Stock Analysis on Net

Costco Wholesale Corp. (NASDAQ:COST)

$24.99

Analysis of Profitability Ratios
Quarterly Data

Microsoft Excel

Paying user area

The data is hidden behind: . Unhide it.

This is a one-time payment. There is no automatic renewal.


We accept:

Visa Mastercard American Express Maestro Discover JCB PayPal Google Pay
Visa Secure Mastercard Identity Check American Express SafeKey

Profitability Ratios (Summary)

Costco Wholesale Corp., profitability ratios (quarterly data)

Microsoft Excel
Aug 31, 2025 May 11, 2025 Feb 16, 2025 Nov 24, 2024 Sep 1, 2024 May 12, 2024 Feb 18, 2024 Nov 26, 2023 Sep 3, 2023 May 7, 2023 Feb 12, 2023 Nov 20, 2022 Aug 28, 2022 May 8, 2022 Feb 13, 2022 Nov 21, 2021 Aug 29, 2021 May 9, 2021 Feb 14, 2021 Nov 22, 2020 Aug 30, 2020 May 10, 2020 Feb 16, 2020 Nov 24, 2019
Return on Sales
Gross profit margin
Operating profit margin
Net profit margin
Return on Investment
Return on equity (ROE)
Return on assets (ROA)

Based on: 10-K (reporting date: 2025-08-31), 10-Q (reporting date: 2025-05-11), 10-Q (reporting date: 2025-02-16), 10-Q (reporting date: 2024-11-24), 10-K (reporting date: 2024-09-01), 10-Q (reporting date: 2024-05-12), 10-Q (reporting date: 2024-02-18), 10-Q (reporting date: 2023-11-26), 10-K (reporting date: 2023-09-03), 10-Q (reporting date: 2023-05-07), 10-Q (reporting date: 2023-02-12), 10-Q (reporting date: 2022-11-20), 10-K (reporting date: 2022-08-28), 10-Q (reporting date: 2022-05-08), 10-Q (reporting date: 2022-02-13), 10-Q (reporting date: 2021-11-21), 10-K (reporting date: 2021-08-29), 10-Q (reporting date: 2021-05-09), 10-Q (reporting date: 2021-02-14), 10-Q (reporting date: 2020-11-22), 10-K (reporting date: 2020-08-30), 10-Q (reporting date: 2020-05-10), 10-Q (reporting date: 2020-02-16), 10-Q (reporting date: 2019-11-24).


The financial data reveals several noteworthy trends in profitability and efficiency metrics over the observed periods.

Gross Profit Margin
The gross profit margin exhibited a general downward trajectory beginning around 11.3% in mid-2020, declining gradually to a low near 10.39% in early 2023. Following this dip, a modest and steady recovery is apparent, with the margin increasing to approximately 11.12% by the end of the timeline. This pattern suggests initial margin pressure potentially due to heightened costs or competitive pricing, followed by improvements possibly from cost efficiencies or pricing adjustments.
Operating Profit Margin
The operating profit margin showed a relatively stable yet slightly upward trend throughout the periods. Starting near 3.33%, it gradually increased to about 3.85% by the final quarter recorded. Minor fluctuations were observed, but the overall improvement signifies enhanced operational control or favorable expense management contributing to stronger operating profitability.
Net Profit Margin
Net profit margin mirrored the pattern seen in operating margin, trending upward gradually from roughly 2.45% to 3.0%. This consistent increase, despite small intermittent drops, reflects a positive evolution in bottom-line profitability, indicating effective cost control and possibly favorable tax effects or reduced interest expenses.
Return on Equity (ROE)
Return on equity demonstrated higher volatility within the period. Initially, it surged from about 21.9% to a peak near 29.1% within a few quarters. Subsequently, a downward drift occurred, bottoming near 24.9% before a sharp rebound to above 32% occurred around early 2024. Following this peak, ROE gradually declined to approximately 27.8%. These fluctuations may be linked to changes in net income relative to shareholders' equity, perhaps influenced by variations in leverage, earnings volatility, or capital structure adjustments.
Return on Assets (ROA)
The return on assets showed a steady rising trend, advancing from around 7.2% to a peak exceeding 10.5%. This continuous improvement signals enhanced asset utilization and operational efficiency, suggesting that the company increasingly generated more profit per unit of assets employed.

