Costco Wholesale Corporation Stock (US22160K1051): Quarterly earnings stay in focus after strong May sales

Costco Wholesale Corporation shares remain in focus on Nasdaq as investors digest the latest quarterly earnings, membership trends and robust May sales data against a still-rich valuation backdrop.

Responsible: ad hoc news Earnings Desk. Reviewed prior to publication on June 16, 2026 at 9:13 PM ET. Details in the imprint.

Costco Wholesale Corporation stock remains on many watchlists after the membership-club retailer reported its latest quarterly results at the end of May and followed up with solid May sales data in early June. The shares trade on Nasdaq under the ticker COST and are part of the S&P 500, making the company a widely tracked U.S. large cap. With membership renewal rates near record highs and traffic still growing, the core business continues to show resilience even as investors debate how much of this strength is already reflected in the current share price.

Quarterly earnings: steady growth in sales and membership fees

Costco reported results for its third quarter of fiscal 2024 (quarter ended May 12, 2024) on May 30, 2024, after the U.S. market close. According to the company, net sales for the quarter rose to $57.39 billion, up about 9.1 percent from $52.60 billion in the prior-year quarter, driven by higher traffic and continued unit growth. Including membership revenue, total revenue reached roughly $58.52 billion, an increase of around 9.1 percent year over year. Membership fee income, a key earnings driver given its high margin, climbed to approximately $1.11 billion, up about 8.5 percent compared with the same quarter last year.

On the bottom line, Costco reported net income attributable to the company of about $1.68 billion for the fiscal third quarter, compared with roughly $1.30 billion in the prior-year period, reflecting higher sales and stable operating margins. Diluted earnings per share came in at $3.78, up from $2.93 a year earlier, exceeding the consensus estimate compiled ahead of the release. Management highlighted that traffic growth remained positive across geographic regions, with particularly solid trends in the United States and Canada. The company also continued to benefit from relatively low shrink and efficient cost control in its warehouse operations, which helped offset wage and utility cost inflation.

Comparable sales, a closely watched retail metric, increased mid-single digits in the quarter when adjusted for changes in gasoline prices and foreign exchange. In the United States, adjusted comparable sales growth was in the mid-single-digit range, while international markets posted slightly stronger trends on the same basis. E-commerce, which represents a smaller but growing part of Costco's business, also delivered positive comparable sales growth during the quarter as the company expanded its online assortment and improved fulfillment capabilities. Investors often focus on the membership fee line because it underpins Costco's ability to price aggressively in the warehouse and still protect margins, and the most recent quarterly numbers continued to support that narrative.

Membership metrics remained a key highlight of the quarter. The company reported that total paid household memberships increased further compared with the prior year, reflecting new warehouse openings and strong retention of existing customers. Global membership renewal rates stayed at historically high levels, with the U.S. and Canada renewal rate hovering around the high 80s to low 90s percent range, underscoring the stickiness of the model. Management also continued to signal that any potential increase in membership fees remains a strategic decision that will be timed carefully, given the importance of value perception among Costco's customer base. For now, the existing fee structure continues to deliver growing membership revenue even without a recent increase.

The company continued its warehouse expansion program during the fiscal third quarter, opening new locations in both North America and international markets. Costco typically targets a disciplined expansion strategy, focusing on regions where population density and income levels can support its large-format warehouse model. Each new warehouse opening tends to add incremental membership sign-ups and supports long-term sales growth, although it can weigh on near-term expenses as locations ramp up. Management reiterated its intention to keep investing in new warehouses, logistics and technology to sustain growth, while maintaining a cautious approach to leverage.

May sales update adds to the post-earnings picture

Shortly after releasing its fiscal third quarter numbers, Costco published its sales results for the retail month of May 2024, which covered the four weeks ended June 2, 2024. The company reported net sales of approximately $19.64 billion for the period, up about 8.1 percent compared with $18.16 billion in the same month of the prior year. For the 39 weeks ended June 2, 2024, net sales totaled around $216.89 billion, an increase of about 6.9 percent from $202.85 billion a year earlier, underscoring the consistency of Costco's top-line momentum. These May sales figures followed a solid April and helped frame the trajectory for the remainder of the fiscal year.

