Costco’s $297 Billion Party: How Bulk Shopping Became a Lifestyle

Costco Wholesale Corporation continues to defy retail gravity, posting a 10% sales increase to $297.2 billion in fiscal 2026. With membership fees soaring and warehouses expanding globally, Costco proves that bigger really is better.

In a world where retail giants stumble, Costco Wholesale Corporation (NASDAQ: COST) is the exception. The warehouse retailer’s fiscal 2026 results are in, and they’re as impressive as a 55-gallon drum of mayonnaise. Net sales hit $297.2 billion, membership fees climbed 11% to $5.9 billion, and the company opened 25 new warehouses worldwide. But behind these eye-popping numbers lies a simple truth: Costco has turned bulk shopping into a lifestyle.

The Membership Economy: Why Paying to Shop Works

Costco’s membership model is the golden goose of retail. With renewal rates at 92.3% in the U.S. and Canada, it’s clear that customers aren’t just shopping—they’re subscribing to a way of life [1]. The company’s Executive members, who pay extra for 2% cashback on purchases, now account for 75.2% of worldwide sales. It’s a brilliant strategy: the more you spend, the more you save, and the more Costco profits.

In 2026, Costco raised its annual membership fee in select markets, a move that barely dented its renewal rates. The company’s ability to increase prices without losing customers is a testament to its brand loyalty and the perceived value of its offerings [2].

Gasoline and Groceries: The Twin Engines of Growth

Costco’s gasoline business accounted for 11% of total net sales in 2026, a figure that underscores the importance of its ancillary services [3]. The company’s low-cost fuel attracts foot traffic, while its grocery aisles keep customers coming back. Higher gasoline prices and inflation in food costs have been a double-edged sword, boosting sales but squeezing margins.

Still, Costco’s gross margin percentage dipped only slightly, from 11.12% to 11.09%, thanks to its efficient supply chain and pricing power [4]. The company’s ability to navigate inflationary pressures while maintaining profitability is a masterclass in retail management.

Expanding the Empire: From Iceland to New Zealand

Costco’s global footprint grew in 2026, with 25 new warehouses added across the U.S., Canada, and international markets. The company now operates 939 warehouses worldwide, including locations in Iceland and New Zealand—countries not typically associated with bulk shopping [5].

This expansion comes with risks, as international operations face currency fluctuations and geopolitical uncertainties. However, Costco’s ability to adapt its model to diverse markets has been a key driver of its success.

What’s Next for Costco?

Costco’s fiscal 2027 plans include opening up to 33 new warehouses and spending $7.5 billion on capital expenditures [6]. The company also increased its quarterly dividend by 13% to $1.47 per share, rewarding shareholders for their patience.

But the retail landscape is changing, with e-commerce giants and discount chains encroaching on Costco’s turf. The company’s digitally-enabled sales grew 20.9% in 2026, a sign that it’s adapting to the shift online. If Costco can maintain its physical dominance while expanding its digital presence, it will remain a retail powerhouse for years to come.