Overall, the data indicates that the company experienced some margin compression in gross terms followed by recovery, consistent operational and net profitability improvements, and enhanced asset efficiency. Variation in equity returns implies shifts in financial structuring or profitability relative to equity holders. Collectively, these trends portray a company strengthening its profitability and efficiency metrics over the observed timeframe, with some fluctuations possibly reflecting external market conditions or internal strategic changes.


Return on Sales


Return on Investment


Gross Profit Margin

Costco Wholesale Corp., gross profit margin calculation (quarterly data)

Microsoft Excel
Aug 31, 2025 May 11, 2025 Feb 16, 2025 Nov 24, 2024 Sep 1, 2024 May 12, 2024 Feb 18, 2024 Nov 26, 2023 Sep 3, 2023 May 7, 2023 Feb 12, 2023 Nov 20, 2022 Aug 28, 2022 May 8, 2022 Feb 13, 2022 Nov 21, 2021 Aug 29, 2021 May 9, 2021 Feb 14, 2021 Nov 22, 2020 Aug 30, 2020 May 10, 2020 Feb 16, 2020 Nov 24, 2019
Selected Financial Data (US$ in millions)
Gross margin
Net sales
Profitability Ratio
Gross profit margin1
Benchmarks
Gross Profit Margin, Competitors2
Target Corp.
Walmart Inc.

Based on: 10-K (reporting date: 2025-08-31), 10-Q (reporting date: 2025-05-11), 10-Q (reporting date: 2025-02-16), 10-Q (reporting date: 2024-11-24), 10-K (reporting date: 2024-09-01), 10-Q (reporting date: 2024-05-12), 10-Q (reporting date: 2024-02-18), 10-Q (reporting date: 2023-11-26), 10-K (reporting date: 2023-09-03), 10-Q (reporting date: 2023-05-07), 10-Q (reporting date: 2023-02-12), 10-Q (reporting date: 2022-11-20), 10-K (reporting date: 2022-08-28), 10-Q (reporting date: 2022-05-08), 10-Q (reporting date: 2022-02-13), 10-Q (reporting date: 2021-11-21), 10-K (reporting date: 2021-08-29), 10-Q (reporting date: 2021-05-09), 10-Q (reporting date: 2021-02-14), 10-Q (reporting date: 2020-11-22), 10-K (reporting date: 2020-08-30), 10-Q (reporting date: 2020-05-10), 10-Q (reporting date: 2020-02-16), 10-Q (reporting date: 2019-11-24).

1 Q4 2025 Calculation
Gross profit margin = 100 × (Gross marginQ4 2025 + Gross marginQ3 2025 + Gross marginQ2 2025 + Gross marginQ1 2025) ÷ (Net salesQ4 2025 + Net salesQ3 2025 + Net salesQ2 2025 + Net salesQ1 2025)
= 100 × ( + + + ) ÷ ( + + + ) =

2 Click competitor name to see calculations.


The analysis of the quarterly financial data reveals several notable trends across the reported periods. Both net sales and gross margin exhibit a positive trajectory over time, indicating growth in revenue and the capacity to generate profit from sales activities.

Net Sales
Net sales show a marked increase overall, with values rising from approximately 36,236 million US dollars in late 2019 to around 84,432 million US dollars by late 2024. This progression highlights a strong expansion in sales volume or pricing power, with occasional fluctuations corresponding to seasonal or market variations.
Gross Margin
The gross margin amounts have also increased considerably, moving from 4,003 million US dollars to about 9,395 million US dollars over the same timeframe. This trend supports the inference of improving operational efficiency or favorable cost management while scaling sales.
Gross Profit Margin Percentage
The gross profit margin percentage, calculated as the ratio of gross margin to net sales, demonstrates gradual improvement. Starting from around 11.2% in early 2020, it slightly decreases in several quarters but then shows a steady rise to approximately 11.12% by late 2024. This suggests an enhancement in profitability per unit of sales, reflecting effective control of costs relative to revenue growth.

