ACUITY BRANDS INC

Ticker: AYI CUSIP: 00508Y102 Class: EQTY

Boston Partners's Holding History (CIK: 0001386060)

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

Q4 2025

Shares 600,655 Value ($000) $216,155 Avg Close $361.21 Range $335.28 - $378.92

Q3 2025

Shares 633,060 Value ($000) $218,071 Avg Close $318.45 Range $282.30 - $348.61

Q2 2025

Shares 574,975 Value ($000) $171,580 Avg Close $258.41 Range $216.28 - $309.56

Q1 2025

Shares 350,506 Value ($000) $92,246 Avg Close $301.63 Range $255.28 - $344.28

Q4 2024

Shares 357,103 Value ($000) $104,421 Avg Close $311.23 Range $284.02 - $336.99

Q3 2024

Shares 455,749 Value ($000) $126,019 Avg Close $247.63 Range $216.89 - $275.00

Q2 2024

Shares 476,006 Value ($000) $115,003 Avg Close $254.62 Range $226.71 - $271.48

Q1 2024

Shares 685,058 Value ($000) $183,475 Avg Close $241.03 Range $199.22 - $269.70

Q4 2023

Shares 689,265 Value ($000) $142,228 Avg Close $179.65 Range $156.02 - $206.87

Q3 2023

Shares 709,647 Value ($000) $120,585 Avg Close $162.26 Range $154.29 - $173.48

Q2 2023

Shares 522,519 Value ($000) $85,271 Avg Close $158.58 Range $148.29 - $183.61

Q1 2023

Shares 562,839 Value ($000) $101,937 Avg Close $183.14 Range $163.62 - $201.37

Q4 2022

Shares 123,846 Value ($000) $20,948 Avg Close $176.07 Range $153.90 - $197.21

Q3 2022

Shares 4,708 Value ($000) $741 Avg Close $167.55 Range $150.52 - $185.82

Q2 2022

Shares 4,615 Value ($000) $711 Avg Close $167.88 Range $141.31 - $191.03

Q1 2022

Shares 4,615 Value ($000) $874 Avg Close $190.09 Range $166.08 - $218.51

Q4 2021

Shares 4,481 Value ($000) $949 Avg Close $204.37 Range $168.12 - $222.09

Q3 2021

Shares 4,481 Value ($000) $777 Avg Close $173.21 Range $157.69 - $189.58

Q2 2021

Shares 5,127 Value ($000) $959 Avg Close $179.45 Range $163.02 - $192.15

Q1 2021

Shares 5,232 Value ($000) $863 Avg Close $125.79 Range $112.89 - $167.16

Q4 2020

Shares 5,671 Value ($000) $687 Avg Close $105.69 Range $86.64 - $121.40

Q3 2020

Shares 6,152 Value ($000) $630 Avg Close $101.11 Range $85.64 - $110.45

Q2 2020

Shares 6,211 Value ($000) $595 Avg Close $86.44 Range $69.35 - $115.45

Q1 2020

Shares 7,087 Value ($000) $607 Avg Close $107.61 Range $66.21 - $140.74

Q2 2019

Shares 14,063 Value ($000) $1,939 Avg Close $134.52 Range $117.96 - $144.26

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	600,655	$216,155	$361.21	$335.28 - $378.92
Q3 2025	633,060	$218,071	$318.45	$282.30 - $348.61
Q2 2025	574,975	$171,580	$258.41	$216.28 - $309.56
Q1 2025	350,506	$92,246	$301.63	$255.28 - $344.28
Q4 2024	357,103	$104,421	$311.23	$284.02 - $336.99
Q3 2024	455,749	$126,019	$247.63	$216.89 - $275.00
Q2 2024	476,006	$115,003	$254.62	$226.71 - $271.48
Q1 2024	685,058	$183,475	$241.03	$199.22 - $269.70
Q4 2023	689,265	$142,228	$179.65	$156.02 - $206.87
Q3 2023	709,647	$120,585	$162.26	$154.29 - $173.48
Q2 2023	522,519	$85,271	$158.58	$148.29 - $183.61
Q1 2023	562,839	$101,937	$183.14	$163.62 - $201.37
Q4 2022	123,846	$20,948	$176.07	$153.90 - $197.21
Q3 2022	4,708	$741	$167.55	$150.52 - $185.82
Q2 2022	4,615	$711	$167.88	$141.31 - $191.03
Q1 2022	4,615	$874	$190.09	$166.08 - $218.51
Q4 2021	4,481	$949	$204.37	$168.12 - $222.09
Q3 2021	4,481	$777	$173.21	$157.69 - $189.58
Q2 2021	5,127	$959	$179.45	$163.02 - $192.15
Q1 2021	5,232	$863	$125.79	$112.89 - $167.16
Q4 2020	5,671	$687	$105.69	$86.64 - $121.40
Q3 2020	6,152	$630	$101.11	$85.64 - $110.45
Q2 2020	6,211	$595	$86.44	$69.35 - $115.45
Q1 2020	7,087	$607	$107.61	$66.21 - $140.74
Q2 2019	14,063	$1,939	$134.52	$117.96 - $144.26