Costco Wholesale (COST) Inventory Average (2009 - 2026)

Costco Wholesale has reported Inventory Average for 18 years, with the latest figure at $20.1 billion in Q1 2026.

• For the quarter ending Q1 2026, Inventory Average rose 1.0% year-over-year to $20.1 billion; the trailing twelve-month figure through Feb 2026 stood at $20.1 billion (up 1.0% YoY), and the FY2025 full-year result was $18.4 billion, up 4.15% from the prior year.
• Inventory Average for Q1 2026 stood at $20.1 billion, up from $19.6 billion in the prior quarter.
• The five-year high for Inventory Average was $20.1 billion in Q1 2026, with the low at $16.2 billion in Q2 2023.
• Historically, Inventory Average has averaged $18.0 billion across 5 years, with a median of $17.8 billion in 2022.
• Annual changes were most pronounced in 2022 — Inventory Average rose 26.04% — and 2023, when it declined 7.19%.
• Costco Wholesale's Inventory Average stood at $18.2 billion in 2022, then slipped by 5.01% to $17.3 billion in 2023, then increased by 14.35% to $19.8 billion in 2024, then dropped by 0.93% to $19.6 billion in 2025, then gained by 2.23% to $20.1 billion in 2026.
• The last three Inventory Average figures came in at $20.1 billion (Q1 2026), $19.6 billion (Q4 2025), and $18.4 billion (Q3 2025), per Business Quant data.