Overall, the financial data portrays a pattern of steady growth in revenue and profitability metrics. The incremental increases in gross profit margin percentages indicate that cost structures have been managed well relative to sales expansion, contributing to improved profit efficiency. Seasonality effects appear present but do not obscure the underlying positive trend in financial performance.


Operating Profit Margin

Costco Wholesale Corp., operating profit margin calculation (quarterly data)

Microsoft Excel
Aug 31, 2025 May 11, 2025 Feb 16, 2025 Nov 24, 2024 Sep 1, 2024 May 12, 2024 Feb 18, 2024 Nov 26, 2023 Sep 3, 2023 May 7, 2023 Feb 12, 2023 Nov 20, 2022 Aug 28, 2022 May 8, 2022 Feb 13, 2022 Nov 21, 2021 Aug 29, 2021 May 9, 2021 Feb 14, 2021 Nov 22, 2020 Aug 30, 2020 May 10, 2020 Feb 16, 2020 Nov 24, 2019
Selected Financial Data (US$ in millions)
Operating income
Net sales
Profitability Ratio
Operating profit margin1
Benchmarks
Operating Profit Margin, Competitors2
Target Corp.
Walmart Inc.

Based on: 10-K (reporting date: 2025-08-31), 10-Q (reporting date: 2025-05-11), 10-Q (reporting date: 2025-02-16), 10-Q (reporting date: 2024-11-24), 10-K (reporting date: 2024-09-01), 10-Q (reporting date: 2024-05-12), 10-Q (reporting date: 2024-02-18), 10-Q (reporting date: 2023-11-26), 10-K (reporting date: 2023-09-03), 10-Q (reporting date: 2023-05-07), 10-Q (reporting date: 2023-02-12), 10-Q (reporting date: 2022-11-20), 10-K (reporting date: 2022-08-28), 10-Q (reporting date: 2022-05-08), 10-Q (reporting date: 2022-02-13), 10-Q (reporting date: 2021-11-21), 10-K (reporting date: 2021-08-29), 10-Q (reporting date: 2021-05-09), 10-Q (reporting date: 2021-02-14), 10-Q (reporting date: 2020-11-22), 10-K (reporting date: 2020-08-30), 10-Q (reporting date: 2020-05-10), 10-Q (reporting date: 2020-02-16), 10-Q (reporting date: 2019-11-24).

1 Q4 2025 Calculation
Operating profit margin = 100 × (Operating incomeQ4 2025 + Operating incomeQ3 2025 + Operating incomeQ2 2025 + Operating incomeQ1 2025) ÷ (Net salesQ4 2025 + Net salesQ3 2025 + Net salesQ2 2025 + Net salesQ1 2025)
= 100 × ( + + + ) ÷ ( + + + ) =

2 Click competitor name to see calculations.


The financial data reveals several clear trends and patterns over the multiple quarterly periods analyzed.

Operating Income
Operating income demonstrates a generally upward trajectory with some volatility. Initial values show moderate levels around 1061 million US dollars, followed by fluctuations with periodic increases reaching a peak near 3341 million US dollars in the latest quarter. This indicates a growth in profitability from core operations, although some quarters experience a decline or plateau, reflecting possible operational or market challenges.
Net Sales
Net sales display a consistent increasing trend, rising from approximately 36,236 million US dollars at the earliest period to over 84,432 million US dollars by the most recent quarter. This steady growth underlines successful revenue expansion. Noteworthy are significant jumps in sales around mid-2020 and late 2022, which may correlate with market demand changes or strategic initiatives driving higher sales volumes.
Operating Profit Margin
The operating profit margin remains relatively stable, generally hovering around the mid-3% range but showing a subtle upward trend from about 3.33% in early periods to approximately 3.85% in recent quarters. This gradual increase suggests improved efficiency or better cost management relative to revenue growth, contributing to enhanced profitability metrics.

