Who Owns Kirkland Signature Motor Oil?

What does Costco own?
Costco Wholesale Corporation owns and operates 923 membership warehouse locations worldwide and owns the Kirkland Signature private label brand. The company also operates Costco Pharmacy, Costco Optical, Costco Travel, Costco Auto Program, and Costco Gasoline as service businesses within its warehouses. Costco's e-commerce platform extends its product offering beyond what is available in warehouses. Kirkland Signature generates approximately $50 billion in estimated annual sales.

Is Costco publicly traded?
Yes, Costco Wholesale Corporation is listed on NASDAQ under ticker COST. The company has been publicly traded since December 1985. Costco has no single controlling shareholder, with major institutional holders including Vanguard Group, BlackRock, and State Street. The company has a single class of common stock with equal voting rights per share. Co-founder James Sinegal reduced his stake significantly after retiring as CEO in 2012.

Who founded Costco?
Costco was founded in 1983 by James Sinegal and Jeffrey Brotman in Seattle, Washington. Sinegal had previously worked at Price Club, the pioneer of the membership warehouse club concept founded by Sol Price in San Diego in 1976. The first Costco warehouse opened in Seattle in September 1983. Costco merged with Price Club in 1993 to form PriceCostco, which was later renamed Costco Wholesale Corporation.

Where is Costco headquartered?
Costco Wholesale Corporation is headquartered in Issaquah, Washington, USA, a suburb of Seattle. The company was originally headquartered in Kirkland, Washington, which is the origin of the Kirkland Signature brand name. Costco operates 923 warehouse locations across the United States, Canada, the United Kingdom, Japan, South Korea, Australia, Spain, France, China, and other countries.

How many warehouses does Costco operate?
As of early 2026, Costco operates 923 warehouse locations worldwide. The United States has approximately 614 warehouses, Canada has approximately 108, and the remaining locations are in the United Kingdom, Japan, South Korea, Australia, Spain, France, China, and other countries. Costco typically opens 20 to 30 new warehouses per year as part of its ongoing expansion program.

Who is the CEO of Costco?
Ron Vachris serves as President and CEO of Costco Wholesale Corporation, having succeeded Craig Jelinek in January 2024. Vachris joined Costco in 1986 and spent his entire career at the company. He served as President from 2011 until becoming CEO. Jelinek had led the company since 2012, succeeding co-founder James Sinegal.

What is Costco's annual revenue?
Costco reported net sales of approximately $254.0 billion for fiscal year 2025 (ended September 1, 2025), up approximately 8% from FY2024. Q1 FY2026 (ended November 24, 2025) net sales were $65.98 billion, up 8.2% year-over-year. Membership fees account for approximately 7% of total revenue but a much larger share of operating income, as the merchandise business operates on very thin margins.