Is ARM Stock Still a Smart Bet After Its Record Q2 Results?

ARM Holdings reported record second-quarter revenues of $1.14 billion, a 34% year-over-year increase driven by robust royalty and licensing growth, particularly from AI-driven data centers and edge devices. Despite these strong results, the stock declined 7% post-earnings, as investors expressed concerns over its elevated valuation (forward P/S of 28.52), substantial R&D investments ($648 million, up 31%), and the sustainability of profit expansion, suggesting that near-term upside may be limited despite its central role in the AI ecosystem.

Analysis

Arm Holdings reported robust Q2 fiscal 2026 results, with revenues reaching a record $1.14 billion, marking a 34% year-over-year increase and surpassing estimates by 6.5%. This strong performance was driven by significant growth in both royalty revenues, up 21% to $620 million, and licensing revenues, which climbed 56% to $515 million, underscoring ARM's expanding role in the AI ecosystem across devices and data centers. Non-GAAP operating income rose 43% to $467 million, improving the operating margin to 41.1%.

Despite these record figures and strong execution, ARM's stock declined approximately 7% post-earnings, reflecting investor caution. The company's strategic partnerships with Meta Platforms and its integral role in custom silicon projects for hyperscalers like NVIDIA, AWS, Google, and Microsoft highlight its foundational position in AI innovation and energy-efficient computing. The proliferation of its Neoverse platform and new CSS licenses further solidify its market presence.

However, investor concerns center on the company's elevated valuation, with a forward price-to-sales ratio of 28.52, significantly above the industry average of 7.78. Furthermore, substantial R&D investments, which increased 31% year-over-year to $648 million, are seen as essential for maintaining leadership but could pressure near-term margins if top-line growth decelerates.

The Q3 FY26 revenue guidance of $1.175 billion to $1.275 billion, implying about 25% YoY growth, indicates continued demand, yet the market's lukewarm response and a Zacks Rank #4 (Sell) rating suggest that sustainable profit expansion and current valuation remain key investor hurdles. The current setup favors caution, with potential re-entry opportunities tied to improved growth and profitability alignment.

Key Decisions for Investors

• Investors should exercise caution given ARM's elevated forward price-to-sales ratio of 28.52, significantly above the industry average, despite strong revenue growth.
• Monitor the sustainability of profit expansion and the impact of substantial R&D investments on future margins, as these are key investor concerns.
• Consider waiting for a more favorable entry point or clear indications of margin stabilization and valuation alignment before making new investments.