DIMENSIONAL FUND ADVISORS LP
Position in WAB — Westinghouse Air Brake Technologies Corp
CIK 354204
AUSTIN, TX
Position in WAB
as of Mar 31, 2026
· filed May 7, 2026
Position Value
$431,184,965
+$59,725,403 QoQ
Shares Held
1,725,361
-0.9% QoQ
Ownership
1.02%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 79.42963820325137.ToString("F0")%
Shared 14.030918746859353.ToString("F0")%
None 6.539443049889269.ToString("F0")%
Common Shares in WAB Over Time
Shares Held
Position Value (USD)
Position in Railroads
Industrials · as of Mar 31, 2026DIMENSIONAL FUND ADVISORS LP holds $3,537,177,176 across 10 Railroads names. WAB ranks #4 (12.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CSX |
Csx Corp
|
23,913,357 | $981,643,302 | |
| 2 | UNP |
Union Pacific Corp
|
3,688,640 | $894,937,835 | |
| 3 | NSC |
Norfolk Southern Corp
|
2,259,558 | $648,493,146 | |
| 4 | WAB |
Westinghouse Air Brake Technologies Corp
This page
|
1,725,361 | $431,184,965 | |
| 5 | CP |
Canadian Pacific Kansas City Ltd/Cn
|
2,029,606 | $159,648,806 | |
| 6 | TRN |
Trinity Industries Inc
|
4,801,236 | $154,503,772 | |
| 7 | CNI |
Canadian National Railway Co
|
1,382,499 | $142,079,420 | |
| 8 | GBX |
Greenbrier Companies Inc
|
1,979,546 | $104,223,095 |
All Filings in WAB
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $431,184,965 | 1,725,361 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $371,459,562 | 1,740,265 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $344,455,771 | 1,718,241 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $355,536,799 | 1,698,289 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $310,101,606 | 1,709,962 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $325,488,868 | 1,716,804 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $296,468,321 | 1,631,008 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $256,303,835 | 1,621,663 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $228,452,168 | 1,568,178 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $215,291,305 | 1,696,543 | Shares | Sole | 2024-02-07 | |
| 2023-09-30 | $170,895,122 | 1,608,122 | Shares | Defined | 2023-11-09 | |
| 2023-06-30 | $176,845,285 | 1,612,522 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $159,171,012 | 1,575,015 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $150,913,216 | 1,512,005 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $121,833,092 | 1,497,641 | Shares | Defined | 2022-11-10 | |
| 2022-06-30 | $120,845,643 | 1,472,291 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $141,306,908 | 1,469,345 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $135,151,989 | 1,467,289 | Shares | Defined | 2022-02-09 | |
| 2021-09-30 | $127,999,090 | 1,484,736 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $123,534,357 | 1,501,025 | Shares | Defined | 2021-08-12 | |
| 2021-03-31 | $118,061,598 | 1,491,430 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $105,197,769 | 1,437,128 | Shares | Defined | 2021-03-08 | |
| 2020-09-30 | $87,973,620 | 1,421,681 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $78,132,161 | 1,357,168 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $65,069,690 | 1,351,957 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||