1. SentinelOne, Inc. (NYSE:S)
Share Price: $18.42
Number of Hedge Fund Holders: 46
SentinelOne, Inc. (NYSE:S) is a leading worldwide cybersecurity company based in Mountain View, California. The company’s AI-powered Singularity Platform enables autonomous threat prevention, detection, and response across endpoints, cloud workloads, and identity credentials. The company has rapidly expanded beyond traditional endpoint protection, now delivering solutions for cloud security, exposure management, identity protection, and its flagship AI security agent, Purple AI. SentinelOne, Inc. (NYSE:S) continues to disrupt the $100 billion cybersecurity sector with rapid innovation and a robust partner ecosystem.
SentinelOne, Inc. (NYSE:S) reported strong performance for the fourth quarter of 2025, ended January 31, 2025. Revenue increased 29% year-over-year to $226 million, with annual recurring revenue (ARR) totaling $920 million. More than half of SentinelOne’s bookings now come from non-endpoint solutions, indicating widespread use of their AI SIEM, cloud, and data security capabilities. The company had record operating margins and positive free cash flow for the entire year. SentinelOne’s Singularity Platform once again stood out in the MITRE ATT&CK Evaluations, obtaining 100% detection with no detection delays and 88% fewer alarms than competitors, demonstrating its real-time, high-fidelity protection.
SentinelOne, Inc. (NYSE:S)’s strategic goals gained traction following two key announcements. On April 24, 2025, the firm announced a new agreement with Nord Security to integrate its endpoint protection with the NordLayer network security technology. This partnership, which is already available through Pax8, allows small and medium-sized organizations (SMBs) to automate the disconnection of compromised devices while seamlessly integrating endpoint and network defense. The firms demonstrated their unified solution at RSAC 2025, demonstrating SentinelOne’s dedication to developing a holistic security ecosystem.
SentinelOne, Inc. (NYSE:S) anticipates reaching a significant milestone in its growth trajectory in fiscal 2026 when both ARR and revenue transcend $1 billion for the first time. By strengthening free cash flow generation, preserving industry-leading gross margins, and expanding its AI-native security products, the company is committed to fostering premium growth. For investors looking for a next-generation leader, SentinelOne (NYSE:S) stands out as one of the best AI cybersecurity stocks under $20 thanks to its distinct technological advantage, award-winning platform, and recent strategic alliances.
Overall, SentinelOne, Inc. (NYSE:S) ranks first on our list of the best cybersecurity stocks to invest in under $20. While we acknowledge the potential of S, our conviction lies in the belief that certain AI stocks hold greater promise for delivering higher returns, and doing so within a shorter time frame. There is an AI stock that went up since the beginning of 2025, while popular AI stocks lost around 25%. If you are looking for an AI stock that is more promising than S but that trades at less than 5 times its earnings, check out our report about this cheapest AI stock.
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