COSTCO WHOLESALE CORP /NEW (COST) - Dilution Analysis

Visualizing historical and potential share dilution over time

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Dilution Analysis

Low Risk

Limited dilution potential

Last updated: June 03, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares

Recent Dilution: 0.02% (2 years)

Historical Dilution Factor: minimal recent dilution

Outstanding Shares

440M

Potential Supply

Additional shares possible

Splits

None

Past 2 years

Summary

COST currently has 444M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 0.02% over the past 2 years.

Share Structure Timeline

Outstanding Shares

Total Supply

Historical Data Points

Date	Event	Outstanding
Jun 03, 2026	10-Q filing \| 443.9M shares outstanding	440M
Dec 17, 2025	10-Q filing \| 444.0M shares outstanding	440M
Jun 05, 2025	10-Q filing \| 444.0M shares outstanding	440M
Mar 13, 2025	10-Q filing \| 444.0M shares outstanding	440M
Dec 19, 2024	10-Q filing \| 444.0M shares outstanding	440M
Oct 09, 2024	10-K filing \| 443.9M shares outstanding	440M
Jun 06, 2024	10-Q filing \| 443.9M shares outstanding	440M
Mar 13, 2024	10-Q filing \| 443.9M shares outstanding	440M
Dec 20, 2023	10-Q filing \| 443.8M shares outstanding	440M
Oct 11, 2023	10-K filing \| 443.9M shares outstanding	440M
Jun 01, 2023	10-Q filing \| 443.8M shares outstanding	440M
Mar 09, 2023	10-Q filing \| 443.9M shares outstanding	440M
Dec 29, 2022	10-Q filing \| 443.8M shares outstanding	440M
Oct 05, 2022	10-K filing \| 443.7M shares outstanding	440M
Jun 02, 2022	10-Q filing \| 443.7M shares outstanding	440M
Mar 10, 2022	10-Q filing \| 443.6M shares outstanding	440M
Dec 22, 2021	10-Q filing \| 443.4M shares outstanding	440M
Oct 06, 2021	10-K filing \| 443.1M shares outstanding	440M
Jun 03, 2021	10-Q filing \| 443.0M shares outstanding	440M
Mar 10, 2021	10-Q filing \| 443.1M shares outstanding	440M
Dec 16, 2020	10-Q filing \| 443.0M shares outstanding	440M
Oct 07, 2020	10-K filing \| 442.3M shares outstanding	440M
Jun 04, 2020	10-Q filing \| 442.3M shares outstanding	440M
Mar 12, 2020	10-Q filing \| 442.0M shares outstanding	440M

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