Costco Wholesale Corp /New

CASTLEARK MANAGEMENT LLC COST

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

2,800

Value ($000)

2,415

Weight

0.1%

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	2/13/2026	2,415	0.1%	2,800	12/31/2025
2025 Q3	11/17/2025	2,592	0.1%	2,800	9/30/2025
2025 Q2	8/18/2025	2,772	0.1%	2,800	6/30/2025
2025 Q1	5/15/2025	2,648	0.1%	2,800	3/31/2025
2024 Q4	2/18/2025	2,566	0.1%	2,800	12/31/2024
2024 Q3	11/15/2024	2,482	0.1%	2,800	9/30/2024
2024 Q2	8/14/2024	2,380	0.1%	2,800	6/30/2024
2024 Q1	5/16/2024	2,051	0.1%	2,800	3/31/2024
2023 Q4	2/15/2024	1,848	0.1%	2,800	12/31/2023
2023 Q3	11/15/2023	1,582	0.1%	2,800	9/30/2023
2023 Q2	8/16/2023	1,507	0.1%	2,800	6/30/2023
2023 Q1	5/16/2023	1,391	0.1%	2,800	3/31/2023
2022 Q4	2/10/2023	1,278	0.1%	2,800	12/31/2022
2022 Q3	11/15/2022	1,322	0.1%	2,800	9/30/2022
2022 Q2	8/16/2022	1,342	0.1%	2,800	6/30/2022
2022 Q1	5/16/2022	1,612	0.1%	2,800	3/31/2022
2021 Q4	2/16/2022	1,590	0.1%	2,800	12/31/2021
2021 Q3	11/12/2021	1,258	0.0%	2,800	9/30/2021
2021 Q2	8/17/2021	1,108	0.0%	2,800	6/30/2021
2021 Q1	5/14/2021	987	0.0%	2,800	3/31/2021
2020 Q4	2/17/2021	1,055	0.0%	2,800	12/31/2020
2020 Q3	11/16/2020	994	0.0%	2,800	9/30/2020
2020 Q2	8/14/2020	849	0.0%	2,800	6/30/2020
2020 Q1	5/13/2020	12,768	0.8%	44,780	3/31/2020
2019 Q4	2/14/2020	14,473	0.6%	49,240	12/31/2019
2014 Q1	5/20/2014	69,532	2.0%	622,600	3/31/2014
2013 Q4	2/20/2014	83,965	2.4%	705,473	12/31/2013