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MX ˙ BMV ˙ US22160K1051
SecurityMX:COST / Costco Wholesale Corporation
InstitutionBCJ Capital Management, LLC
Latest Disclosed Ownership2,350 shares
Latest Disclosed Value $ 2,341,959
BCJ Capital Management, LLC reports 4.74% decrease in ownership of COST / Costco Wholesale Corporation

On May 13, 2026 - BCJ Capital Management, LLC filed a 13F-HR form disclosing ownership of 2,350 shares of Costco Wholesale Corporation (MX:COST) valued at $2,341,959 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 4, 2026 disclosing 2,467 shares of Costco Wholesale Corporation. This represents a change in shares of -4.74% during the quarter.

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)
2026-05-13 2026-03-31 13F COSTCO WHOLESALE COM 22160K105 2,350 -117 -4.74 2,342 10.06 0.1243
2026-02-04 2025-12-31 13F COSTCO WHSL CORP COM 22160K105 2,467 -59 -2.34 2,128 -9.02 0.1232
2025-10-31 2025-09-30 13F COSTCO WHSL CORP COM 22160K105 2,526 -93 -3.55 2,338 -9.80 0.1391
2025-08-13 2025-06-30 13F COSTCO WHSL CORP COM 22160K105 2,619 197 8.13 2,593 13.19 0.1737
2025-04-30 2025-03-31 13F COSTCO WHSL CORP COM 22160K105 2,422 -588 -19.53 2,291 -16.94 0.1657
2025-02-13 2024-12-31 13F COSTCO WHSL CORP COM 22160K105 3,010 -3,493 -53.71 2,758 -52.17 0.2060
2024-11-14 2024-09-30 13F COSTCO WHSL CORP COM 22160K105 6,503 -506 -7.22 5,765 -3.24 0.4313
2024-08-12 2024-06-30 13F COSTCO WHSL CORP COM 22160K105 7,009 432 6.57 5,957 23.64 0.4733
2024-05-14 2024-03-31 13F COSTCO WHSL CORP COM 22160K105 6,577 4,473 212.60 4,818 247.12 0.3815
2024-02-08 2023-12-31 13F COSTCO WHSL CORP COM 22160K105 2,104 17 0.81 1,389 17.73 0.1206
2023-11-14 2023-09-30 13F COSTCO WHSL CORP COM 22160K105 2,087 7 0.34 1,179 5.36 0.1078
2023-08-14 2023-06-30 13F COSTCO WHSL CORP COM 22160K105 2,080 -189 -8.33 1,120 -0.71 0.0987
2023-05-12 2023-03-31 13F COSTCO WHSL CORP COM 22160K105 2,269 -810 -26.31 1,127 -19.79 0.1052
2023-02-13 2022-12-31 13F COSTCO WHSL CORP COM 22160K105 3,079 -57 -1.82 1,406 -5.13 0.1403
2022-11-14 2022-09-30 13F COSTCO WHSL CORP COM 22160K105 3,136 -29 -0.92 1,481 -2.37 0.1557
2022-08-10 2022-06-30 13F COSTCO WHSL CORP COM 22160K105 3,165 -5 -0.16 1,517 -16.88 0.1548
2022-05-10 2022-03-31 13F COSTCO WHSL CORP COM 22160K105 3,170 1,023 47.65 1,825 49.71 0.1587
2022-01-19 2021-12-31 13F COSTCO WHSL CORP COM 22160K105 2,147 28 1.32 1,219 28.05 0.1136
2021-11-12 2021-09-30 13F COSTCO WHSL CORP COM 22160K105 2,119 -90 -4.07 952 8.92 0.0989
2021-08-06 2021-06-30 13F COSTCO WHSL CORP COM 22160K105 2,209 -790 -26.34 874 -17.31 0.0940
2021-05-17 2021-03-31 13F COSTCO WHOLESALE CORP COM COM 22160K105 2,999 770 34.54 1,057 25.83 0.1253
2021-02-16 2020-12-31 13F COSTCO WHOLESALE CORP COM COM 22160K105 2,229 20 0.91 840 7.14 0.1087
2020-11-17 2020-09-30 13F COSTCO WHOLESALE CORP COM COM 22160K105 2,209 173 8.50 784 27.07 0.1196
2020-08-13 2020-06-30 13F COSTCO WHOLESALE CORP COM COM 22160K105 2,036 370 22.21 617 29.89 0.0984
2020-05-15 2020-03-31 13F COSTCO WHOLESALE CORP COM COM 22160K105 1,666 0 0.00 475 -3.06 0.1164
2020-02-19 2019-12-31 13F COSTCO WHOLESALE CORP COM COM 22160K105 1,666 -41 -2.40 490 -0.41 0.0833
2019-11-08 2019-09-30 13F COSTCO WHOLESALE CORP COM COM 22160K105 1,707 16 0.95 492 10.07 0.0695
2019-08-14 2019-06-30 13F COSTCO WHOLESALE COM 22160K105 1,691 -25 -1.46 447 7.45 0.0770
2019-05-14 2019-03-31 13F COSTCO WHOLESALE CORP COM COM 22160K105 1,716 -7 -0.41 416 18.52 0.0751
2019-03-14 2018-12-31 13F COSTCO WHOLESALE CORP COM COM 22160K105 1,723 1,723 351 0.0676
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.