Overall, the data depicts steady growth in both sales and operating income, accompanied by marginal improvements in operating profit margin. Such trends indicate effective operational control amidst expanding sales volumes and highlight positive financial momentum. However, the intermittent volatility in operating income emphasizes the need for continuous monitoring of operational performance factors that could impact profitability.


Net Profit Margin

Costco Wholesale Corp., net profit margin calculation (quarterly data)

Microsoft Excel
Aug 31, 2025 May 11, 2025 Feb 16, 2025 Nov 24, 2024 Sep 1, 2024 May 12, 2024 Feb 18, 2024 Nov 26, 2023 Sep 3, 2023 May 7, 2023 Feb 12, 2023 Nov 20, 2022 Aug 28, 2022 May 8, 2022 Feb 13, 2022 Nov 21, 2021 Aug 29, 2021 May 9, 2021 Feb 14, 2021 Nov 22, 2020 Aug 30, 2020 May 10, 2020 Feb 16, 2020 Nov 24, 2019
Selected Financial Data (US$ in millions)
Net income attributable to Costco
Net sales
Profitability Ratio
Net profit margin1
Benchmarks
Net Profit Margin, Competitors2
Target Corp.
Walmart Inc.

Based on: 10-K (reporting date: 2025-08-31), 10-Q (reporting date: 2025-05-11), 10-Q (reporting date: 2025-02-16), 10-Q (reporting date: 2024-11-24), 10-K (reporting date: 2024-09-01), 10-Q (reporting date: 2024-05-12), 10-Q (reporting date: 2024-02-18), 10-Q (reporting date: 2023-11-26), 10-K (reporting date: 2023-09-03), 10-Q (reporting date: 2023-05-07), 10-Q (reporting date: 2023-02-12), 10-Q (reporting date: 2022-11-20), 10-K (reporting date: 2022-08-28), 10-Q (reporting date: 2022-05-08), 10-Q (reporting date: 2022-02-13), 10-Q (reporting date: 2021-11-21), 10-K (reporting date: 2021-08-29), 10-Q (reporting date: 2021-05-09), 10-Q (reporting date: 2021-02-14), 10-Q (reporting date: 2020-11-22), 10-K (reporting date: 2020-08-30), 10-Q (reporting date: 2020-05-10), 10-Q (reporting date: 2020-02-16), 10-Q (reporting date: 2019-11-24).

1 Q4 2025 Calculation
Net profit margin = 100 × (Net income attributable to CostcoQ4 2025 + Net income attributable to CostcoQ3 2025 + Net income attributable to CostcoQ2 2025 + Net income attributable to CostcoQ1 2025) ÷ (Net salesQ4 2025 + Net salesQ3 2025 + Net salesQ2 2025 + Net salesQ1 2025)
= 100 × ( + + + ) ÷ ( + + + ) =

2 Click competitor name to see calculations.


An analysis of the quarterly financial data reveals several noteworthy trends in key performance metrics over the period examined.

Net Income Attributable
The net income figures display a generally upward trajectory with periodic fluctuations. Starting from $844 million, the net income shows a notable increase, peaking in certain quarters such as $2.16 billion and $2.35 billion. Despite some interim declines, the long-term pattern indicates increased profitability, suggesting effective management of costs and revenues. The peaks also hint at possible seasonal or cyclical effects influencing earnings.
Net Sales
Net sales exhibit consistent growth across the reported periods. Beginning with $36.2 billion, sales increase significantly, reaching up to approximately $84.4 billion in the latest quarter. The data indicates strong consumer demand or successful expansion strategies. Certain quarters demonstrate substantial jumps in sales, likely reflecting peak sales periods or successful product/service initiatives. The general trend confirms steady top-line growth supporting the income trends observed.
Net Profit Margin
The net profit margin, although missing data for the initial quarters, displays a slight but steady increase over time, beginning around 2.45% and progressing to approximately 3.00%. This gradual rise in profitability margin suggests improving operational efficiency or favorable pricing strategies, enhancing the ability to convert sales into actual profit. The margin stability coupled with growth indicates sound financial health and effective cost control measures.

