Arista Networks' stock gained 76% in a year, but the real story was hidden in its balance sheet months earlier: purchase commitments for AI chips were climbing, and a backlog of unbooked revenue from major customer projects was swelling—clear signs the company was preparing for an AI boom. The deferred revenue grew by $320 million（約510億円）, $150 million（約240億円）, and $219 million（約350億円） across three consecutive quarters, while chip orders jumped to $3.5 billion（約5600億円） by Q1 2025, revealing demand that had not yet hit the income statement.
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Arista's purchase commitments—legally binding orders for future inventory, mostly high-end chips—jumped to $3.1 billion（約5000億円） by the end of Q4 2024 (up from $2.4 billion（約3800億円） the prior quarter), then hit $3.5 billion（約5600億円） in Q1 2025. Separately, the company's product deferred revenue (sales shipped but not yet officially booked due to acceptance clauses) grew by $320 million（約510億円） in Q3 2024, $150 million（約240億円） in Q4, and $219 million（約350億円） in Q1 2025. Management explicitly tied the chip orders to "purchases for chips related to new products and AI deployments."
Why it matters
These two balance-sheet signals—rising chip commitments and a growing pile of unbooked revenue—telegraphed heavy AI demand long before earnings showed it. The deferred revenue specifically reflected large, complex AI projects underway with major customers that would eventually turn into recognized revenue. The CEO likened the pattern to a 2016 cloud boom, signaling a structural shift in customer demand rather than a temporary spike. For businesses tracking networking stocks, this shows that financial statements can reveal demand signals before they appear in official results.
What to watch
Arista is targeting $1.5 billion（約2400億円） in AI centers revenue for 2025 and has customers heading towards 50,000 GPU deployments. The company is managing this growth while holding its margins—a contrast to some legacy networking peers who are seeing profitability pressure as they pivot to hyperscaler AI architectures. One practical signal investors watch: companies that raise their own guidance in real time, tracked by Guidance Momentum rankings.
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