Key Takeaways Sprouts Farmers Market, Inc. (SFM) and Costco Wholesale Corporation (COST) may differ in scale and strategy, but both are key players in the retail landscape. SFM, with a market capitalization of approximately $15.6 billion and more than 440 stores, specializes in fresh, natural and organic foods tailored to health- conscious consumers. On the other hand, Costco boasts a substantial market capitalization of approximately $414.2 billion, operating on a membership-based warehouse model that focu ...