Down 12%, Should You Buy the Dip on Arista Networks Stock?

Arista Networks (ANET) shares dropped over 12% after its Q3 2025 report, despite slightly exceeding revenue and EPS estimates, as investors reacted negatively to decelerating growth guidance for 2026 and the company's premium valuation. While demand for its AI infrastructure networking equipment remains robust, evidenced by deferred revenue soaring to $4.7 billion and doubled purchase commitments, severe supply chain constraints with lead times extending up to a year are preventing Arista from converting strong order inflow into faster revenue growth, signaling continued stock pressure until these component shortages are resolved.

Analysis

Arista Networks (ANET) reported Q3 2025 revenue of $2.31 billion, up 27.5% year-over-year, and non-GAAP EPS of $0.75, up 25%, both slightly exceeding analyst expectations. Despite the beat, the stock declined over 8% post-earnings and is down 12% since, reflecting investor disappointment with the company's decelerating growth guidance relative to its premium valuation.

The company's guidance projects revenue growth to slow to 22% and earnings growth to 17% year-over-year, with 2026 overall revenue growth expected at 20%, a step down from 26% in 2025. This slowdown, coupled with ANET's expensive valuation of 20 times sales and 51 times earnings, suggests market skepticism regarding its ability to justify current multiples.

A key headwind is severe supply chain constraints, with CEO Jayshree Ullal citing component lead times of 38 weeks to almost a year. This issue prevents Arista from converting robust demand, evidenced by deferred revenue jumping to $4.7 billion and purchase commitments doubling to $4.8 billion, into faster revenue recognition.

Analysts anticipate continued pressure on ANET shares in the near term due to these supply limitations and rich valuation. However, management's assertion of solid demand and the company's position in a $105 billion addressable market suggest significant upside potential once component issues are resolved.

Key Decisions for Investors

• Monitor the resolution of supply chain constraints and component lead times for improved revenue conversion.
• Re-evaluate Arista's valuation (20x sales, 51x earnings) against its decelerating growth guidance, potentially waiting for a further stock pullback.
• Assess the company's ability to convert its substantial deferred revenue ($4.7 billion) into recognized revenue as a key operational indicator.
• Compare Arista's growth prospects and valuation against other players in the AI infrastructure market.