Costco vs Walmart: Market Cap, Revenue and Profit Compared
Warehouse club vs supercenter. Size and profitability side by side, using the exact figures from SEC filings.
Data updated: Nov 6, 2026 · Based on each company's latest annual report, so fiscal year ends may differ.
Quick answers
Which has the larger market cap?
Walmart is worth about $1.020 trillion, 2.2 times Costco (about $472.3 billion). Based on the Nov 5, 2026 close.
Which has more revenue?
Walmart brought in $706.413B in its latest fiscal year (FY2026), against $303.154B for Costco (FY2026).
Which is more profitable?
Walmart has the higher net margin at 3.1%, against 3.0% for Costco. Out of every $100 of revenue, Walmart keeps more as net income.
Which is growing faster?
Costco had the faster revenue growth in its latest fiscal year: +10.1%, against +4.7% for Walmart.
Costco
COST · FY2026 annual report
Revenue $303.154B
Net income $9.226B
- Cost of revenue87.2%
- SG&A and other9.0%
- Taxes, interest & other0.8%
- Net income3.0%
Walmart
WMT · FY2026 annual report
Revenue $706.413B
Net income $21.893B
- Cost of revenue75.8%
- SG&A and other20.0%
- Taxes, interest & other1.1%
- Net income3.1%
Size
| Item | Costco | Walmart |
|---|---|---|
| Market cap | $472.3B#19 of 289 | $1.020T#11 of 289 |
| Revenue | $303.154B#12 of 299 | $706.413B#2 of 299 |
| Operating income | $11.685B#28 of 231 | $29.825B#8 of 231 |
| Net income | $9.226B#44 of 298 | $21.893B#16 of 298 |
| Free cash flow | $9.382B#42 of 261 | $14.923B#25 of 261 |
| Total assets | $89.045B#89 of 299 | $284.668B#30 of 299 |
| Dividends paid | $2.458B#66 of 214 | $7.507B#19 of 214 |
| Dividend per share | $5.54#38 of 205 | $0.94#176 of 205 |
| Dividend yield | 0.5%#180 of 203 | 0.7%#158 of 203 |