Costco Wholesale Corporation
MX ˙ BMV ˙ US22160K1051
SecurityMX:COST / Costco Wholesale Corporation
InstitutionElite Wealth Management, Inc.
Latest Disclosed Ownership756 shares
Latest Disclosed Value $ 753,301
Elite Wealth Management, Inc. ownership in COST / Costco Wholesale Corporation

On May 15, 2026 - Elite Wealth Management, Inc. filed a 13F-HR form disclosing ownership of 756 shares of Costco Wholesale Corporation (MX:COST) valued at $753,301 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 2, 2026 disclosing 1,162 shares of Costco Wholesale Corporation. This represents a change in shares of -34.94% during the quarter.

Elite Wealth Management, Inc. has a history of taking positions in derivatives of the underlying security (COST) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:COST / Costco Wholesale Corporation Historical Put/Call Ratio
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)
2026-05-15 2026-03-31 13F COSTCO WHOLESALE COM 22160K105 756 -406 -34.94 753 -24.78 0.2445
2026-02-02 2025-12-31 13F COSTCO WHSL CORP COM 22160K105 1,162 -5,833 -83.39 1,002 -84.54 0.2727
2025-10-27 2025-09-30 13F COSTCO WHSL CORP COM 22160K105 6,995 4,026 135.60 6,475 120.31 1.6757
2025-07-24 2025-06-30 13F COSTCO WHSL CORP COM 22160K105 2,969 -2,321 -43.88 2,939 -41.26 0.9667
2025-05-02 2025-03-31 13F COSTCO WHSL CORP COM 22160K105 5,290 -953 -15.27 5,004 -12.53 0.6510
2025-02-03 2024-12-31 13F COSTCO WHSL CORP COM 22160K105 6,243 -379 -5.72 5,720 -2.56 0.7066
2024-11-14 2024-09-30 13F COSTCO WHSL CORP COM 22160K105 6,622 -355 -5.09 5,870 -1.01 0.8021
2024-08-12 2024-06-30 13F COSTCO WHSL CORP COM 22160K105 6,977 4 0.06 5,930 16.09 0.1984
2024-04-24 2024-03-31 13F COSTCO WHSL CORP COM 22160K105 6,973 120 1.75 5,109 12.93 0.1810
2024-01-30 2023-12-31 13F COSTCO WHSL CORP COM 22160K105 6,853 -537 -7.27 4,524 8.34 0.2793
2023-11-01 2023-09-30 13F COSTCO WHSL CORP COM 22160K105 7,390 969 15.09 4,175 20.77 0.3061
2023-07-28 2023-06-30 13F COSTCO WHSL CORP COM 22160K105 6,421 4,926 329.50 3,457 365.90 0.2658
2023-05-04 2023-03-31 13F COSTCO WHSL CORP COM 22160K105 1,495 12 0.81 743 9.76 0.0453
2023-02-09 2022-12-31 13F COSTCO WHSL CORP COM 22160K105 1,483 121 8.88 677 5.13 0.0614
2022-10-28 2022-09-30 13F COSTCO WHSL CORP COM 22160K105 1,362 10 0.74 643 -0.77 0.0552
2022-07-27 2022-06-30 13F COSTCO WHSL CORP COM 22160K105 1,352 85 6.71 648 -11.23 0.0977
2022-04-21 2022-03-31 13F COSTCO WHSL CORP COM 22160K105 1,267 601 90.24 730 93.12 0.1188
2022-01-19 2021-12-31 13F COSTCO WHSL CORP COM 22160K105 666 17 2.62 378 29.45 0.0534
2021-10-15 2021-09-30 13F COSTCO WHSL CORP COM 22160K105 649 51 8.53 292 23.21 0.0553
2021-08-06 2021-06-30 13F COSTCO WHSL CORP COM 22160K105 598 1 0.17 237 12.86 0.0216
2021-05-04 2021-03-31 13F COSTCO WHSL CORP COM 22160K105 597 2 0.34 210 -6.25 0.0269
2021-02-16 2020-12-31 13F COSTCO WHSL CORP COM 22160K105 595 -20 -3.25 224 2.75 0.0289