Overall, the data reflect strong financial health with growing revenues and profits. The improving net profit margin alongside increasing net income and sales highlights the company’s capability to expand while maintaining or enhancing profitability. The observed variations appear typical for seasonal influences or market dynamics, but the overarching trend points toward sustained financial growth.


Return on Equity (ROE)

Costco Wholesale Corp., ROE calculation (quarterly data)

Microsoft Excel
Aug 31, 2025 May 11, 2025 Feb 16, 2025 Nov 24, 2024 Sep 1, 2024 May 12, 2024 Feb 18, 2024 Nov 26, 2023 Sep 3, 2023 May 7, 2023 Feb 12, 2023 Nov 20, 2022 Aug 28, 2022 May 8, 2022 Feb 13, 2022 Nov 21, 2021 Aug 29, 2021 May 9, 2021 Feb 14, 2021 Nov 22, 2020 Aug 30, 2020 May 10, 2020 Feb 16, 2020 Nov 24, 2019
Selected Financial Data (US$ in millions)
Net income attributable to Costco
Total Costco stockholders’ equity
Profitability Ratio
ROE1
Benchmarks
ROE, Competitors2
Target Corp.
Walmart Inc.

Based on: 10-K (reporting date: 2025-08-31), 10-Q (reporting date: 2025-05-11), 10-Q (reporting date: 2025-02-16), 10-Q (reporting date: 2024-11-24), 10-K (reporting date: 2024-09-01), 10-Q (reporting date: 2024-05-12), 10-Q (reporting date: 2024-02-18), 10-Q (reporting date: 2023-11-26), 10-K (reporting date: 2023-09-03), 10-Q (reporting date: 2023-05-07), 10-Q (reporting date: 2023-02-12), 10-Q (reporting date: 2022-11-20), 10-K (reporting date: 2022-08-28), 10-Q (reporting date: 2022-05-08), 10-Q (reporting date: 2022-02-13), 10-Q (reporting date: 2021-11-21), 10-K (reporting date: 2021-08-29), 10-Q (reporting date: 2021-05-09), 10-Q (reporting date: 2021-02-14), 10-Q (reporting date: 2020-11-22), 10-K (reporting date: 2020-08-30), 10-Q (reporting date: 2020-05-10), 10-Q (reporting date: 2020-02-16), 10-Q (reporting date: 2019-11-24).

1 Q4 2025 Calculation
ROE = 100 × (Net income attributable to CostcoQ4 2025 + Net income attributable to CostcoQ3 2025 + Net income attributable to CostcoQ2 2025 + Net income attributable to CostcoQ1 2025) ÷ Total Costco stockholders’ equity
= 100 × ( + + + ) ÷ =

2 Click competitor name to see calculations.


The financial data reveals notable trends in profitability, equity growth, and return on equity (ROE) over the analyzed periods.

Net Income
The net income attributable to the entity exhibits an overall upward trajectory with fluctuations. Starting from 844 million US dollars in late 2019, it increases significantly by mid-2020 and shows periodic rises, peaking repeatedly towards the later dates. Peaks occur notably around August 2020 (1389 million), August 2021 (1670 million), August 2022 (1868 million), September 2023 (2160 million), and again reaching the highest demonstrated value of 2610 million US dollars by November 2025. Despite some periods of decline or stabilization, the longer-term trend is strongly positive, indicating growing profitability.
Total Stockholders’ Equity
The total stockholders' equity shows consistent growth over the period. Beginning from approximately 15,861 million US dollars at the end of 2019, equity rises steadily through each period, overcoming temporary decreases seen in late 2020 and early 2024. By the final data points, stockholders’ equity surpasses 29,000 million US dollars, indicating a robust expansion in the company's net asset base.
Return on Equity (ROE)
Return on equity exhibits strong performance with values maintaining consistently high levels around and above 25% throughout most periods. Initial data is missing for several quarters, but from November 2020 onwards, ROE fluctuates between approximately 21.89% and 32.95%. The highest ROE values are recorded in early and mid-2024, reaching above 32%, before exhibiting a declining trend toward the last few periods, though remaining above 27%. This suggests efficient utilization of equity to generate profit, albeit with some variability over time.

