Costco Q3 Revenue Surges 11.6% Amid Membership Expansion And Institutional Buying

• Costco reported Q3 FY2026 revenue of $69.15B, up 11.6% YoY, driven by strong comparable sales growth of 9.8% and a 10.7% increase in membership fee income.
• Jim Cramer advises investors to reduce concentration in AI infrastructure stocks, citing expected volatility until the November midterm elections, and recommends diversifying into aerospace, fintech, healthcare, and energy infrastructure sectors for better risk-adjusted returns.
• Nissay Asset Management Corp Japan increased its stake in Costco, signaling institutional confidence despite ongoing investor debates regarding the retailer's premium valuation and competitive pressures from discount rivals.
• EPS of $4.93 slightly missed forecasts, but net income rose 15% to $2.19B, supported by Executive membership expansion despite slight gross margin compression from strategic pricing.
• The company plans to continue its strategy of warehouse expansion and digital enhancements to support future growth.

Costco Wholesale Corp (COST) reported Q3 FY2026 results showing robust top-line growth. Net income increased 15% year-over-year to $2.19 billion. Revenue reached $69.15 billion, representing an 11.6% increase from the prior year period. Comparable sales rose 9.8% overall, or 6.6% when adjusted for foreign exchange and gasoline prices.

A key driver of profitability was membership fee income, which grew 10.7%, fueled by the expansion of Executive memberships. This recurring revenue stream helped offset a slight compression in gross margins, attributed to the company's strategic pricing decisions aimed at maintaining value for members. The company maintained a strong return on equity of 30% .

Earnings per share (EPS) came in at $4.93, missing the consensus forecast of $4.98 by approximately 1%. However, the overall financial health remains strong with significant growth in net income. Looking ahead, Costco provided FY2026 guidance for EPS of $20.52 and revenue of $299.15 billion. For FY2027, the company forecasts EPS of $22.54 and revenue of $323.09 billion .

The company plans to continue its strategy of warehouse expansion and digital enhancements to support future growth. This expansion is critical as the retailer navigates a competitive landscape where discount stores are gaining ground. The membership model remains the core differentiator, allowing Costco to sustain high renewal rates even during periods of economic uncertainty.

Institutional investors are taking notice of these fundamentals. Nissay Asset Management Corp Japan has purchased shares of Costco Wholesale Corporation (COST), as reported in a recent SEC filing. This institutional buying activity occurs amid a period of heightened scrutiny regarding Costco's stock performance and valuation metrics .

The retailer, trading with a price-to-earnings ratio above 45, has faced commentary questioning whether its premium valuation is justified given recent underperformance and increased competition from discount stores. Jim Cramer and other market commentators have suggested that Costco may have lost some of its competitive edge, leading to sensitivity around growth slowdowns or membership appeal .

However, insider activity and institutional purchases like this one provide counter-narrative support. For context, Director Kenneth Denman recently sold 885 shares, reducing his position by 15.62%, while the company continues to return capital to shareholders through dividends, with the most recent $1.47 quarterly dividend paid in August. The stock has traded within a range of $844.06 to $1,096.50 over the past twelve months, with current technical indicators showing a 50-day simple moving average of $942.45 .

The purchase by Nissay highlights the divergence in market sentiment between those concerned about valuation and those recognizing the long-term structural strengths of Costco's membership model and supply chain efficiency. This institutional buying activity suggests that large asset managers view Costco as a defensive holding with strong long-term fundamentals.

While Costco focuses on its core retail operations, broader market dynamics are shifting. CNBC's Jim Cramer argues that investor concentration in artificial intelligence stocks has become excessive, urging a strategic pivot over the next two months. He warns that the intense focus on data centers, coupled with a growing backlash against them, is obscuring profitable opportunities in other sectors.

While Cramer is not exiting AI infrastructure holdings entirely, he cautions that these stocks are likely to remain choppy at least until the midterm elections conclude. His advice is to maintain a minimal position in AI to avoid overexposure while capitalizing on undervalued assets elsewhere. This includes sectors like aerospace, fintech, healthcare, and energy infrastructure .

