Clean Harbors Inc

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS CLH

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/10/2026

Shares

12,569

Value ($000)

2,947

Weight

0.0%

2013 Q4 - 2025 Q4 (27 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/10/2026	2,947	0.0%	12,569	12/31/2025
2025 Q3	11/12/2025	3,005	0.0%	12,939	9/30/2025
2025 Q2	8/8/2025	2,991	0.0%	12,940	6/30/2025
2025 Q1	5/13/2025	2,387	0.0%	12,111	3/31/2025
2024 Q4	2/11/2025	2,575	0.0%	11,190	12/31/2024
2024 Q3	11/7/2024	2,703	0.0%	11,184	9/30/2024
2024 Q2	8/12/2024	2,514	0.0%	11,118	6/30/2024
2024 Q1	5/8/2024	2,240	0.0%	11,127	3/31/2024
2023 Q4	2/9/2024	1,939	0.0%	11,112	12/31/2023
2023 Q3	11/9/2023	1,707	0.0%	10,198	9/30/2023
2023 Q2	8/9/2023	3,999	0.0%	24,323	6/30/2023
2023 Q1	5/9/2023	3,229	0.0%	22,650	3/31/2023
2022 Q4	2/13/2023	2,582	0.0%	22,623	12/31/2022
2022 Q3	11/14/2022	2,194	0.0%	19,949	9/30/2022
2022 Q2	8/15/2022	2,100	0.0%	23,949	6/30/2022
2022 Q1	5/12/2022	2,762	0.0%	24,737	3/31/2022
2021 Q4	2/11/2022	2,285	0.0%	22,906	12/31/2021
2021 Q3	11/10/2021	2,257	0.0%	21,725	9/30/2021
2021 Q2	8/12/2021	2,770	0.0%	29,741	6/30/2021
2021 Q1	5/12/2021	2,216	0.0%	26,358	3/31/2021
2020 Q4	2/12/2021	2,635	0.0%	34,620	12/31/2020
2020 Q3	11/12/2020	2,501	0.0%	44,639	9/30/2020
2020 Q2	8/11/2020	1,455	0.0%	24,261	6/30/2020
2020 Q1	5/14/2020	1,074	0.0%	20,923	3/31/2020
2019 Q4	2/11/2020	1,350	0.0%	15,742	12/31/2019
2014 Q1	5/8/2014	423	0.0%	7,715	3/31/2014
2013 Q4	2/7/2014	465	0.0%	7,747	12/31/2013