TWO SIGMA INVESTMENTS, LP
Position in WAB — Westinghouse Air Brake Technologies Corp
CIK 1179392
NEW YORK, NY
Position in WAB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$29,828,004
-$48,120,424 QoQ
Shares Held
110,638
-64.5% QoQ
Ownership
0.066%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#129
of 1,184 holders
Holding Since
Mar 2020
16 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WAB Over Time
Shares Held
Position Value (USD)
Derivatives in WAB
reported options exposure · as of Jun 30, 2026CallValue
$296,560
CallShares
1,100
PutValue
$215,680
PutShares
800
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Railroads
Industrials · as of Jun 30, 2026TWO SIGMA INVESTMENTS, LP holds $690,444,587 across 9 Railroads names. WAB ranks #4 (4.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | UNP |
Union Pacific Corp
|
1,254,083 | $341,110,576 | |
| 2 | CNI |
Canadian National Railway Co
|
1,398,413 | $166,746,766 | |
| 3 | NSC |
Norfolk Southern Corp
|
349,135 | $109,834,379 | |
| 4 | WAB |
Westinghouse Air Brake Technologies Corp
This page
|
110,638 | $29,828,004 | |
| 5 | GBX |
Greenbrier Companies Inc
|
470,861 | $23,076,897 | |
| 6 | TRN |
Trinity Industries Inc
|
325,683 | $11,262,118 | |
| 7 | FSTR |
Foster L B Co
|
144,194 | $6,513,242 | |
| 8 | RAIL |
FreightCar America, Inc.
|
139,800 | $1,361,652 |
All Filings in WAB
Export CSV
19 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $296,560 | 1,100 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $215,680 | 800 | Put | Sole | 2026-08-14 | |
| 2026-06-30 | $29,828,004 | 110,638 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $499,820 | 2,000 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $77,948,428 | 311,906 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $19,322,988 | 90,527 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $28,291,128 | 141,124 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $74,309,829 | 354,955 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $13,348,448 | 73,606 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $45,070,661 | 237,727 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $122,546,607 | 674,185 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $123,356,918 | 780,493 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $124,778,853 | 856,527 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $40,197,732 | 316,767 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $10,716,054 | 100,838 | Shares | Sole | 2023-11-14 | |
| 2023-03-31 | $16,895,210 | 167,180 | Shares | Sole | 2023-05-15 | |
| 2022-03-31 | $2,355,587 | 24,494 | Shares | Sole | 2022-05-16 | |
| 2020-06-30 | $270,579 | 4,700 | Call | Sole | 2020-08-14 | |
| 2020-03-31 | $312,845 | 6,500 | Call | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||