Costar Group, Inc.

Asset Management One Co., Ltd. CSGP

Report date

12/31/2025

Quarter

2025 Q4

Filed

1/27/2026

Shares

183,391

Value ($000)

12,396

Weight

0.0%

2013 Q2 - 2025 Q4 (29 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	1/27/2026	12,396	0.0%	183,391	12/31/2025
2025 Q3	10/22/2025	15,421	0.0%	182,784	9/30/2025
2025 Q2	7/31/2025	14,423	0.0%	179,394	6/30/2025
2025 Q1	4/23/2025	23,823	0.1%	300,684	3/31/2025
2024 Q4	1/30/2025	20,798	0.1%	287,978	12/31/2024
2024 Q3	10/30/2024	21,337	0.1%	282,828	9/30/2024
2024 Q2	7/18/2024	18,574	0.1%	250,526	6/30/2024
2024 Q1	5/2/2024	24,546	0.1%	254,097	3/31/2024
2023 Q4	1/24/2024	23,072	0.1%	262,154	12/31/2023
2023 Q3	10/19/2023	20,592	0.1%	267,815	9/30/2023
2023 Q2	7/31/2023	23,615	0.1%	265,336	6/30/2023
2023 Q1	4/25/2023	18,439	0.1%	267,817	3/31/2023
2022 Q4	2/6/2023	19,947	0.1%	256,839	12/31/2022
2022 Q3	11/4/2022	11,374	0.1%	163,305	9/30/2022
2022 Q2	7/29/2022	9,854	0.0%	163,125	6/30/2022
2022 Q1	5/13/2022	11,206	0.0%	168,248	3/31/2022
2021 Q4	2/9/2022	24,005	0.1%	300,692	12/31/2021
2021 Q3	11/2/2021	25,961	0.1%	301,670	9/30/2021
2021 Q2	8/3/2021	25,185	0.1%	304,094	6/30/2021
2021 Q1	5/14/2021	25,779	0.1%	31,366	3/31/2021
2020 Q4	2/12/2021	29,429	0.1%	32,045	12/31/2020
2020 Q3	11/13/2020	27,295	0.1%	32,165	9/30/2020
2020 Q2	8/14/2020	14,004	0.1%	19,706	6/30/2020
2020 Q1	5/14/2020	11,261	0.1%	19,180	3/31/2020
2019 Q4	2/14/2020	11,622	0.1%	19,425	12/31/2019
2014 Q1	5/5/2014	732	0.0%	3,934	3/31/2014
2013 Q4	2/5/2014	864	0.0%	4,692	12/31/2013
2013 Q3	2/5/2014	808	0.0%	4,839	9/30/2013
2013 Q2	2/12/2014	622	0.0%	4,818	6/30/2013