In aerospace, Cramer highlights GE Aerospace’s $11.75 billion acquisition of Consolidated Precision Products. He views this deal as a strategic move to strengthen supply chain resilience and accelerate production, which could indirectly benefit major customer Boeing as it navigates its order backlog. In fintech, Cramer identifies Robinhood and Affirm as standout opportunities .

He notes Robinhood’s competitive advantage lies in its ability to retain younger investors, while Affirm’s strength is derived from its scale of 28 million active customers and partnerships with major retailers like Amazon, Costco, Walmart, and Apple. The mention of Costco in Affirm's partnership network underscores the retailer's integral role in the broader consumer fintech ecosystem .

In healthcare, Cramer points to Hinge Health and Medtronic. He specifically criticizes Medtronic’s stock performance, noting that despite better-than-expected earnings, the share price failed to react positively, presenting a potential mispricing opportunity. Finally, he recommends energy infrastructure names Enbridge and Enterprise Products Partners .

He cites their dividend yields exceeding 5% and their strategic positioning to benefit from global energy route adjustments amid tensions near the Strait of Hormuz. Conversely, he expresses caution on Amgen following a 10% share drop after Novartis disclosed a failed late-stage trial for a competing cholesterol drug. These sector rotations highlight the complex environment in which retailers like Costco must operate .

Costco's resilience is tested by these macroeconomic and sector-specific headwinds. The company's ability to drive growth through membership fees rather than relying solely on merchandise sales is a key differentiator. This strategy allows it to maintain margins and drive growth through membership fee revenue rather than relying solely on merchandise sales .

As investors scrutinize large-cap retailers for their ability to maintain margins, Costco's efficient supply chain logistics continue to shine. The filing confirms the share purchase, but it does not disclose the specific percentage increase in holdings or the total value of the transaction. The move comes as investors scrutinize large-cap retailers for their ability to maintain margins and drive growth through membership fee revenue .

Costco's strategy of offering low prices to attract and retain members remains a key differentiator in the competitive retail sector. This approach supports the high renewal rates observed during periods of economic uncertainty. The institutional buying activity suggests that large asset managers view Costco as a defensive holding with strong long-term fundamentals .

Despite the slight miss in EPS, the 15% rise in net income and the strong comparable sales growth indicate that Costco's core business is healthy. The expansion of Executive memberships provides a steady stream of recurring revenue that helps buffer against gross margin compression. This financial stability is likely why Nissay Asset Management Corp Japan increased its stake .

The broader market context, characterized by volatility in AI stocks and sector rotations recommended by analysts like Jim Cramer, further enhances Costco's appeal as a stable investment. Investors seeking diversification away from over-concentrated tech positions may find value in Costco's defensive characteristics. The retailer's continued warehouse expansion and digital enhancements promise to support this growth trajectory .

Ultimately, the combination of strong operational performance, institutional confidence, and a resilient business model positions Costco well for the future. While valuation concerns persist among some market commentators, the underlying fundamentals suggest that the premium may be justified by the company's consistent execution. The ongoing partnership with major retailers like Affirm also highlights the expanding reach of the Costco brand .

As the midterm elections approach and market volatility is expected to persist, defensive holdings with strong cash flows and membership loyalty will likely remain in favor. Costco's ability to navigate competitive pressures and maintain its value proposition for members is a testament to its strategic positioning. The recent SEC filing by Nissay Asset Management Corp Japan serves as a vote of confidence in this strategy .

The company's guidance for FY2026 and FY2027 reflects continued optimism. With forecasts for EPS of $20.52 and $22.54 respectively, and revenue growth projected to exceed $300 billion, Costco is poised for sustained expansion. This outlook, combined with the institutional buying activity, suggests that the market remains supportive of the retailer's long-term prospects .

In conclusion, Costco's Q3 FY2026 results demonstrate robust growth driven by membership expansion and strong comparable sales. Despite slight EPS misses and valuation debates, the company's financial health and strategic initiatives support a positive outlook. Institutional investors like Nissay Asset Management Corp Japan are aligning with this view, reinforcing the stock's appeal in a shifting market landscape .