Grantham, Mayo, Van Otterloo & Co. LLC

Position in ATKR — Atkore Inc.

CIK 1352662 Boston, MA

Position in ATKR

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$507,262

+$103,376 QoQ

Shares Held

6,671

-2.7% QoQ

Ownership

0.020%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#179

of 324 holders

Holding Since

Mar 2020

21 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

Grantham, Mayo, Van Otterloo & Co. LLC holds $23,689,591 across 6 Electrical Equipment & Parts names. ATKR ranks #5 (2.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ENS	EnerSys	61,158	$14,299,963
2	AYI	Acuity Inc. (De)	13,222	$4,980,198
3	VRT	Vertiv Holdings Co	5,953	$1,993,183
4	HUBB	Hubbell Inc	3,170	$1,658,544
5	ATKR	Atkore Inc. This page	6,671	$507,262
6	PLPC	Preformed Line Products Co	610	$250,441

21 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$507,262	6,671	-2.7%	Shares	Sole	2026-08-13
2026-03-31	$403,886	6,856	-2.9%	Shares	Sole	2026-05-14
2025-12-31	$446,481	7,059	-34.3%	Shares	Sole	2026-02-17
2025-09-30	$674,266	10,747	-44.7%	Shares	Sole	2025-11-13
2025-06-30	$1,371,421	19,439	-1.9%	Shares	Sole	2025-08-13
2025-03-31	$1,188,161	19,806	-85.9%	Shares	Sole	2025-05-14
2024-12-31	$11,706,950	140,287	+5.2%	Shares	Sole	2025-02-13
2024-09-30	$11,297,536	133,320	+11.0%	Shares	Sole	2024-11-13
2024-06-30	$16,202,259	120,079	+2.9%	Shares	Sole	2024-08-13
2024-03-31	$22,218,438	116,718	+489.4%	Shares	Sole	2024-05-14
2023-12-31	$3,168,320	19,802	+106.5%	Shares	Sole	2024-02-13
2023-09-30	$1,430,433	9,588	-61.0%	Shares	Sole	2023-11-13
2023-06-30	$3,830,042	24,561	+0.7%	Shares	Sole	2023-08-14
2023-03-31	$3,426,869	24,394	+43.5%	Shares	Sole	2023-05-12
2022-12-31	$1,927,459	16,994	+233.2%	Shares	Sole	2023-02-13
2022-09-30	$396,831	5,100	-93.9%	Shares	Sole	2022-11-10
2022-03-31	$8,232,537	83,630	-23.6%	Shares	Sole	2022-05-13
2021-12-31	$12,177,306	109,518	+24.8%	Shares	Sole	2022-02-11
2021-09-30	$7,627,490	87,753	+106.3%	Shares	Sole	2021-11-12
2021-06-30	$3,020,411	42,541	+13.2%	Shares	Sole	2021-08-12
2020-03-31	$792,147	37,596	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.