Koppers Holdings Inc.

OREGON PUBLIC EMPLOYEES RETIREMENT FUND KOP

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/4/2026

Shares

4,512

Value ($000)

122

Weight

0.0%

2019 Q4 - 2025 Q4 (25 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	2/4/2026	122	0.0%	4,512	12/31/2025
2025 Q3	10/24/2025	123	0.0%	4,396	9/30/2025
2025 Q2	7/25/2025	148	0.0%	4,596	6/30/2025
2025 Q1	4/28/2025	129	0.0%	4,596	3/31/2025
2024 Q4	2/5/2025	155	0.0%	4,796	12/31/2024
2024 Q3	10/29/2024	175	0.0%	4,796	9/30/2024
2024 Q2	8/2/2024	192	0.0%	5,196	6/30/2024
2024 Q1	5/3/2024	309	0.0%	5,596	3/31/2024
2023 Q4	2/12/2024	312	0.0%	6,096	12/31/2023
2023 Q3	10/27/2023	247	0.0%	6,245	9/30/2023
2023 Q2	7/26/2023	220	0.0%	6,445	6/30/2023
2023 Q1	5/4/2023	236	0.0%	6,745	3/31/2023
2022 Q4	1/26/2023	195	0.0%	6,931	12/31/2022
2022 Q3	11/2/2022	145	0.0%	6,982	9/30/2022
2022 Q2	7/25/2022	156	0.0%	6,910	6/30/2022
2022 Q1	4/21/2022	220	0.0%	8,010	3/31/2022
2021 Q4	2/1/2022	257	0.0%	8,210	12/31/2021
2021 Q3	10/19/2021	269	0.0%	8,610	9/30/2021
2021 Q2	7/23/2021	279	0.0%	8,610	6/30/2021
2021 Q1	4/20/2021	299	0.0%	8,610	3/31/2021
2020 Q4	2/9/2021	262	0.0%	8,410	12/31/2020
2020 Q3	11/3/2020	179	0.0%	8,542	9/30/2020
2020 Q2	7/21/2020	153	0.0%	8,142	6/30/2020
2020 Q1	4/20/2020	101	0.0%	8,142	3/31/2020
2019 Q4	2/5/2020	311	0.0%	8,142	12/31/2019