Westinghouse Air Brake Technologies (WAB) Shares Outstanding (Diluted) (2009 - 2026)
Westinghouse Air Brake Technologies (WAB) reported Shares Outstanding (Diluted) of 169.6 million for Q2 2026, down 0.9% from 171.2 million a year earlier and down 0.6% from the prior quarter.
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Analysis
Westinghouse Air Brake Technologies (WAB) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends
For FY2025, Westinghouse Air Brake Technologies posted Shares Outstanding (Diluted) of 171.1 million, down 2.1% from FY2024.
- Shares Outstanding (Diluted) has declined for five consecutive years, with a five-year compound annual growth rate of -2.1% (FY2020 to FY2025).
- By year, Shares Outstanding (Diluted) came in at 174.8 million in FY2024 (-2.6%), 179.5 million in FY2023 (-1.8%), 182.8 million in FY2022 (-2.8%) and 188.1 million in FY2021 (-1.2%).
- The Q2 2026 figure ranks as the lowest quarterly Shares Outstanding (Diluted) since Q1 2019.
- Year over year, Shares Outstanding (Diluted) has now declined in each of the last 22 quarters, with an average decline of 2.1% over the last eight quarters.
- The year-over-year decline in Shares Outstanding (Diluted) has ranged between 0.4% (Q1 2026) and 3.4% (Q2 2022) over the last five years.
- Per Business Quant data, the three quarters before Q2 2026 came in at 170.7 million (Q1 2026), 171.1 million (Q4 2025) and 171.1 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Caterpillar | 324.58 Bn | 296.27 Bn | 7.76 Bn | 462.50 Mn |
| 2 | Amphenol | 179.59 Bn | 174.17 Bn | 3.55 Bn | 2.58 Bn |
| 3 | Deere | 173.82 Bn | 141.91 Bn | 4.66 Bn | 270.70 Mn |
| 4 | Eaton | 143.34 Bn | 140.52 Bn | 2.86 Bn | 389.50 Mn |
| 5 | Parker-Hannifin | 112.68 Bn | 110.80 Bn | 2.25 Bn | 128.10 Mn |
| 6 | 3M | 91.08 Bn | 72.52 Bn | 2.78 Bn | 522.60 Mn |
| 7 | Emerson Electric | 89.36 Bn | 82.10 Bn | 2.66 Bn | 561.10 Mn |
| 8 | Illinois Tool Works | 79.89 Bn | 76.44 Bn | 1.90 Bn | 287.00 Mn |
| 9 | Vertiv Holdings | 75.22 Bn | 65.84 Bn | 1.23 Bn | 392.75 Mn |
| 10 | Westinghouse Air Brake Technologies | 46.73 Bn | 44.21 Bn | 1.16 Bn | 169.60 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 169.60 Mn |
| Mar 31, 2026 | 170.70 Mn |
| Dec 31, 2025 | 171.10 Mn |
| Sep 30, 2025 | 171.10 Mn |
| Jun 30, 2025 | 171.20 Mn |
| Mar 31, 2025 | 171.30 Mn |
| Dec 31, 2024 | 174.80 Mn |
| Sep 30, 2024 | 174.10 Mn |
| Jun 30, 2024 | 176.00 Mn |
| Mar 31, 2024 | 177.20 Mn |
| Dec 31, 2023 | 179.50 Mn |
| Sep 30, 2023 | 179.20 Mn |
| Jun 30, 2023 | 179.40 Mn |
| Mar 31, 2023 | 180.60 Mn |
| Dec 31, 2022 | 182.80 Mn |
| Sep 30, 2022 | 181.90 Mn |
| Jun 30, 2022 | 182.40 Mn |
| Mar 31, 2022 | 185.00 Mn |
| Dec 31, 2021 | 188.10 Mn |
| Sep 30, 2021 | 188.00 Mn |
API Access
Westinghouse Air Brake Technologies Shares Outstanding (Diluted) API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=WAB&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "WAB", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=WAB&period=max&api_key=YOUR_API_KEY");
const data = await res.json();