VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Stock Comparison

Fastenal Company vs PACCAR Inc

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

Fastenal Company

FAST · NASDAQ

Market cap (USD)$53.1B
Gross margin (TTM)45%
Operating margin (TTM)20.2%
Net margin (TTM)15.4%
SectorIndustrials
IndustryIndustrial - Distribution
CountryUS
Data as of2026-01-06
Moat score
57/ 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

PACCAR Inc

PCAR · NASDAQ

Market cap (USD)$67.5B
Gross margin (TTM)16.2%
Operating margin (TTM)10.4%
Net margin (TTM)8.4%
SectorIndustrials
IndustryAgricultural - Machinery
CountryUS
Data as of2026-01-01
Moat score
75/ 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 PACCAR Inc's moat claims, evidence, and risks.

View PCAR analysis

Comparison highlights

  • Moat score gap: PACCAR Inc leads (75 / 100 vs 57 / 100 for Fastenal Company).
  • Segment focus: Fastenal Company has 2 segments (55.7% in Core industrial & construction supplies distribution (branches, Onsite, eBusiness excl. FMI)); PACCAR Inc has 3 segments (73.8% in Truck).
  • Primary market structure: Competitive vs Oligopoly. Pricing power: Weak vs Moderate.
  • Moat breadth: Fastenal Company has 4 moat types across 2 domains; PACCAR Inc has 8 across 3.

Primary market context

Fastenal Company

Core industrial & construction supplies distribution (branches, Onsite, eBusiness excl. FMI)

Market

Wholesale distribution of industrial and construction supplies (fasteners, safety, tools, and other MRO/OEM consumables)

Geography

Primarily North America (with growing international presence)

Customer

Manufacturing (OEM and MRO), non-residential construction, and other commercial customers

Role

Distributor

Revenue share

55.7%

PACCAR Inc

Truck

Market

Commercial truck OEM (heavy- and medium-duty)

Geography

Global (U.S./Canada and Europe primary)

Customer

Fleets, owner-operators, dealers

Role

OEM / manufacturer

Revenue share

73.8%

Side-by-side metrics

Fastenal Company
PACCAR Inc
Ticker / Exchange
FAST - NASDAQ
PCAR - NASDAQ
Market cap (USD)
$53.1B
$67.5B
Gross margin (TTM)
45%
16.2%
Operating margin (TTM)
20.2%
10.4%
Net margin (TTM)
15.4%
8.4%
Sector
Industrials
Industrials
Industry
Industrial - Distribution
Agricultural - Machinery
HQ country
US
US
Primary segment
Core industrial & construction supplies distribution (branches, Onsite, eBusiness excl. FMI)
Truck
Market structure
Competitive
Oligopoly
Market share
n/a
30%-31% (reported)
HHI estimate
n/a
n/a
Pricing power
Weak
Moderate
Moat score
57 / 100
75 / 100
Moat domains
Supply, Demand
Demand, Supply, Financial
Last update
2026-01-06
2026-01-01

Moat coverage

Shared moat types

Service Field Network

Fastenal Company strengths

Data Workflow LockinProcurement InertiaOperational Excellence

PACCAR Inc strengths

Brand TrustCapex Knowhow ScaleInstalled Base ConsumablesPhysical Network DensityDistribution ControlCost Of Capital AdvantageCaptive finance integration

Segment mix

Fastenal Company segments

Full profile >

Fastenal Managed Inventory (FMI)

Competitive

44.3%

Core industrial & construction supplies distribution (branches, Onsite, eBusiness excl. FMI)

Competitive

55.7%

PACCAR Inc segments

Full profile >

Truck

Oligopoly

73.8%

Parts

Competitive

19.8%

Financial Services

Competitive

6.2%

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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.