ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in WAB — Westinghouse Air Brake Technologies Corp

CIK 1164508 BOSTON, MA

Position in WAB

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

Position Value

$17,002,376

-$31,587,968 QoQ

Shares Held

68,034

-70.7% QoQ

Ownership

0.040%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2020

11 quarters on record

Voting authority Sole 71.74207014139988.ToString("F0")% Shared 0.ToString("F0")% None 28.25792985860011.ToString("F0")%

Industrials · as of Mar 31, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $1,580,329,494 across 8 Railroads names. WAB ranks #4 (1.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	UNP	Union Pacific Corp	2,444,520	$593,089,442
2	CNI	Canadian National Railway Co	4,728,502	$485,948,150
3	NSC	Norfolk Southern Corp	1,626,688	$466,859,456
4	WAB	Westinghouse Air Brake Technologies Corp This page	68,034	$17,002,376
5	CSX	Csx Corp	210,090	$8,624,194
6	TRN	Trinity Industries Inc	208,504	$6,709,658
7	RAIL	FreightCar America, Inc.	230,801	$1,839,483
8	FSTR	Foster L B Co	9,202	$256,735

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$17,002,376	68,034	-70.7%	Shares	Defined	2026-05-14
2025-06-30	$48,590,344	232,101	-49.3%	Shares	Defined	2025-08-13
2025-03-31	$82,991,019	457,629	-19.9%	Shares	Defined	2025-05-14
2024-12-31	$108,316,558	571,320	-3.8%	Shares	Defined	2025-02-12
2024-09-30	$107,963,382	593,956	-8.8%	Shares	Defined	2024-11-14
2024-06-30	$102,955,508	651,411	+238.9%	Shares	Defined	2024-08-14
2024-03-31	$28,003,483	192,226	+86.7%	Shares	Defined	2024-05-15
2023-09-30	$10,941,878	102,963	-50.6%	Shares	Defined	2023-11-14
2023-06-30	$22,876,723	208,596	+0.7%	Shares	Defined	2023-08-14
2023-03-31	$20,929,526	207,100	+4716.3%	Shares	Defined	2023-05-15
2020-09-30	$266,084	4,300	—	Shares	Defined	2020-11-12
No filing history on record for this holder in this stock.