SuperworthCostco Wholesale shares outstanding COST
Diluted shares outstanding, averaged over each quarter, from 2008.
- Latest quarter, to Aug 30, 2026
- 444.4M
- On a year earlier
- −0.1%
- fewer shares
Costco Wholesale had 444.4M diluted shares outstanding on average in Q4 FY26, the quarter to Aug 30, 2026.
That is about the same as a year earlier.
Shares outstanding over time
Fiscal year by fiscal year
| Fiscal year | Shares, fourth quarter | Change |
|---|---|---|
| FY2026 | 444.4M | −0% |
| FY2025 | 444.7M | −0% |
| FY2024 | 445M | +0% |
| FY2023 | 444.4M | −0% |
| FY2022 | 444.7M | +0% |
| FY2021 | 444.4M | +0% |
| FY2020 | 444.2M | +0% |
| FY2019 | 443.4M | +0% |
| FY2018 | 442.4M | +0% |
| FY2017 | 441M | +0% |
| FY2016 | 440.9M | −0% |
| FY2015 | 442.4M | +0% |
| FY2014 | 441.9M | −0% |
| FY2013 | 441.9M | +1% |
| FY2012 | 438.3M | −1% |
Each fiscal year is the twelve months to its fourth quarter, shown as the fourth quarter's average share count.
Quarter by quarter
| Quarter | Ended | Shares outstanding | On a year earlier |
|---|---|---|---|
| Q4 FY26 | 444.4M | −0% | |
| Q3 FY26 | 444.4M | −0% | |
| Q2 FY26 | 444.4M | −0% | |
| Q1 FY26 | 444.5M | −0% | |
| Q4 FY25 | 444.7M | −0% | |
| Q3 FY25 | 444.8M | −0% | |
| Q2 FY25 | 444.9M | +0% | |
| Q1 FY25 | 444.9M | +0% | |
| Q4 FY24 | 445M | +0% | |
| Q3 FY24 | 444.8M | +0% | |
| Q2 FY24 | 444.8M | +0% | |
| Q1 FY24 | 444.4M | −0% |
What the shares outstanding tells you
Diluted shares outstanding, averaged over the period. Fewer shares means each one owns more of the company.
A falling count usually means buybacks. A rising one means stock pay, acquisitions paid in shares or new shares sold.
More on Costco Wholesale
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.