ATKORE INC

Ticker: ATKR CUSIP: 047649108 Class: Common Stock

Grantham, Mayo, Van Otterloo & Co. LLC's Holding History (CIK: 0001352662)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 7,059 Value ($000) $446 Avg Close $64.69 Range $54.90 - $72.11

Q3 2025

Shares 10,747 Value ($000) $674 Avg Close $64.34 Range $52.65 - $78.81

Q2 2025

Shares 19,439 Value ($000) $1,371 Avg Close $63.68 Range $48.90 - $71.15

Q1 2025

Shares 19,806 Value ($000) $1,188 Avg Close $69.79 Range $54.77 - $87.26

Q4 2024

Shares 140,287 Value ($000) $11,707 Avg Close $85.73 Range $73.87 - $102.31

Q3 2024

Shares 133,320 Value ($000) $11,298 Avg Close $105.31 Range $77.86 - $148.52

Q2 2024

Shares 120,079 Value ($000) $16,202 Avg Close $154.09 Range $126.00 - $188.47

Q1 2024

Shares 116,718 Value ($000) $22,218 Avg Close $154.45 Range $134.58 - $184.78

Q4 2023

Shares 19,802 Value ($000) $3,168 Avg Close $133.07 Range $116.71 - $159.82

Q3 2023

Shares 9,588 Value ($000) $1,430 Avg Close $145.61 Range $132.06 - $158.92

Q2 2023

Shares 24,561 Value ($000) $3,830 Avg Close $126.47 Range $112.03 - $151.87

Q1 2023

Shares 24,394 Value ($000) $3,427 Avg Close $130.69 Range $108.94 - $149.38

Q4 2022

Shares 16,994 Value ($000) $1,927 Avg Close $100.95 Range $75.42 - $123.81

Q3 2022

Shares 5,100 Value ($000) $397 Avg Close $83.39 Range $68.00 - $97.57

Q1 2022

Shares 83,630 Value ($000) $8,233 Avg Close $100.07 Range $88.70 - $115.71

Q4 2021

Shares 109,518 Value ($000) $12,177 Avg Close $98.02 Range $80.56 - $114.29

Q3 2021

Shares 87,753 Value ($000) $7,627 Avg Close $80.31 Range $63.47 - $98.86

Q2 2021

Shares 42,541 Value ($000) $3,020 Avg Close $73.44 Range $64.87 - $86.89

Q1 2020

Shares 37,596 Value ($000) $792 Avg Close $34.57 Range $10.47 - $41.96

Q4 2019

Shares 14,396 Value ($000) $582 Avg Close $35.69 Range $27.57 - $41.16

Q3 2019

Shares 74,096 Value ($000) $2,249 Avg Close $27.13 Range $23.58 - $30.94

Q2 2019

Shares 196,700 Value ($000) $5,089 Avg Close $23.56 Range $20.98 - $25.74

Q1 2019

Shares 115,500 Value ($000) $2,487 Avg Close $21.55 Range $18.62 - $24.53

Q4 2018

Shares 53,100 Value ($000) $1,054 Avg Close $20.19 Range $16.85 - $26.18

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,059	$446	$64.69	$54.90 - $72.11
Q3 2025	10,747	$674	$64.34	$52.65 - $78.81
Q2 2025	19,439	$1,371	$63.68	$48.90 - $71.15
Q1 2025	19,806	$1,188	$69.79	$54.77 - $87.26
Q4 2024	140,287	$11,707	$85.73	$73.87 - $102.31
Q3 2024	133,320	$11,298	$105.31	$77.86 - $148.52
Q2 2024	120,079	$16,202	$154.09	$126.00 - $188.47
Q1 2024	116,718	$22,218	$154.45	$134.58 - $184.78
Q4 2023	19,802	$3,168	$133.07	$116.71 - $159.82
Q3 2023	9,588	$1,430	$145.61	$132.06 - $158.92
Q2 2023	24,561	$3,830	$126.47	$112.03 - $151.87
Q1 2023	24,394	$3,427	$130.69	$108.94 - $149.38
Q4 2022	16,994	$1,927	$100.95	$75.42 - $123.81
Q3 2022	5,100	$397	$83.39	$68.00 - $97.57
Q1 2022	83,630	$8,233	$100.07	$88.70 - $115.71
Q4 2021	109,518	$12,177	$98.02	$80.56 - $114.29
Q3 2021	87,753	$7,627	$80.31	$63.47 - $98.86
Q2 2021	42,541	$3,020	$73.44	$64.87 - $86.89
Q1 2020	37,596	$792	$34.57	$10.47 - $41.96
Q4 2019	14,396	$582	$35.69	$27.57 - $41.16
Q3 2019	74,096	$2,249	$27.13	$23.58 - $30.94
Q2 2019	196,700	$5,089	$23.56	$20.98 - $25.74
Q1 2019	115,500	$2,487	$21.55	$18.62 - $24.53
Q4 2018	53,100	$1,054	$20.19	$16.85 - $26.18