Adjusted May comparable sales growth remained positive in the United States, Canada and other international regions, with underlying trends supported by steady traffic and stable average ticket sizes. Categories such as fresh foods, health and beauty, and certain discretionary items contributed to the growth, while big-ticket discretionary categories stayed more mixed as consumers continued to prioritize essentials. Gasoline price movements and foreign exchange fluctuations continued to influence reported comparable sales, which is why many analysts focus on the figures excluding these items to understand the core demand patterns.

Management's commentary around the sales release reiterated that value-oriented shopping behavior remains pronounced, with members seeking savings on groceries and household staples. Costco's large-pack, low-markup approach appears to resonate in this environment, where many households remain price sensitive even as inflation has moderated from its peaks. The company also noted that its private-label Kirkland Signature products continue to gain acceptance in several categories, contributing both to volumes and to perceived value among members. In addition, certain ancillary businesses, such as pharmacy and optical, maintained stable performance during the period.

The sales updates also provide some color on Costco's ongoing investment in digital and omnichannel capabilities. While warehouse traffic remains the main driver of the business, the company has been gradually improving its online ordering, same-day delivery partnerships and click-and-collect offerings. E-commerce sales, though still a smaller percentage of total revenue compared with some other major U.S. retailers, have shown steady growth over time. Costco continues to emphasize a curated assortment online rather than chasing every category, aiming to balance convenience with its traditional focus on value and limited SKUs.

For investors analyzing the stock after the latest earnings and monthly sales, one recurring topic is how Costco will balance growth investments with shareholder returns. The company has a history of occasional special dividends alongside a regular dividend and share repurchases, though the timing and size of future capital returns remain subject to board decisions and cash flow developments. At the same time, management has repeatedly stressed the importance of reinvesting in warehouses, technology, and employee compensation to support the long-term health of the business.

How Costco stacks up in the U.S. retail landscape

Costco operates in a competitive environment that includes traditional big-box retailers, warehouse clubs and general merchandise retailers across the United States and internationally. In the U.S., key competitors often mentioned by analysts include Walmart's Sam's Club and BJ's Wholesale Club, along with broader retail peers such as Walmart and Target in certain categories. Compared with many of these peers, Costco tends to generate a larger share of its profitability from membership fees, allowing it to keep merchandise markups relatively low. This structural difference is one reason the company has built a reputation for value and member loyalty over several decades.

On metrics such as revenue growth and traffic trends, Costco has recently compared favorably with many U.S. retail peers. Its mid-single-digit to high-single-digit adjusted comparable sales growth contrasts with more modest trends reported by some general merchandise retailers facing pressure in discretionary categories. In addition, Costco's focus on a limited assortment and high inventory turnover can help reduce markdown risk compared with retailers carrying a broader, more fashion-oriented inventory mix. The company's warehouse model, with large boxes and relatively simple store layouts, also tends to support operational efficiency and labor productivity.

From a margin perspective, Costco's operating margin is typically lower than that of some specialty retailers because it passes much of its purchasing power back to customers in the form of lower prices. However, the recurring and high-margin nature of membership fee income helps support overall profitability. Competitors that lack a similar membership structure sometimes rely more heavily on merchandise margin and promotional activity, which can be more sensitive to economic cycles. Costco's model has historically shown resilience across different macroeconomic environments, including periods of heightened inflation and shifting consumer spending patterns.

Scale is another important differentiator. With hundreds of warehouses in the United States and a growing international footprint, Costco can leverage significant purchasing power with suppliers. This scale advantage can be particularly valuable in categories like groceries, consumer packaged goods and certain discretionary items, where unit volumes matter. By contrast, smaller regional warehouse club operators and general merchandise retailers may find it more challenging to match Costco's combination of price, quality and assortment. At the same time, large competitors such as Walmart maintain their own scale advantages, leading to ongoing price competition in core categories.

