Westinghouse Air Brake Technologies (WAB) Market Cap 1995–2026

As of May 12, 2026, Westinghouse Air Brake Technologies had a market cap of $45.65 billion, which increased by 0.33% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.

Data updated: May 12, 2026, 4:00 PM ET
Westinghouse Air Brake Technologies logo

Westinghouse Air Brake Technologies Corp. (WAB)

🌍 United States 📈 NYSE 🏭 Industrials 🏢 Machinery
Latest Market Cap
$45.65B ▲ 0.33%
Jan 1, 2026
$36.49B ▲ 25.10%
1 Year Ago
$34.88B ▲ 30.88%
All-Time High
$46.2B ▼ 1.19%


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Note: Each point on the chart represents the market capitalization at the end of the trading day.
Source: Data compiled from EDGAR filings, Bloomberg and Yahoo Finance.

📈 Westinghouse Air Brake Technologies Market Cap History by Year and Month

Westinghouse Air Brake Technologies Market Cap History by Year and Month
Year / MonthMarket Cap% Change
2026$45.65B▲ 25.10%
$45.65B▼ 0.31%
$45.79B▲ 7.46%
$42.61B▼ 5.33%
$45.01B▲ 14.41%
$39.34B▲ 7.81%
2025$36.49B▲ 12.36%
2024$32.477B▲ 42.85%
2023$22.735B▲ 25.25%
2022$18.152B▲ 6.07%

All market cap values reflect closing prices for the period shown.


📊 Westinghouse Air Brake Technologies Market Cap and Other Industry Peers

Below are selected companies from the Industrials sector / subsector:

  1. $420.12B
  2. $97.22B
  3. $72.33B
  4. $59.49B
  5. $45.65B
  6. $29.18B
  7. $28.65B
  8. $28.43B
  9. $26.51B
  10. $19.39B
  11. $19.13B
  12. $18.39B
  13. $18.37B
  14. $15.83B
  15. $15.68B
  16. $15.32B
  17. $9.94B
  18. $8.19B
  19. $7.3B
  20. $7.04B

Data reflect the most recent market capitalization values available.

💡 What Is Market Capitalization and How Do We Calculate It?

For Westinghouse Air Brake Technologies Corp. (WAB), market capitalization represents the total market value of the company’s publicly traded shares. It helps investors understand Westinghouse Air Brake Technologies’s size within the industrials sector and compare it with other companies in the same industry.

In most cases, market capitalization is calculated by multiplying the current share price by the number of basic shares outstanding. Basic shares represent the actual number of common shares that currently exist, without including potential future shares from employee stock options, RSUs, warrants, or convertible securities. For example, if Westinghouse Air Brake Technologies had one million basic shares and each traded at $50, its market capitalization would be $50 million.

Formula:
Market Cap = Share Price × Shares Outstanding

The value of Westinghouse Air Brake Technologies’s market capitalization changes throughout the trading day because it mainly depends on the current share price. The number of shares outstanding typically remains stable unless the company issues new shares, buys back its own stock, or grants stock options to employees.

Based on the latest data, Westinghouse Air Brake Technologies had a market capitalization of $45.65 billion, placing it in the large-cap category within the industrials industry.

Disclaimer: Despite all efforts, there may still be minor inaccuracies present in the data.