Finance.Foundation
Comparison · seed-0.6 · 2026-08-29

Costco (COST) vs Walmart (WMT)

Costco (COST) and Walmart (WMT) side by side: both in Consumer Staples, listed on Nasdaq Stock Market and New York Stock Exchange. Walmart is the larger of the two by approximate market capitalization (about 1.9×).

FieldCostcoWalmart
Legal nameCostco Wholesale CorporationWalmart Inc.
TickerCOSTWMT
ExchangeNasdaq Stock Market XNASNew York Stock Exchange XNYS
JurisdictionUnited StatesUnited States
SectorConsumer StaplesConsumer Staples
IndustryWarehouse club retailDiscount & grocery retail
Market cap ≈$420bn$800bn
Founded19831962
Reporting currencyUSDUSD
LEI29DX7H14B9S6O3FD6V18Y87794H0US1R65VBXU25
ISINUS22160K1051US9311421039
FIGIBBG001S9KRQ7BBG001S5XH92
Index membershipS&P 500, Nasdaq-100S&P 500
Held by (covered funds)1

Costco

Membership warehouse-club retailer with around 900 locations worldwide; most of its profit comes from annual membership fees rather than merchandise margin.

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Walmart

The world's largest company by revenue (over $650bn annually) and the biggest US grocer, running about 10,500 stores plus a fast-growing e-commerce and advertising business.

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What they share

Same indices: S&P 500

Approximate reference values (seed-0.6 · 2026-08-29) — not real-time, not investment advice. Both sides as data: /api/v1/companies/costco · /api/v1/companies/walmart