Costco Wholesale (COST) Change In Inventory: $-656 Mil (TTM As of May. 2026)


COST Costco Wholesale Corp COST
96 GF Score
Price $916.25
GF Value $1,019.80
Valuation Modestly Undervalued
! 1 Warning Sign
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What is Costco Wholesale Change In Inventory?

Costco Wholesale COST +0.36% 96 Change In Inventory is $-656 Mil as of May. 2026. GuruFocus rates COST with a GF Score™ of 96/100 and a GF Value™ of $1,019.80 (Modestly Undervalued). The stock has 1 warning sign investors should review.

Costco Wholesale's change in inventory for the quarter that ended in May. 2026 was $-457 Mil. It means Costco Wholesale's inventory increased by $457 Mil from Feb. 2026 to May. 2026 .

Costco Wholesale's change in inventory for the fiscal year that ended in Aug. 2025 was $559 Mil. It means Costco Wholesale's inventory declined by $559 Mil from Aug. 2024 to Aug. 2025 .

Costco Wholesale's Total Inventories for the quarter that ended in May. 2026 was $19,418 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Costco Wholesale's Days Inventory for the quarter that ended in May. 2026 was 28.49.

Inventory Turnover measures how fast the company turns over its inventory within a year. Costco Wholesale's Inventory Turnover for the quarter that ended in May. 2026 was 3.20.

Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue. Costco Wholesale's Inventory-to-Revenue for the quarter that ended in May. 2026 was 0.27.

Costco Wholesale  (NAS:COST) Change In Inventory Explanation

1. Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Costco Wholesale's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=19204.5/61519*365 / 4
=28.49

2. Inventory Turnover measures how fast the company turns over its inventory within a year.

Costco Wholesale's Inventory Turnover for the quarter that ended in May. 2026 is calculated as

Inventory Turnover=Cost of Goods Sold / Average Total Inventories
=61519 / 19204.5
=3.20

3. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.

Costco Wholesale's Inventory to Revenue for the quarter that ended in May. 2026 is calculated as

Inventory-to-Revenue=Average Total Inventories / Revenue
=19204.5 / 70527
=0.27

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Costco Wholesale Change In Inventory Related Terms

Costco Wholesale Change In Inventory Historical Data

* Premium members only.

The historical data trend for Costco Wholesale's Change In Inventory can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Costco Wholesale Change In Inventory Chart

Costco Wholesale Annual Data
Trend Aug16 Aug17 Aug18 Aug19 Aug20 Aug21 Aug22 Aug23 Aug24 Aug25
Change In Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only -1,892.00 -4,003.00 1,228.00 -2,068.00 559.00

Costco Wholesale Quarterly Data
Aug21 Nov21 Feb22 May22 Aug22 Nov22 Feb23 May23 Aug23 Nov23 Feb24 May24 Aug24 Nov24 Feb25 May25 Aug25 Nov25 Feb26 May26
Change In Inventory Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 337.00 584.00 -3,157.00 2,374.00 -457.00
COST
96GF Score
Costco Wholesale Corp COST
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Costco Wholesale Change In Inventory Calculation

Change In Inventory is the difference between last period's ending inventory and the current period's ending inventory.

Change In Inventory for the trailing twelve months (TTM) ended in May. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $-656 Mil.

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Change In Inventory →
What does a Change In Inventory of $-656 Mil mean?
Costco Wholesale (COST) has a Change In Inventory of $-656 Mil as of May. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Costco Wholesale and its competitors.
Is Costco Wholesale's Change In Inventory too high?
Costco Wholesale's current Change In Inventory is $-656 Mil. Overall, Costco Wholesale has a GF Score™ of 96/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Costco Wholesale's Change In Inventory compare to TGT and DG?
Costco Wholesale's Change In Inventory of $-656 Mil can be compared against companies in the Retail - Defensive industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Change In Inventory for a Retail - Defensive company?
A good Change In Inventory depends on the Retail - Defensive industry context. However, Change In Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Change In Inventory mean?
A high Change In Inventory can signal that a stock is expensive relative to its fundamentals. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Costco Wholesale and its competitors. Costco Wholesale's current Change In Inventory is $-656 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Costco Wholesale stock overvalued right now?
Based on GuruFocus' analysis, Costco Wholesale (COST) is currently considered Modestly Undervalued. The stock's GF Value™ is $1,019.80, compared to a current price of $916.25 — trading 10.2% below its estimated fair value. The current Change In Inventory is $-656 Mil. Costco Wholesale's overall GF Score™ is 96/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Change In Inventory calculated?
Change In Inventory is calculated from a company's financial statements. For Costco Wholesale (COST), the current Change In Inventory is $-656 Mil as of May. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Costco Wholesale (COST) Overvalued in 2026?

Based on GuruFocus' analysis, Costco Wholesale stock appears to be undervalued. The current stock price of $916.25 is trading 10.2% below its estimated GF Value™ of $1,019.80. GuruFocus considers Costco Wholesale to be Modestly Undervalued.

Key valuation signals for COST:

  • Change In Inventory: $-656 Mil
  • GF Value™: $1,019.80 vs. price of $916.25 (10.2% below fair value)
  • GF Score™: 96/100 with 1 warning sign

No single metric tells the full story. See the COST stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Costco Wholesale Business Description

Address 999 Lake Drive, Issaquah, WA, USA, 98027
Founded in 1983, Costco Wholesale now operates a global chain of membership-based warehouse clubs, delivering high-quality goods and services at consistently low prices. As of its most recent fiscal year, Costco operated approximately 910 warehouses, serving more than 80 million members across its three geographic segments: Costco US (approximately 73% of total revenue), Costco Canada (13%), and Costco International (14%).Costco's core value proposition—quality products at unbeatable prices—has yielded consistently strong member renewal rates (93% in the US and Canada and nearly 90% internationally). About 55% of Costco's fiscal 2025 revenue came from its grocery offerings, and another 25% from general merchandise.
96GF Score

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Change In Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$916.25
Price
$1,019.80
GF Value