Shares Outstanding for Costco (COST)
According to Costco's latest reported financial statements, the company's latest reported diluted shares outstanding is 444.51M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
COST
Currently viewingShares OutstandingSwitch metric
Latest period
444.51M
YoY change
+0.0%
5Y CAGR
+0.0%
Peak year (2005)
492.04M
Latest annual
444.80M
Shares Outstanding history chart for Costco (COST) from 1985 to 2025
Shares Outstanding history table for Costco (COST) from 1985 to 2025
| Fiscal year | Period ended | Reported | Shares Outstanding | YoY |
|---|---|---|---|---|
| 2025 | 444.80M | +0.0% | ||
| 2024 | 444.76M | +0.1% | ||
| 2023 | 444.45M | -0.1% | ||
| 2022 | 444.76M | +0.1% | ||
| 2021 | 444.35M | +0.1% | ||
| 2020 | 443.90M | +0.2% | ||
| 2019 | 442.92M | +0.2% | ||
| 2018 | 441.83M | +0.2% | ||
| 2017 | 440.94M | -0.1% | ||
| 2016 | 441.26M | -0.3% | ||
| 2015 | 442.72M | +0.1% | ||
| 2014 | 442.49M | +0.4% | ||
| 2013 | 440.51M | +0.3% | ||
| 2012 | 439.37M | -0.8% | ||
| 2011 | 443.09M | -0.6% | ||
| 2010 | 445.97M | +1.3% | ||
| 2009 | 440.45M | -0.9% | ||
| 2008 | 444.24M | -2.9% | ||
| 2007 | 457.64M | -4.7% | ||
| 2006 | 480.34M | -2.4% | ||
| 2005 | 492.04M | +2.0% | ||
| 2004 | 482.46M | +2.4% | ||
| 2003 | 471.24M | -1.7% | ||
| 2002 | 479.26M | +0.7% | ||
| 2001 | 475.83M | +0.0% | ||
| 2000 | 475.74M | +1.0% | ||
| 1999 | 471.12M | +1.7% | ||
| 1998 | 463.37M | +9.8% | ||
| 1997 | 421.89M | +3.4% | ||
| 1996 | 407.87M | +3.6% | ||
| 1995 | 393.53M | -9.0% | ||
| 1994 | 432.31M | -3.2% | ||
| 1993 | 446.40M | +83.3% | ||
| 1992 | 243.58M | -9.2% | ||
| 1991 | 268.20M | +23.3% | ||
| 1990 | 217.44M | +2.4% | ||
| 1989 | 212.31M | +3.0% | ||
| 1988 | 206.09M | -1.6% | ||
| 1987 | 209.43M | +6.7% | ||
| 1986 | 196.33M | +2.4% | ||
| 1985 | 191.67M | — |
Shares Outstanding values are taken from Costco's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
The 2025 reading of Costco (COST) diluted shares outstanding is 444.80M – edged up 0.0% year-over-year.
Through 2020–2025 (5 years), Costco diluted shares outstanding delivered a +0.0% annualised rate; sustaining 2 straight years of year-over-year growth.
Costco diluted shares outstanding declined from 492.04M in 2005 to 444.80M in 2025, a 9.6% drawdown.
492.04M stands as the all-time-high annual diluted shares outstanding, posted in 2005, against a low of 191.67M during 1985.
Costco (COST) sits 9th of 8 Consumer Defensive peers we track on this metric, against a peer median of 1.62B.
Costco Shares Outstanding by Year
Costco Shares Outstanding 2025: 444.80M
Costco diluted shares outstanding in 2025 was 444.80M, edged up 0.0% from 2024.
Costco Shares Outstanding 2024: 444.76M
Costco diluted shares outstanding in 2024 was 444.76M, edged up 0.1% from 2023.
Costco Shares Outstanding 2023: 444.45M
Costco diluted shares outstanding in 2023 was 444.45M, edged down 0.1% below 2022.
Costco Shares Outstanding 2022: 444.76M
Costco diluted shares outstanding in 2022 was 444.76M, edged up 0.1% from 2021.
Costco Shares Outstanding 2021: 444.35M
Costco diluted shares outstanding in 2021 was 444.35M.
See more financial history for Costco (COST).
Sector peers — Shares Outstanding
Companies in the same sector as Costco, ranked by their latest diluted shares outstanding.
| Company | Shares Outstanding | Sector |
|---|---|---|
| Walmart Inc. (WMT) | 8.02B | Consumer Defensive |
| The Coca-Cola Company (KO) | 4.31B | Consumer Defensive |
| The Procter & Gamble Company (PG) | 2.45B | Consumer Defensive |
| Altria Group, Inc. (MO) | 1.68B | Consumer Defensive |
| Philip Morris International Inc. (PM) | 1.56B | Consumer Defensive |
| PepsiCo, Inc. (PEP) | 1.37B | Consumer Defensive |
| Mondelez International, Inc. (MDLZ) | 1.30B | Consumer Defensive |
| Monster Beverage Corporation (MNST) | 984.45M | Consumer Defensive |
Frequently asked questions
What is Costco's diluted shares outstanding?
- Latest reported diluted shares outstanding for Costco (COST) is 444.51M (period ending February 15, 2026).
How has Costco diluted shares outstanding changed year-over-year?
- Costco (COST) diluted shares outstanding changed +0.0% year-over-year on the latest annual filing.
What is the long-term growth rate of Costco diluted shares outstanding?
- Costco (COST) diluted shares outstanding compound annual growth rate is +0.0% over the most recent 5 years available.
When did Costco diluted shares outstanding hit its highest annual value?
- Costco diluted shares outstanding reached its highest annual value of 492.04M in 2005.
What was Costco diluted shares outstanding in 2024?
- Costco (COST) diluted shares outstanding in 2024 was 444.76M.
What was Costco diluted shares outstanding in 2025?
- Costco (COST) diluted shares outstanding in 2025 was 444.80M.
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