A business can dominate today’s headlines and still lose its edge before the next decade ends. Finding the best stocks to buy for the next 20 years means examining which companies can adapt, protect their profits, and keep serving customers as industries change. Artificial intelligence and cloud computing offer substantial opportunities, but healthcare, financial services, consumer spending, and energy infrastructure also belong in the conversation about long-term stocks.
The Digital Economy Still Needs Physical Infrastructure
Behind every AI application sits a network of chips, servers, cooling systems, and electricity connections. The International Energy Agency’s 2025 outlook projected that global data center electricity consumption would more than double to around 945 terawatt-hours by 2030, roughly matching Japan’s electricity use at the time. For investors researching stocks for long-term growth, that links the technology boom to opportunities in power generation and supporting infrastructure. www.iea.org
Healthcare follows another powerful trend. The World Health Organization projects that one in six people worldwide will be at least 60 years old by 2030, suggesting greater needs for treatment, diagnostics, and care. Meanwhile, businesses providing everyday goods, waste collection, and financial services serve recurring needs that can endure through successive technology cycles. The investment challenge is identifying which providers can turn that demand into sustainable earnings. www.who.int
Twenty Years Gives Compounding Room to Work
The mathematics explains the appeal of buy-and-hold stocks. At a hypothetical annual return of 8%, an investment would grow to approximately 4.7 times its starting value over 20 years, before taxes and fees. Real markets follow a bumpier path, and holding an investment longer cannot rescue a deteriorating business.
Strong long-term candidates need competitive advantages, sound finances, and opportunities to reinvest cash profitably. The purchase price also matters because even impressive growth can disappoint investors when expectations are already stretched. A decades-long horizon rewards patience most effectively when it comes with careful valuation and regular checks that the business still deserves its place in the portfolio.
Costco Wholesale Corporation (NASDAQ:COST). ranks 7th in our list of 10 Best Stocks to Buy for the Next 20 Years. Click HERE to find out other stocks on the list.
7. Costco Wholesale Corporation (NASDAQ:COST)
Number of Hedge Fund Holders: 104 | Market Capitalization: $438.3 billion
Customer Loyalty Gives the Membership Model Its Strength
Costco Wholesale Corporation (NASDAQ: COST) turns a familiar retail proposition into a recurring relationship: customers pay for access to merchandise offered at competitive prices. Its limited product selection and high sales volumes are designed to support rapid inventory turnover and purchasing efficiency.
The membership business gives investors a useful way to assess customer loyalty. At the end of fiscal 2026, Costco Wholesale Corporation (NASDAQ: COST) reported renewal rates of 92.3% in the United States and Canada and 89.8% worldwide. Those figures suggest that a substantial majority of measured members continued to see value in renewing.
Long-term growth can come from opening warehouses, attracting members, and increasing spending across the existing network. Maintaining the value proposition is essential, because membership income depends on customers believing the savings and shopping experience justify the fee.
The business model can be durable while the stock remains sensitive to valuation. Investors paying a substantial premium need sustained earnings growth to support that price. For a 20-year investment horizon, membership retention, sales productivity, operating costs, and returns from new locations provide more useful evidence than enthusiasm about the brand alone.
Ranking Rationale
Costco Wholesale Corporation (NASDAQ: COST) holds seventh place with 104 hedge fund holders. Its membership model, customer loyalty, and warehouse expansion opportunities underpin its long-term appeal, while valuation remains an important consideration for prospective shareholders.
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Disclosure: No material interests to disclose. This article was originally published on Global Market Bulletin.
