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)
927 filings
822 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% |
| 2026-05-11 | 1,758,653 | 2,103,156 | 3,861,809 | 45.9% |
| 2026-05-04 | 1,495,494 | 2,842,145 | 4,337,639 | 50.5% |
| 2026-04-27 | 1,470,165 | 2,483,671 | 3,953,836 | 56.8% |
| 2026-04-20 | 1,537,083 | 1,580,627 | 3,117,710 | 48.0% |
| 2026-04-13 | 2,041,149 | 2,720,469 | 4,761,618 | 52.9% |
| 2026-04-06 | 1,815,565 | 1,994,399 | 3,809,964 | 50.8% |
| 2026-03-30 | 1,408,830 | 1,828,463 | 3,237,293 | 39.6% |
| 2026-03-23 | 1,259,004 | 1,712,350 | 2,971,354 | 41.6% |
| 2026-03-16 | 1,223,932 | 1,739,969 | 2,963,901 | 37.8% |
Showing 1–10 of 10 weeks