ATKORE INC

Ticker: ATKR CUSIP: 047649108 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025

Shares 47,051 Value ($000) $2,976 Avg Close $64.69 Range $54.90 - $72.11

Q3 2025

Shares 151,623 Value ($000) $9,513 Avg Close $64.34 Range $52.65 - $78.81

Q2 2025

Shares 73,031 Value ($000) $5,152 Avg Close $63.68 Range $48.90 - $71.15

Q4 2024

Shares 30,004 Value ($000) $2,504 Avg Close $85.73 Range $73.87 - $102.31

Q3 2024

Shares 121,992 Value ($000) $10,338 Avg Close $105.31 Range $77.86 - $148.52

Q2 2024

Shares 224,267 Value ($000) $30,260 Avg Close $154.09 Range $126.00 - $188.47

Q1 2024

Shares 19,544 Value ($000) $3,720 Avg Close $154.45 Range $134.58 - $184.78

Q4 2022

Shares 8,839 Value ($000) $1,003 Avg Close $100.95 Range $75.42 - $123.81

Q1 2022

Shares 78,140 Value ($000) $7,692 Avg Close $100.07 Range $88.70 - $115.71

Q4 2021

Shares 84,974 Value ($000) $9,448 Avg Close $98.02 Range $80.56 - $114.29

Q3 2021

Shares 15,462 Value ($000) $1,343 Avg Close $80.31 Range $63.47 - $98.86

Q4 2020

Shares 31,114 Value ($000) $1,279 Avg Close $30.42 Range $19.70 - $43.40

Q3 2020

Shares 147,385 Value ($000) $3,350 Avg Close $26.12 Range $21.18 - $32.16

Q2 2020

Shares 63,133 Value ($000) $1,726 Avg Close $23.86 Range $16.71 - $31.96

Q1 2020

Shares 72,689 Value ($000) $1,532 Avg Close $34.57 Range $10.47 - $41.96

Q4 2019

Shares 461,064 Value ($000) $18,655 Avg Close $35.69 Range $27.57 - $41.16

Q3 2019

Shares 206,606 Value ($000) $6,270 Avg Close $27.13 Range $23.58 - $30.94

Q2 2019

Shares 30,142 Value ($000) $780 Avg Close $23.56 Range $20.98 - $25.74

Q1 2019

Shares 31,602 Value ($000) $680 Avg Close $21.55 Range $18.62 - $24.53

Q4 2018

Shares 33,022 Value ($000) $655 Avg Close $20.19 Range $16.85 - $26.18

Q1 2018

Shares 18,100 Value ($000) $359 Avg Close $20.73 Range $18.57 - $23.61

Q4 2016

Shares 89,030 Value ($000) $2,129 Avg Close $19.83 Range $17.36 - $23.48

Q3 2016

Shares 12,400 Value ($000) $232 Avg Close $16.69 Range $13.67 - $18.49

Q2 2016

Shares 336,119 Value ($000) $5,378 Avg Close $15.59 Range $14.87 - $16.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	47,051	$2,976	$64.69	$54.90 - $72.11
Q3 2025	151,623	$9,513	$64.34	$52.65 - $78.81
Q2 2025	73,031	$5,152	$63.68	$48.90 - $71.15
Q4 2024	30,004	$2,504	$85.73	$73.87 - $102.31
Q3 2024	121,992	$10,338	$105.31	$77.86 - $148.52
Q2 2024	224,267	$30,260	$154.09	$126.00 - $188.47
Q1 2024	19,544	$3,720	$154.45	$134.58 - $184.78
Q4 2022	8,839	$1,003	$100.95	$75.42 - $123.81
Q1 2022	78,140	$7,692	$100.07	$88.70 - $115.71
Q4 2021	84,974	$9,448	$98.02	$80.56 - $114.29
Q3 2021	15,462	$1,343	$80.31	$63.47 - $98.86
Q4 2020	31,114	$1,279	$30.42	$19.70 - $43.40
Q3 2020	147,385	$3,350	$26.12	$21.18 - $32.16
Q2 2020	63,133	$1,726	$23.86	$16.71 - $31.96
Q1 2020	72,689	$1,532	$34.57	$10.47 - $41.96
Q4 2019	461,064	$18,655	$35.69	$27.57 - $41.16
Q3 2019	206,606	$6,270	$27.13	$23.58 - $30.94
Q2 2019	30,142	$780	$23.56	$20.98 - $25.74
Q1 2019	31,602	$680	$21.55	$18.62 - $24.53
Q4 2018	33,022	$655	$20.19	$16.85 - $26.18
Q1 2018	18,100	$359	$20.73	$18.57 - $23.61
Q4 2016	89,030	$2,129	$19.83	$17.36 - $23.48
Q3 2016	12,400	$232	$16.69	$13.67 - $18.49
Q2 2016	336,119	$5,378	$15.59	$14.87 - $16.25