Arista Networks (ANET) Reports Strong Q3 Earnings


Arista Networks posts strong Q3 results with revenue up 27.5% YoY; expands AI networking leadership and introduces new AI-driven tools.


Key Points

  • Revenue: $2.308 billion (↑ 27.5% YoY; ↑ 4.7% QoQ)
  • GAAP EPS: $0.67 vs $0.58 last year
  • Non-GAAP EPS: $0.75 vs $0.60 last year
  • GAAP gross margin: 64.6%
  • Non-GAAP gross margin: 65.2%
  • GAAP net income: $853 million
  • Non-GAAP net income: $962 million

Guidance (Q4 2025):

  • Revenue $2.3–$2.4 billion
  • Non-GAAP gross margin 62–63%
  • Non-GAAP operating margin 47–48%

Quarter Highlights

  • CEO Jayshree Ullal said Arista’s “centers of data strategy” continues to gain traction, strengthening its position as a strategic networking provider across AI and data-center markets.
  • CFO Chantelle Breithaupt highlighted 25% non-GAAP EPS growth, reflecting both strong demand and disciplined execution.
  • Leadership changes: Kenneth Duda was named President & CTO, expanding oversight of cloud and AI systems engineering; Tyson Lamoreaux joined as SVP of Cloud and AI Networking.
  • AI initiatives:
    • AI Agents launched to automate and streamline network operations, integrating open standards (MCP) with Arista EOS and NetDL.
    • Arista CloudVision AI introduced as an observability blueprint for modern AI workloads, offering end-to-end visibility and intelligence from physical networks to job-level performance.
  • Industry collaboration: Partnered with industry leaders through the Ethernet for Scale-Up Networks (ESUN) initiative—an open OCP workstream for Ethernet-based, standards-driven scale-up solutions.

CEO Statement and Outlook

Ullal emphasized Arista’s durability and positioning amid accelerating AI demand:

“Our centers of data strategy is resonating well across customers and analysts because it delivers a superior client-to-campus-to-cloud and AI centers experience. After yet another strong performance in Q3 2025, Arista is well-positioned as a strategic networking provider with continued durable execution.”


Financial Summary

MetricQ3 2025Q3 2024YoY Change
Revenue$2.308 B$1.811 B+27.5%
GAAP Gross Margin64.6%64.2%+40 bps
Non-GAAP Gross Margin65.2%64.6%+60 bps
GAAP EPS$0.67$0.58+15.5%
Non-GAAP EPS$0.75$0.60+25%
GAAP Net Income$853 M$748 M+14%

Capital Return

  • Repurchased $983 million of common stock during the first nine months of 2025.
  • Cash, cash equivalents, and marketable securities totaled $10.1 billion at quarter-end.

About Arista Networks

Arista Networks is a leading provider of data-driven, client-to-cloud networking for large AI, data center, campus, and routing environments. Its EOS-based platforms deliver agility, automation, analytics, and security through an advanced network operating stack.


Key Takeaways

  • Arista’s AI-centric strategy is delivering measurable growth, with dedicated leadership now focused on AI networking.
  • AI Agents and CloudVision AI mark a major step in embedding AI across network operations and observability.
  • Growth remained broad-based, but margins tightened slightly due to higher R&D investment tied to AI and cloud systems.
  • Guidance suggests steady execution into Q4 with continued focus on scale-out Ethernet and AI-optimized infrastructure.