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Costco Wholesale Corporation shares owned by William Blair Investment Management

Quarter-by-quarter ownership of Costco Wholesale Corporation (COST) shares owned by William Blair Investment Management from 13F filings

Historical chart of William Blair Investment Management investment in Costco Wholesale Corporation

Tip: Access up to 7 years of quarterly data

All positions including Costco Wholesale Corporation held by William Blair Investment Management consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Costco Wholesale Corporation by William Blair Investment Management

Quarter filed Position value Share count Share price at filing
2023-12-31 $260M 394k 660.08
2023-09-30 $247M 438k 564.96
2023-06-30 $202M 375k 538.38
2023-03-31 $180M 362k 496.87
2022-12-31 $222M 485k 456.50
2022-09-30 $218M 462k 472.27
2022-06-30 $208M 433k 479.28
2022-03-31 $195M 339k 575.85
2021-12-31 $175M 309k 567.70
2021-09-30 $96M 214k 449.35
2021-06-30 $86M 219k 395.67
2021-03-31 $76M 216k 352.48
2020-12-31 $68M 180k 376.78
2020-09-30 $81M 229k 355.00
2020-06-30 $41M 135k 303.21
2020-03-31 $36M 125k 285.13
2019-12-31 $37M 126k 293.92
2019-09-30 $39M 135k 288.11
2019-06-30 $40M 150k 264.26
2019-03-31 $31M 128k 242.14
2018-12-31 $13M 65k 203.71
2018-09-30 $15M 63k 234.88
2018-06-30 $17M 80k 208.98
2018-03-31 $16M 84k 188.42
2017-12-31 $18M 95k 186.12
2017-09-30 $69M 422k 164.29
2017-06-30 $58M 363k 159.93
2017-03-31 $79M 472k 167.69
2016-12-31 $91M 570k 160.11
2016-09-30 $93M 612k 152.51
2016-06-30 $94M 596k 157.04
2016-03-31 $121M 765k 157.58
2015-12-31 $105M 652k 161.50
2015-09-30 $90M 620k 144.57