Costco, O’Reilly, Monster Beverage Post Triple-Digit Five-Year Returns

Costco Wholesale (NASDAQ:COST), O’Reilly Automotive (NASDAQ:ORLY), and Monster Beverage (NASDAQ:MNST) each delivered outsized five-year returns, outpacing the broader market through June 1, 2026. Costco shares have surged 153%, O’Reilly climbed 143%, and Monster gained 85.8% over the period. Costco, the membership-based warehouse retailer, traded at $958.06 per share, or 45.5 times forward earnings. O’Reilly, an auto parts supplier serving DIY and professional mechanics, closed at $87.03, representing a 26.7x forward price-to-earnings ratio. Energy drink maker Monster Beverage commanded a 37.4x forward P/E at $86.92 a share. The three companies have maintained strong sales growth and expanding margins, hallmarks of sustained outperformance. The returns highlight the long-term potential of businesses with durable competitive moats in consumer staples and retail.