Costco Wholesale Corp /New

STATE OF MICHIGAN RETIREMENT SYSTEM COST

Report date

12/31/2025

Quarter

2025 Q4

Filed

1/29/2026

Shares

169,769

Value ($000)

146,399

Weight

0.7%

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	146,399	0.7%	169,769	12/31/2025
2025 Q3	11/5/2025	161,864	0.8%	174,869	9/30/2025
2025 Q2	8/5/2025	173,803	0.9%	175,569	6/30/2025
2025 Q1	4/30/2025	165,766	1.0%	175,269	3/31/2025
2024 Q4	2/6/2025	160,410	0.8%	175,069	12/31/2024
2024 Q3	11/4/2024	157,507	0.8%	177,669	9/30/2024
2024 Q2	7/26/2024	151,612	0.8%	178,369	6/30/2024
2024 Q1	4/18/2024	115,733	0.6%	157,969	3/31/2024
2023 Q4	1/23/2024	84,206	0.5%	127,569	12/31/2023
2023 Q3	10/27/2023	71,958	0.5%	127,369	9/30/2023
2023 Q2	7/26/2023	69,650	0.4%	129,369	6/30/2023
2023 Q1	4/28/2023	69,695	0.5%	140,269	3/31/2023
2022 Q4	1/27/2023	63,302	0.4%	138,669	12/31/2022
2022 Q3	10/24/2022	64,686	0.5%	136,969	9/30/2022
2022 Q2	8/8/2022	65,455	0.4%	136,569	6/30/2022
2022 Q1	5/4/2022	79,219	0.5%	137,569	3/31/2022
2021 Q4	1/27/2022	77,721	0.4%	136,905	12/31/2021
2021 Q3	10/27/2021	52,486	0.3%	116,805	9/30/2021
2021 Q2	7/27/2021	46,256	0.3%	116,905	6/30/2021
2021 Q1	7/27/2021	39,162	0.2%	111,105	3/31/2021
2020 Q4	7/27/2021	41,787	0.3%	110,905	12/31/2020
2020 Q3	10/26/2020	40,010	0.3%	112,705	9/30/2020
2020 Q2	7/29/2020	34,204	0.3%	112,805	6/30/2020
2020 Q1	5/1/2020	28,865	0.3%	101,236	3/31/2020
2019 Q4	1/24/2020	31,401	0.3%	106,836	12/31/2019
2014 Q2	8/6/2014	20,684	0.1%	179,608	6/30/2014
2014 Q1	5/6/2014	20,047	0.2%	179,508	3/31/2014
2013 Q4	2/7/2014	21,137	0.2%	177,608	12/31/2013