Old Second Bancorp Inc

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM OSBC

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

47,172

Value ($000)

920

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	2/17/2026	920	0.0%	47,172	12/31/2025
2025 Q3	11/14/2025	681	0.0%	39,417	9/30/2025
2025 Q2	8/14/2025	699	0.0%	39,415	6/30/2025
2025 Q1	5/15/2025	664	0.0%	39,923	3/31/2025
2024 Q4	3/18/2025	710	0.0%	39,923	12/31/2024
2024 Q3	4/4/2025	629	0.0%	40,354	9/30/2024
2024 Q2	4/8/2025	646	0.0%	43,608	6/30/2024
2024 Q1	5/16/2024	617	0.0%	44,577	3/31/2024
2023 Q4	2/13/2024	725	0.0%	46,942	12/31/2023
2023 Q3	11/14/2023	668	0.0%	49,073	9/30/2023
2023 Q2	8/21/2023	688	0.0%	52,646	6/30/2023
2023 Q1	5/9/2023	662	0.0%	47,077	3/31/2023
2022 Q4	2/14/2023	768	0.0%	47,888	12/31/2022
2022 Q3	11/21/2022	618	0.0%	47,325	9/30/2022
2022 Q2	8/15/2022	644	0.0%	48,097	6/30/2022
2022 Q1	5/16/2022	174	0.0%	11,987	3/31/2022
2021 Q4	2/15/2022	186	0.0%	14,780	12/31/2021
2021 Q3	11/15/2021	203	0.0%	15,562	9/30/2021
2021 Q2	8/16/2021	476	0.0%	38,381	6/30/2021
2021 Q1	5/18/2021	566	0.0%	42,874	3/31/2021
2020 Q4	2/16/2021	438	0.0%	43,376	12/31/2020
2020 Q3	11/17/2020	339	0.0%	45,171	9/30/2020
2020 Q2	8/17/2020	351	0.0%	45,171	6/30/2020
2020 Q1	5/13/2020	312	0.0%	45,171	3/31/2020
2019 Q4	2/14/2020	602	0.0%	44,655	12/31/2019