Costco Wholesale Corp (COST) operating KPIs
COSTNasdaqRetail-Variety StoresFiscal year ends August 30
Financials through Q4 FY2026, quarter ended Aug 30, 2026Last filing: 10-K on Oct 7, 2026Score 17/3057% above fair value
$1012.28+16.20 (+1.63%)
Close on Oct 30, 2026Market cap $448.93BP/E 48.8Yield 0.55%
Costco Wholesale gross margin as a percentage of net sales (Reported) (%)
Form 8-K EX-99.2 Supplemental Presentations & Form 10-K Item 7 MD&A
Latest, FY2026
11.1%
Period ended Aug 30, 2026
Change on a year earlier
-0.0 pts
11.1% in FY2025
History
11 years
Since FY2016
Sources
9
Documents cited below
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Gross margin as a percentage of net sales (Reported) (%) | Year on year | Source |
|---|---|---|---|---|
| FY2026 | Aug 30, 2026 | 11.1% | -0.0 pts | 0000909832-26-000093|cost-20260830.htm ↗ |
| FY2025 | Aug 31, 2025 | 11.1% | +0.2 pts | 0000909832-26-000093|cost-20260830.htm ↗ |
| FY2024 | Sep 1, 2024 | 10.9% | +0.3 pts | 0000909832-26-000093|cost-20260830.htm ↗ |
| FY2023 | Sep 3, 2023 | 10.6% | +0.1 pts | 0000909832-25-000101|cost-20250831.htm ↗ |
| FY2022 | Aug 28, 2022 | 10.5% | -0.7 pts | 0000909832-24-000049|cost-20240901.htm ↗ |
| FY2021 | Aug 29, 2021 | 11.1% | -0.1 pts | 0000909832-23-000042|cost-20230903.htm ↗ |
| FY2020 | Aug 30, 2020 | 11.2% | +0.2 pts | 0000909832-22-000021|cost-20220828.htm ↗ |
| FY2019 | Sep 1, 2019 | 11.0% | -0.0 pts | 0000909832-21-000014|cost-20210829.htm ↗ |
| FY2018 | Sep 2, 2018 | 11.0% | -0.3 pts | 0000909832-20-000017|cost-20200830.htm ↗ |
| FY2017 | Sep 3, 2017 | 11.3% | -0.0 pts | 0000909832-19-000019|cost10k9119.htm ↗ |
| FY2016 | Aug 28, 2016 | 11.4% | – | 0000909832-18-000013|cost10k9218.htm ↗ |
Breakdown
What makes up gross margin as a percentage of net sales (reported)
- Gross margin rate change y/y — Total (Reported, bps)–
- Gross margin rate change y/y — Total (Ex-Gas, bps)–
- Core merchandise margin on core sales change y/y (Core-on-Core, bps)–
- Gross margin bridge: Core merchandise (Reported, bps)–
- Gross margin bridge: Core merchandise (Ex-Gas, bps)–
- Gross margin bridge: Ancillary & Other Businesses (Reported, bps)–
- Gross margin bridge: Ancillary & Other Businesses (Ex-Gas, bps)–
- Gross margin bridge: LIFO impact (Reported, bps)–
- Gross margin bridge: LIFO impact (Ex-Gas, bps)–
- LIFO inventory reserve period charge / (credit)206 · FY2026
Cite this data
StockData. (2026). Costco Wholesale Gross margin as a percentage of net sales (Reported) (%), annual FY2016–FY2026 [Data set]. Compiled from Costco Wholesale SEC filings and investor materials. https://stockdatahq.com/stocks/cost/kpis/gm-rate-pct
See every metric in the Costco Wholesale KPI table. Data updated Oct 24, 2026.