Costco Wholesale COST
NASDAQ COST
$1,018.21 +19.90 (+1.99%)
At close: Oct 22, 2026 · 4:00 PM EDT

Costco Wholesale (COST) Shares Outstanding (Diluted) (2009 - 2026)

Updated

Costco Wholesale (COST) posted Shares Outstanding (Diluted) of 444.43 million for fiscal Q4 2026 (quarter ended Aug 30, 2026), down 0.1% from 444.8 million a year earlier.

Analysis

Costco Wholesale (COST) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends

Since fiscal Q2 2009, Costco Wholesale has reported Shares Outstanding (Diluted) for 71 quarters.

  • Annual Shares Outstanding (Diluted) shows a five-year compound annual growth rate of 0.0% (FY2021 to FY2026).
  • In prior fiscal years, Costco Wholesale's Shares Outstanding (Diluted) was 444.8 million in FY2025 (unchanged), 444.76 million in FY2024 (+0.1%), 444.45 million in FY2023 (-0.1%) and 444.76 million in FY2022 (+0.1%).
  • Quarterly Shares Outstanding (Diluted) has run from a low of 444.36 million in fiscal Q3 2023 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 four quarters, with an average year-over-year change of 0.0% over the last eight quarters.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares Outstanding (Dil.) (Qtr)
1 Walmart 961.60 Bn 918.03 Bn 49.13 Bn 7.98 Bn
2 Costco Wholesale 451.41 Bn 374.69 Bn 12.19 Bn 444.43 Mn
3 Kroger 41.07 Bn 27.22 Bn 7.86 Bn 608.00 Mn
4 Sysco 40.11 Bn 34.36 Bn 4.13 Bn 480.61 Mn
5 Dollar General 30.55 Bn 25.23 Bn 3.68 Bn 221.51 Mn
6 Caseys General Stores 26.34 Bn 24.34 Bn 1.24 Bn 37.14 Mn
7 Dollar Tree 24.96 Bn 21.58 Bn 2.10 Bn 190.90 Mn
8 US Foods Holding 22.77 Bn 22.57 Bn 1.92 Bn 221.00 Mn
9 Tractor Supply 18.16 Bn 17.32 Bn 1.68 Bn 524.62 Mn
10 Performance Food 15.22 Bn 15.00 Bn 2.17 Bn 157.00 Mn
Historic Data

Historic Data

Download Data
DateValue
Aug 30, 2026 444.43 Mn
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
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_KEY