8-K: SentinelOne Surpasses $1B ARR, Raises FY26 Revenue Outlook

SentinelOne announced strong Q2 FY26 financial results, exceeding $1 billion in Annualized Recurring Revenue and raising its full-year revenue guidance.

Summary

• Total revenue for Q2 FY26 increased 22% year-over-year to $242.2 million.
• Annualized Recurring Revenue (ARR) grew 24% year-over-year, reaching $1.0 billion as of July 31, 2025.
• The number of customers with ARR of $100,000 or more increased by 23% to 1,513.
• Non-GAAP operating margin improved significantly to 2% in Q2 FY26, compared to (3)% in Q2 FY25, achieving profitability.
• Non-GAAP net income margin reached 5% in Q2 FY26, up from 2% in Q2 FY25.
• The company announced the acquisition of Prompt Security, an AI runtime security pioneer, to enhance its generative AI security offerings.
• SentinelOne launched 'SentinelOne Flex' to optimize security spend with agility and simplicity, offering quarterly flexibility and streamlined management.
• Purple AI, the generative-AI Security Analyst assistant, is growing triple-digits with record high attach rates.
• Approximately 50% of quarterly bookings came from emerging products including Data, AI, and Cloud solutions.

Sentiment

Score: 9

Explanation: The filing indicates very strong financial performance with significant growth in revenue and ARR, achievement of non-GAAP operating and net income profitability, and a raised full-year revenue outlook. Strategic acquisitions and product innovations further bolster a positive outlook, despite minor declines in non-GAAP gross margin and consistent negative free cash flow for the quarter.

Positives

• Achieved $1.0 billion in Annualized Recurring Revenue (ARR), a 24% year-over-year increase.
• Reported a 22% year-over-year increase in total revenue, reaching $242.2 million.
• Successfully achieved non-GAAP operating profitability with a 2% operating margin, a 500+ basis point improvement year-over-year.
• Achieved non-GAAP net income profitability with a 5% net income margin, up from 2% in the prior year.
• Raised the full-year fiscal year 2026 revenue outlook, demonstrating strong business momentum.
• Reaffirmed commitment to full-year operating profitability and free cash flow.
• Customers with ARR of $100,000 or more grew 23% to 1,513, indicating strong enterprise adoption.
• Record net new ARR was delivered, reflecting a 22% year-over-year growth in new business generation.
• The acquisition of Prompt Security strategically expands AI runtime security capabilities for generative AI.
• The launch of SentinelOne Flex offers customers greater flexibility and simplified management of security spend.
• Purple AI is experiencing triple-digit growth and record high attach rates, highlighting strong product differentiation.
• Trailing-twelve month operating cash flow margin improved to 4% from 2%, and free cash flow margin improved to 2% from (1)% year-over-year.

Negatives

• GAAP gross margin remained flat at 75% year-over-year.
• Non-GAAP gross margin slightly decreased to 79% from 80% year-over-year.
• Operating cash flow margin for Q2 FY26 was 0%, a slight decrease from 1% in Q2 FY25.
• Free cash flow margin for Q2 FY26 remained negative at (3)%, consistent with Q2 FY25.

Risks

• Limited operating history and a history of losses.
• Intense competition in the cybersecurity market.
• Fluctuations in operating results.
• Actual or perceived network or security incidents against the company.
• Actual or perceived defects, errors, or vulnerabilities in the platform.
• Challenges in successfully integrating acquisitions and strategic investments.
• Risks associated with managing rapid growth.
• Impact of general global, political, economic, and macroeconomic climate, including changes in U.S. federal spending, political/regulatory developments, trade policy, banking industry instability, supply chain disruptions, recession, inflation, and interest rate volatility.
• Geopolitical conflicts around the world.
• Ability to attract new and retain existing customers, or renew and expand relationships.
• The ability of the platform to effectively interoperate within customers' IT infrastructure.
• Disruptions or other business interruptions affecting platform availability, including cybersecurity incidents.
• Failure to timely develop and achieve market acceptance of new products and subscriptions.
• Rapidly evolving technological developments in the security market.
• Length of sales cycles.
• Risks of securities class action litigation.

Future Outlook

SentinelOne is providing Q3 FY26 revenue guidance of $256 million and full FY26 revenue guidance of $998 million to $1,002 million, representing 22% year-over-year growth for both periods. The company expects Q3 FY26 non-GAAP gross margin of 78.5% and non-GAAP operating margin of 4%. For the full FY26, non-GAAP gross margin is projected to be 78.5% to 79%, and non-GAAP operating margin is expected to be 3%. The full-year revenue outlook has been raised, and the company reaffirms its commitment to full-year operating profitability and free cash flow, despite anticipated FX headwinds and acquisition-related impacts on operating margin.

