Is Costco Stock a Buy, Hold or Sell After May Sales Results?

Core Insights - Costco Wholesale Corporation's May sales results indicate strong performance, with implications for stock trajectory [1] - The company's membership-driven model and high renewal rates contribute to reliable revenue streams [2] Sales Performance - For the four weeks ending June 1, 2025, comparable sales in the U.S., Canada, and other international markets grew by 4.1%, 3.3%, and 6.6% respectively, leading to a total company comparable sales increase of 4.3% [3] - Net sales for May rose by 6.8% to $20.97 billion, compared to $19.64 billion in the same period last year, following sales improvements of 7% and 8.6% in April and March [3] Membership Growth - Costco's membership fee income continues to grow, with a high renewal rate of 92.7% in key markets, indicating effective customer retention strategies [4] - The retailer had 79.6 million paid household members at the end of Q3 fiscal 2025, a 6.8% year-over-year increase, while executive memberships grew by 9% to 37.6 million [5] E-commerce and Omnichannel Strategy - E-commerce comparable sales surged by 11.6%, with overall e-commerce comparable sales increasing by 14.8% in Q3 [6] - Costco Logistics deliveries increased by 31%, driven by higher volumes of large and bulky items, and the introduction of a Buy Now Pay Later program enhances purchasing flexibility for members [6] Expansion Plans - Costco opened nine warehouses in Q3, with plans for 10 more in the final quarter, aiming for a total of 27 openings in fiscal 2025, bringing the global warehouse count to 914 [7] Financial Performance and Valuation - Costco's stock has increased by 17.1% over the past year, outperforming the industry average of 8.4% [12] - The forward 12-month price-to-earnings ratio stands at 51.44, significantly higher than the industry average of 32.81 and the S&P 500's ratio of 22.02, indicating a premium valuation [13] Analyst Estimates - Analysts have raised their estimates for the current fiscal year by 8 cents to $18.04, with next fiscal year's estimate increasing by 14 cents to $19.90, suggesting year-over-year growth rates of 12% and 10.3% respectively [10]