Long-Term Stock Portfolio: 15 Best Stocks for 20 Years

4. Costco Wholesale Corporation (NASDAQ:COST)

Costco Wholesale Corporation (NASDAQ:COST) is one of the best stocks for 20 years. On March 5, Costco reported financial performance for FQ2 2026, with net sales rising 9.1% to $68.24 billion. Net income for the twelve weeks reached $2.03 billion, or $4.58 per diluted share, up from $1.79 billion in the same quarter last year. These results contributed to a strong H1, with total net sales for the 24 weeks climbing to $134.22 billion. The company’s membership fees also jumped and reached $1.35 billion for the quarter, compared to $1.19 billion previously.

Comparable sales figures highlighted robust growth across all geographic segments, with the total company seeing a 7.4% increase during FQ2. On an adjusted basis, which excludes the impact of gasoline prices and foreign exchange, international markets performed particularly well, with Other International and Canada segments showing strong momentum. Furthermore, Costco’s digitally-enabled sales continued to be a major growth driver, posting an impressive 22.6% increase for the quarter.

As of March, Costco Wholesale Corporation’s (NASDAQ:COST) global footprint has expanded to 924 warehouses, with a heavy concentration in the US and Puerto Rico, alongside a growing presence in markets like Canada, Mexico, Japan, and China. The company’s balance sheet remains solid, with cash and cash equivalents totaling $17.38 billion at the end of the quarter.

Costco Wholesale Corporation (NASDAQ:COST), together with its subsidiaries, engages in the operation of membership warehouses in the US, Puerto Rico, Canada, Mexico, Japan, the UK, Korea, Australia, Taiwan, China, Spain, France, Iceland, New Zealand, and Sweden.