Customer demographics also play a role in the competitive positioning. Costco's membership base often includes higher-income households relative to some discount retailers, which can support demand for higher-margin categories like electronics, appliances and travel services. Even so, the company has continued to emphasize everyday value on staples, aiming to retain and grow membership across income segments. Other retailers may lean more heavily on promotional events or loyalty programs tied to credit cards, while Costco largely relies on the perceived value of the membership itself and a straightforward, low-markup pricing strategy.

While competition remains intense, the latest quarter and subsequent May sales update suggest that Costco is maintaining its position in the U.S. retail landscape. The combination of strong renewal rates, positive traffic trends and disciplined expansion continues to differentiate the company among warehouse clubs and general merchandise peers. For now, the key question for many market participants is less about the health of the underlying business and more about how to assess the stock's valuation in light of this performance.

Valuation and market perspective after earnings

Costco's stock has generally traded at a premium valuation compared with many U.S. retail peers, reflecting the market's appreciation of its membership-driven business model, historical consistency and balance sheet strength. On common valuation metrics such as price-to-earnings and enterprise-value-to-EBITDA, the shares often command higher multiples than broader retail and consumer discretionary averages. The latest quarterly results, which showed solid revenue growth and a meaningful year-over-year increase in earnings per share, reinforced the fundamental story but also kept the valuation debate alive among U.S. investors.

Some analysts argue that Costco's premium multiple is justified by its track record of steady comparable sales growth, high renewal rates and disciplined capital allocation. They point to the company's ability to generate strong cash flow while still investing in new warehouses, digital capabilities and employee compensation. Others emphasize that the premium leaves less margin for error if growth were to slow or if consumer behavior shifted more sharply toward lower-cost alternatives or online-only channels. The conversation around valuation therefore often centers not only on near-term results but on how sustainable the current growth and membership economics will be over a longer horizon.

The market's reaction to the fiscal third quarter earnings release and subsequent May sales data was influenced by these valuation considerations as well as the headline numbers. While the earnings beat and healthy sales growth were broadly viewed as positives, some commentary focused on whether the results were already largely priced in, given the stock's prior performance. In this context, incremental data points on membership, traffic and category-level performance can move sentiment at the margin, especially when expectations are high. The regular release of monthly sales figures adds another layer of information that investors can use to adjust their views between quarterly reports.

Costco's balance sheet and financial policy also feed into the valuation discussion. The company typically maintains modest leverage and a strong credit profile, which can be attractive to investors during periods of macroeconomic uncertainty. At the same time, the combination of a regular dividend, occasional special dividends and share repurchases has historically provided an additional element of return beyond earnings growth alone. How management balances these capital allocation levers with ongoing investment needs will remain a focal point for the market, particularly if the economic environment or competitive dynamics shift.

For investors following the stock after the latest earnings and sales releases, the interplay between solid operating performance and a premium valuation is likely to stay central. The recent data have reinforced Costco's reputation for resilient growth and member loyalty, but they also highlight the importance of monitoring how consumer trends, competition and company strategy evolve over time. As new monthly sales data and the next set of quarterly figures become available, these will provide further evidence on whether the current growth trajectory and profitability profile can support the valuation levels that the market has assigned to Costco Wholesale Corporation.

Overall, the recent fiscal third quarter earnings and May sales update underline Costco's role as a key player in U.S. and international retail, with a membership-based model that continues to deliver growth and high renewal rates even in a cautious consumer environment. The stock's prominence in the S&P 500 and its premium valuation profile mean that each new data point on sales, membership and margins is likely to attract close attention from U.S. retail investors and analysts alike as they reassess their views on Costco Wholesale Corporation.

Costco Wholesale at a glance

• Name: Costco Wholesale Corporation
• Industry: Warehouse clubs and discount wholesale retail
• Headquarters: Issaquah, Washington, United States
• Core markets: United States, Canada, Europe, Asia-Pacific and other international regions
• Revenue drivers: Membership fees, in-warehouse merchandise sales, fuel sales, e-commerce and ancillary services
• Listing: Nasdaq, ticker symbol COST, component of the S&P 500 index
• Trading currency: U.S. dollar (USD)

This article was created with a.i. assistance and editorially reviewed. Not investment advice, not a buy or sell recommendation. Trading in securities carries risks up to the total loss of capital.