TWO SIGMA INVESTMENTS, LP
Position in WAB — Westinghouse Air Brake Technologies Corp
CIK 1179392
NEW YORK, NY
Position in WAB
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$77,948,428
+$58,625,440 QoQ
Shares Held
311,906
+244.5% QoQ
Ownership
0.184%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
15 quarters on record
Voting authority
Sole 99.64732964418768.ToString("F0")%
Shared 0.ToString("F0")%
None 0.3526703558123281.ToString("F0")%
Common Shares in WAB Over Time
Shares Held
Position Value (USD)
Derivatives in WAB
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$499,820
PutShares
2,000
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 Mar 31, 2026TWO SIGMA INVESTMENTS, LP holds $441,992,282 across 8 Railroads names. WAB ranks #2 (17.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | UNP |
Union Pacific Corp
|
1,096,947 | $266,141,281 | |
| 2 | WAB |
Westinghouse Air Brake Technologies Corp
This page
|
311,906 | $77,948,428 | |
| 3 | CNI |
Canadian National Railway Co
|
423,585 | $43,531,830 | |
| 4 | NSC |
Norfolk Southern Corp
|
138,221 | $39,669,427 | |
| 5 | TRN |
Trinity Industries Inc
|
303,153 | $9,755,463 | |
| 6 | CSX |
Csx Corp
|
60,266 | $2,473,919 | |
| 7 | GBX |
Greenbrier Companies Inc
|
34,982 | $1,841,802 | |
| 8 | RAIL |
FreightCar America, Inc.
|
79,063 | $630,132 |
All Filings in WAB
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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. | ||||||