February 12, 2026 — Leads & Copy — Arista Networks, Inc. (NYSE: ANET) has announced its financial results for the fourth quarter and full year ending December 31, 2025. The company reported revenue of $2.488 billion for the fourth quarter, a 7.8% increase compared to the third quarter of 2025 and a 28.9% increase from the fourth quarter of 2024.
For the full year, Arista reported revenue of $9.006 billion, a 28.6% increase compared to fiscal year 2024.
“2025 was the year of validation of our Arista 2.0 momentum, as we hit the milestone of shipping a cumulative of 150 million ports,” said Jayshree Ullal, Chairperson and CEO of Arista Networks. “We exceeded both our AI networking and campus expansion goals, delivering profitable growth and revenue of $9 billion.”
GAAP gross margin for the fourth quarter was 62.9%, compared to 64.6% in the third quarter of 2025 and 63.8% in the fourth quarter of 2024. Non-GAAP gross margin was 63.4%, compared to 65.2% in the third quarter of 2025 and 64.2% in the fourth quarter of 2024.
GAAP net income for the fourth quarter was $955.8 million, or $0.75 per diluted share, compared to $801.0 million, or $0.62 per diluted share, in the fourth quarter of 2024. Non-GAAP net income was $1.047 billion, or $0.82 per diluted share, compared to $849.6 million, or $0.66 per diluted share, in the fourth quarter of 2024.
GAAP gross margin for the full year was 64.1%, consistent with fiscal year 2024. Non-GAAP gross margin was 64.6%, also consistent with fiscal year 2024.
GAAP net income for the full year was $3.511 billion, or $2.75 per diluted share, compared to $2.852 billion, or $2.23 per diluted share, in fiscal year 2024. Non-GAAP net income was $3.806 billion, or $2.98 per diluted share, compared to $2.971 billion, or $2.32 per diluted share, in fiscal year 2024.
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Arista Virtual Ethernet Segment with Proxy ARP (Arista VESPA) enables customers to deploy large-scale WLAN mobility domains.
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With the combined power of open standards like MCP and the robust data and programmability of Arista’s EOS and NetDL, organizations are empowered to build, manage, and secure the networks of the future.
VeloCloud enables customers to securely and efficiently interconnect data centers and distributed campus/branch offices while complementing Arista’s existing portfolio.
Gartner positioned Arista Networks as the vendor with the highest Ability to Execute in the Magic Quadrant™ for Data Center Switching.
Todd Nightingale was appointed President and Chief Operating Officer, Kenneth Duda was promoted to President and Chief Technology Officer, and Tyson Lamoreaux was appointed Senior Vice President of Cloud and AI Networking.
For the first quarter of 2026, Arista expects revenue of approximately $2.6 billion, non-GAAP gross margin between approximately 62-63%, and non-GAAP operating margin of approximately 46%.
“Our Q4 results underscore the strong operating leverage inherent in our model, providing a powerful exit rate as we head into 2026,” said Chantelle Breithaupt, Arista’s CFO. “By pairing 29% revenue growth with a disciplined 47.5% operating margin, Arista achieved a historic milestone: surpassing $1 billion in quarterly net income. Congratulations to the team.”
Arista’s executives will discuss the fourth quarter and year end 2025 financial results on a conference call at 1:30 p.m. Pacific time today. To listen to the call via telephone, dial (888) 330-2502 in the United States or +1 (240) 789-2713 from international locations. The Conference ID is 5655862. The financial results conference call will also be available via live webcast on Arista’s investor relations website at https://investors.arista.com/.
Source: Arista Networks
