Costco reports a sales jump in September, with digitally enabled growth rising faster than store revenue

Costco Wholesale’s latest monthly operating update points to a familiar pattern for the warehouse club model, strong in-store demand paired with quicker expansion through digital channels. In a September sales report covering the five weeks ended October 4, 2026, Costco said net sales totaled $30.02 billion, up 13% from the prior year period.

The company also highlighted that digitally enabled sales increased 19% year over year. Digitally enabled sales generally refer to transactions influenced by Costco’s digital systems, such as online orders and other commerce paths that are supported by its digital infrastructure, even when the fulfillment may still occur through the company’s existing retail network.

Because digitally enabled sales grew faster than overall sales, the mix shift is likely to matter for how investors evaluate Costco’s near-term momentum. While a 13% rise in net sales indicates continued strength in core demand, the faster 19% expansion suggests that customer behavior is increasingly flowing through channels that Costco can scale without adding equivalent physical footprint.

The report also mentioned Hohem’s launch, but the details of what was launched and how it relates to Costco’s merchandising strategy were not included in the material available for this story. Without further information on the product category, timeline, or performance expectations, it is not possible to assess how much contribution that launch made to the month’s results.

In general, investors tend to look beyond headline sales growth at warehouse retailers to judge whether the business is sustaining its cadence: comparable demand, effective pricing, and inventory execution across a narrow set of high-turn categories. In Costco’s case, the digital growth differential could be interpreted as evidence that more shoppers are engaging with the retailer through digital touchpoints, which may help broaden reach and reduce friction for repeat purchases.

Still, the update raises questions about what it will take to convert faster digital growth into durable profitability. Digital commerce can introduce different cost structures, such as fulfillment logistics, technology spending, and customer acquisition or engagement efforts. The market-news framing of the update suggests that investors may want to see additional clarity on how Costco intends to sustain digital momentum without eroding margins, but the disclosed information available here does not break out profitability by channel or provide guidance.

Costco did not, in the available post, provide a detailed breakdown of the components of digital growth, such as which categories drove the 19% figure, whether the acceleration was broad-based or concentrated, or how the company expects digital to perform in the next reporting period. It also did not disclose any updated forecast or explicit milestones for its digital roadmap in this material.

For the next catalyst, investors may focus on whether Costco can keep digital growth aligned with or above overall sales growth in subsequent period results. They may also look for any management commentary on digital mix, fulfillment improvements, and the role of new product launches like the one mentioned in the report, to gauge whether the early momentum translates into sustained execution.