Westinghouse Air Brake Technologies WAB
NYSE WAB
$287.41 -3.82 (-1.31%)
As of: Sep 30, 2026 · 3:59 PM EDT

Westinghouse Air Brake Technologies (WAB) Inventory (2009 - 2026)

Updated

Westinghouse Air Brake Technologies' Inventory came in at $2.86 billion for Q2 2026, up 11.1% from $2.57 billion a year earlier and up 0.2% from the prior quarter.

Analysis

Westinghouse Air Brake Technologies (WAB) Inventory (2009 - 2026) Analysis & Trends

At the end of FY2025, Westinghouse Air Brake Technologies' Inventory was $2.75 billion, up 18.6% from FY2024.

  • Inventory has increased in each of the last five years, with a five-year compound annual growth rate of 10.8% (FY2020 to FY2025).
  • Going back by year, Inventory was $2.31 billion in FY2024 (+1.3%), $2.28 billion in FY2023 (+12.3%), $2.03 billion in FY2022 (+20.4%) and $1.69 billion in FY2021 (+2.9%).
  • The Q2 2026 figure represents the highest quarterly Inventory in data going back to Q4 2009.
  • Year-over-year, Inventory has increased for 19 consecutive quarters, with growth averaging 10.2% over the last eight quarters.
  • The fastest year-over-year change in Inventory over five years came in Q1 2023 (growth of 21.9%), and the weakest in Q3 2021 (a decline of 5.1%).
  • Business Quant data shows WAB's Inventory at $2.85 billion (Q1 2026), $2.75 billion (Q4 2025) and $2.75 billion (Q3 2025) in the three quarters before Q2 2026.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Inventory (Qtr)
1 Caterpillar 380.10 Bn 351.79 Bn 7.76 Bn 20.63 Bn
2 Amphenol 208.03 Bn 202.73 Bn 3.55 Bn 4.55 Bn
3 Deere 183.47 Bn 192.23 Bn 4.66 Bn 7.81 Bn
4 Eaton 168.26 Bn 165.49 Bn 2.86 Bn 5.42 Bn
5 Parker-Hannifin 122.34 Bn 120.47 Bn 2.25 Bn 3.17 Bn
6 Vertiv Holdings 95.63 Bn 86.25 Bn 1.23 Bn 2.52 Bn
7 Emerson Electric 87.72 Bn 80.47 Bn 2.66 Bn 2.51 Bn
8 3M 86.87 Bn 68.33 Bn 2.68 Bn 3.77 Bn
9 Illinois Tool Works 76.08 Bn 72.64 Bn 1.90 Bn 1.76 Bn
10 Westinghouse Air Brake Technologies 49.25 Bn 46.76 Bn 1.16 Bn 2.86 Bn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 2.86 Bn
Mar 31, 2026 2.85 Bn
Dec 31, 2025 2.75 Bn
Sep 30, 2025 2.75 Bn
Jun 30, 2025 2.57 Bn
Mar 31, 2025 2.38 Bn
Dec 31, 2024 2.31 Bn
Sep 30, 2024 2.38 Bn
Jun 30, 2024 2.36 Bn
Mar 31, 2024 2.36 Bn
Dec 31, 2023 2.28 Bn
Sep 30, 2023 2.25 Bn
Jun 30, 2023 2.32 Bn
Mar 31, 2023 2.23 Bn
Dec 31, 2022 2.03 Bn
Sep 30, 2022 2.02 Bn
Jun 30, 2022 1.92 Bn
Mar 31, 2022 1.83 Bn
Dec 31, 2021 1.69 Bn
Sep 30, 2021 1.69 Bn
API Access

Westinghouse Air Brake Technologies Inventory 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=inventory&ticker=WAB&period=max&api_key=YOUR_API_KEY