ACUITY BRANDS INC

Ticker: AYI CUSIP: 00508Y102 Class: EQTY

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q4 2025

Shares 2,105 Value ($000) $758 Avg Close $361.21 Range $335.28 - $378.92

Q3 2025

Shares 2,470 Value ($000) $851 Avg Close $318.45 Range $282.30 - $348.61

Q2 2025

Shares 2,570 Value ($000) $767 Avg Close $258.41 Range $216.28 - $309.56

Q1 2025

Shares 2,570 Value ($000) $677 Avg Close $301.63 Range $255.28 - $344.28

Q4 2024

Shares 2,595 Value ($000) $758 Avg Close $311.23 Range $284.02 - $336.99

Q3 2024

Shares 2,595 Value ($000) $715 Avg Close $247.63 Range $216.89 - $275.00

Q2 2024

Shares 2,745 Value ($000) $663 Avg Close $254.62 Range $226.71 - $271.48

Q1 2024

Shares 3,345 Value ($000) $899 Avg Close $241.03 Range $199.22 - $269.70

Q4 2023

Shares 3,395 Value ($000) $695 Avg Close $179.65 Range $156.02 - $206.87

Q3 2023

Shares 3,395 Value ($000) $578 Avg Close $162.26 Range $154.29 - $173.48

Q2 2023

Shares 3,470 Value ($000) $566 Avg Close $158.58 Range $148.29 - $183.61

Q1 2023

Shares 3,470 Value ($000) $634 Avg Close $183.14 Range $163.62 - $201.37

Q4 2022

Shares 3,570 Value ($000) $591 Avg Close $176.07 Range $153.90 - $197.21

Q3 2022

Shares 3,755 Value ($000) $591 Avg Close $167.55 Range $150.52 - $185.82

Q2 2022

Shares 3,880 Value ($000) $598 Avg Close $167.88 Range $141.31 - $191.03

Q1 2022

Shares 4,430 Value ($000) $839 Avg Close $190.09 Range $166.08 - $218.51

Q4 2021

Shares 4,560 Value ($000) $965 Avg Close $204.37 Range $168.12 - $222.09

Q3 2021

Shares 4,749 Value ($000) $823 Avg Close $173.21 Range $157.69 - $189.58

Q2 2021

Shares 4,749 Value ($000) $888 Avg Close $179.45 Range $163.02 - $192.15

Q1 2021

Shares 4,749 Value ($000) $784 Avg Close $125.79 Range $112.89 - $167.16

Q4 2020

Shares 5,130 Value ($000) $621 Avg Close $105.69 Range $86.64 - $121.40

Q3 2020

Shares 5,170 Value ($000) $529 Avg Close $101.11 Range $85.64 - $110.45

Q2 2020

Shares 5,447 Value ($000) $521 Avg Close $86.44 Range $69.35 - $115.45

Q1 2020

Shares 5,447 Value ($000) $467 Avg Close $107.61 Range $66.21 - $140.74

Q4 2019

Shares 6,297 Value ($000) $869 Avg Close $126.02 Range $103.76 - $136.80

Q3 2019

Shares 6,862 Value ($000) $925 Avg Close $127.56 Range $116.66 - $138.93

Q2 2019

Shares 6,822 Value ($000) $941 Avg Close $134.52 Range $117.96 - $144.26

Q1 2019

Shares 6,822 Value ($000) $819 Avg Close $121.61 Range $107.45 - $131.88

Q4 2018

Shares 7,822 Value ($000) $899 Avg Close $120.52 Range $101.04 - $156.11

Q3 2018

Shares 8,072 Value ($000) $1,269 Avg Close $140.00 Range $112.07 - $168.76

Q2 2018

Shares 7,772 Value ($000) $901 Avg Close $118.70 Range $107.17 - $135.65

Q1 2018

Shares 6,222 Value ($000) $866 Avg Close $149.74 Range $128.15 - $181.89

Q4 2017

Shares 6,662 Value ($000) $1,173 Avg Close $161.83 Range $150.78 - $175.77

Q3 2017

Shares 7,062 Value ($000) $1,210 Avg Close $181.12 Range $148.98 - $202.97

Q2 2017

Shares 7,562 Value ($000) $1,537 Avg Close $171.47 Range $152.82 - $203.04

Q1 2017

Shares 7,562 Value ($000) $1,543 Avg Close $205.01 Range $187.27 - $234.36

Q4 2016

Shares 7,562 Value ($000) $1,746 Avg Close $235.37 Range $210.39 - $258.93

Q3 2016

Shares 7,585 Value ($000) $2,007 Avg Close $258.03 Range $236.44 - $272.32

Q2 2016

Shares 7,585 Value ($000) $1,881 Avg Close $242.03 Range $208.71 - $255.82

Q1 2016

