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Is S a good stock to buy? We came across a bullish thesis on SentinelOne, Inc. on r/ValueInvesting by PerformanceProof6161. In this article, we will summarize the bulls’ thesis on S. SentinelOne, Inc.'s share was trading at $14.32 as of April 20th. S’s forward P/E was 42.19 according to Yahoo Finance.

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SentinelOne, Inc. operates as a cybersecurity provider in the United States and internationally. S stands out in the increasingly dangerous and fast-moving AI-driven cybersecurity landscape due to its AI-native architecture, which delivers machine-speed detection, rapid remediation, and a unified data lake across cloud, endpoint, and identity.

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Unlike legacy vendors such as Microsoft and Palo Alto, which patch AI onto older platforms, SentinelOne’s platform was designed from the ground up for AI, allowing it to detect threats with unmatched speed and efficiency. The company’s approach has already proven effective, with Cloudflare switching from CrowdStrike in under 24 hours, top scores in the SACR test, and a 100% detection rate in the MITRE attack test. SentinelOne serves 35% of Fortune 500 companies, including Tesla and Amazon, and its Total Addressable Market is rapidly expanding as organizations increasingly demand simple, integrated, and effective AI-driven cybersecurity solutions.

The company is trading at a steep discount relative to peers, with 3.5x FY27 sales versus 16x for CrowdStrike, a PEG of 0.4, and 78% gross margins expected to improve as it scales. SentinelOne’s balance sheet is strong, with $750 million in cash and no debt, supporting its growth and innovation initiatives.

Emerging AI products are gaining traction, with prompt security ARR doubling quarter-over-quarter, triple-digit growth in data and cloud solutions, and cross-selling adoption surging, as more enterprise customers use multiple SentinelOne solutions. Partnerships with Google Cloud, AWS, Lenovo, and Cloudflare further enhance growth potential.

With accelerating ARR, government authorizations including FedGovRamp, and record net ARR additions, SentinelOne is positioned for rapid market share gains. At modest 20% growth through 2030, revenue could reach $2.5 billion, implying a potential market cap of $18.75 billion—nearly four times today’s valuation. SentinelOne’s combination of cutting-edge AI technology, strong adoption, depressed valuation, and innovation-driven growth makes it a compelling asymmetric investment opportunity, reminiscent of early Palantir.

Previously, we covered a bullish thesis on SentinelOne, Inc. (S) by Matthew | Sycamore Capital in March 2025, which highlighted the company’s AI-driven cybersecurity platform, strong ARR growth, and improving profitability with a pristine balance sheet. S’s stock price has depreciated by approximately 25.99% since our coverage due to the profit outlook below estimates and signaled moderating growth. PerformanceProof6161 shares a similar view but emphasizes SentinelOne’s AI-native architecture, rapid threat detection, and emerging product traction.

SentinelOne, Inc. is not on our list of the 40 Most Popular Stocks Among Hedge Funds. As per our database, 37 hedge fund portfolios held S at the end of the fourth quarter which was 42 in the previous quarter. While we acknowledge the risk and potential of S as an investment, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and doing so within a shorter time frame. If you are looking for an AI stock that is more promising than S and that has 10,000% upside potential, check out our report about this cheapest AI stock.

Disclosure: None.