2020-11-10 2020-09-30 13F COSTCO WHSL CORP COM 22160K105 615 615 218 0.0301
2018-01-30 2017-12-31 13F COSTCO WHOLESALE EQUITY 22160K105 0 -7,103 -100.00 0 -100.00
2016-11-23 2016-09-30 13F COSTCO WHOLESALE EQUITY 22160K105 7,103 -1,466 -17.11 1,083 -19.48 1.7677
2016-10-13 2016-06-30 13F COSTCO WHOLESALE EQUITY 22160K105 8,569 -1,435 -14.34 1,345 -14.66 2.2136
2016-10-13 2016-03-31 13F COSTCO WHOLESALE EQUITY 22160K105 10,004 327 3.38 1,576 0.90 2.2227
2016-10-13 2015-12-31 13F COSTCO WHOLESALE EQUITY 22160K105 9,677 3,094 47.00 1,562 64.25 2.3211
2016-10-13 2015-09-30 13F COSTCO WHOLESALE EQUITY 22160K105 6,583 -2,620 -28.47 951 -23.43 1.4958
2016-10-13 2015-06-30 13F COSTCO WHOLESALE EQUITY 22160K105 9,203 -743 -7.47 1,242 -17.53 1.2866
2016-10-13 2015-03-31 13F COSTCO WHOLESALE EQUITY 22160K105 9,946 2,896 41.08 1,506 50.75 1.3328
2016-10-13 2014-12-31 13F COSTCO WHOLESALE EQUITY 22160K105 7,050 1,020 16.92 999 32.14 0.9516
2016-11-23 2014-09-30 13F COSTCO WHOLESALE EQUITY 22160K105 6,030 -2,748 -31.31 756 -25.22 0.6817
2016-11-23 2014-06-30 13F/A-1 COSTCO WHOLESALE EQUITY 22160K105 8,778 -2,952 -25.17 1,011 -22.82 1.0077
2016-11-23 2014-06-30 13F COSTCO WHOLESALE EQUITY 22160K105 6,030 756
2016-11-23 2014-03-31 13F/A-1 COSTCO WHOLESALE EQUITY 22160K105 11,730 -3,931 -25.10 1,310 -29.72 1.0607
2016-11-22 2014-03-31 13F COSTCO WHOLESALE EQUITY 22160K105 8,778 1,011
2016-11-23 2013-12-31 13F/A-1 COSTCO WHOLESALE EQUITY 22160K105 15,661 13,905 791.86 1,864 822.77 1.3634
2016-11-22 2013-12-31 13F COSTCO WHOLESALE EQUITY 22160K105 11,730 1,310
2016-11-23 2013-09-30 13F/A-1 COSTCO WHOLESALE EQUITY 22160K105 1,756 -378 -17.71 202 -14.41 0.1780
2016-11-22 2013-09-30 13F COSTCO WHOLESALE EQUITY 22160K105 15,661 1,864
2016-11-23 2013-06-30 13F/A-1 COSTCO WHOLESALE EQUITY 22160K105 2,134 1,883 750.20 236 774.07 0.3470
2016-11-22 2013-06-30 13F COSTCO WHOLESALE EQUITY 22160K105 1,756 202
2016-11-23 2013-03-31 13F/A-1 COSTCO WHOLESALE EQUITY 22160K105 251 200 392.16 27 440.00 0.0336
2016-11-22 2013-03-31 13F COSTCO WHOLESALE EQUITY 22160K105 2,134 236
2016-11-23 2012-12-31 13F/A-1 COSTCO WHOLESALE EQUITY 22160K105 51 0 0.00 5 0.00 0.0074
2016-11-21 2012-12-31 13F COSTCO WHOLESALE EQUITY 22160K105 251 27
2016-11-21 2012-09-30 13F COSTCO WHOLESALE EQUITY 22160K105 51 51 5 0.0074
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2016-10-13 2014-12-31 13F COSTCO WHOLESALE OPTION Call 0 -100.00 0 -100.00 n/a n/a n/a
2016-11-23 2014-09-30 13F COSTCO WHOLESALE OPTION Call 8 0.00 1 0.00 n/a n/a n/a
2016-11-23 2014-06-30 13F COSTCO WHOLESALE OPTION Call 8 1 n/a n/a n/a
2016-11-22 2014-03-31 13F COSTCO WHOLESALE OPTION Call 0 -100.00 0 -100.00 n/a n/a n/a
2016-11-23 2013-12-31 13F/A COSTCO WHOLESALE OPTION Call 93 0.00 10 0.00 n/a n/a n/a
2016-11-22 2013-09-30 13F COSTCO WHOLESALE OPTION Call 93 10 n/a n/a n/a
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.