MARTINGALE ASSET MANAGEMENT L P

Position in ATKR — Atkore Inc.

CIK 936944 BOSTON, MA

Position in ATKR

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$4,108,265

+$2,732,831 QoQ

Shares Held

69,738

+220.7% QoQ

Ownership

0.207%

of shares outstanding

% of Portfolio

0.10%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2025

4 quarters on record

Voting authority Sole 49% Shared 0% None 51%

Industrials · as of Mar 31, 2026

MARTINGALE ASSET MANAGEMENT L P holds $23,467,891 across 6 Electrical Equipment & Parts names. ATKR ranks #3 (17.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AYI	Acuity Inc. (De)	27,203	$7,622,824
2	ENS	EnerSys	37,885	$6,581,382
3	ATKR	Atkore Inc. This page	69,738	$4,108,265
4	PLPC	Preformed Line Products Co	9,048	$2,449,746
5	KE	Kimball Electronics, Inc.	103,357	$2,448,527
6	HUBB	Hubbell Inc	524	$257,147

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$4,108,265	69,738	+220.7%	Shares	Sole	2026-05-13
2025-12-31	$1,375,434	21,746	+9.2%	Shares	Sole	2026-02-13
2025-09-30	$1,249,843	19,921	+47.4%	Shares	Sole	2025-11-13
2025-06-30	$953,694	13,518	—	Shares	Sole	2025-08-11
No filing history on record for this holder in this stock.