ATKORE INC

Ticker: ATKR CUSIP: 047649108 Class: Common Stock

JANUS HENDERSON GROUP PLC's Holding History (CIK: 0001274173)

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

Q4 2025

Shares 14,078 Value ($000) $890 Avg Close $64.69 Range $54.90 - $72.11

Q3 2025

Shares 14,078 Value ($000) $883 Avg Close $64.34 Range $52.65 - $78.81

Q2 2025

Shares 179,452 Value ($000) $12,661 Avg Close $63.68 Range $48.90 - $71.15

Q1 2025

Shares 63,645 Value ($000) $3,856 Avg Close $69.79 Range $54.77 - $87.26

Q4 2024

Shares 70,228 Value ($000) $5,860 Avg Close $85.73 Range $73.87 - $102.31

Q3 2024

Shares 30,232 Value ($000) $2,564 Avg Close $105.31 Range $77.86 - $148.52

Q2 2024

Shares 30,468 Value ($000) $4,113 Avg Close $154.09 Range $126.00 - $188.47

Q1 2024

Shares 30,035 Value ($000) $5,717 Avg Close $154.45 Range $134.58 - $184.78

Q4 2023

Shares 30,535 Value ($000) $4,886 Avg Close $133.07 Range $116.71 - $159.82

Q3 2023

Shares 29,950 Value ($000) $4,469 Avg Close $145.61 Range $132.06 - $158.92

Q2 2023

Shares 27,496 Value ($000) $4,287 Avg Close $126.47 Range $112.03 - $151.87

Q1 2023

Shares 23,671 Value ($000) $3,325 Avg Close $130.69 Range $108.94 - $149.38

Q4 2022

Shares 13,663 Value ($000) $1,550 Avg Close $100.95 Range $75.42 - $123.81

Q3 2022

Shares 22,758 Value ($000) $1,771 Avg Close $83.39 Range $68.00 - $97.57

Q2 2022

Shares 24,586 Value ($000) $2,041 Avg Close $95.85 Range $77.21 - $119.16

Q1 2022

Shares 28,697 Value ($000) $2,825 Avg Close $100.07 Range $88.70 - $115.71

Q4 2021

Shares 32,835 Value ($000) $3,651 Avg Close $98.02 Range $80.56 - $114.29

Q3 2021

Shares 21,381 Value ($000) $1,858 Avg Close $80.31 Range $63.47 - $98.86

Q2 2021

Shares 22,014 Value ($000) $1,563 Avg Close $73.44 Range $64.87 - $86.89

Q1 2021

Shares 20,498 Value ($000) $1,474 Avg Close $58.32 Range $40.58 - $72.92

Q4 2020

Shares 9,882 Value ($000) $406 Avg Close $30.42 Range $19.70 - $43.40

Q3 2020

Shares 12,677 Value ($000) $288 Avg Close $26.12 Range $21.18 - $32.16

Q2 2020

Shares 17,467 Value ($000) $478 Avg Close $23.86 Range $16.71 - $31.96

Q1 2020

Shares 14,411 Value ($000) $304 Avg Close $34.57 Range $10.47 - $41.96

Q4 2019

Shares 10,073 Value ($000) $408 Avg Close $35.69 Range $27.57 - $41.16

Q3 2019

Shares 9,246 Value ($000) $281 Avg Close $27.13 Range $23.58 - $30.94

Q2 2019

Shares 8,928 Value ($000) $231 Avg Close $23.56 Range $20.98 - $25.74

Q2 2016

Shares 13,961 Value ($000) $223 Avg Close $15.59 Range $14.87 - $16.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,078	$890	$64.69	$54.90 - $72.11
Q3 2025	14,078	$883	$64.34	$52.65 - $78.81
Q2 2025	179,452	$12,661	$63.68	$48.90 - $71.15
Q1 2025	63,645	$3,856	$69.79	$54.77 - $87.26
Q4 2024	70,228	$5,860	$85.73	$73.87 - $102.31
Q3 2024	30,232	$2,564	$105.31	$77.86 - $148.52
Q2 2024	30,468	$4,113	$154.09	$126.00 - $188.47
Q1 2024	30,035	$5,717	$154.45	$134.58 - $184.78
Q4 2023	30,535	$4,886	$133.07	$116.71 - $159.82
Q3 2023	29,950	$4,469	$145.61	$132.06 - $158.92
Q2 2023	27,496	$4,287	$126.47	$112.03 - $151.87
Q1 2023	23,671	$3,325	$130.69	$108.94 - $149.38
Q4 2022	13,663	$1,550	$100.95	$75.42 - $123.81
Q3 2022	22,758	$1,771	$83.39	$68.00 - $97.57
Q2 2022	24,586	$2,041	$95.85	$77.21 - $119.16
Q1 2022	28,697	$2,825	$100.07	$88.70 - $115.71
Q4 2021	32,835	$3,651	$98.02	$80.56 - $114.29
Q3 2021	21,381	$1,858	$80.31	$63.47 - $98.86
Q2 2021	22,014	$1,563	$73.44	$64.87 - $86.89
Q1 2021	20,498	$1,474	$58.32	$40.58 - $72.92
Q4 2020	9,882	$406	$30.42	$19.70 - $43.40
Q3 2020	12,677	$288	$26.12	$21.18 - $32.16
Q2 2020	17,467	$478	$23.86	$16.71 - $31.96
Q1 2020	14,411	$304	$34.57	$10.47 - $41.96
Q4 2019	10,073	$408	$35.69	$27.57 - $41.16
Q3 2019	9,246	$281	$27.13	$23.58 - $30.94
Q2 2019	8,928	$231	$23.56	$20.98 - $25.74
Q2 2016	13,961	$223	$15.59	$14.87 - $16.25