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Costco Wholesale Corporation shares owned by George Kaiser Family Foundation

Quarter-by-quarter ownership of Costco Wholesale Corporation (COST) shares owned by George Kaiser Family Foundation from 13F filings

Historical chart of George Kaiser Family Foundation investment in Costco Wholesale Corporation

Tip: Access up to 7 years of quarterly data

All positions including Costco Wholesale Corporation held by George Kaiser Family Foundation consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Costco Wholesale Corporation by George Kaiser Family Foundation

Quarter filed Position value Share count Share price at filing
2025-09-30 $389k 420 925.63
2025-06-30 $416k 420 989.94
2025-03-31 $275k 291 945.78
2022-03-31 $364k 632 575.95
2021-12-31 $359k 632 568.04
2021-09-30 $284k 632 449.37
2021-06-30 $250k 632 395.57
2021-03-31 $223k 632 352.85
2020-12-31 $238k 632 376.58
2020-09-30 $224k 632 354.43
2019-12-31 $1.3M 4.4k 293.87
2019-09-30 $1.3M 4.4k 288.00
2019-06-30 $1.2M 4.4k 264.32
2019-03-31 $1.1M 4.4k 242.22
2018-12-31 $903k 4.4k 203.65
2018-09-30 $1.0M 4.4k 234.78
2018-06-30 $927k 4.4k 209.07
2018-03-31 $835k 4.4k 188.32
2017-12-31 $825k 4.4k 186.06
2017-09-30 $728k 4.4k 164.19
2017-06-30 $709k 4.4k 159.90