The tables below present information regarding investments that are measured at fair value on a recurring basis and indicate the level within the hierarchy reflecting the valuation techniques utilized to determine fair value as of December 31, 2025 and 2024.


December 31, 2025:	Level 1 (in 000's)
Investments, at fair value:
Costco Wholesale Corporation common stock	$	18,338,069
Common commingled trust funds	16,852,301
Separately managed accounts	2,655,644
Registered investment company funds	610,665
Total investments in fair value hierarchy	$	38,456,679


December 31, 2024:	Level 1 (in 000's)
Investments, at fair value:
Costco Wholesale Corporation common stock	$	21,006,481
Common commingled trust funds	12,039,144
Separately managed accounts	2,629,978
Registered investment company funds	2,353,270
Total investments in fair value hierarchy	$	38,028,873

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Tabular disclosure of fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV).

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+ Details