Companies: 10,795·Total market cap: $144.5T
Westinghouse Air Brake Technologies Corporation

Westinghouse Air Brake Technologies Corporation

WABNYSEIndustrials● Active
$260.40
$-2.12(-0.81%)
Market Cap$44.2B
P/E Ratio
52W High$275.84
52W Low$184.26
Overview

Westinghouse Air Brake Technologies Corporation (WAB) Shares Outstanding — Overview

Basic and diluted weighted average shares, YoY change, float context, and historical trend from SEC filings and FMP.

WAB · shares outstanding · updated Jun 8, 2026

Key metrics

Basic Shares Outstanding · Weighted average · fiscal year
170.5M -2.07% YoY Change
FY · as of Dec 31, 2025 · Reported in USD
vs 174.1M in FY 2024
Diluted Shares Outstanding
171.1M
incl. options, RSUs, convertibles
Dilution Spread
+0.35%
Diluted vs Basic
YoY Change
-2.07%
year-over-year
Float (Free Float)
167.6M
publicly tradable shares
98.8% of total
Source: FMP /income-statement · /shares-float · SEC 10-K / 10-QUpdated: 2026-06-08

Shares Outstanding Growth Rate

3-Year CAGRdeclining
-2.2%
2022 → 2025
5-Year CAGRdeclining
-2.1%
2020 → 2025
10-Year CAGRincreasing
+5.9%
2015 → 2025

Negative CAGR typically indicates share buyback or retirement activity. Interpret alongside Splits and Financials tabs. Splits / Financials

Shares outstanding history

↓ Decrease — typically buyback / retirement
↑ Increase — issuance / equity compensation
Latest
* most recent reported · FMP /income-statement · weightedAverageShsOut

Annual shares outstanding by year

FY 2025Latest
Diluted Shares: 171.1M
170.5M
-2.07%
FY 2024
Diluted Shares: 174.8M
174.1M
-2.63%
FY 2023
Diluted Shares: 179.5M
178.8M
-1.87%
FY 2022
Diluted Shares: 182.8M
182.2M
-2.93%
FY 2021
Diluted Shares: 188.1M
187.7M
-1.16%
FMP /income-statement · weightedAverageShsOut · weightedAverageShsOutDilUnit: Billions (B)

Industrials sector shares outstanding comparison

Shares Outstanding for similar companies or competitors in the Industrials sector.

#SymbolCompanyShares (Basic)vs WAB
#1
RTX CorporationRTX
RTX Corporation
1.341B+686.7%
#2
GE AerospaceGE
GE Aerospace
1.067B+525.8%
#3
The Boeing CompanyBA
The Boeing Company
762.3M+347.1%
#4
Union Pacific CorporationUNP
Union Pacific Corporation
592.5M+247.5%
#5
Caterpillar Inc.CAT
Caterpillar Inc.
466.5M+173.6%
#6
Deere & CompanyDE
Deere & Company
270.9M+58.9%
#7
Westinghouse Air Brake Technologies CorporationWAB
Westinghouse Air Brake Technologies CorporationYOU
170.5M

/company-screener · per-peer /income-statement · cache 86400s

Understanding Shares Outstanding

What Are Shares Outstanding? (Basic)

Westinghouse Air Brake Technologies Corporation (WAB) shares outstanding is the total number of issued shares held by shareholders — the basis for Basic EPS and market capitalization. As of December 31, 2025, Westinghouse Air Brake Technologies Corporation reports 170.5M basic shares outstanding (weighted average).

Basic vs. Diluted Shares Outstanding

Westinghouse Air Brake Technologies Corporation's basic shares outstanding (170.5M) represents currently issued shares. Diluted shares outstanding (171.1M) also includes potential shares from stock options, RSUs, and convertibles. Dilution spread: +0.35%.

Shares Outstanding vs. Float (Free Float)

Westinghouse Air Brake Technologies Corporation's float is 167.6M (98.8% of total shares outstanding) — shares freely available for public trading, excluding insider-held and restricted shares.

Float167.6M(98.8%)
Outstanding169.7M

Float data from /shares-float reflects the most recent SEC filing period-end. The weighted average shares (from /income-statement) may differ — this is a normal reporting window difference, not a data error.

FMP /income-statement · /shares-float · SEC EDGAR · USD

About shares outstanding & methodology

Westinghouse Air Brake Technologies Corporation (WAB) shares outstanding history from 2006 to 2025. Shares outstanding can be defined as the total number of shares held by all shareholders — including institutional investors, retail investors, and company insiders — assuming conversion of all convertible debt, securities, warrants, and options. This metric excludes the company's treasury shares.

Westinghouse Air Brake Technologies Corporation shares outstanding for the fiscal year ending December 31, 2025 were 170.5M, a 2.07% decline year-over-year. Westinghouse Air Brake Technologies Corporation FY 2025 shares outstanding were 170.5M, a -2.07% decline from FY 2024.

Westinghouse Air Brake Technologies Corporation is a leading company operating in the Industrials sector. The company's share count trajectory — with a 10-year CAGR of +5.9% — is a key signal for investors evaluating capital return policy, EPS accretion, and long-term shareholder value creation.

Figures tie to SEC 10-K/10-Q income statement disclosures and FMP /income-statement · /shares-float where noted.

Frequently asked questions

WAB shares outstanding · 4 questions

As of December 31, 2025, Westinghouse Air Brake Technologies Corporation (WAB) has approximately 170.5M basic shares outstanding and 171.1M diluted shares outstanding. This represents a -2.07% year-over-year change from FY 2024 (174.1M). Westinghouse Air Brake Technologies Corporation's declining share count is primarily driven by its share buyback program. For the complete historical data table, see the history table above.

WAB shares outstandinghow many shares does WAB haveWAB basic shares 2025WAB diluted shares

Data: FMP /income-statement · /shares-float · SEC EDGAR · weighted average basis · Westinghouse Air Brake Technologies Corporation SEC 10-K & 10-Q filings · US GAAP · Last updated: 2026-06-08