For those with a penchant for founder-led companies and leading cybersecurity stocks, Fortinet (FTNT -2.26%) is a popular choice. Ken Xie founded Fortinet in 2000 and kept the company private until 2009, when it went public. Fortinet stock has delivered remarkable gains for investors since it debuted on public markets, skyrocketing 4,660% from the time of its IPO through the end of February 2026.
A leading provider of firewall and anti-malware solutions, Fortinet has embraced AI to help protect enterprises through its FortiAI services. Helping customers protect their AI infrastructure, including their models, workloads, data, and supply chain, FortiAI uses generative AI and machine learning to ensure the security of customers' data.
Highly profitable, Fortinet also generates strong free cash flow: $1.9 billion in 2024, then $2.2 billion in 2025. The company foresees continued growth in the coming years, targeting revenue to rise at a compound annual growth rate of more than 12% for the next three to five years.
5. Capital One Financial