11 Best Mid Cap AI Stocks to Buy Right Now

Page 8 of 10

3. SentinelOne, Inc. (NYSE:S)

Market Cap: $5.26 Billion

Number of Hedge Fund Holders: 44

SentinelOne, Inc. (NYSE: S) is one of the best midcap AI stocks to buy right now. On August 6, 2025, SentinelOne announced an expanded partnership with Mimecast to advance human-centric cybersecurity. The integration connects SentinelOne’s Singularity™ Platform with Mimecast’s Human Risk Management (HRM) solution, enabling enterprises to correlate endpoint telemetry with behavioral insights and email-based threat intelligence. The goal is to strengthen real-time detection, automate risk scoring, and deliver targeted awareness training based on individual user behavior.

This collaboration marks a shift toward more adaptive, user-aware security frameworks. By analyzing how people interact with their environments, through devices, apps, and communications, the combined solution helps identify at-risk users and prioritize them for intervention. SentinelOne’s AI-driven endpoint protection feeds into Mimecast’s analytics to uncover patterns of risky behavior, enhancing both detection and prevention efforts.

SentinelOne is a California-based cybersecurity company that provides autonomous endpoint protection, cloud security, and identity threat detection through its Singularity™ Platform. The company employs artificial intelligence and machine learning to deliver real-time threat prevention, detection, and response at machine speed.

Page 8 of 10