VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

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Wednesday, January 14, 2026

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Stock Comparison

Arthur J. Gallagher & Co. vs Blackstone Inc.

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

Arthur J. Gallagher & Co.

AJG · New York Stock Exchange

Market cap (USD)$67.9B

Gross margin (TTM)—

Operating margin (TTM)—

Net margin (TTM)—

SectorFinancials

IndustryInsurance - Brokers

CountryUS

Data as of2026-01-09

Moat score

69/ 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 Arthur J. Gallagher & Co.'s moat claims, evidence, and risks.

View AJG analysis

Blackstone Inc.

BX · New York Stock Exchange

Market cap (USD)—

Gross margin (TTM)—

Operating margin (TTM)—

Net margin (TTM)—

SectorFinancials

Industry—

CountryUS

Data as of2026-01-12

Moat score

61/ 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 Blackstone Inc.'s moat claims, evidence, and risks.

View BX analysis

Comparison highlights

Moat score gap: Arthur J. Gallagher & Co. leads (69 / 100 vs 61 / 100 for Blackstone Inc.).
Segment focus: Arthur J. Gallagher & Co. has 2 segments (86% in Brokerage); Blackstone Inc. has 4 segments.
Primary market structure: Oligopoly vs Oligopoly. Pricing power: Moderate vs n/a.
Moat breadth: Arthur J. Gallagher & Co. has 4 moat types across 2 domains; Blackstone Inc. has 8 across 2.

Primary market context

Arthur J. Gallagher & Co.

Brokerage

Market

Insurance and reinsurance brokerage and consulting

Geography

Global

Customer

Commercial, industrial, public sector, nonprofit and other organizations; underwriting enterprises for reinsurance placements

Role

Intermediary / broker / advisor

Revenue share

86%

Blackstone Inc.

Real Estate

Market

Private real estate investment management (opportunistic, core/core+, real estate debt, and perpetual/private-wealth real estate vehicles)

Geography

Global

Customer

Institutional investors and individual investors (via private wealth channels)

Role

Alternative asset manager / GP / investment adviser

Side-by-side metrics

Arthur J. Gallagher & Co.

Blackstone Inc.

Ticker / Exchange

AJG - New York Stock Exchange

BX - New York Stock Exchange

Market cap (USD)

$67.9B

n/a

Gross margin (TTM)

n/a

Operating margin (TTM)

n/a

Net margin (TTM)

n/a

Sector

Financials

Industry

Insurance - Brokers

n/a

HQ country

Primary segment

Brokerage

Real Estate

Market structure

Oligopoly

Market share

n/a

HHI estimate

n/a

Pricing power

Moderate

n/a

Moat score

69 / 100

61 / 100

Moat domains

Supply, Demand

Last update

2026-01-09

2026-01-12

Moat coverage

Shared moat types

Brand TrustOperational Excellence

Arthur J. Gallagher & Co. strengths

Service Field NetworkData Workflow Lockin

Blackstone Inc. strengths

Scale Economies Unit CostLong Term ContractsDistribution ControlScope EconomiesPreferential Input AccessSuite Bundling

Segment mix

Arthur J. Gallagher & Co. segments

Full profile >

Brokerage

Oligopoly

86%

Risk Management

Competitive

14%

Blackstone Inc. segments

Full profile >

Real Estate

Oligopoly

n/a

Private Equity

Oligopoly

n/a

Credit & Insurance

Oligopoly

n/a

Multi-Asset Investing

Oligopoly

n/a

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.

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.