Costco Wholesale Net Profit Margin Growth & History (COST)

Costco Wholesale's net profit margin was 2.94% for fiscal 2025.

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Costco Wholesale annual net profit margin history

Costco Wholesale annual net profit margin

Fiscal yearPeriod endedNet profit marginChange (percentage points)
20252025-08-312.94%+0.05 pp
20242024-09-012.90%+0.30 pp
20232023-09-032.60%+0.02 pp
20222022-08-282.57%+0.02 pp
20212021-08-292.56%+0.16 pp
20202020-08-302.40%+0.00 pp
20192019-09-012.40%+0.18 pp
20182018-09-022.21%+0.14 pp
20172017-09-032.08%+0.10 pp
20162016-08-281.98%−0.07 pp
20152015-08-302.05%+0.22 pp
20142014-08-311.83%−0.11 pp
20132013-09-011.94%+0.22 pp
20122012-09-021.72%+0.08 pp
20112011-08-281.64%−0.03 pp
20102010-08-291.67%+0.15 pp
20092009-08-301.52%−0.25 pp
20082008-08-311.77%

Costco Wholesale net profit margin trends

Over the last five fiscal years, Costco Wholesale's net profit margin increased from 2.40% to 2.94%, a change of +0.54 percentage points. The latest reported quarter, Q3 2026, shows 3.11%.

About the metric

What net profit margin means

Net profit margin measures the percentage of revenue remaining as net income after operating costs, interest, taxes, and other expenses. It shows how much bottom-line profit or loss a company generates from each dollar of revenue.

Calculation and source

How net profit margin is calculated

TickerStat calculates net profit margin as SEC-reported net income divided by SEC-reported revenue for the same fiscal period. Changes are shown in percentage points. Fiscal periods can differ from calendar years, so exact period-end dates are included.

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