5 Best Stocks to Buy According to Billionaire Bill Gates

4. Ecolab Inc (NYSE:ECL)

Bill & Melinda Gates Foundation Trust Equity Stake: $1.4 Billion

Number of Hedge Fund Holders: 60

Stock Upside Potential: 24.71%

Ecolab Inc (NYSE:ECL) is one of the best stocks to buy according to billionaire Bill Gates. Wall Street sees at least 24% upside in Ecolab shares from the current level.

On May 12, Ecolab Inc (NYSE:ECL) released its 2025 growth and impact report. The report highlights how the company continues to deliver strong business results while deepening its impact on areas that matter most.

On business performance, Ecolab said it delivered record sales, EPS, and cash flow in 2025. On the impact side, the company said it helped conserve 245 billion gallons of water, adding that this amount is equivalent to the annual drinking water needs of more than 849 million people.

Additionally, the company said it helped avoid 4.7 million metric tons of greenhouse gas emissions. This helped reduce pollution-related health risks. Ecolab also said its efforts contributed to improved food safety to protect 1.7 billion people from food illnesses and infections.

Moreover, Ecolab said its products and services generated $12.9 billion in cumulative value. The company also invested $24.2 million globally to strengthen communities where it operates. According to Ecolab, business performance and impact fuel each other.

Ecolab Inc (NYSE:ECL) provides water treatment, sanitation, and hygiene products. Its solutions range from water purification services to cleaning products. It mainly serves commercial customers across industries such as food service, hospitality, healthcare, and manufacturing.