With a market capitalization (market cap) of $438.3B — a measure of how much the company is worth — Costco Wholesale Corporation ranks #26 among the 2,502 companies tracked, and 2nd in Consumer Defensive as of October 17, 2026. Shares trade at $989.11, up 1.13% on the day.
of 2,502 tracked
Market-cap change uses historical capitalization records. Share-price returns are a different series — they can diverge when the share count changes. Those returns are not a CAGR until you pick a start value, an ending value, and years. CAGR calculator. Market cap vs. stock price.
Year-end values and the chart both come from historical market-cap records, not from applying today's share count to past prices. Latest historical observation October 16, 2026. Ranking headline cap is the snapshot figure as of October 17, 2026.
| Year | As of | Market cap | Annual change | Year-end close |
|---|---|---|---|---|
| 2026 | Oct 16, 2026 | $439.14B | +14.70% | $989.11 |
| 2025 | Dec 31, 2025 | $382.85B | -5.89% | $862.34 |
| 2024 | Dec 31, 2024 | $406.81B | +38.84% | $916.27 |
| 2023 | Dec 29, 2023 | $293B | +44.60% | $660.08 |
Ranking figure $438.3B as of October 17, 2026.
Costco Wholesale Corporation's ranking market cap is the provider-reported capitalization on the same snapshot as the rest of this site, with a share price of $989.11 as of October 16, 2026. Charts and the year-end table use a separate historical market-cap series, last observed at $439.14B on October 16, 2026. See how the ranking works.
Live shares outstanding are not on the quote used for price, so this page does not invent a current share count. Shares outstanding vs. float.
The latest annual report (FY 2026) used a weighted-average 443,953,000 shares. That figure is an average for the year, not the live count in the market-cap formula.
Book equity: assets minus liabilities on the latest annual report.
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FY 2026 net worth
Largest U.S.-listed names in the same FMP sector — not a hand-picked competitor set.
| Rank | Company | Market cap | 1D |
|---|---|---|---|
| #15 | Walmart Inc. WMT | $945.5B | +0.80% |
| #29 | The Coca-Cola Company KO | $404.01B | +2.07% |
| #31 | The Procter & Gamble Company |
Costco Wholesale Corporation, alongside its group entities, operates membership-based retail warehouses across a broad international scope, spanning the United States, Puerto Rico, Canada, the United Kingdom, Mexico, Japan, South Korea, Australia, Spain, France, Iceland, China, and Taiwan. These outlets provide customers with an extensive array of both well-known branded and proprietary private-label products.
Summary from the company profile (Financial Modeling Prep). Principal financial figures above are for FY 2026.
Visit websiteAs of October 17, 2026, Costco Wholesale Corporation (COST) is worth $438.3B — that is its market capitalization, the total value of its outstanding shares on MarketCapLens.
A company’s net worth is its shareholders’ equity: assets minus liabilities on the balance sheet. That is book equity, not market cap. For FY 2026, Costco Wholesale Corporation’s book equity is about $35.8B. Market cap is the market value of the outstanding shares. As of October 17, 2026, its market cap is $438.3B. Book equity is an accounting remainder; market cap is a trading value. Neither is a person’s net worth.
Costco Wholesale Corporation ranks #26 among the 2,502 companies tracked on MarketCapLens. In Consumer Defensive it ranks #2 of 114.
Fundamentals are annual. Figures labeled with their fiscal year. Live ratios use the current price against those annual earnings.
| 2022 |
|---|
| Dec 30, 2022 |
| $202.63B |
| -19.54% |
| $456.50 |
| 2021 | Dec 31, 2021 | $251.84B | — | $567.70 |
|---|
Last observation of each calendar year from historical market-cap records. The current year is through the latest date, not a completed year-end. Share-price close is the matching session for context — we do not rebuild cap from today's share count.
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FY 2026
| $370.02B |
| +1.42% |
| #40 | Philip Morris International Inc. PM | $319.83B | +2.65% |
| #84 | PepsiCo, Inc. PEP | $179.19B | +2.42% |
| #98 | Anheuser-Busch InBev SA/NV BUD | $162.63B | +1.61% |
Companies immediately above and below in the overall ranking. They may be in a different sector.
| Rank | Company | Market cap | 1D |
|---|---|---|---|
| #23 | AbbVie Inc. ABBV | $504.37B | +0.71% |
| #24 | Intel Corp. INTC | $474.96B | -5.79% |
| #25 | Chevron Corporation CVX | $444.51B | +2.58% |
| #27 | Palantir Technologies Inc. PLTR | $428B | -7.22% |
| #28 | Cisco Systems, Inc. CSCO | $423.39B | -2.24% |
| #29 | The Coca-Cola Company KO | $404.01B | +2.07% |
Costco Wholesale Corporation’s ranking market cap of $438.3B comes from the same snapshot as the rest of this site, as of October 17, 2026. It is not share price multiplied by the FY 2026 weighted-average share count of 443,953,000. The historical market-cap series last observed $439.14B on October 16, 2026.
Over the past year, Costco Wholesale Corporation’s market cap is up 6.86%, using historical market-cap records rather than today’s share count applied to past prices.
Costco Wholesale Corporation (COST) shares trade at $989.11, up 1.13% on the day, as of October 17, 2026.
Costco Wholesale Corporation trades at a live price-to-earnings (P/E) ratio of 47.6, using the latest share price divided by the latest annual earnings per share. That is not the same as a fiscal-year reported P/E.