Costco Wholesale Corporation
MX ˙ BMV ˙ US22160K1051
SecurityMX:COST / Costco Wholesale Corporation
InstitutionWealthbridge Capital Management, Llc
Latest Disclosed Ownership720 shares
Latest Disclosed Value $ 717,617
Wealthbridge Capital Management, Llc reports 2.56% increase in ownership of COST / Costco Wholesale Corporation

On April 17, 2026 - Wealthbridge Capital Management, Llc filed a 13F-HR form disclosing ownership of 720 shares of Costco Wholesale Corporation (MX:COST) valued at $717,617 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 21, 2026 disclosing 702 shares of Costco Wholesale Corporation. This represents a change in shares of 2.56% 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)
2026-04-17 2026-03-31 13F COSTCO WHOLESALE COM 22160K105 720 18 2.56 718 18.51 0.1653
2026-01-21 2025-12-31 13F COSTCO WHSL CORP COM 22160K105 702 -81 -10.34 605 -16.44 0.1379
2025-11-07 2025-09-30 13F COSTCO WHSL CORP COM 22160K105 783 -30 -3.69 724 -10.06 0.1700
2025-08-12 2025-06-30 13F COSTCO WHSL CORP COM 22160K105 813 -4 -0.49 805 4.27 0.2042
2025-04-25 2025-03-31 13F COSTCO WHSL CORP COM 22160K105 817 32 4.08 773 7.37 0.2184
2025-02-03 2024-12-31 13F COSTCO WHSL CORP COM 22160K105 785 41 5.51 719 9.10 0.1998
2024-10-07 2024-09-30 13F COSTCO WHSL CORP COM 22160K105 744 -60 -7.46 660 -3.51 0.1884
2024-08-02 2024-06-30 13F COSTCO WHSL CORP COM 22160K105 804 -43 -5.08 683 10.16 0.2248
2024-04-30 2024-03-31 13F COSTCO WHSL CORP COM 22160K105 847 -76 -8.23 620 1.81 0.2089
2024-02-12 2023-12-31 13F COSTCO WHSL CORP COM 22160K105 923 -10 -1.07 609 15.78 0.2282
2023-11-08 2023-09-30 13F COSTCO WHSL CORP COM 22160K105 933 10 1.08 527 5.84 0.2175
2023-08-01 2023-06-30 13F COSTCO WHSL CORP COM 22160K105 923 -58 -5.91 497 2.05 0.1987
2023-05-11 2023-03-31 13F COSTCO WHSL CORP COM 22160K105 981 15 1.55 488 10.43 0.1942
2023-01-31 2022-12-31 13F COSTCO WHSL CORP EQUITY 22160K105 966 53 5.81 441 0.68 0.1843
2022-11-14 2022-09-30 13F COSTCO WHSL CORP COM 22160K105 913 0 0.00 438 0.00 0.1868
2022-08-12 2022-06-30 13F COSTCO WHSL CORP COM 22160K105 913 -109 -10.67 438 -25.51 0.1868
2022-04-15 2022-03-31 13F COSTCO WHSL CORP NEW COM Stock 22160K105 1,022 29 2.92 588 4.26 0.2198
2022-02-11 2021-12-31 13F COSTCO WHSL CORP NEW COM Stock 22160K105 993 -78 -7.28 564 17.26 0.2105
2021-11-12 2021-09-30 13F COSTCO WHSL CORP NEW COM Stock 22160K105 1,071 41 3.98 481 17.89 0.1796
2021-08-16 2021-06-30 13F COSTCO WHSL CORP NEW COM Stock 22160K105 1,030 0 0.00 408 12.40 0.1484
2021-05-17 2021-03-31 13F COSTCO WHSL CORP NEW COM Stock 22160K105 1,030 2 0.19 363 -6.20 0.1479
2021-02-12 2020-12-31 13F COSTCO WHSL CORP NEW COM Stock 22160K105 1,028 -29 -2.74 387 3.20 0.1694
2020-11-13 2020-09-30 13F COSTCO WHSL CORP NEW COM Stock 22160K105 1,057 -2 -0.19 375 16.82 0.1924
2020-08-14 2020-06-30 13F/A-1 COSTCO WHSL CORP NEW COM Stock 22160K105 1,059 -14 -1.30 321 4.90 0.1819
2020-08-14 2020-06-30 13F COSTCO WHSL CORP NEW COM Stock 22160K105 1,073 0 306 213,249.3345
2020-05-15 2020-03-31 13F COSTCO WHSL CORP NEW COM Stock 22160K105 1,073 327 43.83 306 39.73 0.2125
2020-02-12 2019-12-31 13F COSTCO WHSL CORP NEW COM Stock 22160K105 746 27 3.76 219 5.80 0.1418
2019-11-14 2019-09-30 13F COSTCO WHSL CORP NEW COM Stock 22160K105 719 719 207 0.1490
2019-08-13 2019-06-30 13F COSTCO WHSL CORP NEW COM Stock 22160K105 0 -710 -100.00 0 -100.00
2019-05-15 2019-03-31 13F COSTCO WHSL CORP NEW COM Stock 22160K105 710 37 5.50 173 26.28 0.1100
2019-02-14 2018-12-31 13F COSTCO WHSL CORP NEW COM Stock 22160K105 673 673 137 0.1042
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.