Costco Wholesale (COST) Shares Outstanding (Diluted) (2009 - 2026)
Costco Wholesale (COST) posted Shares Outstanding (Diluted) of 444.43 million for fiscal Q3 2026 (quarter ended May 10, 2026), down 0.1% from 444.76 million a year earlier and unchanged from the prior quarter.
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Analysis
Costco Wholesale (COST) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends
For FY2025 (ended Aug 31, 2025), Costco Wholesale's Shares Outstanding (Diluted) came in at 444.8 million, unchanged from FY2024.
- Annual Shares Outstanding (Diluted) shows a five-year compound annual growth rate of 0.0% (FY2020 to FY2025).
- In prior fiscal years, Costco Wholesale's Shares Outstanding (Diluted) was 444.76 million in FY2024 (+0.1%), 444.45 million in FY2023 (-0.1%), 444.76 million in FY2022 (+0.1%) and 444.35 million in FY2021 (+0.1%).
- Quarterly Shares Outstanding (Diluted) has run from a low of 444.35 million in fiscal Q4 2021 to a high of 444.92 million in fiscal Q2 2022 over five years.
- On a year-over-year basis, Shares Outstanding (Diluted) has declined in each of the last three quarters, with an average year-over-year change of 0.0% over the last eight quarters.
- According to Business Quant data, Shares Outstanding (Diluted) for the three prior fiscal quarters was 444.42 million (Q2 2026), 444.52 million (Q1 2026) and 444.8 million (Q4 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Walmart | 824.47 Bn | 787.18 Bn | 49.13 Bn | 7.98 Bn |
| 2 | Costco Wholesale | 403.75 Bn | 333.05 Bn | 9.01 Bn | 444.43 Mn |
| 3 | Sysco | 37.36 Bn | 31.61 Bn | 4.13 Bn | 480.61 Mn |
| 4 | Kroger | 34.63 Bn | 20.79 Bn | 7.86 Bn | 608.00 Mn |
| 5 | Dollar General | 26.38 Bn | 21.06 Bn | 3.68 Bn | 221.51 Mn |
| 6 | Caseys General Stores | 22.49 Bn | 20.48 Bn | 1.24 Bn | 37.14 Mn |
| 7 | Dollar Tree | 21.40 Bn | 18.02 Bn | 2.10 Bn | 190.90 Mn |
| 8 | US Foods Holding | 19.94 Bn | 19.74 Bn | 1.92 Bn | 221.00 Mn |
| 9 | Tractor Supply | 16.33 Bn | 15.49 Bn | 1.68 Bn | 524.62 Mn |
| 10 | Performance Food | 14.29 Bn | 14.07 Bn | 2.17 Bn | 157.00 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| May 10, 2026 | 444.43 Mn |
| Feb 15, 2026 | 444.42 Mn |
| Nov 23, 2025 | 444.52 Mn |
| Aug 31, 2025 | 444.80 Mn |
| May 11, 2025 | 444.76 Mn |
| Feb 16, 2025 | 444.89 Mn |
| Nov 24, 2024 | 444.89 Mn |
| Sep 1, 2024 | 444.76 Mn |
| May 12, 2024 | 444.83 Mn |
| Feb 18, 2024 | 444.75 Mn |
| Nov 26, 2023 | 444.40 Mn |
| Sep 3, 2023 | 444.45 Mn |
| May 7, 2023 | 444.36 Mn |
| Feb 12, 2023 | 444.48 Mn |
| Nov 20, 2022 | 444.53 Mn |
| Aug 28, 2022 | 444.76 Mn |
| May 8, 2022 | 444.89 Mn |
| Feb 13, 2022 | 444.92 Mn |
| Nov 21, 2021 | 444.60 Mn |
| Aug 29, 2021 | 444.35 Mn |
API Access
Costco Wholesale Shares Outstanding (Diluted) API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=COST&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "COST", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=COST&period=max&api_key=YOUR_API_KEY");
const data = await res.json();