Costco Wholesale Corp. (NASDAQ:COST)

The investment activity ratios demonstrate a period of efficiency growth followed by a gradual moderation in asset utilization from late 2020 through mid-2026.

Net Fixed Asset Turnover

A consistent upward trajectory is observed from November 2020 (7.60) through August 2022, where the ratio reached a peak of 9.04. Following this peak, a gradual decline is evident, with the ratio settling at 8.39 by May 2026. A nearly identical pattern is reflected in the ratio including operating lease right-of-use assets, which peaked at 8.12 in August 2022 before descending to 7.77. This indicates that while fixed asset efficiency improved significantly in the first two years of the period, the rate of revenue growth relative to fixed asset investment has decelerated since mid-2022.

Total Asset Turnover

Total asset efficiency exhibited a general improvement over the analyzed timeframe, rising from 2.81 in November 2020 to a peak of 3.68 in February 2024. Following this high, the ratio experienced a slight correction and stabilized between 3.33 and 3.50. The overall trend suggests a strengthened capacity to generate sales from the total asset base compared to the baseline in 2020.

Equity Turnover

Equity turnover shows a predominantly downward trend, decreasing from 11.40 in November 2020 to 8.59 by May 2026. A significant short-term spike is noted in February 2024, where the ratio rose to 11.76 before resuming a steady decline. This long-term contraction suggests that the growth of equity has consistently outpaced the growth in sales, resulting in a lower turnover rate of shareholder investments over the period.

The analysis of net fixed asset turnover reveals a distinct three-phase trajectory characterized by an initial period of efficiency gains, a phase of stabilization, and a subsequent gradual decline in asset utilization efficiency.

Efficiency Expansion Phase (November 2020 – August 2022)

A consistent upward trend in the net fixed asset turnover ratio is observed, rising from 7.60 to a peak of 9.04. During this period, net sales growth significantly outpaced the expansion of net property and equipment. This indicates a period of high operational leverage where existing assets were utilized more intensively to generate incremental revenue.

Stabilization and Peak Plateau (November 2022 – May 2023)

The ratio entered a plateau phase, fluctuating narrowly between 8.91 and 9.02. This stabilization suggests that the rate of investment in fixed assets aligned more closely with the growth in sales, maintaining a steady level of efficiency without significant gains or losses in asset productivity.

Gradual Efficiency Compression (September 2023 – May 2026)

A slow, downward trend is evident in the latter part of the period, with the ratio declining from 8.91 to 8.39. While net sales continued to grow—increasing from approximately 77 billion in September 2023 to over 69 billion in the final reported quarters—the net property and equipment base expanded steadily from 26.6 billion to 34.2 billion. The decline in the turnover ratio indicates that capital expenditures in fixed assets grew at a faster rate than the corresponding increase in sales revenue, leading to a marginal reduction in the efficiency of long-term asset utilization.

Revenue and Asset Correlation

Net sales exhibit strong seasonality with recurring peaks in the third quarter of each year. Despite these volatile sales swings, the net property and equipment balance demonstrates a linear and disciplined increase. The divergence between the linear growth of the asset base and the fluctuating growth of sales is the primary driver behind the observed volatility and eventual decline in the net fixed asset turnover ratio.

The analysis of long-term investment activity reveals a period of significant efficiency gains followed by a phase of stabilization and a slight subsequent contraction in asset productivity. Between November 2020 and May 2026, net sales exhibited a consistent upward trajectory characterized by strong seasonal peaks, while net property and equipment, including right-of-use assets, grew steadily and linearly.

Net Fixed Asset Turnover Trend

The net fixed asset turnover ratio experienced a notable increase during the initial phase of the period, rising from 6.75 in November 2020 to a peak of 8.12 in August 2022. This indicates a period where sales growth significantly outpaced the expansion of the fixed asset base, reflecting enhanced operational efficiency and higher revenue generation per unit of investment.

Stability and Plateau Phase

Following the peak in 2022, the ratio entered a period of relative stability between August 2022 and May 2024, fluctuating narrowly between 8.04 and 8.12. This plateau suggests a balanced equilibrium where the rate of capital expenditure on property and equipment aligned closely with the growth in sales volume.

