Costco Wholesale (COST) Shares Outstanding (2009 - 2026)

Costco Wholesale (COST) has 18 years of Shares Outstanding (Entity) data on file, last reported at $443.7 million in Q1 2026.

• Quarterly Shares Outstanding (Entity) changed 0.01% year-over-year to $443.7 million in Q1 2026, while the trailing twelve-month figure through Feb 2026 was $443.7 million (changed 0.01% YoY) and the FY2025 annual result came in at $443.2 million, changed 0.03% from the prior year.
• Shares Outstanding (Entity) steadied at $443.7 million in Q1 2026, from $443.9 million in the prior quarter.
• In the past five years, Shares Outstanding (Entity) ranged from a high of $443.9 million in Q4 2024 to a low of $442.7 million in Q3 2022.
• A 5-year average of $443.4 million and a median of $443.5 million in 2025 frame the typical range for Shares Outstanding (Entity).
• Annual changes were most pronounced in 2022 — Shares Outstanding (Entity) grew 0.2% — and 2023, when it fell 0.01%.
• Tracing COST's Shares Outstanding (Entity) over 5 years: stood at $443.8 million in 2022, then retreated by 0.01% to $443.8 million in 2023, then rose by 0.03% to $443.9 million in 2024, then fell by 0.01% to $443.9 million in 2025, then retreated by 0.05% to $443.7 million in 2026.
• The last three Shares Outstanding (Entity) figures came in at $443.7 million (Q1 2026), $443.9 million (Q4 2025), and $443.2 million (Q3 2025), per Business Quant data.