What are Costco Wholesale's profit margins?

Costco Wholesale (COST) runs a 12.9% gross margin and a 3.8% operating margin, with a 3.0% net margin.

Where do Costco Wholesale's ratios come from?

Every ratio is computed from Costco Wholesale's SEC filings — trailing-twelve-month flows over period-end balances. Valuation multiples combine those fundamentals with market data, recomputed each period. Switch between quarterly, annual, and TTM, or open any ratio for its full history and peer comparisons.

Costco Wholesale COST Ratios & Valuation

Income Statement Balance Sheet Cash Flow Ratios Segments

Quarterly Annual TTM

YoY QoQ

Simplified Detailed

	Q3 '26	Q2 '26	Q1 '26	Q4 '25	Q3 '25
Profitability
Gross margin	12.9%+0.1pp	12.9%+0.3pp	12.9%+0.2pp	12.8%+0.2pp	12.8%+0.3pp
Operating margin	3.8%+0.1pp	3.8%+0.1pp	3.8%+0.1pp	3.8%+0.1pp	3.8%+0.2pp
Net margin	3%+0.1pp	3%+0.1pp	3%0.0pp	2.9%0.0pp	2.9%+0.1pp
Returns
Return on equity	29.2%-2.9pp	29.7%-3.2pp	30.3%+0.4pp	30.7%+0.4pp	32.1%+0.4pp
Return on invested capital	50.6%+3.0pp	49.4%+3.5pp	48.5%+1.2pp	42.7%+10.9pp	47.7%+14.5pp
Efficiency
Asset turnover	3.6×-0.1×	3.6×-0.1×	3.6×+0.1×	3.7×+0.1×	3.7×0.0×
Liquidity
Current ratio	1.1×+0.1×	1.1×+0.1×	1×+0.1×	1×+0.1×	1×+0.1×
Leverage
Debt-to-equity	0.2×-0.1×	0.3×-0.1×	0.3×-0.1×	0.3×-0.1×	0.3×-0.1×
Per Share
Book value per share	$75.40+23.6%	$72.20+25.6%	$68.17+24.0%	$65.57+23.4%	$60.99+24.6%
Valuation
Market capitalization	$424.14B-6.1%	$448.66B-3.6%	$404.88B-6.0%	$418.34B+5.7%	$451.58B+25.8%
Price / earnings	48×-9.6×	52.5×-8.6×	48.8×-8.1×	51.7×-2.0×	57.6×+7.5×
Price / sales	1.4×-0.2×	1.6×-0.2×	1.4×-0.2×	1.5×0.0×	1.7×+0.3×
Price / book	12.7×-4.0×	14×-4.2×	13.4×-4.3×	14.3×-2.4×	16.6×+0.2×
Dividend yield	0.7%—	0.6%—	0.6%—	0.5%—	——

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Questions, answered.

What are Costco Wholesale's profit margins?: Costco Wholesale (COST) runs a 12.9% gross margin and a 3.8% operating margin, with a 3.0% net margin.
Where do Costco Wholesale's ratios come from?: Every ratio is computed from Costco Wholesale's SEC filings — trailing-twelve-month flows over period-end balances. Valuation multiples combine those fundamentals with market data, recomputed each period. Switch between quarterly, annual, and TTM, or open any ratio for its full history and peer comparisons.