Westinghouse Air Brake Technologies Corporation
MX ˙ BMV ˙ US9297401088
SecurityMX:WAB / Westinghouse Air Brake Technologies Corporation
Institution1832 Asset Management L.P.
Latest Disclosed Ownership77,652 shares
Latest Disclosed Value $ 19,406,011
1832 Asset Management L.P. ownership in WAB / Westinghouse Air Brake Technologies Corporation

On May 14, 2026 - 1832 Asset Management L.P. filed a 13F-HR form disclosing ownership of 77,652 shares of Westinghouse Air Brake Technologies Corporation (MX:WAB) valued at $19,406,011 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 0 shares of Westinghouse Air Brake Technologies Corporation.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F WABTEC COM 929740108 77,652 77,652 19,406 0.0178
2026-02-13 2025-12-31 13F WABTEC COM 929740108 0 -15,616 -100.00 0 -100.00
2025-11-14 2025-09-30 13F WABTEC COM 929740108 15,616 498 3.29 3,131 -1.07 0.0025
2025-08-13 2025-06-30 13F WABTEC COM 929740108 15,118 3,307 28.00 3,165 47.78 0.0025
2025-05-14 2025-03-31 13F WABTEC COM 929740108 11,811 -2,244 -15.97 2,142 -19.63 0.0019
2025-02-14 2024-12-31 13F WABTEC COM 929740108 14,055 -1,290 -8.41 2,665 -4.48 0.0023
2024-11-13 2024-09-30 13F WABTEC COM 929740108 15,345 15,345 2,789 0.0021
2024-05-14 2024-03-31 13F WABTEC COM 929740108 0 -3 -100.00 0 0.0000
2024-02-13 2023-12-31 13F WABTEC COM 929740108 3 -14 -82.35 0 -100.00 0.0000
2023-11-13 2023-09-30 13F WABTEC WABTEC 929740108 17 14 466.67 2 0.0000
2023-08-14 2023-06-30 13F WABTEC COM 929740108 3 -128,500 -100.00 0 -100.00 0.0000
2023-05-12 2023-03-31 13F WABTEC COM 929740108 128,503 128,500 4,283,333.33 12,987 0.0267
2023-02-15 2022-12-31 13F WABTEC COM 929740108 3 0 0.00 0 0.0000
2022-11-14 2022-09-30 13F WABTEC COM 929740108 3 0 0.00 0 0.0000
2022-08-15 2022-06-30 13F WABTEC COM 929740108 3 -1 -25.00 0 0.0000
2022-05-16 2022-03-31 13F WABTEC COM 929740108 4 4 0 0.0000
2022-02-15 2021-12-31 13F WABTEC COM 929740108 0 -59 -100.00 0 -100.00
2021-11-15 2021-09-30 13F WABTEC COM 929740108 59 59 5 0.0000
2021-08-20 2021-06-30 13F/A-1 WABTEC COM 929740108 0 -4 -100.00 0 0.0000
2021-08-16 2021-06-30 13F WABTEC COM 929740108 0 -4 0 0.0000
2021-05-17 2021-03-31 13F WABTEC COM 929740108 4 4 0 0.0000
2021-02-16 2020-12-31 13F WABTEC COM 929740108 0 -40 -100.00 0 -100.00
2020-11-16 2020-09-30 13F WABTEC COM 929740108 40 40 2 0.0000
2020-02-14 2019-12-31 13F WABTEC COM 929740108 0 -19 -100.00 0 -100.00
2019-11-14 2019-09-30 13F WABTEC COM 929740108 19 6 46.15 1 0.00 0.0000
2019-08-14 2019-06-30 13F WABTEC COM 929740108 13 -6 -31.58 1 0.00 0.0000
2019-05-15 2019-03-31 13F WABTEC COM 929740108 19 -315,769 -99.99 1 -100.00 0.0000
2019-02-14 2018-12-31 13F WABTEC COM 929740108 315,788 -17,037 -5.12 22,197 -36.47 0.0878
2018-11-14 2018-09-30 13F WABTEC COM 929740108 332,825 260 0.08 34,939 5.49 0.1139
2018-08-14 2018-06-30 13F WABTEC COM 929740108 332,565 424 0.13 33,122 22.08 0.1122
2018-05-15 2018-03-31 13F WABTEC COM 929740108 332,141 -128,280 -27.86 27,131 -27.52 0.1000
2018-02-14 2017-12-31 13F WABTEC COM 929740108 460,421 -11,181 -2.37 37,432 7.82 0.1216
2017-11-14 2017-09-30 13F WABTEC COM 929740108 471,602 71,954 18.00 34,716 -5.08 0.1216
2017-08-14 2017-06-30 13F WABTEC COM 929740108 399,648 8,881 2.27 36,573 19.91 0.1655
2017-05-15 2017-03-31 13F WABTEC COM 929740108 390,767 -19,478 -4.75 30,500 7.33 0.1091
2017-04-01 2016-12-31 13F/A-1 WABTEC COM 929740108 410,245 401,195 4,433.09 28,418 3,745.47 0.0872
2017-02-14 2016-12-31 13F WABTEC COM 929740108 14,925 1,211
2016-11-15 2016-09-30 13F WABTEC COM 929740108 9,050 9,050 739 0.0028
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.