Costar Group, Inc.

VANGUARD GROUP INC CSGP

Report date

12/31/2025

Quarter

2025 Q4

Filed

1/29/2026

Shares

70,108,999

Value ($000)

4,714,129

Weight

0.1%

2013 Q4 - 2025 Q4 (28 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	1/29/2026	4,714,129	0.1%	70,108,999	12/31/2025
2025 Q3	11/7/2025	5,910,662	0.1%	70,056,441	9/30/2025
2025 Q2	8/11/2025	5,535,338	0.1%	68,847,483	6/30/2025
2025 Q1	5/9/2025	5,421,448	0.1%	68,426,711	3/31/2025
2024 Q4	2/11/2025	4,704,708	0.1%	65,717,391	12/31/2024
2024 Q3	11/13/2024	4,960,506	0.1%	65,754,320	9/30/2024
2024 Q2	8/13/2024	4,864,869	0.1%	65,617,338	6/30/2024
2024 Q1	5/10/2024	6,322,615	0.1%	65,451,499	3/31/2024
2023 Q4	3/11/2024	5,672,467	0.1%	64,909,799	12/31/2023
2023 Q3	12/18/2023	4,990,854	0.1%	64,909,009	9/30/2023
2023 Q2	8/14/2023	5,782,532	0.1%	64,972,275	6/30/2023
2023 Q1	7/14/2023	3,111,648	0.1%	45,194,599	3/31/2023
2022 Q4	2/10/2023	3,459,956	0.1%	44,771,685	12/31/2022
2022 Q3	11/14/2022	2,994,784	0.1%	42,997,622	9/30/2022
2022 Q2	8/12/2022	2,127,481	0.1%	35,217,382	6/30/2022
2022 Q1	5/13/2022	2,315,223	0.1%	34,757,886	3/31/2022
2021 Q4	2/14/2022	2,730,717	0.1%	34,552,931	12/31/2021
2021 Q3	11/12/2021	2,973,845	0.1%	34,555,484	9/30/2021
2021 Q2	8/13/2021	2,868,871	0.1%	34,639,833	6/30/2021
2021 Q1	5/14/2021	2,857,371	0.1%	3,476,587	3/31/2021
2020 Q4	2/12/2021	3,192,636	0.1%	3,454,187	12/31/2020
2020 Q3	11/16/2020	2,924,215	0.1%	3,446,294	9/30/2020
2020 Q2	8/14/2020	2,553,510	0.1%	3,593,102	6/30/2020
2020 Q1	5/15/2020	2,003,567	0.1%	3,412,011	3/31/2020
2019 Q4	2/14/2020	1,995,227	0.1%	3,334,825	12/31/2019
2014 Q2	8/11/2014	292,015	0.0%	1,846,205	6/30/2014
2014 Q1	5/13/2014	317,444	0.0%	1,699,920	3/31/2014
2013 Q4	2/12/2014	303,050	0.0%	1,641,835	12/31/2013