Costar Group, Inc.

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM CSGP

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

682,638

Value ($000)

45,901

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	2/17/2026	45,901	0.0%	682,638	12/31/2025
2025 Q3	11/14/2025	58,742	0.1%	696,243	9/30/2025
2025 Q2	8/14/2025	56,144	0.1%	698,309	6/30/2025
2025 Q1	5/15/2025	55,180	0.1%	696,449	3/31/2025
2024 Q4	3/18/2025	48,723	0.1%	680,585	12/31/2024
2024 Q3	4/4/2025	50,908	0.1%	674,811	9/30/2024
2024 Q2	4/8/2025	49,768	0.1%	671,264	6/30/2024
2024 Q1	5/16/2024	63,424	0.1%	656,559	3/31/2024
2023 Q4	2/13/2024	56,819	0.1%	650,178	12/31/2023
2023 Q3	11/14/2023	48,914	0.1%	636,153	9/30/2023
2023 Q2	8/21/2023	58,705	0.1%	659,604	6/30/2023
2023 Q1	5/9/2023	46,482	0.1%	675,127	3/31/2023
2022 Q4	2/14/2023	51,697	0.1%	668,960	12/31/2022
2022 Q3	11/21/2022	45,717	0.1%	656,378	9/30/2022
2022 Q2	8/15/2022	40,002	0.1%	662,181	6/30/2022
2022 Q1	5/16/2022	43,928	0.1%	659,485	3/31/2022
2021 Q4	2/15/2022	55,210	0.1%	698,591	12/31/2021
2021 Q3	11/15/2021	59,350	0.1%	689,636	9/30/2021
2021 Q2	8/16/2021	58,299	0.1%	703,927	6/30/2021
2021 Q1	5/18/2021	60,535	0.1%	73,654	3/31/2021
2020 Q4	2/16/2021	67,607	0.1%	73,146	12/31/2020
2020 Q3	11/17/2020	60,563	0.1%	71,376	9/30/2020
2020 Q2	8/17/2020	48,879	0.1%	68,779	6/30/2020
2020 Q1	5/13/2020	37,699	0.1%	64,201	3/31/2020
2019 Q4	2/14/2020	39,372	0.1%	65,807	12/31/2019
2014 Q1	5/8/2014	9,702	0.0%	51,953	3/31/2014
2013 Q4	2/10/2014	9,534	0.0%	51,653	12/31/2013