperational ExcellenceSuite BundlingSwitching Costs General

Segment mix

Intuitive Surgical, Inc. segments

Full profile >

Systems

Quasi-Monopoly

23.5%

Instruments and Accessories

Monopoly

60.8%

Services

Monopoly

15.6%

Pro Medicus Limited segments

Full profile >

Visage 7 Enterprise Imaging Platform (PACS / CloudPACS)

Oligopoly

92.5%

Visage RIS (Radiology Information System) and Promedicus.net

Oligopoly

7.5%

Want the full wide moat stocks list?

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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.