In fiscal year 2025, Kirkland Signature generated $90 billion in annual sales — a figure that represents approximately one-third of Costco's total merchandise revenue and a $15 billion increase from the prior year. To understand how extraordinary that number is, consider what Kirkland Signature is larger than: Procter and Gamble's Tide, the world's best-selling laundry brand, generates approximately $7 billion per year. ConAgra's entire portfolio of brands — Hunt's, Slim Jim,