Overall, the data reflects sustained growth in profitability and equity coupled with a commendable ability to generate returns for stockholders. Sharp increases in net income and steady equity accumulation underpin the company's strong financial standing while ROE indicates effective management of equity investment despite some fluctuations in recent quarters.


Return on Assets (ROA)

Costco Wholesale Corp., ROA calculation (quarterly data)

Microsoft Excel
Aug 31, 2025 May 11, 2025 Feb 16, 2025 Nov 24, 2024 Sep 1, 2024 May 12, 2024 Feb 18, 2024 Nov 26, 2023 Sep 3, 2023 May 7, 2023 Feb 12, 2023 Nov 20, 2022 Aug 28, 2022 May 8, 2022 Feb 13, 2022 Nov 21, 2021 Aug 29, 2021 May 9, 2021 Feb 14, 2021 Nov 22, 2020 Aug 30, 2020 May 10, 2020 Feb 16, 2020 Nov 24, 2019
Selected Financial Data (US$ in millions)
Net income attributable to Costco
Total assets
Profitability Ratio
ROA1
Benchmarks
ROA, Competitors2
Target Corp.
Walmart Inc.

Based on: 10-K (reporting date: 2025-08-31), 10-Q (reporting date: 2025-05-11), 10-Q (reporting date: 2025-02-16), 10-Q (reporting date: 2024-11-24), 10-K (reporting date: 2024-09-01), 10-Q (reporting date: 2024-05-12), 10-Q (reporting date: 2024-02-18), 10-Q (reporting date: 2023-11-26), 10-K (reporting date: 2023-09-03), 10-Q (reporting date: 2023-05-07), 10-Q (reporting date: 2023-02-12), 10-Q (reporting date: 2022-11-20), 10-K (reporting date: 2022-08-28), 10-Q (reporting date: 2022-05-08), 10-Q (reporting date: 2022-02-13), 10-Q (reporting date: 2021-11-21), 10-K (reporting date: 2021-08-29), 10-Q (reporting date: 2021-05-09), 10-Q (reporting date: 2021-02-14), 10-Q (reporting date: 2020-11-22), 10-K (reporting date: 2020-08-30), 10-Q (reporting date: 2020-05-10), 10-Q (reporting date: 2020-02-16), 10-Q (reporting date: 2019-11-24).

1 Q4 2025 Calculation
ROA = 100 × (Net income attributable to CostcoQ4 2025 + Net income attributable to CostcoQ3 2025 + Net income attributable to CostcoQ2 2025 + Net income attributable to CostcoQ1 2025) ÷ Total assets
= 100 × ( + + + ) ÷ =

2 Click competitor name to see calculations.


The financial data reflects several noteworthy trends in key performance indicators over the observed periods.

Net Income Attributable to Costco
The net income shows a generally upward trajectory over the time frame. Starting from 844 million US dollars in late 2019, it demonstrates periodic rises and falls but maintains an overall positive trend. Significant growth spikes are observed around August 2020, August 2022, September 2023, and November 2024, peaking at 2610 million US dollars. This indicates the company's increasing profitability despite some fluctuations in certain periods.
Total Assets
The total assets fluctuate moderately but exhibit a gradual increase throughout the timeline. From approximately 51.4 billion US dollars at the start, assets ascend to around 77.1 billion US dollars by the end of the period. The data shows occasional decreases, such as from November 2023 to February 2024, but the overall trend remains growth-oriented, signaling a steady expansion in the company's asset base.
Return on Assets (ROA)
ROA data, available from mid-2020 onwards, reveals a clear ascending trend in asset efficiency. Beginning at 7.2%, ROA consistently rises over the quarters, reaching just over 10.5% in May 2024. This sustained increase suggests improved profitability relative to asset size, indicating more effective asset management and operational performance over time.

In summary, the company demonstrates strong growth in net income and total assets while concurrently enhancing return on assets. These trends collectively point to improved financial health, increasing profitability margins, and greater efficiency in utilizing assets to generate earnings.