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Walmart vs Costco Wholesale: WMT and COST compared
Walmart is the larger company: $187.9B of revenue in its latest quarter (Q2 FY27) against $95.7B for Costco Wholesale (Q4 FY26). Costco Wholesale is growing faster (+11% against +6% a year earlier). Walmart is more profitable, with an operating margin of 5.0% against 4.0%.
Where the money goes: WMT and COST
Walmart (WMT) · Q2 FY27
Walmart, Q2 FY27: revenue $187.9B (+6% year over year), operating margin 5.0%, net earnings $6.5B, operating cash flow $15.0B. The chart follows the revenue to costs, profit and cash.
Costco Wholesale (COST) · Q4 FY26
Costco Wholesale, Q4 FY26: revenue $95.7B (+11% year over year), operating margin 4.0%, net earnings $3.0B. The chart follows the revenue to costs, profit and cash.
| Walmart (WMT) | Costco Wholesale (COST) | |
|---|---|---|
| Latest quarter | Q2 FY27 | Q4 FY26 |
| Revenue | $187.9B | $95.7B |
| Revenue growth, Y/Y | +6% | +11% |
| Operating margin | 5.0% | 4.0% |
| Net earnings | $6.5B | $3.0B |
| Net margin | 3.5% | 3.1% |
| Operating cash flow | $15.0B | — |
| Free cash flow | $7.5B | — |
| Market value | $1.00T | $468.2B |
| P/E | 44.5× | 50.8× |
| Analysts’ mean target | $127.47 | $1071.32 |
Questions
Which is bigger, Walmart or Costco Wholesale?
Walmart is the larger company: $187.9B of revenue in its latest quarter (Q2 FY27) against $95.7B for Costco Wholesale (Q4 FY26).
Is Walmart or Costco Wholesale growing faster?
Costco Wholesale is growing faster (+11% against +6% a year earlier).
Which is more profitable, Walmart or Costco Wholesale?
Walmart is more profitable, with an operating margin of 5.0% against 4.0%.
More: Walmart earnings · how Walmart makes money · Costco Wholesale earnings · how Costco Wholesale makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Aug 28, 2026; 10-K filed Oct 7, 2026). Fiscal quarters can end on different dates. Not investment advice.