15 High Growth Mid-Cap Stocks to Buy

4. Shift4 Payments, Inc. (NYSE:FOUR)

Number of Hedge Fund Holders: 45

Market Capitalization: $5.71 billion

Revenue Growth (5Y): 38.61%

Shift4 Payments, Inc. (NYSE:FOUR) is among the best high growth stocks.

TheFly reported on January 15 that Deutsche Bank downgraded FOUR to Hold from Buy with a $65 price target. The firm expressed doubts about the long-term viability of FOUR’s organic expansion, pointing out that the company is growing riskier and more complicated, with less margin for error.

Similarly, on January 14, Seaport Research analyst Jeff Cantwell lowered the price target on Shift4 Payments, Inc. (NYSE:FOUR) to $89 from $100 and maintained a Buy rating on the stock. As part of its sector outlook for 2026, the firm revised its price goals and coverage of fintech. Seaport saw potential for a share price rebound over the course of the year and emphasized fair valuation multiples throughout the sector.

Shift4 Payments, Inc. (NYSE:FOUR) is a U.S. payment processing and commerce technology company providing omni‑channel payment acceptance, POS systems, and software solutions to merchants worldwide. It serves industries like hospitality, retail, and e‑commerce with secure, integrated platforms that support card, mobile wallet, QR, and analytics services.