SIMPLEX TRADING, LLC

Position in WAB — Westinghouse Air Brake Technologies Corp

CIK 1488542 CHICAGO, IL

Position in WAB

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$568,045

+$230,794 QoQ

Shares Held

2,273

+43.9% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $22,525,370 across 8 Railroads names. WAB ranks #4 (2.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	UNP	Union Pacific Corp	54,003	$13,102,207
2	CP	Canadian Pacific Kansas City Ltd/Cn	92,018	$7,238,135
3	CSX	Csx Corp	32,947	$1,352,474
4	WAB	Westinghouse Air Brake Technologies Corp This page	2,273	$568,045
5	RAIL	FreightCar America, Inc.	22,018	$175,483
6	NSC	Norfolk Southern Corp	266	$76,342
7	TRN	Trinity Industries Inc	368	$11,842
8	GBX	Greenbrier Companies Inc	16	$842

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$568,045	2,273	+43.9%	Shares	Sole	2026-05-14
2025-12-31	$337,251	1,580	-48.6%	Shares	Sole	2026-02-11
2025-09-30	$616,244	3,074	+1476.4%	Shares	Sole	2025-11-12
2025-06-30	$40,823	195	-98.8%	Shares	Sole	2025-08-05
2021-12-31	$1,438,758	15,620	-10.4%	Shares	Sole	2022-02-23
2021-09-30	$1,502,812	17,432	+0.0%	Shares	Sole	2021-10-28
2021-06-30	$1,434,406	17,429	+175.7%	Shares	Sole	2021-08-12
2021-03-31	$500,370	6,321	+45.7%	Shares	Sole	2021-04-26
2020-12-31	$317,468	4,337	+2244.3%	Shares	Sole	2021-02-02
2020-09-30	$11,447	185	-98.8%	Shares	Sole	2020-10-14
2020-03-31	$773,593	16,073	—	Shares	Sole	2020-04-29
No filing history on record for this holder in this stock.