WELLINGTON MANAGEMENT GROUP LLP
Position in WAB — Westinghouse Air Brake Technologies Corp
CIK 902219
Boston, MA
Position in WAB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$450,360,327
-$176,891,779 QoQ
Shares Held
1,670,476
-33.4% QoQ
Ownership
0.989%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#17
of 1,187 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 0%
Shared 90%
None 10%
Common Shares in WAB Over Time
Shares Held
Position Value (USD)
Position in Railroads
Industrials · as of Jun 30, 2026WELLINGTON MANAGEMENT GROUP LLP holds $1,558,895,538 across 6 Railroads names. WAB ranks #2 (28.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CNI |
Canadian National Railway Co
|
8,537,192 | $1,017,974,770 | |
| 2 | WAB |
Westinghouse Air Brake Technologies Corp
This page
|
1,670,476 | $450,360,327 | |
| 3 | UNP |
Union Pacific Corp
|
273,793 | $74,471,696 | |
| 4 | CP |
Canadian Pacific Kansas City Ltd/Cn
|
93,214 | $8,076,992 | |
| 5 | NSC |
Norfolk Southern Corp
|
15,935 | $5,012,991 | |
| 6 | CSX |
Csx Corp
|
63,092 | $2,998,762 |
All Filings in WAB
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $450,360,327 | 1,670,476 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $627,252,106 | 2,509,912 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $569,493,990 | 2,668,044 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $662,389,562 | 3,304,183 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $667,377,232 | 3,187,854 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $657,962,823 | 3,628,138 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $595,364,166 | 3,140,272 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $688,175,218 | 3,785,967 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $822,182,261 | 5,202,039 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $1,123,503,823 | 7,712,135 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $1,238,571,279 | 9,760,215 | Shares | Defined | 2024-02-12 | |
| 2023-09-30 | $1,283,063,593 | 12,073,620 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,337,840,966 | 12,198,787 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $1,188,257,513 | 11,757,941 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $1,050,181,253 | 10,521,804 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $948,869,570 | 11,664,039 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $958,904,192 | 11,682,556 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $1,150,742,326 | 11,965,710 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $1,096,255,083 | 11,901,586 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $947,086,419 | 10,985,807 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $901,156,602 | 10,949,655 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $783,360,391 | 9,895,912 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $563,892,681 | 7,703,452 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $458,052,650 | 7,402,273 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $311,414,722 | 5,409,323 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $210,865,421 | 4,381,164 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||