COST
Costco Wholesale Corp /NewCompany with tickers: COST
CIK
909832
CUSIP
22160K105
Shares Outstanding
443,478,804
Website
https://investor.costco.com
13F Activity (30d)
1176 filings
1067 filers
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-18 | 2,556,841 | 2,470,042 | 5,026,883 | 51.8% |
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