Historical shareholding details of Arrowstreet Capital Limited Partnership holdings in Ceco Environmental Corp. (CECO)

Monthly changes of Arrowstreet Capital Limited Partnership shareholding in Ceco Environmental Corp. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Mar 31, 2025	Arrowstreet Capital Limited Partnership	2,329	0.01%

Feb 28, 2025	Arrowstreet Capital Limited Partnership	2,329	0.01%

Jan 31, 2025	Arrowstreet Capital Limited Partnership	2,329	0.01%

Dec 31, 2024	Arrowstreet Capital Limited Partnership	100,310	0.29%
Dec 31, 2024	Arrowstreet Capital Limited Partnership	2,329	0.01%

Sep 30, 2024	Arrowstreet Capital Limited Partnership	444,351	1.27%

Jun 30, 2024	Arrowstreet Capital Limited Partnership	442,022	1.26%

Mar 31, 2024	Arrowstreet Capital Limited Partnership	421,521	1.21%

Dec 31, 2023	Arrowstreet Capital Limited Partnership	322,663	0.93%

Sep 30, 2023	Arrowstreet Capital Limited Partnership	193,602	0.56%

Jun 30, 2023	Arrowstreet Capital Limited Partnership	458,900	1.32%

Mar 31, 2023	Arrowstreet Capital Limited Partnership	538,095	1.56%