Recent Efficiency Compression

Beginning in September 2024, a gradual downward trend in the turnover ratio is observed, declining from 7.89 to a low of 7.71 in February 2026, before a slight recovery to 7.77 in May 2026. This contraction suggests that the recent acceleration in the acquisition of net property and equipment, which grew from approximately 31.6 billion USD in May 2024 to 37.0 billion USD by May 2026, has temporarily outpaced the growth in net sales.

Relationship Between Asset Growth and Revenue

The steady increase in net property and equipment indicates a disciplined and continuous investment in long-term infrastructure. While the net fixed asset turnover ratio has decreased slightly from its historical peak, it remains substantially higher than the levels recorded in 2020, indicating that the overall productivity of the investment base has improved over the long term despite the recent trend of asset accumulation.

An analysis of the investment activity ratios indicates a sustained period of operational efficiency and growth. The total asset turnover has demonstrated a general upward trajectory over the evaluated period, reflecting an improved ability to generate revenue from the company's asset base.

Net Sales Trends

Revenue displays a consistent long-term growth trend, increasing from 42,347 million USD in November 2020 to 69,154 million USD by May 2026. The data reveals significant seasonal volatility, with recurring peaks observed in the August and September periods of each year, where sales frequently exceed 75,000 million USD.

Asset Base Expansion

Total assets grew from 60,217 million USD in November 2020 to 86,430 million USD in May 2026. While there was an initial decrease in assets during early 2021, a steady expansionary phase began in late 2021, suggesting continuous investment in infrastructure or inventory to support increasing sales volumes.

Total Asset Turnover Performance

The total asset turnover ratio improved from 2.81 in November 2020 to a peak of 3.68 in February 2024. This increase indicates that the growth in net sales outpaced the growth in total assets for a significant portion of the period. Following the February 2024 peak, the ratio experienced a slight moderation, stabilizing between 3.32 and 3.54 throughout 2025 and early 2026.

Efficiency Correlation

The stability of the asset turnover ratio, remaining largely above 3.00 after the initial 2020 period, suggests a highly efficient operational model. Even as the asset base expanded by approximately 43% over the period, the company maintained high utilization rates, ensuring that capital investments translated effectively into top-line revenue growth.

The equity turnover ratio demonstrates a long-term decelerating trend over the analyzed period, moving from a high of 11.40 in November 2020 to a low of 8.59 by May 2026. This trajectory indicates that while net sales have grown substantially in absolute terms, the growth in stockholders' equity has outpaced the growth in revenue, leading to a decrease in the efficiency of equity utilization to generate sales.

Long-term Efficiency Trend

A consistent decline in the equity turnover ratio is observed from November 2020 through November 2023, where the ratio fell from 11.40 to 9.22. This period reflects a steady expansion of the equity base that exceeded the rate of sales growth, suggesting a transition toward a more capital-heavy balance sheet relative to revenue generation.

Capital Structure Anomaly

A significant spike in the turnover ratio occurred in February 2024, reaching 11.76. This increase was not driven by a surge in sales, but rather by a sharp contraction in total stockholders' equity, which dropped from 26,147 million USD in November 2023 to 20,760 million USD in February 2024. This suggests a substantial capital return event, such as share repurchases or special dividends, which temporarily inflated the turnover metric by reducing the denominator.

Post-Anomaly Deceleration

Following the February 2024 peak, the equity turnover ratio resumed its downward trajectory. From February 2024 to May 2026, the ratio declined steadily from 11.76 to 8.59. This indicates a return to the previous pattern of equity accumulation outpacing revenue growth, with the ratio reaching its lowest point in the final period of the analysis.

Sales and Equity Correlation

Net sales exhibit strong seasonal volatility with recurring peaks in late summer and early autumn. However, the stockholders' equity has followed a more linear growth path, excluding the anomalous dip in early 2024. The divergence between the volatile but rising sales and the steadily increasing equity base is the primary driver behind the compression of the equity turnover ratio.