Shares 8,295 Value ($000) $1,809 Avg Close $199.80 Range $164.09 - $230.25

Q4 2015

Shares 9,395 Value ($000) $2,197 Avg Close $210.07 Range $165.74 - $234.14

Q3 2015

Shares 10,445 Value ($000) $1,834 Avg Close $187.96 Range $162.82 - $204.89

Q2 2015

Shares 11,045 Value ($000) $1,988 Avg Close $169.64 Range $156.73 - $181.39

Q1 2015

Shares 11,545 Value ($000) $1,941 Avg Close $151.50 Range $128.55 - $166.86

Q4 2014

Shares 16,335 Value ($000) $2,288 Avg Close $131.09 Range $116.99 - $138.65

Q3 2014

Shares 16,995 Value ($000) $2,000 Avg Close $113.61 Range $100.92 - $127.60

Q2 2014

Shares 17,295 Value ($000) $2,391 Avg Close $122.39 Range $112.44 - $135.30

Q1 2014

Shares 17,995 Value ($000) $2,386 Avg Close $127.10 Range $101.61 - $140.71

Q4 2013

Shares 19,895 Value ($000) $2,175 Avg Close $97.88 Range $87.92 - $106.76

Q3 2013

Shares 25,795 Value ($000) $2,374 Avg Close $83.86 Range $72.46 - $90.30

Q2 2013

Shares 26,695 Value ($000) $2,016 Avg Close $70.97 Range $64.89 - $75.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,105	$758	$361.21	$335.28 - $378.92
Q3 2025	2,470	$851	$318.45	$282.30 - $348.61
Q2 2025	2,570	$767	$258.41	$216.28 - $309.56
Q1 2025	2,570	$677	$301.63	$255.28 - $344.28
Q4 2024	2,595	$758	$311.23	$284.02 - $336.99
Q3 2024	2,595	$715	$247.63	$216.89 - $275.00
Q2 2024	2,745	$663	$254.62	$226.71 - $271.48
Q1 2024	3,345	$899	$241.03	$199.22 - $269.70
Q4 2023	3,395	$695	$179.65	$156.02 - $206.87
Q3 2023	3,395	$578	$162.26	$154.29 - $173.48
Q2 2023	3,470	$566	$158.58	$148.29 - $183.61
Q1 2023	3,470	$634	$183.14	$163.62 - $201.37
Q4 2022	3,570	$591	$176.07	$153.90 - $197.21
Q3 2022	3,755	$591	$167.55	$150.52 - $185.82
Q2 2022	3,880	$598	$167.88	$141.31 - $191.03
Q1 2022	4,430	$839	$190.09	$166.08 - $218.51
Q4 2021	4,560	$965	$204.37	$168.12 - $222.09
Q3 2021	4,749	$823	$173.21	$157.69 - $189.58
Q2 2021	4,749	$888	$179.45	$163.02 - $192.15
Q1 2021	4,749	$784	$125.79	$112.89 - $167.16
Q4 2020	5,130	$621	$105.69	$86.64 - $121.40
Q3 2020	5,170	$529	$101.11	$85.64 - $110.45
Q2 2020	5,447	$521	$86.44	$69.35 - $115.45
Q1 2020	5,447	$467	$107.61	$66.21 - $140.74
Q4 2019	6,297	$869	$126.02	$103.76 - $136.80
Q3 2019	6,862	$925	$127.56	$116.66 - $138.93
Q2 2019	6,822	$941	$134.52	$117.96 - $144.26
Q1 2019	6,822	$819	$121.61	$107.45 - $131.88
Q4 2018	7,822	$899	$120.52	$101.04 - $156.11
Q3 2018	8,072	$1,269	$140.00	$112.07 - $168.76
Q2 2018	7,772	$901	$118.70	$107.17 - $135.65
Q1 2018	6,222	$866	$149.74	$128.15 - $181.89
Q4 2017	6,662	$1,173	$161.83	$150.78 - $175.77
Q3 2017	7,062	$1,210	$181.12	$148.98 - $202.97
Q2 2017	7,562	$1,537	$171.47	$152.82 - $203.04
Q1 2017	7,562	$1,543	$205.01	$187.27 - $234.36
Q4 2016	7,562	$1,746	$235.37	$210.39 - $258.93
Q3 2016	7,585	$2,007	$258.03	$236.44 - $272.32
Q2 2016	7,585	$1,881	$242.03	$208.71 - $255.82
Q1 2016	8,295	$1,809	$199.80	$164.09 - $230.25
Q4 2015	9,395	$2,197	$210.07	$165.74 - $234.14
Q3 2015	10,445	$1,834	$187.96	$162.82 - $204.89
Q2 2015	11,045	$1,988	$169.64	$156.73 - $181.39
Q1 2015	11,545	$1,941	$151.50	$128.55 - $166.86
Q4 2014	16,335	$2,288	$131.09	$116.99 - $138.65
Q3 2014	16,995	$2,000	$113.61	$100.92 - $127.60
Q2 2014	17,295	$2,391	$122.39	$112.44 - $135.30
Q1 2014	17,995	$2,386	$127.10	$101.61 - $140.71
Q4 2013	19,895	$2,175	$97.88	$87.92 - $106.76
Q3 2013	25,795	$2,374	$83.86	$72.46 - $90.30
Q2 2013	26,695	$2,016	$70.97	$64.89 - $75.85