Costco Wholesale Corporation
MX ˙ BMV ˙ US22160K1051
SecurityMX:COST / Costco Wholesale Corporation
InstitutionHunter Associates Investment Management Llc
Latest Disclosed Ownership1,036 shares
Latest Disclosed Value $ 1,031
Hunter Associates Investment Management Llc reports 1.87% increase in ownership of COST / Costco Wholesale Corporation

On April 27, 2026 - Hunter Associates Investment Management Llc filed a 13F-HR form disclosing ownership of 1,036 shares of Costco Wholesale Corporation (MX:COST) valued at $1,031 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 21, 2026 disclosing 1,017 shares of Costco Wholesale Corporation.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-04-27 2026-03-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,036 19 1.87 1 0.1364
2026-01-21 2025-12-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,017 10 0.99 1 0.1172
2025-10-30 2025-09-30 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,007 1 0.10 1 0.1293
2025-08-05 2025-06-30 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,006 0 0.00 1 0.1473
2025-04-30 2025-03-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,006 -15 -1.47 1 0.1466
2025-01-23 2024-12-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,021 -3 -0.29 1 0.1425
2024-10-24 2024-09-30 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,024 1 0.10 1 0.1406
2024-08-01 2024-06-30 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,023 3 0.29 1 0.1464
2024-05-01 2024-03-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,020 4 0.39 1 0.1256
2024-01-31 2023-12-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,016 65 6.83 1 0.1221
2023-11-09 2023-09-30 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 951 9 0.96 1 0.1089
2023-08-03 2023-06-30 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 942 6 0.64 1 0.0989
2023-05-02 2023-03-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 936 0 0.00 0 0.0995
2023-02-01 2022-12-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 936 0 0.00 0 -100.00 0.1024
2022-11-02 2022-09-30 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 936 0 0.00 442 -1.12 0.1144
2022-08-10 2022-06-30 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 936 -187 -16.65 447 -30.91 0.1103
2022-04-26 2022-03-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,123 0 0.00 647 1.41 0.2083
2022-01-27 2021-12-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,123 -377 -25.13 638 -5.34 0.1825
2021-11-12 2021-09-30 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,500 0 0.00 674 13.47 0.2166
2021-08-05 2021-06-30 13F/A-1 COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,500 191 14.59 594 28.85 0.1849
2021-08-05 2021-06-30 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,309 0 461 0.1066
2021-05-10 2021-03-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,309 200 18.03 461 10.29 0.1066
2021-01-29 2020-12-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 1,109 134 13.74 418 20.81 0.1028
2020-11-10 2020-09-30 13F Costco Wholesale Corp New Com COM 22160K105 975 0 0.00 346 16.89 0.0962
2020-08-13 2020-06-30 13F Costco Wholesale Corp New Com COM 22160K105 975 0 0.00 296 6.47 0.0880
2020-05-11 2020-03-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 975 0 0.00 278 -3.14 0.1077
2020-02-07 2019-12-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 975 0 0.00 287 2.14 0.0891
2019-11-08 2019-09-30 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 975 0 0.00 281 8.91 0.0966
2019-08-08 2019-06-30 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 975 0 0.00 258 9.32 0.0888
2019-05-10 2019-03-31 13F COSTCO WHOLESALE CORP NEW COM COM 22160K105 975 975 236 0.0826
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.