Management Comments

• "We surpassed $1 billion in ARR and delivered record net new ARR, continuing to deliver robust growth and platform adoption across AI, data, cloud, and endpoint." Tomer Weingarten, CEO
• "Our second-quarter results highlight the momentum of our AI-powered platform, strengthening competitive position, and growing product differentiation." Tomer Weingarten, CEO
• "With relentless focus on innovations unifying AI, data, and security, SentinelOne is at the forefront of AI-powered cybersecurity – delivering high growth, driving operating leverage, and expanding our leadership in the industry." Tomer Weingarten, CEO
• "We continued to deliver top-tier growth and margin expansion, underscoring the scalability of our model and operating leverage." Barbara Larson, CFO
• "Our strategic investments and focus on operational excellence position us well to deliver durable growth and sustained profitability." Barbara Larson, CFO
• "Based on our second-quarter outperformance and business momentum, we’re raising our full-year revenue outlook and reaffirming our commitment to full-year operating profitability and free cash flow." Barbara Larson, CFO

Industry Context

SentinelOne's strong performance, particularly in ARR growth and the strategic acquisition of Prompt Security, positions it well within the rapidly evolving cybersecurity landscape. The focus on AI-powered solutions, including the success of Purple AI and the expansion into generative AI security, aligns with the industry's shift towards more autonomous and intelligent threat detection and response. The company's ability to achieve non-GAAP operating profitability while maintaining high growth rates demonstrates effective execution in a competitive market driven by increasing digital transformation and sophisticated cyber threats. The introduction of SentinelOne Flex also addresses a growing market need for flexible and cost-effective security solutions, especially as organizations seek to optimize spend amidst economic uncertainties.

Comparison to Industry Standards

• Recognized as a Leader in the 2025 Gartner Magic Quadrant for Endpoint Protection Platforms for the 5th consecutive year, indicating sustained strong performance against competitors like Palo Alto, Microsoft, Sophos, and Trend Micro.
• Achieved 100% Protection & Detection, 100% Technique, and 100% Real-Time in the 2024 MITRE ATT&CK Evaluations, demonstrating superior threat detection capabilities compared to the median across all vendors, with 88% less noise.
• Named a Leader in the G2 Grid for Cloud-Native Application Protection Platform (CNAPP) with a 4.9 out of 5 rating, showcasing strong customer satisfaction and competitive standing in cloud security.
• Received the 2024 Gartner Customers Choice for Cloud-Native Application Protection Platforms (CNAPP) with a 98% willingness to recommend rating from user reviews, highlighting strong customer endorsement.
• Recognized as the Growth and Innovation Leader in the 2025 Frost & Sullivan Radar for Endpoint Security, indicating strong market position and innovation compared to peers.
• An IDC Custom Solutions study demonstrated that SentinelOne's Purple AI delivers a 338% three-year return on investment, 55% faster remediation of security threats, and a 60% reduced likelihood of major security events for customers, providing a quantifiable advantage over traditional security operations.

Legal Proceedings

• A framework for a final settlement and resolution was discussed during the six months ended July 31, 2025, with the Israel Tax Authorities (ITA) as part of ongoing bilateral Advance Pricing Agreement negotiations with the U.S. Internal Revenue Service and ITA, resulting in a $136.0 million tax charge (no finalized resolution or agreement has been reached).

Stakeholder Impact

• **Shareholders**: Positive impact due to strong financial performance, raised revenue outlook, and achievement of profitability, potentially leading to increased share value.
• **Customers**: Benefit from enhanced AI-powered security solutions, including the acquisition of Prompt Security for GenAI protection and the flexibility offered by SentinelOne Flex, improving their security posture and operational efficiency.
• **Employees**: Continued growth and strategic acquisitions may create new opportunities and stability within the company.
• **Investment Professionals/Analysts**: Provided with clear, positive financial results and forward-looking guidance, supporting investment decisions and analysis.

Next Steps

• Host a live audio webcast for analysts and investors on August 28, 2025, at 1:30 p.m. Pacific Time (4:30 p.m. Eastern Time) to discuss earnings results and outlook.
• Continue to integrate Prompt Security to enhance generative AI security offerings.
• Focus on driving durable growth and sustained profitability through strategic investments and operational excellence.
• Monitor and update disclosure channels for material nonpublic information on the investor relations page of the company's website.

Key Dates

Recommendation

SentinelOne has demonstrated exceptional performance, surpassing $1 billion in ARR and achieving non-GAAP operating and net income profitability ahead of expectations. The company raised its full-year revenue outlook, indicating strong business momentum and confidence. Strategic moves like the acquisition of Prompt Security and the launch of SentinelOne Flex position it favorably in the high-growth AI and cloud security markets. The consistent growth in high-value customers and strong industry accolades further reinforce its competitive advantage. While free cash flow remains negative for the quarter, the trailing-twelve-month free cash flow has turned positive, signaling improving financial health. These factors collectively suggest a strong investment opportunity.

Keywords

Cybersecurity, Endpoint Protection, AI Security, Generative AI, XDR, Cloud Security, SaaS, ARR Growth, Profitability, SentinelOne, S, Prompt Security, Singularity Platform