COST · News · 20260728N

Competition and Market Share

COSTCO WHOLESALE CORP /NEW · 2026-07-28 · Importance 17 · Surprise 24

Numerator data indicates that traditional supermarket operators, including Kroger and Albertsons, lost grocery market share over the past year and two years. Costco, Walmart and Amazon/Whole Foods either increased their share or remained dominant. Similar trends were reported in consumer packaged goods sales, indicating continued competitive gains for warehouse clubs and large omnichannel retailers.

Key facts

• Numerator data shows Kroger and Albertsons experienced a contraction in grocery market share over the past year and two years, while Amazon/Whole Foods, Costco, and Walmart saw their market share increase or remain dominant. source