Skip to main content

WELLINGTON MANAGEMENT GROUP LLP

Position in WAB — Westinghouse Air Brake Technologies Corp

CIK 902219 Boston, MA

Position in WAB

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$627,252,106
+$57,758,116 QoQ
Shares Held
2,509,912
-5.9% QoQ
Ownership
1.48%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 90.74278301390646.ToString("F0")% None 9.257216986093535.ToString("F0")%

Common Shares in WAB Over Time

Shares Held

Position Value (USD)

Position in Railroads

Industrials · as of Mar 31, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $1,915,242,000 across 6 Railroads names. WAB ranks #2 (32.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 WAB
Westinghouse Air Brake Technologies Corp
This page
2,509,912 $627,252,106

All Filings in WAB

Export CSV
25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $627,252,106 2,509,912
2025-12-31 $569,493,990 2,668,044
2025-09-30 $662,389,562 3,304,183
2025-06-30 $667,377,232 3,187,854
2025-03-31 $657,962,823 3,628,138
2024-12-31 $595,364,166 3,140,272
2024-09-30 $688,175,218 3,785,967
2024-06-30 $822,182,261 5,202,039
2024-03-31 $1,123,503,823 7,712,135
2023-12-31 $1,238,571,279 9,760,215
2023-09-30 $1,283,063,593 12,073,620
2023-06-30 $1,337,840,966 12,198,787
2023-03-31 $1,188,257,513 11,757,941
2022-12-31 $1,050,181,253 10,521,804
2022-09-30 $948,869,570 11,664,039
2022-06-30 $958,904,192 11,682,556
2022-03-31 $1,150,742,326 11,965,710
2021-12-31 $1,096,255,083 11,901,586
2021-09-30 $947,086,419 10,985,807
2021-06-30 $901,156,602 10,949,655
2021-03-31 $783,360,391 9,895,912
2020-12-31 $563,892,681 7,703,452
2020-09-30 $458,052,650 7,402,273
2020-06-30 $311,414,722 5,409,323
2020-03-31 $210,865,421 4,381,164