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Arista Networks, Inc.: Q3 FY2025 earnings call

What management said about Q3 FY2025, from the documents filed with the SEC on 4 November 2025: press release. Guidance figures: 3 new. The quarter’s numbers.

Key takeaways

  • Revenue rose 27.5% from last year: Revenue was $2.308 billion, up 4.7% from the second quarter and 27.5% from a year earlier. The August release had given approximately $2.25 billion for this quarter. Source
  • Operating expenses rose 36%: Total operating expenses were $512.0 million, against $376.4 million. Research and development was $326.0 million, against $235.8 million, and sales and marketing $151.2 million, against $106.8 million. Source
  • One-time tax charge from OBBB Act: Provision for income taxes was $224.1 million, against $134.9 million. The $34.6 million one-time deferred tax provision linked to the OBBB Act is excluded from non-GAAP net income. Source
  • Operating cash flow rose to $3.1 billion: Net cash provided by operating activities for the nine months was $3,110.0 million, against $2,677.3 million a year earlier. Source
  • Duda expanded to President and CTO: Duda's expanded role will cover cloud and AI systems engineering and business development. Source

“Our centers of data strategy is resonating well across customers and analysts because it delivers a superior client to campus to cloud/data and AI centers experience,”

Jayshree Ullal, Chairperson and CEO of Arista Networks

Guidance

AreaPeriodFigureAgainst last quarter
Revenue Sourcefourth quarter of 2025$2.3-$2.4 billionNew
Non-GAAP gross margin Sourcefourth quarter of 202562-63%New
Non-GAAP operating margin Sourcefourth quarter of 202547 -48%New

What changed from last quarter

  • New guidance: Guidance was given for the fourth quarter of 2025, a period the August release did not cover. Source
  • New: Two leadership appointments: Kenneth Duda as President and Chief Technology Officer, and Tyson Lamoreaux as Senior Vice President of Cloud and AI Networking. Source
  • New: Arista will collaborate with industry leaders on Ethernet for Scale-Up Networks (ESUN), an open OCP workstream unveiled in October 2025. Source
  • New: Arista announced AI agents for network operations, combining open standards such as MCP with EOS and NetDL data. Source

Results and growth drivers

  • Revenue rose 27.5% from last year: Revenue was $2.308 billion, up 4.7% from the second quarter and 27.5% from a year earlier. The August release had given approximately $2.25 billion for this quarter. Source
  • GAAP net income and diluted EPS: GAAP net income was $853.0 million, or $0.67 per diluted share. The income statement shows $748.0 million for the third quarter of 2024, while the reconciliation shows $747.9 million. Source
  • Non-GAAP EPS rose to $0.75: Non-GAAP diluted net income per share was $0.75, against $0.60 a year earlier. Non-GAAP net income was $962.3 million, against $769.0 million. Source
  • Fourth-quarter guidance covers non-GAAP measures: Guidance excludes stock-based compensation, intangible asset amortization and potential non-recurring charges or benefits. The company says a GAAP reconciliation is not available without unreasonable effort. Source

Products, services and strategy

  • Product and service revenue both grew: Product revenue rose about 25.5% and service revenue about 38.1% from the third quarter of 2024. Source
  • CloudVision AI observability blueprint: Arista introduced an observability blueprint for modern AI workloads. CloudVision AI is described as giving visibility from the physical network to job-level performance. Source
  • VeloCloud SD-WAN acquired from Broadcom: The August release said Arista acquired the VeloCloud SD-WAN portfolio from Broadcom, complementing its CloudEOS routing stack and 7000-series WAN routers.

“Arista is well-positioned as a strategic networking provider with continued durable execution.”

Jayshree Ullal, Chairperson and CEO of Arista Networks

Operating costs and margins

  • Operating expenses rose 36%: Total operating expenses were $512.0 million, against $376.4 million. Research and development was $326.0 million, against $235.8 million, and sales and marketing $151.2 million, against $106.8 million. Source
  • Non-GAAP operating margin was 48.6%: Non-GAAP operating margin was 48.6%, against 49.1% a year earlier and 48.8% in the second quarter. The August release had given approximately 47% for this quarter. Source
  • Stock compensation and amortization rose: Stock-based compensation was $127.9 million, against $98.1 million. Intangible asset amortization was $15.8 million, against $6.7 million. Source
  • One-time tax charge from OBBB Act: Provision for income taxes was $224.1 million, against $134.9 million. The $34.6 million one-time deferred tax provision linked to the OBBB Act is excluded from non-GAAP net income. Source

Demand and deferred revenue

  • Receivables and inventories increased: Accounts receivable were $1,489.4 million, against $1,140.5 million at December 31, 2024, and inventories were $2,155.7 million, against $1,834.6 million. Source
  • Deferred revenue inflow in cash flow: The cash flow statement shows a deferred revenue change of $1,765.7 million over nine months, against $1,001.1 million a year earlier. Source

Cash flow and capital returns

  • Operating cash flow rose to $3.1 billion: Net cash provided by operating activities for the nine months was $3,110.0 million, against $2,677.3 million a year earlier. Source
  • Buybacks reached $983.0 million: Repurchases of common stock were $983.0 million for the nine months, against $299.8 million a year earlier. Source
  • Cash and securities totaled $10.1 billion: Cash and cash equivalents were $2,326.6 million and marketable securities $7,779.6 million at September 30, 2025, together about $10.1 billion, against $8,303.5 million at December 31, 2024. Source
  • Business combination cash unchanged at $300.0 million: Cash paid for business combinations, net of cash acquired, was $300.0 million for the nine months, the same figure shown for the six months. Source

People and leadership

  • Duda expanded to President and CTO: Duda's expanded role will cover cloud and AI systems engineering and business development. Source
  • Lamoreaux brings networking experience: Lamoreaux, named Senior Vice President of Cloud and AI Networking, has over 25 years in networking and systems and has joined Duda's team. Source
  • August release named Nightingale: The August release named Todd Nightingale President and Chief Operating Officer. This release does not mention him.

Figures management reported

FigureReported
Gross margin (GAAP) Source64.6%
Gross margin (non-GAAP) Source65.2%
Product revenue Source$1,911.7 million
Service revenue Source$396.6 million

Other quarters

Summarised with AI from the documents the company filed with the SEC. Every point is checked against the filing before it is shown: management’s own words word for word, figures against the line or table row they come from. A point that fails the check is left out. Source opens the filing at that line.